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-rw-r--r--fs/dlm/dir.c2
-rw-r--r--fs/dlm/dlm_internal.h66
-rw-r--r--fs/dlm/lock.c654
-rw-r--r--fs/dlm/lockspace.c12
-rw-r--r--fs/dlm/lockspace.h1
-rw-r--r--fs/dlm/lowcomms.c12
-rw-r--r--fs/dlm/member.c11
-rw-r--r--fs/dlm/midcomms.c61
-rw-r--r--fs/dlm/plock.c178
-rw-r--r--fs/dlm/rcom.c120
-rw-r--r--fs/dlm/recover.c49
-rw-r--r--fs/dlm/requestqueue.c20
-rw-r--r--fs/dlm/user.c16
-rw-r--r--fs/dlm/util.c92
-rw-r--r--fs/dlm/util.h8
15 files changed, 633 insertions, 669 deletions
diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c
index b6692f81ec83..fb1981654bb2 100644
--- a/fs/dlm/dir.c
+++ b/fs/dlm/dir.c
@@ -101,7 +101,7 @@ int dlm_recover_directory(struct dlm_ls *ls)
*/
b = ls->ls_recover_buf->rc_buf;
- left = ls->ls_recover_buf->rc_header.h_length;
+ left = le16_to_cpu(ls->ls_recover_buf->rc_header.h_length);
left -= sizeof(struct dlm_rcom);
for (;;) {
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 74a9590a4dd5..776c3ed519f0 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -379,15 +379,15 @@ static inline int rsb_flag(struct dlm_rsb *r, enum rsb_flags flag)
#define DLM_FIN 5
struct dlm_header {
- uint32_t h_version;
+ __le32 h_version;
union {
/* for DLM_MSG and DLM_RCOM */
- uint32_t h_lockspace;
+ __le32 h_lockspace;
/* for DLM_ACK and DLM_OPTS */
- uint32_t h_seq;
+ __le32 h_seq;
} u;
- uint32_t h_nodeid; /* nodeid of sender */
- uint16_t h_length;
+ __le32 h_nodeid; /* nodeid of sender */
+ __le16 h_length;
uint8_t h_cmd; /* DLM_MSG, DLM_RCOM */
uint8_t h_pad;
};
@@ -409,24 +409,24 @@ struct dlm_header {
struct dlm_message {
struct dlm_header m_header;
- uint32_t m_type; /* DLM_MSG_ */
- uint32_t m_nodeid;
- uint32_t m_pid;
- uint32_t m_lkid; /* lkid on sender */
- uint32_t m_remid; /* lkid on receiver */
- uint32_t m_parent_lkid;
- uint32_t m_parent_remid;
- uint32_t m_exflags;
- uint32_t m_sbflags;
- uint32_t m_flags;
- uint32_t m_lvbseq;
- uint32_t m_hash;
- int m_status;
- int m_grmode;
- int m_rqmode;
- int m_bastmode;
- int m_asts;
- int m_result; /* 0 or -EXXX */
+ __le32 m_type; /* DLM_MSG_ */
+ __le32 m_nodeid;
+ __le32 m_pid;
+ __le32 m_lkid; /* lkid on sender */
+ __le32 m_remid; /* lkid on receiver */
+ __le32 m_parent_lkid;
+ __le32 m_parent_remid;
+ __le32 m_exflags;
+ __le32 m_sbflags;
+ __le32 m_flags;
+ __le32 m_lvbseq;
+ __le32 m_hash;
+ __le32 m_status;
+ __le32 m_grmode;
+ __le32 m_rqmode;
+ __le32 m_bastmode;
+ __le32 m_asts;
+ __le32 m_result; /* 0 or -EXXX */
char m_extra[]; /* name or lvb */
};
@@ -451,18 +451,18 @@ struct dlm_message {
struct dlm_rcom {
struct dlm_header rc_header;
- uint32_t rc_type; /* DLM_RCOM_ */
- int rc_result; /* multi-purpose */
- uint64_t rc_id; /* match reply with request */
- uint64_t rc_seq; /* sender's ls_recover_seq */
- uint64_t rc_seq_reply; /* remote ls_recover_seq */
+ __le32 rc_type; /* DLM_RCOM_ */
+ __le32 rc_result; /* multi-purpose */
+ __le64 rc_id; /* match reply with request */
+ __le64 rc_seq; /* sender's ls_recover_seq */
+ __le64 rc_seq_reply; /* remote ls_recover_seq */
char rc_buf[];
};
struct dlm_opt_header {
- uint16_t t_type;
- uint16_t t_length;
- uint32_t t_pad;
+ __le16 t_type;
+ __le16 t_length;
+ __le32 t_pad;
/* need to be 8 byte aligned */
char t_value[];
};
@@ -472,8 +472,8 @@ struct dlm_opts {
struct dlm_header o_header;
uint8_t o_nextcmd;
uint8_t o_pad;
- uint16_t o_optlen;
- uint32_t o_pad2;
+ __le16 o_optlen;
+ __le32 o_pad2;
char o_opts[];
};
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index bdb51d209ba2..226822f49d30 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -350,10 +350,12 @@ static void put_rsb(struct dlm_rsb *r)
{
struct dlm_ls *ls = r->res_ls;
uint32_t bucket = r->res_bucket;
+ int rv;
- spin_lock(&ls->ls_rsbtbl[bucket].lock);
- kref_put(&r->res_ref, toss_rsb);
- spin_unlock(&ls->ls_rsbtbl[bucket].lock);
+ rv = kref_put_lock(&r->res_ref, toss_rsb,
+ &ls->ls_rsbtbl[bucket].lock);
+ if (rv)
+ spin_unlock(&ls->ls_rsbtbl[bucket].lock);
}
void dlm_put_rsb(struct dlm_rsb *r)
@@ -602,7 +604,6 @@ static int find_rsb_dir(struct dlm_ls *ls, char *name, int len,
*/
kref_get(&r->res_ref);
- error = 0;
goto out_unlock;
@@ -880,6 +881,88 @@ static int validate_master_nodeid(struct dlm_ls *ls, struct dlm_rsb *r,
}
}
+static void __dlm_master_lookup(struct dlm_ls *ls, struct dlm_rsb *r, int our_nodeid,
+ int from_nodeid, bool toss_list, unsigned int flags,
+ int *r_nodeid, int *result)
+{
+ int fix_master = (flags & DLM_LU_RECOVER_MASTER);
+ int from_master = (flags & DLM_LU_RECOVER_DIR);
+
+ if (r->res_dir_nodeid != our_nodeid) {
+ /* should not happen, but may as well fix it and carry on */
+ log_error(ls, "%s res_dir %d our %d %s", __func__,
+ r->res_dir_nodeid, our_nodeid, r->res_name);
+ r->res_dir_nodeid = our_nodeid;
+ }
+
+ if (fix_master && dlm_is_removed(ls, r->res_master_nodeid)) {
+ /* Recovery uses this function to set a new master when
+ * the previous master failed. Setting NEW_MASTER will
+ * force dlm_recover_masters to call recover_master on this
+ * rsb even though the res_nodeid is no longer removed.
+ */
+
+ r->res_master_nodeid = from_nodeid;
+ r->res_nodeid = from_nodeid;
+ rsb_set_flag(r, RSB_NEW_MASTER);
+
+ if (toss_list) {
+ /* I don't think we should ever find it on toss list. */
+ log_error(ls, "%s fix_master on toss", __func__);
+ dlm_dump_rsb(r);
+ }
+ }
+
+ if (from_master && (r->res_master_nodeid != from_nodeid)) {
+ /* this will happen if from_nodeid became master during
+ * a previous recovery cycle, and we aborted the previous
+ * cycle before recovering this master value
+ */
+
+ log_limit(ls, "%s from_master %d master_nodeid %d res_nodeid %d first %x %s",
+ __func__, from_nodeid, r->res_master_nodeid,
+ r->res_nodeid, r->res_first_lkid, r->res_name);
+
+ if (r->res_master_nodeid == our_nodeid) {
+ log_error(ls, "from_master %d our_master", from_nodeid);
+ dlm_dump_rsb(r);
+ goto ret_assign;
+ }
+
+ r->res_master_nodeid = from_nodeid;
+ r->res_nodeid = from_nodeid;
+ rsb_set_flag(r, RSB_NEW_MASTER);
+ }
+
+ if (!r->res_master_nodeid) {
+ /* this will happen if recovery happens while we're looking
+ * up the master for this rsb
+ */
+
+ log_debug(ls, "%s master 0 to %d first %x %s", __func__,
+ from_nodeid, r->res_first_lkid, r->res_name);
+ r->res_master_nodeid = from_nodeid;
+ r->res_nodeid = from_nodeid;
+ }
+
+ if (!from_master && !fix_master &&
+ (r->res_master_nodeid == from_nodeid)) {
+ /* this can happen when the master sends remove, the dir node
+ * finds the rsb on the keep list and ignores the remove,
+ * and the former master sends a lookup
+ */
+
+ log_limit(ls, "%s from master %d flags %x first %x %s",
+ __func__, from_nodeid, flags, r->res_first_lkid,
+ r->res_name);
+ }
+
+ ret_assign:
+ *r_nodeid = r->res_master_nodeid;
+ if (result)
+ *result = DLM_LU_MATCH;
+}
+
/*
* We're the dir node for this res and another node wants to know the
* master nodeid. During normal operation (non recovery) this is only
@@ -914,10 +997,8 @@ int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, char *name, int len,
{
struct dlm_rsb *r = NULL;
uint32_t hash, b;
- int from_master = (flags & DLM_LU_RECOVER_DIR);
- int fix_master = (flags & DLM_LU_RECOVER_MASTER);
int our_nodeid = dlm_our_nodeid();
- int dir_nodeid, error, toss_list = 0;
+ int dir_nodeid, error;
if (len > DLM_RESNAME_MAXLEN)
return -EINVAL;
@@ -949,12 +1030,21 @@ int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, char *name, int len,
error = dlm_search_rsb_tree(&ls->ls_rsbtbl[b].keep, name, len, &r);
if (!error) {
/* because the rsb is active, we need to lock_rsb before
- checking/changing re_master_nodeid */
+ * checking/changing re_master_nodeid
+ */
hold_rsb(r);
spin_unlock(&ls->ls_rsbtbl[b].lock);
lock_rsb(r);
- goto found;
+
+ __dlm_master_lookup(ls, r, our_nodeid, from_nodeid, false,
+ flags, r_nodeid, result);
+
+ /* the rsb was active */
+ unlock_rsb(r);
+ put_rsb(r);
+
+ return 0;
}
error = dlm_search_rsb_tree(&ls->ls_rsbtbl[b].toss, name, len, &r);
@@ -962,90 +1052,16 @@ int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, char *name, int len,
goto not_found;
/* because the rsb is inactive (on toss list), it's not refcounted
- and lock_rsb is not used, but is protected by the rsbtbl lock */
-
- toss_list = 1;
- found:
- if (r->res_dir_nodeid != our_nodeid) {
- /* should not happen, but may as well fix it and carry on */
- log_error(ls, "dlm_master_lookup res_dir %d our %d %s",
- r->res_dir_nodeid, our_nodeid, r->res_name);
- r->res_dir_nodeid = our_nodeid;
- }
-
- if (fix_master && dlm_is_removed(ls, r->res_master_nodeid)) {
- /* Recovery uses this function to set a new master when
- the previous master failed. Setting NEW_MASTER will
- force dlm_recover_masters to call recover_master on this
- rsb even though the res_nodeid is no longer removed. */
-
- r->res_master_nodeid = from_nodeid;
- r->res_nodeid = from_nodeid;
- rsb_set_flag(r, RSB_NEW_MASTER);
-
- if (toss_list) {
- /* I don't think we should ever find it on toss list. */
- log_error(ls, "dlm_master_lookup fix_master on toss");
- dlm_dump_rsb(r);
- }
- }
-
- if (from_master && (r->res_master_nodeid != from_nodeid)) {
- /* this will happen if from_nodeid became master during
- a previous recovery cycle, and we aborted the previous
- cycle before recovering this master value */
-
- log_limit(ls, "dlm_master_lookup from_master %d "
- "master_nodeid %d res_nodeid %d first %x %s",
- from_nodeid, r->res_master_nodeid, r->res_nodeid,
- r->res_first_lkid, r->res_name);
-
- if (r->res_master_nodeid == our_nodeid) {
- log_error(ls, "from_master %d our_master", from_nodeid);
- dlm_dump_rsb(r);
- goto out_found;
- }
-
- r->res_master_nodeid = from_nodeid;
- r->res_nodeid = from_nodeid;
- rsb_set_flag(r, RSB_NEW_MASTER);
- }
-
- if (!r->res_master_nodeid) {
- /* this will happen if recovery happens while we're looking
- up the master for this rsb */
-
- log_debug(ls, "dlm_master_lookup master 0 to %d first %x %s",
- from_nodeid, r->res_first_lkid, r->res_name);
- r->res_master_nodeid = from_nodeid;
- r->res_nodeid = from_nodeid;
- }
-
- if (!from_master && !fix_master &&
- (r->res_master_nodeid == from_nodeid)) {
- /* this can happen when the master sends remove, the dir node
- finds the rsb on the keep list and ignores the remove,
- and the former master sends a lookup */
+ * and lock_rsb is not used, but is protected by the rsbtbl lock
+ */
- log_limit(ls, "dlm_master_lookup from master %d flags %x "
- "first %x %s", from_nodeid, flags,
- r->res_first_lkid, r->res_name);
- }
+ __dlm_master_lookup(ls, r, our_nodeid, from_nodeid, true, flags,
+ r_nodeid, result);
- out_found:
- *r_nodeid = r->res_master_nodeid;
- if (result)
- *result = DLM_LU_MATCH;
+ r->res_toss_time = jiffies;
+ /* the rsb was inactive (on toss list) */
+ spin_unlock(&ls->ls_rsbtbl[b].lock);
- if (toss_list) {
- r->res_toss_time = jiffies;
- /* the rsb was inactive (on toss list) */
- spin_unlock(&ls->ls_rsbtbl[b].lock);
- } else {
- /* the rsb was active */
- unlock_rsb(r);
- put_rsb(r);
- }
return 0;
not_found:
@@ -1076,7 +1092,6 @@ int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, char *name, int len,
if (result)
*result = DLM_LU_ADD;
*r_nodeid = from_nodeid;
- error = 0;
out_unlock:
spin_unlock(&ls->ls_rsbtbl[b].lock);
return error;
@@ -1253,9 +1268,11 @@ static void kill_lkb(struct kref *kref)
static int __put_lkb(struct dlm_ls *ls, struct dlm_lkb *lkb)
{
uint32_t lkid = lkb->lkb_id;
+ int rv;
- spin_lock(&ls->ls_lkbidr_spin);
- if (kref_put(&lkb->lkb_ref, kill_lkb)) {
+ rv = kref_put_lock(&lkb->lkb_ref, kill_lkb,
+ &ls->ls_lkbidr_spin);
+ if (rv) {
idr_remove(&ls->ls_lkbidr, lkid);
spin_unlock(&ls->ls_lkbidr_spin);
@@ -1265,11 +1282,9 @@ static int __put_lkb(struct dlm_ls *ls, struct dlm_lkb *lkb)
if (lkb->lkb_lvbptr && is_master_copy(lkb))
dlm_free_lvb(lkb->lkb_lvbptr);
dlm_free_lkb(lkb);
- return 1;
- } else {
- spin_unlock(&ls->ls_lkbidr_spin);
- return 0;
}
+
+ return rv;
}
int dlm_put_lkb(struct dlm_lkb *lkb)
@@ -1306,13 +1321,17 @@ static inline void unhold_lkb(struct dlm_lkb *lkb)
static void lkb_add_ordered(struct list_head *new, struct list_head *head,
int mode)
{
- struct dlm_lkb *lkb = NULL;
+ struct dlm_lkb *lkb = NULL, *iter;
- list_for_each_entry(lkb, head, lkb_statequeue)
- if (lkb->lkb_rqmode < mode)
+ list_for_each_entry(iter, head, lkb_statequeue)
+ if (iter->lkb_rqmode < mode) {
+ lkb = iter;
+ list_add_tail(new, &iter->lkb_statequeue);
break;
+ }
- __list_add(new, lkb->lkb_statequeue.prev, &lkb->lkb_statequeue);
+ if (!lkb)
+ list_add_tail(new, head);
}
/* add/remove lkb to rsb's grant/convert/wait queue */
@@ -1559,6 +1578,7 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
lkb->lkb_wait_type = 0;
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_CANCEL;
lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
goto out_del;
}
@@ -1571,8 +1591,8 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
}
log_error(ls, "remwait error %x remote %d %x msg %d flags %x no wait",
- lkb->lkb_id, ms ? ms->m_header.h_nodeid : 0, lkb->lkb_remid,
- mstype, lkb->lkb_flags);
+ lkb->lkb_id, ms ? le32_to_cpu(ms->m_header.h_nodeid) : 0,
+ lkb->lkb_remid, mstype, lkb->lkb_flags);
return -1;
out_del:
@@ -1585,6 +1605,7 @@ static int _remove_from_waiters(struct dlm_lkb *lkb, int mstype,
log_error(ls, "remwait error %x reply %d wait_type %d overlap",
lkb->lkb_id, mstype, lkb->lkb_wait_type);
lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
lkb->lkb_wait_type = 0;
}
@@ -1617,10 +1638,10 @@ static int remove_from_waiters_ms(struct dlm_lkb *lkb, struct dlm_message *ms)
struct dlm_ls *ls = lkb->lkb_resource->res_ls;
int error;
- if (ms->m_flags != DLM_IFL_STUB_MS)
+ if (ms->m_flags != cpu_to_le32(DLM_IFL_STUB_MS))
mutex_lock(&ls->ls_waiters_mutex);
- error = _remove_from_waiters(lkb, ms->m_type, ms);
- if (ms->m_flags != DLM_IFL_STUB_MS)
+ error = _remove_from_waiters(lkb, le32_to_cpu(ms->m_type), ms);
+ if (ms->m_flags != cpu_to_le32(DLM_IFL_STUB_MS))
mutex_unlock(&ls->ls_waiters_mutex);
return error;
}
@@ -1795,7 +1816,6 @@ static void shrink_bucket(struct dlm_ls *ls, int b)
memcpy(ls->ls_remove_name, name, DLM_RESNAME_MAXLEN);
spin_unlock(&ls->ls_remove_spin);
spin_unlock(&ls->ls_rsbtbl[b].lock);
- wake_up(&ls->ls_remove_wait);
send_remove(r);
@@ -1804,6 +1824,7 @@ static void shrink_bucket(struct dlm_ls *ls, int b)
ls->ls_remove_len = 0;
memset(ls->ls_remove_name, 0, DLM_RESNAME_MAXLEN);
spin_unlock(&ls->ls_remove_spin);
+ wake_up(&ls->ls_remove_wait);
dlm_free_rsb(r);
}
@@ -1866,7 +1887,7 @@ static void del_timeout(struct dlm_lkb *lkb)
void dlm_scan_timeout(struct dlm_ls *ls)
{
struct dlm_rsb *r;
- struct dlm_lkb *lkb;
+ struct dlm_lkb *lkb = NULL, *iter;
int do_cancel, do_warn;
s64 wait_us;
@@ -1877,27 +1898,28 @@ void dlm_scan_timeout(struct dlm_ls *ls)
do_cancel = 0;
do_warn = 0;
mutex_lock(&ls->ls_timeout_mutex);
- list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) {
+ list_for_each_entry(iter, &ls->ls_timeout, lkb_time_list) {
wait_us = ktime_to_us(ktime_sub(ktime_get(),
- lkb->lkb_timestamp));
+ iter->lkb_timestamp));
- if ((lkb->lkb_exflags & DLM_LKF_TIMEOUT) &&
- wait_us >= (lkb->lkb_timeout_cs * 10000))
+ if ((iter->lkb_exflags & DLM_LKF_TIMEOUT) &&
+ wait_us >= (iter->lkb_timeout_cs * 10000))
do_cancel = 1;
- if ((lkb->lkb_flags & DLM_IFL_WATCH_TIMEWARN) &&
+ if ((iter->lkb_flags & DLM_IFL_WATCH_TIMEWARN) &&
wait_us >= dlm_config.ci_timewarn_cs * 10000)
do_warn = 1;
if (!do_cancel && !do_warn)
continue;
- hold_lkb(lkb);
+ hold_lkb(iter);
+ lkb = iter;
break;
}
mutex_unlock(&ls->ls_timeout_mutex);
- if (!do_cancel && !do_warn)
+ if (!lkb)
break;
r = lkb->lkb_resource;
@@ -2051,7 +2073,7 @@ static void set_lvb_lock_pc(struct dlm_rsb *r, struct dlm_lkb *lkb,
if (len > r->res_ls->ls_lvblen)
len = r->res_ls->ls_lvblen;
memcpy(lkb->lkb_lvbptr, ms->m_extra, len);
- lkb->lkb_lvbseq = ms->m_lvbseq;
+ lkb->lkb_lvbseq = le32_to_cpu(ms->m_lvbseq);
}
}
@@ -2182,10 +2204,10 @@ static void munge_demoted(struct dlm_lkb *lkb)
static void munge_altmode(struct dlm_lkb *lkb, struct dlm_message *ms)
{
- if (ms->m_type != DLM_MSG_REQUEST_REPLY &&
- ms->m_type != DLM_MSG_GRANT) {
+ if (ms->m_type != cpu_to_le32(DLM_MSG_REQUEST_REPLY) &&
+ ms->m_type != cpu_to_le32(DLM_MSG_GRANT)) {
log_print("munge_altmode %x invalid reply type %d",
- lkb->lkb_id, ms->m_type);
+ lkb->lkb_id, le32_to_cpu(ms->m_type));
return;
}
@@ -2912,7 +2934,8 @@ static int validate_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
if (lkb->lkb_status != DLM_LKSTS_GRANTED)
goto out;
- if (lkb->lkb_wait_type)
+ /* lock not allowed if there's any op in progress */
+ if (lkb->lkb_wait_type || lkb->lkb_wait_count)
goto out;
if (is_overlap(lkb))
@@ -3563,13 +3586,13 @@ static int _create_message(struct dlm_ls *ls, int mb_len,
ms = (struct dlm_message *) mb;
- ms->m_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
- ms->m_header.u.h_lockspace = ls->ls_global_id;
- ms->m_header.h_nodeid = dlm_our_nodeid();
- ms->m_header.h_length = mb_len;
+ ms->m_header.h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ ms->m_header.u.h_lockspace = cpu_to_le32(ls->ls_global_id);
+ ms->m_header.h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ ms->m_header.h_length = cpu_to_le16(mb_len);
ms->m_header.h_cmd = DLM_MSG;
- ms->m_type = mstype;
+ ms->m_type = cpu_to_le32(mstype);
*mh_ret = mh;
*ms_ret = ms;
@@ -3608,7 +3631,6 @@ static int create_message(struct dlm_rsb *r, struct dlm_lkb *lkb,
static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms)
{
- dlm_message_out(ms);
dlm_midcomms_commit_mhandle(mh);
return 0;
}
@@ -3616,40 +3638,40 @@ static int send_message(struct dlm_mhandle *mh, struct dlm_message *ms)
static void send_args(struct dlm_rsb *r, struct dlm_lkb *lkb,
struct dlm_message *ms)
{
- ms->m_nodeid = lkb->lkb_nodeid;
- ms->m_pid = lkb->lkb_ownpid;
- ms->m_lkid = lkb->lkb_id;
- ms->m_remid = lkb->lkb_remid;
- ms->m_exflags = lkb->lkb_exflags;
- ms->m_sbflags = lkb->lkb_sbflags;
- ms->m_flags = lkb->lkb_flags;
- ms->m_lvbseq = lkb->lkb_lvbseq;
- ms->m_status = lkb->lkb_status;
- ms->m_grmode = lkb->lkb_grmode;
- ms->m_rqmode = lkb->lkb_rqmode;
- ms->m_hash = r->res_hash;
+ ms->m_nodeid = cpu_to_le32(lkb->lkb_nodeid);
+ ms->m_pid = cpu_to_le32(lkb->lkb_ownpid);
+ ms->m_lkid = cpu_to_le32(lkb->lkb_id);
+ ms->m_remid = cpu_to_le32(lkb->lkb_remid);
+ ms->m_exflags = cpu_to_le32(lkb->lkb_exflags);
+ ms->m_sbflags = cpu_to_le32(lkb->lkb_sbflags);
+ ms->m_flags = cpu_to_le32(lkb->lkb_flags);
+ ms->m_lvbseq = cpu_to_le32(lkb->lkb_lvbseq);
+ ms->m_status = cpu_to_le32(lkb->lkb_status);
+ ms->m_grmode = cpu_to_le32(lkb->lkb_grmode);
+ ms->m_rqmode = cpu_to_le32(lkb->lkb_rqmode);
+ ms->m_hash = cpu_to_le32(r->res_hash);
/* m_result and m_bastmode are set from function args,
not from lkb fields */
if (lkb->lkb_bastfn)
- ms->m_asts |= DLM_CB_BAST;
+ ms->m_asts |= cpu_to_le32(DLM_CB_BAST);
if (lkb->lkb_astfn)
- ms->m_asts |= DLM_CB_CAST;
+ ms->m_asts |= cpu_to_le32(DLM_CB_CAST);
/* compare with switch in create_message; send_remove() doesn't
use send_args() */
switch (ms->m_type) {
- case DLM_MSG_REQUEST:
- case DLM_MSG_LOOKUP:
+ case cpu_to_le32(DLM_MSG_REQUEST):
+ case cpu_to_le32(DLM_MSG_LOOKUP):
memcpy(ms->m_extra, r->res_name, r->res_length);
break;
- case DLM_MSG_CONVERT:
- case DLM_MSG_UNLOCK:
- case DLM_MSG_REQUEST_REPLY:
- case DLM_MSG_CONVERT_REPLY:
- case DLM_MSG_GRANT:
+ case cpu_to_le32(DLM_MSG_CONVERT):
+ case cpu_to_le32(DLM_MSG_UNLOCK):
+ case cpu_to_le32(DLM_MSG_REQUEST_REPLY):
+ case cpu_to_le32(DLM_MSG_CONVERT_REPLY):
+ case cpu_to_le32(DLM_MSG_GRANT):
if (!lkb->lkb_lvbptr)
break;
memcpy(ms->m_extra, lkb->lkb_lvbptr, r->res_ls->ls_lvblen);
@@ -3699,8 +3721,8 @@ static int send_convert(struct dlm_rsb *r, struct dlm_lkb *lkb)
/* down conversions go without a reply from the master */
if (!error && down_conversion(lkb)) {
remove_from_waiters(lkb, DLM_MSG_CONVERT_REPLY);
- r->res_ls->ls_stub_ms.m_flags = DLM_IFL_STUB_MS;
- r->res_ls->ls_stub_ms.m_type = DLM_MSG_CONVERT_REPLY;
+ r->res_ls->ls_stub_ms.m_flags = cpu_to_le32(DLM_IFL_STUB_MS);
+ r->res_ls->ls_stub_ms.m_type = cpu_to_le32(DLM_MSG_CONVERT_REPLY);
r->res_ls->ls_stub_ms.m_result = 0;
__receive_convert_reply(r, lkb, &r->res_ls->ls_stub_ms);
}
@@ -3757,7 +3779,7 @@ static int send_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int mode)
send_args(r, lkb, ms);
- ms->m_bastmode = mode;
+ ms->m_bastmode = cpu_to_le32(mode);
error = send_message(mh, ms);
out:
@@ -3805,7 +3827,7 @@ static int send_remove(struct dlm_rsb *r)
goto out;
memcpy(ms->m_extra, r->res_name, r->res_length);
- ms->m_hash = r->res_hash;
+ ms->m_hash = cpu_to_le32(r->res_hash);
error = send_message(mh, ms);
out:
@@ -3827,7 +3849,7 @@ static int send_common_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
send_args(r, lkb, ms);
- ms->m_result = rv;
+ ms->m_result = cpu_to_le32(to_dlm_errno(rv));
error = send_message(mh, ms);
out:
@@ -3860,15 +3882,15 @@ static int send_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms_in,
struct dlm_rsb *r = &ls->ls_stub_rsb;
struct dlm_message *ms;
struct dlm_mhandle *mh;
- int error, nodeid = ms_in->m_header.h_nodeid;
+ int error, nodeid = le32_to_cpu(ms_in->m_header.h_nodeid);
error = create_message(r, NULL, nodeid, DLM_MSG_LOOKUP_REPLY, &ms, &mh);
if (error)
goto out;
ms->m_lkid = ms_in->m_lkid;
- ms->m_result = rv;
- ms->m_nodeid = ret_nodeid;
+ ms->m_result = cpu_to_le32(to_dlm_errno(rv));
+ ms->m_nodeid = cpu_to_le32(ret_nodeid);
error = send_message(mh, ms);
out:
@@ -3881,25 +3903,26 @@ static int send_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms_in,
static void receive_flags(struct dlm_lkb *lkb, struct dlm_message *ms)
{
- lkb->lkb_exflags = ms->m_exflags;
- lkb->lkb_sbflags = ms->m_sbflags;
+ lkb->lkb_exflags = le32_to_cpu(ms->m_exflags);
+ lkb->lkb_sbflags = le32_to_cpu(ms->m_sbflags);
lkb->lkb_flags = (lkb->lkb_flags & 0xFFFF0000) |
- (ms->m_flags & 0x0000FFFF);
+ (le32_to_cpu(ms->m_flags) & 0x0000FFFF);
}
static void receive_flags_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
{
- if (ms->m_flags == DLM_IFL_STUB_MS)
+ if (ms->m_flags == cpu_to_le32(DLM_IFL_STUB_MS))
return;
- lkb->lkb_sbflags = ms->m_sbflags;
+ lkb->lkb_sbflags = le32_to_cpu(ms->m_sbflags);
lkb->lkb_flags = (lkb->lkb_flags & 0xFFFF0000) |
- (ms->m_flags & 0x0000FFFF);
+ (le32_to_cpu(ms->m_flags) & 0x0000FFFF);
}
static int receive_extralen(struct dlm_message *ms)
{
- return (ms->m_header.h_length - sizeof(struct dlm_message));
+ return (le16_to_cpu(ms->m_header.h_length) -
+ sizeof(struct dlm_message));
}
static int receive_lvb(struct dlm_ls *ls, struct dlm_lkb *lkb,
@@ -3933,14 +3956,14 @@ static void fake_astfn(void *astparam)
static int receive_request_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
struct dlm_message *ms)
{
- lkb->lkb_nodeid = ms->m_header.h_nodeid;
- lkb->lkb_ownpid = ms->m_pid;
- lkb->lkb_remid = ms->m_lkid;
+ lkb->lkb_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
+ lkb->lkb_ownpid = le32_to_cpu(ms->m_pid);
+ lkb->lkb_remid = le32_to_cpu(ms->m_lkid);
lkb->lkb_grmode = DLM_LOCK_IV;
- lkb->lkb_rqmode = ms->m_rqmode;
+ lkb->lkb_rqmode = le32_to_cpu(ms->m_rqmode);
- lkb->lkb_bastfn = (ms->m_asts & DLM_CB_BAST) ? &fake_bastfn : NULL;
- lkb->lkb_astfn = (ms->m_asts & DLM_CB_CAST) ? &fake_astfn : NULL;
+ lkb->lkb_bastfn = (ms->m_asts & cpu_to_le32(DLM_CB_BAST)) ? &fake_bastfn : NULL;
+ lkb->lkb_astfn = (ms->m_asts & cpu_to_le32(DLM_CB_CAST)) ? &fake_astfn : NULL;
if (lkb->lkb_exflags & DLM_LKF_VALBLK) {
/* lkb was just created so there won't be an lvb yet */
@@ -3961,8 +3984,8 @@ static int receive_convert_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
if (receive_lvb(ls, lkb, ms))
return -ENOMEM;
- lkb->lkb_rqmode = ms->m_rqmode;
- lkb->lkb_lvbseq = ms->m_lvbseq;
+ lkb->lkb_rqmode = le32_to_cpu(ms->m_rqmode);
+ lkb->lkb_lvbseq = le32_to_cpu(ms->m_lvbseq);
return 0;
}
@@ -3981,8 +4004,8 @@ static int receive_unlock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
static void setup_stub_lkb(struct dlm_ls *ls, struct dlm_message *ms)
{
struct dlm_lkb *lkb = &ls->ls_stub_lkb;
- lkb->lkb_nodeid = ms->m_header.h_nodeid;
- lkb->lkb_remid = ms->m_lkid;
+ lkb->lkb_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
+ lkb->lkb_remid = le32_to_cpu(ms->m_lkid);
}
/* This is called after the rsb is locked so that we can safely inspect
@@ -3990,11 +4013,12 @@ static void setup_stub_lkb(struct dlm_ls *ls, struct dlm_message *ms)
static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms)
{
- int from = ms->m_header.h_nodeid;
+ int from = le32_to_cpu(ms->m_header.h_nodeid);
int error = 0;
/* currently mixing of user/kernel locks are not supported */
- if (ms->m_flags & DLM_IFL_USER && ~lkb->lkb_flags & DLM_IFL_USER) {
+ if (ms->m_flags & cpu_to_le32(DLM_IFL_USER) &&
+ ~lkb->lkb_flags & DLM_IFL_USER) {
log_error(lkb->lkb_resource->res_ls,
"got user dlm message for a kernel lock");
error = -EINVAL;
@@ -4002,23 +4026,23 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms)
}
switch (ms->m_type) {
- case DLM_MSG_CONVERT:
- case DLM_MSG_UNLOCK:
- case DLM_MSG_CANCEL:
+ case cpu_to_le32(DLM_MSG_CONVERT):
+ case cpu_to_le32(DLM_MSG_UNLOCK):
+ case cpu_to_le32(DLM_MSG_CANCEL):
if (!is_master_copy(lkb) || lkb->lkb_nodeid != from)
error = -EINVAL;
break;
- case DLM_MSG_CONVERT_REPLY:
- case DLM_MSG_UNLOCK_REPLY:
- case DLM_MSG_CANCEL_REPLY:
- case DLM_MSG_GRANT:
- case DLM_MSG_BAST:
+ case cpu_to_le32(DLM_MSG_CONVERT_REPLY):
+ case cpu_to_le32(DLM_MSG_UNLOCK_REPLY):
+ case cpu_to_le32(DLM_MSG_CANCEL_REPLY):
+ case cpu_to_le32(DLM_MSG_GRANT):
+ case cpu_to_le32(DLM_MSG_BAST):
if (!is_process_copy(lkb) || lkb->lkb_nodeid != from)
error = -EINVAL;
break;
- case DLM_MSG_REQUEST_REPLY:
+ case cpu_to_le32(DLM_MSG_REQUEST_REPLY):
if (!is_process_copy(lkb))
error = -EINVAL;
else if (lkb->lkb_nodeid != -1 && lkb->lkb_nodeid != from)
@@ -4033,8 +4057,8 @@ out:
if (error)
log_error(lkb->lkb_resource->res_ls,
"ignore invalid message %d from %d %x %x %x %d",
- ms->m_type, from, lkb->lkb_id, lkb->lkb_remid,
- lkb->lkb_flags, lkb->lkb_nodeid);
+ le32_to_cpu(ms->m_type), from, lkb->lkb_id,
+ lkb->lkb_remid, lkb->lkb_flags, lkb->lkb_nodeid);
return error;
}
@@ -4079,22 +4103,23 @@ static void send_repeat_remove(struct dlm_ls *ls, char *ms_name, int len)
memcpy(ls->ls_remove_name, name, DLM_RESNAME_MAXLEN);
spin_unlock(&ls->ls_remove_spin);
spin_unlock(&ls->ls_rsbtbl[b].lock);
- wake_up(&ls->ls_remove_wait);
rv = _create_message(ls, sizeof(struct dlm_message) + len,
dir_nodeid, DLM_MSG_REMOVE, &ms, &mh);
if (rv)
- return;
+ goto out;
memcpy(ms->m_extra, name, len);
- ms->m_hash = hash;
+ ms->m_hash = cpu_to_le32(hash);
send_message(mh, ms);
+out:
spin_lock(&ls->ls_remove_spin);
ls->ls_remove_len = 0;
memset(ls->ls_remove_name, 0, DLM_RESNAME_MAXLEN);
spin_unlock(&ls->ls_remove_spin);
+ wake_up(&ls->ls_remove_wait);
}
static int receive_request(struct dlm_ls *ls, struct dlm_message *ms)
@@ -4104,7 +4129,7 @@ static int receive_request(struct dlm_ls *ls, struct dlm_message *ms)
int from_nodeid;
int error, namelen = 0;
- from_nodeid = ms->m_header.h_nodeid;
+ from_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
error = create_lkb(ls, &lkb);
if (error)
@@ -4177,7 +4202,7 @@ static int receive_request(struct dlm_ls *ls, struct dlm_message *ms)
if (error != -ENOTBLK) {
log_limit(ls, "receive_request %x from %d %d",
- ms->m_lkid, from_nodeid, error);
+ le32_to_cpu(ms->m_lkid), from_nodeid, error);
}
if (namelen && error == -EBADR) {
@@ -4196,15 +4221,16 @@ static int receive_convert(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_rsb *r;
int error, reply = 1;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
goto fail;
- if (lkb->lkb_remid != ms->m_lkid) {
+ if (lkb->lkb_remid != le32_to_cpu(ms->m_lkid)) {
log_error(ls, "receive_convert %x remid %x recover_seq %llu "
"remote %d %x", lkb->lkb_id, lkb->lkb_remid,
(unsigned long long)lkb->lkb_recover_seq,
- ms->m_header.h_nodeid, ms->m_lkid);
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid));
error = -ENOENT;
dlm_put_lkb(lkb);
goto fail;
@@ -4251,14 +4277,15 @@ static int receive_unlock(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_rsb *r;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
goto fail;
- if (lkb->lkb_remid != ms->m_lkid) {
+ if (lkb->lkb_remid != le32_to_cpu(ms->m_lkid)) {
log_error(ls, "receive_unlock %x remid %x remote %d %x",
lkb->lkb_id, lkb->lkb_remid,
- ms->m_header.h_nodeid, ms->m_lkid);
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid));
error = -ENOENT;
dlm_put_lkb(lkb);
goto fail;
@@ -4302,7 +4329,7 @@ static int receive_cancel(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_rsb *r;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
goto fail;
@@ -4338,7 +4365,7 @@ static int receive_grant(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_rsb *r;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4369,7 +4396,7 @@ static int receive_bast(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_rsb *r;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4382,8 +4409,8 @@ static int receive_bast(struct dlm_ls *ls, struct dlm_message *ms)
if (error)
goto out;
- queue_bast(r, lkb, ms->m_bastmode);
- lkb->lkb_highbast = ms->m_bastmode;
+ queue_bast(r, lkb, le32_to_cpu(ms->m_bastmode));
+ lkb->lkb_highbast = le32_to_cpu(ms->m_bastmode);
out:
unlock_rsb(r);
put_rsb(r);
@@ -4395,7 +4422,7 @@ static void receive_lookup(struct dlm_ls *ls, struct dlm_message *ms)
{
int len, error, ret_nodeid, from_nodeid, our_nodeid;
- from_nodeid = ms->m_header.h_nodeid;
+ from_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
our_nodeid = dlm_our_nodeid();
len = receive_extralen(ms);
@@ -4418,7 +4445,7 @@ static void receive_remove(struct dlm_ls *ls, struct dlm_message *ms)
uint32_t hash, b;
int rv, len, dir_nodeid, from_nodeid;
- from_nodeid = ms->m_header.h_nodeid;
+ from_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
len = receive_extralen(ms);
@@ -4428,7 +4455,7 @@ static void receive_remove(struct dlm_ls *ls, struct dlm_message *ms)
return;
}
- dir_nodeid = dlm_hash2nodeid(ls, ms->m_hash);
+ dir_nodeid = dlm_hash2nodeid(ls, le32_to_cpu(ms->m_hash));
if (dir_nodeid != dlm_our_nodeid()) {
log_error(ls, "receive_remove from %d bad nodeid %d",
from_nodeid, dir_nodeid);
@@ -4501,7 +4528,7 @@ static void receive_remove(struct dlm_ls *ls, struct dlm_message *ms)
static void receive_purge(struct dlm_ls *ls, struct dlm_message *ms)
{
- do_purge(ls, ms->m_nodeid, ms->m_pid);
+ do_purge(ls, le32_to_cpu(ms->m_nodeid), le32_to_cpu(ms->m_pid));
}
static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
@@ -4509,9 +4536,9 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_lkb *lkb;
struct dlm_rsb *r;
int error, mstype, result;
- int from_nodeid = ms->m_header.h_nodeid;
+ int from_nodeid = le32_to_cpu(ms->m_header.h_nodeid);
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4527,7 +4554,8 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
error = remove_from_waiters(lkb, DLM_MSG_REQUEST_REPLY);
if (error) {
log_error(ls, "receive_request_reply %x remote %d %x result %d",
- lkb->lkb_id, from_nodeid, ms->m_lkid, ms->m_result);
+ lkb->lkb_id, from_nodeid, le32_to_cpu(ms->m_lkid),
+ from_dlm_errno(le32_to_cpu(ms->m_result)));
dlm_dump_rsb(r);
goto out;
}
@@ -4541,7 +4569,7 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
}
/* this is the value returned from do_request() on the master */
- result = ms->m_result;
+ result = from_dlm_errno(le32_to_cpu(ms->m_result));
switch (result) {
case -EAGAIN:
@@ -4555,7 +4583,7 @@ static int receive_request_reply(struct dlm_ls *ls, struct dlm_message *ms)
case 0:
/* request was queued or granted on remote master */
receive_flags_reply(lkb, ms);
- lkb->lkb_remid = ms->m_lkid;
+ lkb->lkb_remid = le32_to_cpu(ms->m_lkid);
if (is_altmode(lkb))
munge_altmode(lkb, ms);
if (result) {
@@ -4628,7 +4656,7 @@ static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
struct dlm_message *ms)
{
/* this is the value returned from do_convert() on the master */
- switch (ms->m_result) {
+ switch (from_dlm_errno(le32_to_cpu(ms->m_result))) {
case -EAGAIN:
/* convert would block (be queued) on remote master */
queue_cast(r, lkb, -EAGAIN);
@@ -4661,8 +4689,9 @@ static void __receive_convert_reply(struct dlm_rsb *r, struct dlm_lkb *lkb,
default:
log_error(r->res_ls, "receive_convert_reply %x remote %d %x %d",
- lkb->lkb_id, ms->m_header.h_nodeid, ms->m_lkid,
- ms->m_result);
+ lkb->lkb_id, le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid),
+ from_dlm_errno(le32_to_cpu(ms->m_result)));
dlm_print_rsb(r);
dlm_print_lkb(lkb);
}
@@ -4696,7 +4725,7 @@ static int receive_convert_reply(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_lkb *lkb;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4724,7 +4753,7 @@ static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
/* this is the value returned from do_unlock() on the master */
- switch (ms->m_result) {
+ switch (from_dlm_errno(le32_to_cpu(ms->m_result))) {
case -DLM_EUNLOCK:
receive_flags_reply(lkb, ms);
remove_lock_pc(r, lkb);
@@ -4734,7 +4763,7 @@ static void _receive_unlock_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
break;
default:
log_error(r->res_ls, "receive_unlock_reply %x error %d",
- lkb->lkb_id, ms->m_result);
+ lkb->lkb_id, from_dlm_errno(le32_to_cpu(ms->m_result)));
}
out:
unlock_rsb(r);
@@ -4746,7 +4775,7 @@ static int receive_unlock_reply(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_lkb *lkb;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4774,7 +4803,7 @@ static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
/* this is the value returned from do_cancel() on the master */
- switch (ms->m_result) {
+ switch (from_dlm_errno(le32_to_cpu(ms->m_result))) {
case -DLM_ECANCEL:
receive_flags_reply(lkb, ms);
revert_lock_pc(r, lkb);
@@ -4784,7 +4813,8 @@ static void _receive_cancel_reply(struct dlm_lkb *lkb, struct dlm_message *ms)
break;
default:
log_error(r->res_ls, "receive_cancel_reply %x error %d",
- lkb->lkb_id, ms->m_result);
+ lkb->lkb_id,
+ from_dlm_errno(le32_to_cpu(ms->m_result)));
}
out:
unlock_rsb(r);
@@ -4796,7 +4826,7 @@ static int receive_cancel_reply(struct dlm_ls *ls, struct dlm_message *ms)
struct dlm_lkb *lkb;
int error;
- error = find_lkb(ls, ms->m_remid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_remid), &lkb);
if (error)
return error;
@@ -4812,9 +4842,10 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
int error, ret_nodeid;
int do_lookup_list = 0;
- error = find_lkb(ls, ms->m_lkid, &lkb);
+ error = find_lkb(ls, le32_to_cpu(ms->m_lkid), &lkb);
if (error) {
- log_error(ls, "receive_lookup_reply no lkid %x", ms->m_lkid);
+ log_error(ls, "%s no lkid %x", __func__,
+ le32_to_cpu(ms->m_lkid));
return;
}
@@ -4829,7 +4860,7 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
if (error)
goto out;
- ret_nodeid = ms->m_nodeid;
+ ret_nodeid = le32_to_cpu(ms->m_nodeid);
/* We sometimes receive a request from the dir node for this
rsb before we've received the dir node's loookup_reply for it.
@@ -4841,8 +4872,8 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
/* This should never happen */
log_error(ls, "receive_lookup_reply %x from %d ret %d "
"master %d dir %d our %d first %x %s",
- lkb->lkb_id, ms->m_header.h_nodeid, ret_nodeid,
- r->res_master_nodeid, r->res_dir_nodeid,
+ lkb->lkb_id, le32_to_cpu(ms->m_header.h_nodeid),
+ ret_nodeid, r->res_master_nodeid, r->res_dir_nodeid,
dlm_our_nodeid(), r->res_first_lkid, r->res_name);
}
@@ -4854,7 +4885,7 @@ static void receive_lookup_reply(struct dlm_ls *ls, struct dlm_message *ms)
} else if (ret_nodeid == -1) {
/* the remote node doesn't believe it's the dir node */
log_error(ls, "receive_lookup_reply %x from %d bad ret_nodeid",
- lkb->lkb_id, ms->m_header.h_nodeid);
+ lkb->lkb_id, le32_to_cpu(ms->m_header.h_nodeid));
r->res_master_nodeid = 0;
r->res_nodeid = -1;
lkb->lkb_nodeid = -1;
@@ -4888,10 +4919,12 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms,
{
int error = 0, noent = 0;
- if (!dlm_is_member(ls, ms->m_header.h_nodeid)) {
+ if (!dlm_is_member(ls, le32_to_cpu(ms->m_header.h_nodeid))) {
log_limit(ls, "receive %d from non-member %d %x %x %d",
- ms->m_type, ms->m_header.h_nodeid, ms->m_lkid,
- ms->m_remid, ms->m_result);
+ le32_to_cpu(ms->m_type),
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid),
+ from_dlm_errno(le32_to_cpu(ms->m_result)));
return;
}
@@ -4899,77 +4932,78 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms,
/* messages sent to a master node */
- case DLM_MSG_REQUEST:
+ case cpu_to_le32(DLM_MSG_REQUEST):
error = receive_request(ls, ms);
break;
- case DLM_MSG_CONVERT:
+ case cpu_to_le32(DLM_MSG_CONVERT):
error = receive_convert(ls, ms);
break;
- case DLM_MSG_UNLOCK:
+ case cpu_to_le32(DLM_MSG_UNLOCK):
error = receive_unlock(ls, ms);
break;
- case DLM_MSG_CANCEL:
+ case cpu_to_le32(DLM_MSG_CANCEL):
noent = 1;
error = receive_cancel(ls, ms);
break;
/* messages sent from a master node (replies to above) */
- case DLM_MSG_REQUEST_REPLY:
+ case cpu_to_le32(DLM_MSG_REQUEST_REPLY):
error = receive_request_reply(ls, ms);
break;
- case DLM_MSG_CONVERT_REPLY:
+ case cpu_to_le32(DLM_MSG_CONVERT_REPLY):
error = receive_convert_reply(ls, ms);
break;
- case DLM_MSG_UNLOCK_REPLY:
+ case cpu_to_le32(DLM_MSG_UNLOCK_REPLY):
error = receive_unlock_reply(ls, ms);
break;
- case DLM_MSG_CANCEL_REPLY:
+ case cpu_to_le32(DLM_MSG_CANCEL_REPLY):
error = receive_cancel_reply(ls, ms);
break;
/* messages sent from a master node (only two types of async msg) */
- case DLM_MSG_GRANT:
+ case cpu_to_le32(DLM_MSG_GRANT):
noent = 1;
error = receive_grant(ls, ms);
break;
- case DLM_MSG_BAST:
+ case cpu_to_le32(DLM_MSG_BAST):
noent = 1;
error = receive_bast(ls, ms);
break;
/* messages sent to a dir node */
- case DLM_MSG_LOOKUP:
+ case cpu_to_le32(DLM_MSG_LOOKUP):
receive_lookup(ls, ms);
break;
- case DLM_MSG_REMOVE:
+ case cpu_to_le32(DLM_MSG_REMOVE):
receive_remove(ls, ms);
break;
/* messages sent from a dir node (remove has no reply) */
- case DLM_MSG_LOOKUP_REPLY:
+ case cpu_to_le32(DLM_MSG_LOOKUP_REPLY):
receive_lookup_reply(ls, ms);
break;
/* other messages */
- case DLM_MSG_PURGE:
+ case cpu_to_le32(DLM_MSG_PURGE):
receive_purge(ls, ms);
break;
default:
- log_error(ls, "unknown message type %d", ms->m_type);
+ log_error(ls, "unknown message type %d",
+ le32_to_cpu(ms->m_type));
}
/*
@@ -4985,22 +5019,26 @@ static void _receive_message(struct dlm_ls *ls, struct dlm_message *ms,
if (error == -ENOENT && noent) {
log_debug(ls, "receive %d no %x remote %d %x saved_seq %u",
- ms->m_type, ms->m_remid, ms->m_header.h_nodeid,
- ms->m_lkid, saved_seq);
+ le32_to_cpu(ms->m_type), le32_to_cpu(ms->m_remid),
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid), saved_seq);
} else if (error == -ENOENT) {
log_error(ls, "receive %d no %x remote %d %x saved_seq %u",
- ms->m_type, ms->m_remid, ms->m_header.h_nodeid,
- ms->m_lkid, saved_seq);
+ le32_to_cpu(ms->m_type), le32_to_cpu(ms->m_remid),
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid), saved_seq);
- if (ms->m_type == DLM_MSG_CONVERT)
- dlm_dump_rsb_hash(ls, ms->m_hash);
+ if (ms->m_type == cpu_to_le32(DLM_MSG_CONVERT))
+ dlm_dump_rsb_hash(ls, le32_to_cpu(ms->m_hash));
}
if (error == -EINVAL) {
log_error(ls, "receive %d inval from %d lkid %x remid %x "
"saved_seq %u",
- ms->m_type, ms->m_header.h_nodeid,
- ms->m_lkid, ms->m_remid, saved_seq);
+ le32_to_cpu(ms->m_type),
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid),
+ saved_seq);
}
}
@@ -5021,7 +5059,7 @@ static void dlm_receive_message(struct dlm_ls *ls, struct dlm_message *ms,
lockspace generation before we left. */
if (!ls->ls_generation) {
log_limit(ls, "receive %d from %d ignore old gen",
- ms->m_type, nodeid);
+ le32_to_cpu(ms->m_type), nodeid);
return;
}
@@ -5054,30 +5092,30 @@ void dlm_receive_buffer(union dlm_packet *p, int nodeid)
switch (hd->h_cmd) {
case DLM_MSG:
- dlm_message_in(&p->message);
- type = p->message.m_type;
+ type = le32_to_cpu(p->message.m_type);
break;
case DLM_RCOM:
- dlm_rcom_in(&p->rcom);
- type = p->rcom.rc_type;
+ type = le32_to_cpu(p->rcom.rc_type);
break;
default:
log_print("invalid h_cmd %d from %u", hd->h_cmd, nodeid);
return;
}
- if (hd->h_nodeid != nodeid) {
+ if (le32_to_cpu(hd->h_nodeid) != nodeid) {
log_print("invalid h_nodeid %d from %d lockspace %x",
- hd->h_nodeid, nodeid, hd->u.h_lockspace);
+ le32_to_cpu(hd->h_nodeid), nodeid,
+ le32_to_cpu(hd->u.h_lockspace));
return;
}
- ls = dlm_find_lockspace_global(hd->u.h_lockspace);
+ ls = dlm_find_lockspace_global(le32_to_cpu(hd->u.h_lockspace));
if (!ls) {
if (dlm_config.ci_log_debug) {
printk_ratelimited(KERN_DEBUG "dlm: invalid lockspace "
"%u from %d cmd %d type %d\n",
- hd->u.h_lockspace, nodeid, hd->h_cmd, type);
+ le32_to_cpu(hd->u.h_lockspace), nodeid,
+ hd->h_cmd, type);
}
if (hd->h_cmd == DLM_RCOM && type == DLM_RCOM_STATUS)
@@ -5104,10 +5142,10 @@ static void recover_convert_waiter(struct dlm_ls *ls, struct dlm_lkb *lkb,
if (middle_conversion(lkb)) {
hold_lkb(lkb);
memset(ms_stub, 0, sizeof(struct dlm_message));
- ms_stub->m_flags = DLM_IFL_STUB_MS;
- ms_stub->m_type = DLM_MSG_CONVERT_REPLY;
- ms_stub->m_result = -EINPROGRESS;
- ms_stub->m_header.h_nodeid = lkb->lkb_nodeid;
+ ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS);
+ ms_stub->m_type = cpu_to_le32(DLM_MSG_CONVERT_REPLY);
+ ms_stub->m_result = cpu_to_le32(to_dlm_errno(-EINPROGRESS));
+ ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid);
_receive_convert_reply(lkb, ms_stub);
/* Same special case as in receive_rcom_lock_args() */
@@ -5226,10 +5264,10 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
case DLM_MSG_UNLOCK:
hold_lkb(lkb);
memset(ms_stub, 0, sizeof(struct dlm_message));
- ms_stub->m_flags = DLM_IFL_STUB_MS;
- ms_stub->m_type = DLM_MSG_UNLOCK_REPLY;
- ms_stub->m_result = stub_unlock_result;
- ms_stub->m_header.h_nodeid = lkb->lkb_nodeid;
+ ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS);
+ ms_stub->m_type = cpu_to_le32(DLM_MSG_UNLOCK_REPLY);
+ ms_stub->m_result = cpu_to_le32(to_dlm_errno(stub_unlock_result));
+ ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid);
_receive_unlock_reply(lkb, ms_stub);
dlm_put_lkb(lkb);
break;
@@ -5237,10 +5275,10 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
case DLM_MSG_CANCEL:
hold_lkb(lkb);
memset(ms_stub, 0, sizeof(struct dlm_message));
- ms_stub->m_flags = DLM_IFL_STUB_MS;
- ms_stub->m_type = DLM_MSG_CANCEL_REPLY;
- ms_stub->m_result = stub_cancel_result;
- ms_stub->m_header.h_nodeid = lkb->lkb_nodeid;
+ ms_stub->m_flags = cpu_to_le32(DLM_IFL_STUB_MS);
+ ms_stub->m_type = cpu_to_le32(DLM_MSG_CANCEL_REPLY);
+ ms_stub->m_result = cpu_to_le32(to_dlm_errno(stub_cancel_result));
+ ms_stub->m_header.h_nodeid = cpu_to_le32(lkb->lkb_nodeid);
_receive_cancel_reply(lkb, ms_stub);
dlm_put_lkb(lkb);
break;
@@ -5257,21 +5295,18 @@ void dlm_recover_waiters_pre(struct dlm_ls *ls)
static struct dlm_lkb *find_resend_waiter(struct dlm_ls *ls)
{
- struct dlm_lkb *lkb;
- int found = 0;
+ struct dlm_lkb *lkb = NULL, *iter;
mutex_lock(&ls->ls_waiters_mutex);
- list_for_each_entry(lkb, &ls->ls_waiters, lkb_wait_reply) {
- if (lkb->lkb_flags & DLM_IFL_RESEND) {
- hold_lkb(lkb);
- found = 1;
+ list_for_each_entry(iter, &ls->ls_waiters, lkb_wait_reply) {
+ if (iter->lkb_flags & DLM_IFL_RESEND) {
+ hold_lkb(iter);
+ lkb = iter;
break;
}
}
mutex_unlock(&ls->ls_waiters_mutex);
- if (!found)
- lkb = NULL;
return lkb;
}
@@ -5331,11 +5366,16 @@ int dlm_recover_waiters_post(struct dlm_ls *ls)
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_UNLOCK;
lkb->lkb_flags &= ~DLM_IFL_OVERLAP_CANCEL;
lkb->lkb_wait_type = 0;
- lkb->lkb_wait_count = 0;
+ /* drop all wait_count references we still
+ * hold a reference for this iteration.
+ */
+ while (lkb->lkb_wait_count) {
+ lkb->lkb_wait_count--;
+ unhold_lkb(lkb);
+ }
mutex_lock(&ls->ls_waiters_mutex);
list_del_init(&lkb->lkb_wait_reply);
mutex_unlock(&ls->ls_waiters_mutex);
- unhold_lkb(lkb); /* for waiters list */
if (oc || ou) {
/* do an unlock or cancel instead of resending */
@@ -5605,7 +5645,7 @@ static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
{
struct rcom_lock *rl = (struct rcom_lock *) rc->rc_buf;
- lkb->lkb_nodeid = rc->rc_header.h_nodeid;
+ lkb->lkb_nodeid = le32_to_cpu(rc->rc_header.h_nodeid);
lkb->lkb_ownpid = le32_to_cpu(rl->rl_ownpid);
lkb->lkb_remid = le32_to_cpu(rl->rl_lkid);
lkb->lkb_exflags = le32_to_cpu(rl->rl_exflags);
@@ -5620,8 +5660,8 @@ static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
lkb->lkb_astfn = (rl->rl_asts & DLM_CB_CAST) ? &fake_astfn : NULL;
if (lkb->lkb_exflags & DLM_LKF_VALBLK) {
- int lvblen = rc->rc_header.h_length - sizeof(struct dlm_rcom) -
- sizeof(struct rcom_lock);
+ int lvblen = le16_to_cpu(rc->rc_header.h_length) -
+ sizeof(struct dlm_rcom) - sizeof(struct rcom_lock);
if (lvblen > ls->ls_lvblen)
return -EINVAL;
lkb->lkb_lvbptr = dlm_allocate_lvb(ls);
@@ -5657,7 +5697,7 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
struct dlm_rsb *r;
struct dlm_lkb *lkb;
uint32_t remid = 0;
- int from_nodeid = rc->rc_header.h_nodeid;
+ int from_nodeid = le32_to_cpu(rc->rc_header.h_nodeid);
int error;
if (rl->rl_parent_lkid) {
@@ -5707,7 +5747,6 @@ int dlm_recover_master_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
attach_lkb(r, lkb);
add_lkb(r, lkb, rl->rl_status);
- error = 0;
ls->ls_recover_locks_in++;
if (!list_empty(&r->res_waitqueue) || !list_empty(&r->res_convertqueue))
@@ -5747,7 +5786,8 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
error = find_lkb(ls, lkid, &lkb);
if (error) {
log_error(ls, "dlm_recover_process_copy no %x remote %d %x %d",
- lkid, rc->rc_header.h_nodeid, remid, result);
+ lkid, le32_to_cpu(rc->rc_header.h_nodeid), remid,
+ result);
return error;
}
@@ -5757,7 +5797,8 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
if (!is_process_copy(lkb)) {
log_error(ls, "dlm_recover_process_copy bad %x remote %d %x %d",
- lkid, rc->rc_header.h_nodeid, remid, result);
+ lkid, le32_to_cpu(rc->rc_header.h_nodeid), remid,
+ result);
dlm_dump_rsb(r);
unlock_rsb(r);
put_rsb(r);
@@ -5772,7 +5813,8 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
a barrier between recover_masters and recover_locks. */
log_debug(ls, "dlm_recover_process_copy %x remote %d %x %d",
- lkid, rc->rc_header.h_nodeid, remid, result);
+ lkid, le32_to_cpu(rc->rc_header.h_nodeid), remid,
+ result);
dlm_send_rcom_lock(r, lkb);
goto out;
@@ -5782,7 +5824,8 @@ int dlm_recover_process_copy(struct dlm_ls *ls, struct dlm_rcom *rc)
break;
default:
log_error(ls, "dlm_recover_process_copy %x remote %d %x %d unk",
- lkid, rc->rc_header.h_nodeid, remid, result);
+ lkid, le32_to_cpu(rc->rc_header.h_nodeid), remid,
+ result);
}
/* an ack for dlm_recover_locks() which waits for replies from
@@ -5925,37 +5968,36 @@ int dlm_user_adopt_orphan(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
int mode, uint32_t flags, void *name, unsigned int namelen,
unsigned long timeout_cs, uint32_t *lkid)
{
- struct dlm_lkb *lkb;
+ struct dlm_lkb *lkb = NULL, *iter;
struct dlm_user_args *ua;
int found_other_mode = 0;
- int found = 0;
int rv = 0;
mutex_lock(&ls->ls_orphans_mutex);
- list_for_each_entry(lkb, &ls->ls_orphans, lkb_ownqueue) {
- if (lkb->lkb_resource->res_length != namelen)
+ list_for_each_entry(iter, &ls->ls_orphans, lkb_ownqueue) {
+ if (iter->lkb_resource->res_length != namelen)
continue;
- if (memcmp(lkb->lkb_resource->res_name, name, namelen))
+ if (memcmp(iter->lkb_resource->res_name, name, namelen))
continue;
- if (lkb->lkb_grmode != mode) {
+ if (iter->lkb_grmode != mode) {
found_other_mode = 1;
continue;
}
- found = 1;
- list_del_init(&lkb->lkb_ownqueue);
- lkb->lkb_flags &= ~DLM_IFL_ORPHAN;
- *lkid = lkb->lkb_id;
+ lkb = iter;
+ list_del_init(&iter->lkb_ownqueue);
+ iter->lkb_flags &= ~DLM_IFL_ORPHAN;
+ *lkid = iter->lkb_id;
break;
}
mutex_unlock(&ls->ls_orphans_mutex);
- if (!found && found_other_mode) {
+ if (!lkb && found_other_mode) {
rv = -EAGAIN;
goto out;
}
- if (!found) {
+ if (!lkb) {
rv = -ENOENT;
goto out;
}
@@ -6307,8 +6349,8 @@ static int send_purge(struct dlm_ls *ls, int nodeid, int pid)
DLM_MSG_PURGE, &ms, &mh);
if (error)
return error;
- ms->m_nodeid = nodeid;
- ms->m_pid = pid;
+ ms->m_nodeid = cpu_to_le32(nodeid);
+ ms->m_pid = cpu_to_le32(pid);
return send_message(mh, ms);
}
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 0d3833a124a3..19ed41a5da93 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -922,3 +922,15 @@ void dlm_stop_lockspaces(void)
log_print("dlm user daemon left %d lockspaces", count);
}
+void dlm_stop_lockspaces_check(void)
+{
+ struct dlm_ls *ls;
+
+ spin_lock(&lslist_lock);
+ list_for_each_entry(ls, &lslist, ls_list) {
+ if (WARN_ON(!rwsem_is_locked(&ls->ls_in_recovery) ||
+ !dlm_locking_stopped(ls)))
+ break;
+ }
+ spin_unlock(&lslist_lock);
+}
diff --git a/fs/dlm/lockspace.h b/fs/dlm/lockspace.h
index a78d853b9342..306fc4f4ea15 100644
--- a/fs/dlm/lockspace.h
+++ b/fs/dlm/lockspace.h
@@ -19,6 +19,7 @@ struct dlm_ls *dlm_find_lockspace_local(void *id);
struct dlm_ls *dlm_find_lockspace_device(int minor);
void dlm_put_lockspace(struct dlm_ls *ls);
void dlm_stop_lockspaces(void);
+void dlm_stop_lockspaces_check(void);
#endif /* __LOCKSPACE_DOT_H__ */
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index e284d696c1fd..19e82f08c0e0 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1303,6 +1303,10 @@ static struct dlm_msg *dlm_lowcomms_new_msg_con(struct connection *con, int len,
return msg;
}
+/* avoid false positive for nodes_srcu, unlock happens in
+ * dlm_lowcomms_commit_msg which is a must call if success
+ */
+#ifndef __CHECKER__
struct dlm_msg *dlm_lowcomms_new_msg(int nodeid, int len, gfp_t allocation,
char **ppc, void (*cb)(void *data),
void *data)
@@ -1336,6 +1340,7 @@ struct dlm_msg *dlm_lowcomms_new_msg(int nodeid, int len, gfp_t allocation,
msg->idx = idx;
return msg;
}
+#endif
static void _dlm_lowcomms_commit_msg(struct dlm_msg *msg)
{
@@ -1362,11 +1367,16 @@ out:
return;
}
+/* avoid false positive for nodes_srcu, lock was happen in
+ * dlm_lowcomms_new_msg
+ */
+#ifndef __CHECKER__
void dlm_lowcomms_commit_msg(struct dlm_msg *msg)
{
_dlm_lowcomms_commit_msg(msg);
srcu_read_unlock(&connections_srcu, msg->idx);
}
+#endif
void dlm_lowcomms_put_msg(struct dlm_msg *msg)
{
@@ -1789,7 +1799,7 @@ static int dlm_listen_for_all(void)
SOCK_STREAM, dlm_proto_ops->proto, &sock);
if (result < 0) {
log_print("Can't create comms socket: %d", result);
- goto out;
+ return result;
}
sock_set_mark(sock->sk, dlm_config.ci_mark);
diff --git a/fs/dlm/member.c b/fs/dlm/member.c
index 61f906e705db..98084e0cfccf 100644
--- a/fs/dlm/member.c
+++ b/fs/dlm/member.c
@@ -20,7 +20,7 @@
int dlm_slots_version(struct dlm_header *h)
{
- if ((h->h_version & 0x0000FFFF) < DLM_HEADER_SLOTS)
+ if ((le32_to_cpu(h->h_version) & 0x0000FFFF) < DLM_HEADER_SLOTS)
return 0;
return 1;
}
@@ -120,18 +120,13 @@ int dlm_slots_copy_in(struct dlm_ls *ls)
ro0 = (struct rcom_slot *)(rc->rc_buf + sizeof(struct rcom_config));
- for (i = 0, ro = ro0; i < num_slots; i++, ro++) {
- ro->ro_nodeid = le32_to_cpu(ro->ro_nodeid);
- ro->ro_slot = le16_to_cpu(ro->ro_slot);
- }
-
log_slots(ls, gen, num_slots, ro0, NULL, 0);
list_for_each_entry(memb, &ls->ls_nodes, list) {
for (i = 0, ro = ro0; i < num_slots; i++, ro++) {
- if (ro->ro_nodeid != memb->nodeid)
+ if (le32_to_cpu(ro->ro_nodeid) != memb->nodeid)
continue;
- memb->slot = ro->ro_slot;
+ memb->slot = le16_to_cpu(ro->ro_slot);
memb->slot_prev = memb->slot;
break;
}
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index 3635e42b0669..6489bc22ad61 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -135,6 +135,7 @@
#include <net/tcp.h>
#include "dlm_internal.h"
+#include "lockspace.h"
#include "lowcomms.h"
#include "config.h"
#include "memory.h"
@@ -380,13 +381,12 @@ static int dlm_send_ack(int nodeid, uint32_t seq)
m_header = (struct dlm_header *)ppc;
- m_header->h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
- m_header->h_nodeid = dlm_our_nodeid();
- m_header->h_length = mb_len;
+ m_header->h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ m_header->h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ m_header->h_length = cpu_to_le16(mb_len);
m_header->h_cmd = DLM_ACK;
- m_header->u.h_seq = seq;
+ m_header->u.h_seq = cpu_to_le32(seq);
- header_out(m_header);
dlm_lowcomms_commit_msg(msg);
dlm_lowcomms_put_msg(msg);
@@ -409,13 +409,11 @@ static int dlm_send_fin(struct midcomms_node *node,
m_header = (struct dlm_header *)ppc;
- m_header->h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
- m_header->h_nodeid = dlm_our_nodeid();
- m_header->h_length = mb_len;
+ m_header->h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ m_header->h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ m_header->h_length = cpu_to_le16(mb_len);
m_header->h_cmd = DLM_FIN;
- header_out(m_header);
-
pr_debug("sending fin msg to node %d\n", node->nodeid);
dlm_midcomms_commit_mhandle(mh);
set_bit(DLM_NODE_FLAG_STOP_TX, &node->flags);
@@ -574,14 +572,14 @@ dlm_midcomms_recv_node_lookup(int nodeid, const union dlm_packet *p,
return NULL;
}
- switch (le32_to_cpu(p->rcom.rc_type)) {
- case DLM_RCOM_NAMES:
+ switch (p->rcom.rc_type) {
+ case cpu_to_le32(DLM_RCOM_NAMES):
fallthrough;
- case DLM_RCOM_NAMES_REPLY:
+ case cpu_to_le32(DLM_RCOM_NAMES_REPLY):
fallthrough;
- case DLM_RCOM_STATUS:
+ case cpu_to_le32(DLM_RCOM_STATUS):
fallthrough;
- case DLM_RCOM_STATUS_REPLY:
+ case cpu_to_le32(DLM_RCOM_STATUS_REPLY):
node = nodeid2node(nodeid, 0);
if (node) {
spin_lock(&node->state_lock);
@@ -741,14 +739,14 @@ static void dlm_midcomms_receive_buffer_3_2(union dlm_packet *p, int nodeid)
*
* length already checked.
*/
- switch (le32_to_cpu(p->rcom.rc_type)) {
- case DLM_RCOM_NAMES:
+ switch (p->rcom.rc_type) {
+ case cpu_to_le32(DLM_RCOM_NAMES):
fallthrough;
- case DLM_RCOM_NAMES_REPLY:
+ case cpu_to_le32(DLM_RCOM_NAMES_REPLY):
fallthrough;
- case DLM_RCOM_STATUS:
+ case cpu_to_le32(DLM_RCOM_STATUS):
fallthrough;
- case DLM_RCOM_STATUS_REPLY:
+ case cpu_to_le32(DLM_RCOM_STATUS_REPLY):
break;
default:
log_print("unsupported rcom type received: %u, will skip this message from node %d",
@@ -1020,11 +1018,10 @@ static void dlm_fill_opts_header(struct dlm_opts *opts, uint16_t inner_len,
uint32_t seq)
{
opts->o_header.h_cmd = DLM_OPTS;
- opts->o_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
- opts->o_header.h_nodeid = dlm_our_nodeid();
- opts->o_header.h_length = DLM_MIDCOMMS_OPT_LEN + inner_len;
- opts->o_header.u.h_seq = seq;
- header_out(&opts->o_header);
+ opts->o_header.h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ opts->o_header.h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ opts->o_header.h_length = cpu_to_le16(DLM_MIDCOMMS_OPT_LEN + inner_len);
+ opts->o_header.u.h_seq = cpu_to_le32(seq);
}
static void midcomms_new_msg_cb(void *data)
@@ -1062,6 +1059,10 @@ static struct dlm_msg *dlm_midcomms_get_msg_3_2(struct dlm_mhandle *mh, int node
return msg;
}
+/* avoid false positive for nodes_srcu, unlock happens in
+ * dlm_midcomms_commit_mhandle which is a must call if success
+ */
+#ifndef __CHECKER__
struct dlm_mhandle *dlm_midcomms_get_mhandle(int nodeid, int len,
gfp_t allocation, char **ppc)
{
@@ -1127,6 +1128,7 @@ err:
srcu_read_unlock(&nodes_srcu, idx);
return NULL;
}
+#endif
static void dlm_midcomms_commit_msg_3_2(struct dlm_mhandle *mh)
{
@@ -1136,6 +1138,10 @@ static void dlm_midcomms_commit_msg_3_2(struct dlm_mhandle *mh)
dlm_lowcomms_commit_msg(mh->msg);
}
+/* avoid false positive for nodes_srcu, lock was happen in
+ * dlm_midcomms_get_mhandle
+ */
+#ifndef __CHECKER__
void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh)
{
switch (mh->node->version) {
@@ -1157,6 +1163,7 @@ void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh)
break;
}
}
+#endif
int dlm_midcomms_start(void)
{
@@ -1406,6 +1413,8 @@ int dlm_midcomms_close(int nodeid)
if (nodeid == dlm_our_nodeid())
return 0;
+ dlm_stop_lockspaces_check();
+
idx = srcu_read_lock(&nodes_srcu);
/* Abort pending close/remove operation */
node = nodeid2node(nodeid, 0);
@@ -1455,7 +1464,7 @@ static void midcomms_new_rawmsg_cb(void *data)
switch (h->h_cmd) {
case DLM_OPTS:
if (!h->u.h_seq)
- h->u.h_seq = rd->node->seq_send++;
+ h->u.h_seq = cpu_to_le32(rd->node->seq_send++);
break;
default:
break;
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index c38b2b8ffd1d..0993eebf2060 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -13,26 +13,26 @@
#include "dlm_internal.h"
#include "lockspace.h"
-static spinlock_t ops_lock;
-static struct list_head send_list;
-static struct list_head recv_list;
-static wait_queue_head_t send_wq;
-static wait_queue_head_t recv_wq;
+static DEFINE_SPINLOCK(ops_lock);
+static LIST_HEAD(send_list);
+static LIST_HEAD(recv_list);
+static DECLARE_WAIT_QUEUE_HEAD(send_wq);
+static DECLARE_WAIT_QUEUE_HEAD(recv_wq);
-struct plock_op {
- struct list_head list;
- int done;
- struct dlm_plock_info info;
-};
-
-struct plock_xop {
- struct plock_op xop;
- int (*callback)(struct file_lock *fl, int result);
+struct plock_async_data {
void *fl;
void *file;
struct file_lock flc;
+ int (*callback)(struct file_lock *fl, int result);
};
+struct plock_op {
+ struct list_head list;
+ int done;
+ struct dlm_plock_info info;
+ /* if set indicates async handling */
+ struct plock_async_data *data;
+};
static inline void set_version(struct dlm_plock_info *info)
{
@@ -58,10 +58,15 @@ static int check_version(struct dlm_plock_info *info)
return 0;
}
+static void dlm_release_plock_op(struct plock_op *op)
+{
+ kfree(op->data);
+ kfree(op);
+}
+
static void send_op(struct plock_op *op)
{
set_version(&op->info);
- INIT_LIST_HEAD(&op->list);
spin_lock(&ops_lock);
list_add_tail(&op->list, &send_list);
spin_unlock(&ops_lock);
@@ -101,22 +106,21 @@ static void do_unlock_close(struct dlm_ls *ls, u64 number,
int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
int cmd, struct file_lock *fl)
{
+ struct plock_async_data *op_data;
struct dlm_ls *ls;
struct plock_op *op;
- struct plock_xop *xop;
int rv;
ls = dlm_find_lockspace_local(lockspace);
if (!ls)
return -EINVAL;
- xop = kzalloc(sizeof(*xop), GFP_NOFS);
- if (!xop) {
+ op = kzalloc(sizeof(*op), GFP_NOFS);
+ if (!op) {
rv = -ENOMEM;
goto out;
}
- op = &xop->xop;
op->info.optype = DLM_PLOCK_OP_LOCK;
op->info.pid = fl->fl_pid;
op->info.ex = (fl->fl_type == F_WRLCK);
@@ -125,46 +129,49 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
op->info.number = number;
op->info.start = fl->fl_start;
op->info.end = fl->fl_end;
+ /* async handling */
if (fl->fl_lmops && fl->fl_lmops->lm_grant) {
+ op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
+ if (!op_data) {
+ dlm_release_plock_op(op);
+ rv = -ENOMEM;
+ goto out;
+ }
+
/* fl_owner is lockd which doesn't distinguish
processes on the nfs client */
op->info.owner = (__u64) fl->fl_pid;
- xop->callback = fl->fl_lmops->lm_grant;
- locks_init_lock(&xop->flc);
- locks_copy_lock(&xop->flc, fl);
- xop->fl = fl;
- xop->file = file;
+ op_data->callback = fl->fl_lmops->lm_grant;
+ locks_init_lock(&op_data->flc);
+ locks_copy_lock(&op_data->flc, fl);
+ op_data->fl = fl;
+ op_data->file = file;
+
+ op->data = op_data;
+
+ send_op(op);
+ rv = FILE_LOCK_DEFERRED;
+ goto out;
} else {
op->info.owner = (__u64)(long) fl->fl_owner;
- xop->callback = NULL;
}
send_op(op);
- if (xop->callback == NULL) {
- rv = wait_event_interruptible(recv_wq, (op->done != 0));
- if (rv == -ERESTARTSYS) {
- log_debug(ls, "dlm_posix_lock: wait killed %llx",
- (unsigned long long)number);
- spin_lock(&ops_lock);
- list_del(&op->list);
- spin_unlock(&ops_lock);
- kfree(xop);
- do_unlock_close(ls, number, file, fl);
- goto out;
- }
- } else {
- rv = FILE_LOCK_DEFERRED;
+ rv = wait_event_interruptible(recv_wq, (op->done != 0));
+ if (rv == -ERESTARTSYS) {
+ spin_lock(&ops_lock);
+ list_del(&op->list);
+ spin_unlock(&ops_lock);
+ log_print("%s: wait interrupted %x %llx, op removed",
+ __func__, ls->ls_global_id,
+ (unsigned long long)number);
+ dlm_release_plock_op(op);
+ do_unlock_close(ls, number, file, fl);
goto out;
}
- spin_lock(&ops_lock);
- if (!list_empty(&op->list)) {
- log_error(ls, "dlm_posix_lock: op on list %llx",
- (unsigned long long)number);
- list_del(&op->list);
- }
- spin_unlock(&ops_lock);
+ WARN_ON(!list_empty(&op->list));
rv = op->info.rv;
@@ -174,7 +181,7 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
(unsigned long long)number);
}
- kfree(xop);
+ dlm_release_plock_op(op);
out:
dlm_put_lockspace(ls);
return rv;
@@ -184,26 +191,20 @@ EXPORT_SYMBOL_GPL(dlm_posix_lock);
/* Returns failure iff a successful lock operation should be canceled */
static int dlm_plock_callback(struct plock_op *op)
{
+ struct plock_async_data *op_data = op->data;
struct file *file;
struct file_lock *fl;
struct file_lock *flc;
int (*notify)(struct file_lock *fl, int result) = NULL;
- struct plock_xop *xop = (struct plock_xop *)op;
int rv = 0;
- spin_lock(&ops_lock);
- if (!list_empty(&op->list)) {
- log_print("dlm_plock_callback: op on list %llx",
- (unsigned long long)op->info.number);
- list_del(&op->list);
- }
- spin_unlock(&ops_lock);
+ WARN_ON(!list_empty(&op->list));
/* check if the following 2 are still valid or make a copy */
- file = xop->file;
- flc = &xop->flc;
- fl = xop->fl;
- notify = xop->callback;
+ file = op_data->file;
+ flc = &op_data->flc;
+ fl = op_data->fl;
+ notify = op_data->callback;
if (op->info.rv) {
notify(fl, op->info.rv);
@@ -234,7 +235,7 @@ static int dlm_plock_callback(struct plock_op *op)
}
out:
- kfree(xop);
+ dlm_release_plock_op(op);
return rv;
}
@@ -290,13 +291,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
send_op(op);
wait_event(recv_wq, (op->done != 0));
- spin_lock(&ops_lock);
- if (!list_empty(&op->list)) {
- log_error(ls, "dlm_posix_unlock: op on list %llx",
- (unsigned long long)number);
- list_del(&op->list);
- }
- spin_unlock(&ops_lock);
+ WARN_ON(!list_empty(&op->list));
rv = op->info.rv;
@@ -304,7 +299,7 @@ int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
rv = 0;
out_free:
- kfree(op);
+ dlm_release_plock_op(op);
out:
dlm_put_lockspace(ls);
fl->fl_flags = fl_flags;
@@ -344,13 +339,7 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
send_op(op);
wait_event(recv_wq, (op->done != 0));
- spin_lock(&ops_lock);
- if (!list_empty(&op->list)) {
- log_error(ls, "dlm_posix_get: op on list %llx",
- (unsigned long long)number);
- list_del(&op->list);
- }
- spin_unlock(&ops_lock);
+ WARN_ON(!list_empty(&op->list));
/* info.rv from userspace is 1 for conflict, 0 for no-conflict,
-ENOENT if there are no locks on the file */
@@ -370,7 +359,7 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
rv = 0;
}
- kfree(op);
+ dlm_release_plock_op(op);
out:
dlm_put_lockspace(ls);
return rv;
@@ -406,7 +395,7 @@ static ssize_t dev_read(struct file *file, char __user *u, size_t count,
(the process did not make an unlock call). */
if (op->info.flags & DLM_PLOCK_FL_CLOSE)
- kfree(op);
+ dlm_release_plock_op(op);
if (copy_to_user(u, &info, sizeof(info)))
return -EFAULT;
@@ -418,9 +407,9 @@ static ssize_t dev_read(struct file *file, char __user *u, size_t count,
static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
loff_t *ppos)
{
+ struct plock_op *op = NULL, *iter;
struct dlm_plock_info info;
- struct plock_op *op;
- int found = 0, do_callback = 0;
+ int do_callback = 0;
if (count != sizeof(info))
return -EINVAL;
@@ -432,31 +421,30 @@ static ssize_t dev_write(struct file *file, const char __user *u, size_t count,
return -EINVAL;
spin_lock(&ops_lock);
- list_for_each_entry(op, &recv_list, list) {
- if (op->info.fsid == info.fsid &&
- op->info.number == info.number &&
- op->info.owner == info.owner) {
- struct plock_xop *xop = (struct plock_xop *)op;
- list_del_init(&op->list);
- memcpy(&op->info, &info, sizeof(info));
- if (xop->callback)
+ list_for_each_entry(iter, &recv_list, list) {
+ if (iter->info.fsid == info.fsid &&
+ iter->info.number == info.number &&
+ iter->info.owner == info.owner) {
+ list_del_init(&iter->list);
+ memcpy(&iter->info, &info, sizeof(info));
+ if (iter->data)
do_callback = 1;
else
- op->done = 1;
- found = 1;
+ iter->done = 1;
+ op = iter;
break;
}
}
spin_unlock(&ops_lock);
- if (found) {
+ if (op) {
if (do_callback)
dlm_plock_callback(op);
else
wake_up(&recv_wq);
} else
- log_print("dev_write no op %x %llx", info.fsid,
- (unsigned long long)info.number);
+ log_print("%s: no op %x %llx - may got interrupted?", __func__,
+ info.fsid, (unsigned long long)info.number);
return count;
}
@@ -492,12 +480,6 @@ int dlm_plock_init(void)
{
int rv;
- spin_lock_init(&ops_lock);
- INIT_LIST_HEAD(&send_list);
- INIT_LIST_HEAD(&recv_list);
- init_waitqueue_head(&send_wq);
- init_waitqueue_head(&recv_wq);
-
rv = misc_register(&plock_dev_misc);
if (rv)
log_print("dlm_plock_init: misc_register failed %d", rv);
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index 5821b777a1a7..f19860315043 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -34,16 +34,16 @@ static void _create_rcom(struct dlm_ls *ls, int to_nodeid, int type, int len,
rc = (struct dlm_rcom *) mb;
- rc->rc_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
- rc->rc_header.u.h_lockspace = ls->ls_global_id;
- rc->rc_header.h_nodeid = dlm_our_nodeid();
- rc->rc_header.h_length = mb_len;
+ rc->rc_header.h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ rc->rc_header.u.h_lockspace = cpu_to_le32(ls->ls_global_id);
+ rc->rc_header.h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ rc->rc_header.h_length = cpu_to_le16(mb_len);
rc->rc_header.h_cmd = DLM_RCOM;
- rc->rc_type = type;
+ rc->rc_type = cpu_to_le32(type);
spin_lock(&ls->ls_recover_lock);
- rc->rc_seq = ls->ls_recover_seq;
+ rc->rc_seq = cpu_to_le64(ls->ls_recover_seq);
spin_unlock(&ls->ls_recover_lock);
*rc_ret = rc;
@@ -91,13 +91,11 @@ static int create_rcom_stateless(struct dlm_ls *ls, int to_nodeid, int type,
static void send_rcom(struct dlm_mhandle *mh, struct dlm_rcom *rc)
{
- dlm_rcom_out(rc);
dlm_midcomms_commit_mhandle(mh);
}
static void send_rcom_stateless(struct dlm_msg *msg, struct dlm_rcom *rc)
{
- dlm_rcom_out(rc);
dlm_lowcomms_commit_msg(msg);
dlm_lowcomms_put_msg(msg);
}
@@ -127,10 +125,10 @@ static int check_rcom_config(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
{
struct rcom_config *rf = (struct rcom_config *) rc->rc_buf;
- if ((rc->rc_header.h_version & 0xFFFF0000) != DLM_HEADER_MAJOR) {
+ if ((le32_to_cpu(rc->rc_header.h_version) & 0xFFFF0000) != DLM_HEADER_MAJOR) {
log_error(ls, "version mismatch: %x nodeid %d: %x",
DLM_HEADER_MAJOR | DLM_HEADER_MINOR, nodeid,
- rc->rc_header.h_version);
+ le32_to_cpu(rc->rc_header.h_version));
return -EPROTO;
}
@@ -145,10 +143,10 @@ static int check_rcom_config(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
return 0;
}
-static void allow_sync_reply(struct dlm_ls *ls, uint64_t *new_seq)
+static void allow_sync_reply(struct dlm_ls *ls, __le64 *new_seq)
{
spin_lock(&ls->ls_rcom_spin);
- *new_seq = ++ls->ls_rcom_seq;
+ *new_seq = cpu_to_le64(++ls->ls_rcom_seq);
set_bit(LSFL_RCOM_WAIT, &ls->ls_flags);
spin_unlock(&ls->ls_rcom_spin);
}
@@ -182,7 +180,7 @@ int dlm_rcom_status(struct dlm_ls *ls, int nodeid, uint32_t status_flags)
if (nodeid == dlm_our_nodeid()) {
rc = ls->ls_recover_buf;
- rc->rc_result = dlm_recover_status(ls);
+ rc->rc_result = cpu_to_le32(dlm_recover_status(ls));
goto out;
}
@@ -208,7 +206,7 @@ retry:
rc = ls->ls_recover_buf;
- if (rc->rc_result == -ESRCH) {
+ if (rc->rc_result == cpu_to_le32(-ESRCH)) {
/* we pretend the remote lockspace exists with 0 status */
log_debug(ls, "remote node %d not ready", nodeid);
rc->rc_result = 0;
@@ -227,7 +225,7 @@ static void receive_rcom_status(struct dlm_ls *ls, struct dlm_rcom *rc_in)
struct dlm_rcom *rc;
struct rcom_status *rs;
uint32_t status;
- int nodeid = rc_in->rc_header.h_nodeid;
+ int nodeid = le32_to_cpu(rc_in->rc_header.h_nodeid);
int len = sizeof(struct rcom_config);
struct dlm_msg *msg;
int num_slots = 0;
@@ -259,7 +257,7 @@ static void receive_rcom_status(struct dlm_ls *ls, struct dlm_rcom *rc_in)
rc->rc_id = rc_in->rc_id;
rc->rc_seq_reply = rc_in->rc_seq;
- rc->rc_result = status;
+ rc->rc_result = cpu_to_le32(status);
set_rcom_config(ls, (struct rcom_config *)rc->rc_buf, num_slots);
@@ -287,14 +285,16 @@ static void receive_sync_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
{
spin_lock(&ls->ls_rcom_spin);
if (!test_bit(LSFL_RCOM_WAIT, &ls->ls_flags) ||
- rc_in->rc_id != ls->ls_rcom_seq) {
+ le64_to_cpu(rc_in->rc_id) != ls->ls_rcom_seq) {
log_debug(ls, "reject reply %d from %d seq %llx expect %llx",
- rc_in->rc_type, rc_in->rc_header.h_nodeid,
- (unsigned long long)rc_in->rc_id,
+ le32_to_cpu(rc_in->rc_type),
+ le32_to_cpu(rc_in->rc_header.h_nodeid),
+ (unsigned long long)le64_to_cpu(rc_in->rc_id),
(unsigned long long)ls->ls_rcom_seq);
goto out;
}
- memcpy(ls->ls_recover_buf, rc_in, rc_in->rc_header.h_length);
+ memcpy(ls->ls_recover_buf, rc_in,
+ le16_to_cpu(rc_in->rc_header.h_length));
set_bit(LSFL_RCOM_READY, &ls->ls_flags);
clear_bit(LSFL_RCOM_WAIT, &ls->ls_flags);
wake_up(&ls->ls_wait_general);
@@ -336,8 +336,9 @@ static void receive_rcom_names(struct dlm_ls *ls, struct dlm_rcom *rc_in)
int error, inlen, outlen, nodeid;
struct dlm_msg *msg;
- nodeid = rc_in->rc_header.h_nodeid;
- inlen = rc_in->rc_header.h_length - sizeof(struct dlm_rcom);
+ nodeid = le32_to_cpu(rc_in->rc_header.h_nodeid);
+ inlen = le16_to_cpu(rc_in->rc_header.h_length) -
+ sizeof(struct dlm_rcom);
outlen = DLM_MAX_APP_BUFSIZE - sizeof(struct dlm_rcom);
error = create_rcom_stateless(ls, nodeid, DLM_RCOM_NAMES_REPLY, outlen,
@@ -364,7 +365,7 @@ int dlm_send_rcom_lookup(struct dlm_rsb *r, int dir_nodeid)
if (error)
goto out;
memcpy(rc->rc_buf, r->res_name, r->res_length);
- rc->rc_id = (unsigned long) r->res_id;
+ rc->rc_id = cpu_to_le64(r->res_id);
send_rcom(mh, rc);
out:
@@ -375,11 +376,12 @@ static void receive_rcom_lookup(struct dlm_ls *ls, struct dlm_rcom *rc_in)
{
struct dlm_rcom *rc;
struct dlm_mhandle *mh;
- int error, ret_nodeid, nodeid = rc_in->rc_header.h_nodeid;
- int len = rc_in->rc_header.h_length - sizeof(struct dlm_rcom);
+ int error, ret_nodeid, nodeid = le32_to_cpu(rc_in->rc_header.h_nodeid);
+ int len = le16_to_cpu(rc_in->rc_header.h_length) -
+ sizeof(struct dlm_rcom);
/* Old code would send this special id to trigger a debug dump. */
- if (rc_in->rc_id == 0xFFFFFFFF) {
+ if (rc_in->rc_id == cpu_to_le64(0xFFFFFFFF)) {
log_error(ls, "receive_rcom_lookup dump from %d", nodeid);
dlm_dump_rsb_name(ls, rc_in->rc_buf, len);
return;
@@ -393,7 +395,7 @@ static void receive_rcom_lookup(struct dlm_ls *ls, struct dlm_rcom *rc_in)
DLM_LU_RECOVER_MASTER, &ret_nodeid, NULL);
if (error)
ret_nodeid = error;
- rc->rc_result = ret_nodeid;
+ rc->rc_result = cpu_to_le32(ret_nodeid);
rc->rc_id = rc_in->rc_id;
rc->rc_seq_reply = rc_in->rc_seq;
@@ -452,7 +454,7 @@ int dlm_send_rcom_lock(struct dlm_rsb *r, struct dlm_lkb *lkb)
rl = (struct rcom_lock *) rc->rc_buf;
pack_rcom_lock(r, lkb, rl);
- rc->rc_id = (unsigned long) r;
+ rc->rc_id = cpu_to_le64((uintptr_t)r);
send_rcom(mh, rc);
out:
@@ -464,7 +466,7 @@ static void receive_rcom_lock(struct dlm_ls *ls, struct dlm_rcom *rc_in)
{
struct dlm_rcom *rc;
struct dlm_mhandle *mh;
- int error, nodeid = rc_in->rc_header.h_nodeid;
+ int error, nodeid = le32_to_cpu(rc_in->rc_header.h_nodeid);
dlm_recover_master_copy(ls, rc_in);
@@ -500,21 +502,20 @@ int dlm_send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in)
rc = (struct dlm_rcom *) mb;
- rc->rc_header.h_version = (DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
+ rc->rc_header.h_version = cpu_to_le32(DLM_HEADER_MAJOR | DLM_HEADER_MINOR);
rc->rc_header.u.h_lockspace = rc_in->rc_header.u.h_lockspace;
- rc->rc_header.h_nodeid = dlm_our_nodeid();
- rc->rc_header.h_length = mb_len;
+ rc->rc_header.h_nodeid = cpu_to_le32(dlm_our_nodeid());
+ rc->rc_header.h_length = cpu_to_le16(mb_len);
rc->rc_header.h_cmd = DLM_RCOM;
- rc->rc_type = DLM_RCOM_STATUS_REPLY;
+ rc->rc_type = cpu_to_le32(DLM_RCOM_STATUS_REPLY);
rc->rc_id = rc_in->rc_id;
rc->rc_seq_reply = rc_in->rc_seq;
- rc->rc_result = -ESRCH;
+ rc->rc_result = cpu_to_le32(-ESRCH);
rf = (struct rcom_config *) rc->rc_buf;
rf->rf_lvblen = cpu_to_le32(~0U);
- dlm_rcom_out(rc);
dlm_midcomms_commit_mhandle(mh);
return 0;
@@ -573,27 +574,27 @@ void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
uint64_t seq;
switch (rc->rc_type) {
- case DLM_RCOM_STATUS_REPLY:
+ case cpu_to_le32(DLM_RCOM_STATUS_REPLY):
reply = 1;
break;
- case DLM_RCOM_NAMES:
+ case cpu_to_le32(DLM_RCOM_NAMES):
names = 1;
break;
- case DLM_RCOM_NAMES_REPLY:
+ case cpu_to_le32(DLM_RCOM_NAMES_REPLY):
names = 1;
reply = 1;
break;
- case DLM_RCOM_LOOKUP:
+ case cpu_to_le32(DLM_RCOM_LOOKUP):
lookup = 1;
break;
- case DLM_RCOM_LOOKUP_REPLY:
+ case cpu_to_le32(DLM_RCOM_LOOKUP_REPLY):
lookup = 1;
reply = 1;
break;
- case DLM_RCOM_LOCK:
+ case cpu_to_le32(DLM_RCOM_LOCK):
lock = 1;
break;
- case DLM_RCOM_LOCK_REPLY:
+ case cpu_to_le32(DLM_RCOM_LOCK_REPLY):
lock = 1;
reply = 1;
break;
@@ -605,10 +606,10 @@ void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
seq = ls->ls_recover_seq;
spin_unlock(&ls->ls_recover_lock);
- if (stop && (rc->rc_type != DLM_RCOM_STATUS))
+ if (stop && (rc->rc_type != cpu_to_le32(DLM_RCOM_STATUS)))
goto ignore;
- if (reply && (rc->rc_seq_reply != seq))
+ if (reply && (le64_to_cpu(rc->rc_seq_reply) != seq))
goto ignore;
if (!(status & DLM_RS_NODES) && (names || lookup || lock))
@@ -618,59 +619,60 @@ void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
goto ignore;
switch (rc->rc_type) {
- case DLM_RCOM_STATUS:
+ case cpu_to_le32(DLM_RCOM_STATUS):
receive_rcom_status(ls, rc);
break;
- case DLM_RCOM_NAMES:
+ case cpu_to_le32(DLM_RCOM_NAMES):
receive_rcom_names(ls, rc);
break;
- case DLM_RCOM_LOOKUP:
+ case cpu_to_le32(DLM_RCOM_LOOKUP):
receive_rcom_lookup(ls, rc);
break;
- case DLM_RCOM_LOCK:
- if (rc->rc_header.h_length < lock_size)
+ case cpu_to_le32(DLM_RCOM_LOCK):
+ if (le16_to_cpu(rc->rc_header.h_length) < lock_size)
goto Eshort;
receive_rcom_lock(ls, rc);
break;
- case DLM_RCOM_STATUS_REPLY:
+ case cpu_to_le32(DLM_RCOM_STATUS_REPLY):
receive_sync_reply(ls, rc);
break;
- case DLM_RCOM_NAMES_REPLY:
+ case cpu_to_le32(DLM_RCOM_NAMES_REPLY):
receive_sync_reply(ls, rc);
break;
- case DLM_RCOM_LOOKUP_REPLY:
+ case cpu_to_le32(DLM_RCOM_LOOKUP_REPLY):
receive_rcom_lookup_reply(ls, rc);
break;
- case DLM_RCOM_LOCK_REPLY:
- if (rc->rc_header.h_length < lock_size)
+ case cpu_to_le32(DLM_RCOM_LOCK_REPLY):
+ if (le16_to_cpu(rc->rc_header.h_length) < lock_size)
goto Eshort;
dlm_recover_process_copy(ls, rc);
break;
default:
- log_error(ls, "receive_rcom bad type %d", rc->rc_type);
+ log_error(ls, "receive_rcom bad type %d",
+ le32_to_cpu(rc->rc_type));
}
return;
ignore:
log_limit(ls, "dlm_receive_rcom ignore msg %d "
"from %d %llu %llu recover seq %llu sts %x gen %u",
- rc->rc_type,
+ le32_to_cpu(rc->rc_type),
nodeid,
- (unsigned long long)rc->rc_seq,
- (unsigned long long)rc->rc_seq_reply,
+ (unsigned long long)le64_to_cpu(rc->rc_seq),
+ (unsigned long long)le64_to_cpu(rc->rc_seq_reply),
(unsigned long long)seq,
status, ls->ls_generation);
return;
Eshort:
log_error(ls, "recovery message %d from %d is too short",
- rc->rc_type, nodeid);
+ le32_to_cpu(rc->rc_type), nodeid);
}
diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c
index 8928e99dfd47..ccff1791803f 100644
--- a/fs/dlm/recover.c
+++ b/fs/dlm/recover.c
@@ -114,7 +114,7 @@ static int wait_status_all(struct dlm_ls *ls, uint32_t wait_status,
if (save_slots)
dlm_slot_save(ls, rc, memb);
- if (rc->rc_result & wait_status)
+ if (le32_to_cpu(rc->rc_result) & wait_status)
break;
if (delay < 1000)
delay += 20;
@@ -141,7 +141,7 @@ static int wait_status_low(struct dlm_ls *ls, uint32_t wait_status,
if (error)
break;
- if (rc->rc_result & wait_status)
+ if (le32_to_cpu(rc->rc_result) & wait_status)
break;
if (delay < 1000)
delay += 20;
@@ -568,14 +568,14 @@ int dlm_recover_master_reply(struct dlm_ls *ls, struct dlm_rcom *rc)
struct dlm_rsb *r;
int ret_nodeid, new_master;
- r = recover_idr_find(ls, rc->rc_id);
+ r = recover_idr_find(ls, le64_to_cpu(rc->rc_id));
if (!r) {
log_error(ls, "dlm_recover_master_reply no id %llx",
- (unsigned long long)rc->rc_id);
+ (unsigned long long)le64_to_cpu(rc->rc_id));
goto out;
}
- ret_nodeid = rc->rc_result;
+ ret_nodeid = le32_to_cpu(rc->rc_result);
if (ret_nodeid == dlm_our_nodeid())
new_master = 0;
@@ -732,10 +732,9 @@ void dlm_recovered_lock(struct dlm_rsb *r)
static void recover_lvb(struct dlm_rsb *r)
{
- struct dlm_lkb *lkb, *high_lkb = NULL;
+ struct dlm_lkb *big_lkb = NULL, *iter, *high_lkb = NULL;
uint32_t high_seq = 0;
int lock_lvb_exists = 0;
- int big_lock_exists = 0;
int lvblen = r->res_ls->ls_lvblen;
if (!rsb_flag(r, RSB_NEW_MASTER2) &&
@@ -751,37 +750,37 @@ static void recover_lvb(struct dlm_rsb *r)
/* we are the new master, so figure out if VALNOTVALID should
be set, and set the rsb lvb from the best lkb available. */
- list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) {
- if (!(lkb->lkb_exflags & DLM_LKF_VALBLK))
+ list_for_each_entry(iter, &r->res_grantqueue, lkb_statequeue) {
+ if (!(iter->lkb_exflags & DLM_LKF_VALBLK))
continue;
lock_lvb_exists = 1;
- if (lkb->lkb_grmode > DLM_LOCK_CR) {
- big_lock_exists = 1;
+ if (iter->lkb_grmode > DLM_LOCK_CR) {
+ big_lkb = iter;
goto setflag;
}
- if (((int)lkb->lkb_lvbseq - (int)high_seq) >= 0) {
- high_lkb = lkb;
- high_seq = lkb->lkb_lvbseq;
+ if (((int)iter->lkb_lvbseq - (int)high_seq) >= 0) {
+ high_lkb = iter;
+ high_seq = iter->lkb_lvbseq;
}
}
- list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) {
- if (!(lkb->lkb_exflags & DLM_LKF_VALBLK))
+ list_for_each_entry(iter, &r->res_convertqueue, lkb_statequeue) {
+ if (!(iter->lkb_exflags & DLM_LKF_VALBLK))
continue;
lock_lvb_exists = 1;
- if (lkb->lkb_grmode > DLM_LOCK_CR) {
- big_lock_exists = 1;
+ if (iter->lkb_grmode > DLM_LOCK_CR) {
+ big_lkb = iter;
goto setflag;
}
- if (((int)lkb->lkb_lvbseq - (int)high_seq) >= 0) {
- high_lkb = lkb;
- high_seq = lkb->lkb_lvbseq;
+ if (((int)iter->lkb_lvbseq - (int)high_seq) >= 0) {
+ high_lkb = iter;
+ high_seq = iter->lkb_lvbseq;
}
}
@@ -790,7 +789,7 @@ static void recover_lvb(struct dlm_rsb *r)
goto out;
/* lvb is invalidated if only NL/CR locks remain */
- if (!big_lock_exists)
+ if (!big_lkb)
rsb_set_flag(r, RSB_VALNOTVALID);
if (!r->res_lvbptr) {
@@ -799,9 +798,9 @@ static void recover_lvb(struct dlm_rsb *r)
goto out;
}
- if (big_lock_exists) {
- r->res_lvbseq = lkb->lkb_lvbseq;
- memcpy(r->res_lvbptr, lkb->lkb_lvbptr, lvblen);
+ if (big_lkb) {
+ r->res_lvbseq = big_lkb->lkb_lvbseq;
+ memcpy(r->res_lvbptr, big_lkb->lkb_lvbptr, lvblen);
} else if (high_lkb) {
r->res_lvbseq = high_lkb->lkb_lvbseq;
memcpy(r->res_lvbptr, high_lkb->lkb_lvbptr, lvblen);
diff --git a/fs/dlm/requestqueue.c b/fs/dlm/requestqueue.c
index ccb5307c21e9..036a9a0078f6 100644
--- a/fs/dlm/requestqueue.c
+++ b/fs/dlm/requestqueue.c
@@ -14,6 +14,7 @@
#include "dir.h"
#include "config.h"
#include "requestqueue.h"
+#include "util.h"
struct rq_entry {
struct list_head list;
@@ -32,7 +33,8 @@ struct rq_entry {
void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message *ms)
{
struct rq_entry *e;
- int length = ms->m_header.h_length - sizeof(struct dlm_message);
+ int length = le16_to_cpu(ms->m_header.h_length) -
+ sizeof(struct dlm_message);
e = kmalloc(sizeof(struct rq_entry) + length, GFP_NOFS);
if (!e) {
@@ -42,7 +44,7 @@ void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message *ms)
e->recover_seq = ls->ls_recover_seq & 0xFFFFFFFF;
e->nodeid = nodeid;
- memcpy(&e->request, ms, ms->m_header.h_length);
+ memcpy(&e->request, ms, le16_to_cpu(ms->m_header.h_length));
atomic_inc(&ls->ls_requestqueue_cnt);
mutex_lock(&ls->ls_requestqueue_mutex);
@@ -82,8 +84,10 @@ int dlm_process_requestqueue(struct dlm_ls *ls)
log_limit(ls, "dlm_process_requestqueue msg %d from %d "
"lkid %x remid %x result %d seq %u",
- ms->m_type, ms->m_header.h_nodeid,
- ms->m_lkid, ms->m_remid, ms->m_result,
+ le32_to_cpu(ms->m_type),
+ le32_to_cpu(ms->m_header.h_nodeid),
+ le32_to_cpu(ms->m_lkid), le32_to_cpu(ms->m_remid),
+ from_dlm_errno(le32_to_cpu(ms->m_result)),
e->recover_seq);
dlm_receive_message_saved(ls, &e->request, e->recover_seq);
@@ -124,7 +128,7 @@ void dlm_wait_requestqueue(struct dlm_ls *ls)
static int purge_request(struct dlm_ls *ls, struct dlm_message *ms, int nodeid)
{
- uint32_t type = ms->m_type;
+ __le32 type = ms->m_type;
/* the ls is being cleaned up and freed by release_lockspace */
if (!atomic_read(&ls->ls_count))
@@ -136,9 +140,9 @@ static int purge_request(struct dlm_ls *ls, struct dlm_message *ms, int nodeid)
/* directory operations are always purged because the directory is
always rebuilt during recovery and the lookups resent */
- if (type == DLM_MSG_REMOVE ||
- type == DLM_MSG_LOOKUP ||
- type == DLM_MSG_LOOKUP_REPLY)
+ if (type == cpu_to_le32(DLM_MSG_REMOVE) ||
+ type == cpu_to_le32(DLM_MSG_LOOKUP) ||
+ type == cpu_to_le32(DLM_MSG_LOOKUP_REPLY))
return 1;
if (!dlm_no_directory(ls))
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index e5cefa90b1ce..1060b24f18d4 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -108,11 +108,11 @@ static void compat_input(struct dlm_write_request *kb,
kb->i.lock.parent = kb32->i.lock.parent;
kb->i.lock.xid = kb32->i.lock.xid;
kb->i.lock.timeout = kb32->i.lock.timeout;
- kb->i.lock.castparam = (void *)(long)kb32->i.lock.castparam;
- kb->i.lock.castaddr = (void *)(long)kb32->i.lock.castaddr;
- kb->i.lock.bastparam = (void *)(long)kb32->i.lock.bastparam;
- kb->i.lock.bastaddr = (void *)(long)kb32->i.lock.bastaddr;
- kb->i.lock.lksb = (void *)(long)kb32->i.lock.lksb;
+ kb->i.lock.castparam = (__user void *)(long)kb32->i.lock.castparam;
+ kb->i.lock.castaddr = (__user void *)(long)kb32->i.lock.castaddr;
+ kb->i.lock.bastparam = (__user void *)(long)kb32->i.lock.bastparam;
+ kb->i.lock.bastaddr = (__user void *)(long)kb32->i.lock.bastaddr;
+ kb->i.lock.lksb = (__user void *)(long)kb32->i.lock.lksb;
memcpy(kb->i.lock.lvb, kb32->i.lock.lvb, DLM_USER_LVB_LEN);
memcpy(kb->i.lock.name, kb32->i.lock.name, namelen);
}
@@ -127,9 +127,9 @@ static void compat_output(struct dlm_lock_result *res,
res32->version[1] = res->version[1];
res32->version[2] = res->version[2];
- res32->user_astaddr = (__u32)(long)res->user_astaddr;
- res32->user_astparam = (__u32)(long)res->user_astparam;
- res32->user_lksb = (__u32)(long)res->user_lksb;
+ res32->user_astaddr = (__u32)(__force long)res->user_astaddr;
+ res32->user_astparam = (__u32)(__force long)res->user_astparam;
+ res32->user_lksb = (__u32)(__force long)res->user_lksb;
res32->bast_mode = res->bast_mode;
res32->lvb_offset = res->lvb_offset;
diff --git a/fs/dlm/util.c b/fs/dlm/util.c
index 58acbcc2081a..f2bc401f312f 100644
--- a/fs/dlm/util.c
+++ b/fs/dlm/util.c
@@ -20,28 +20,10 @@
#define DLM_ERRNO_ETIMEDOUT 110
#define DLM_ERRNO_EINPROGRESS 115
-void header_out(struct dlm_header *hd)
-{
- hd->h_version = cpu_to_le32(hd->h_version);
- /* does it for others u32 in union as well */
- hd->u.h_lockspace = cpu_to_le32(hd->u.h_lockspace);
- hd->h_nodeid = cpu_to_le32(hd->h_nodeid);
- hd->h_length = cpu_to_le16(hd->h_length);
-}
-
-void header_in(struct dlm_header *hd)
-{
- hd->h_version = le32_to_cpu(hd->h_version);
- /* does it for others u32 in union as well */
- hd->u.h_lockspace = le32_to_cpu(hd->u.h_lockspace);
- hd->h_nodeid = le32_to_cpu(hd->h_nodeid);
- hd->h_length = le16_to_cpu(hd->h_length);
-}
-
/* higher errno values are inconsistent across architectures, so select
one set of values for on the wire */
-static int to_dlm_errno(int err)
+int to_dlm_errno(int err)
{
switch (err) {
case -EDEADLK:
@@ -62,7 +44,7 @@ static int to_dlm_errno(int err)
return err;
}
-static int from_dlm_errno(int err)
+int from_dlm_errno(int err)
{
switch (err) {
case -DLM_ERRNO_EDEADLK:
@@ -82,73 +64,3 @@ static int from_dlm_errno(int err)
}
return err;
}
-
-void dlm_message_out(struct dlm_message *ms)
-{
- header_out(&ms->m_header);
-
- ms->m_type = cpu_to_le32(ms->m_type);
- ms->m_nodeid = cpu_to_le32(ms->m_nodeid);
- ms->m_pid = cpu_to_le32(ms->m_pid);
- ms->m_lkid = cpu_to_le32(ms->m_lkid);
- ms->m_remid = cpu_to_le32(ms->m_remid);
- ms->m_parent_lkid = cpu_to_le32(ms->m_parent_lkid);
- ms->m_parent_remid = cpu_to_le32(ms->m_parent_remid);
- ms->m_exflags = cpu_to_le32(ms->m_exflags);
- ms->m_sbflags = cpu_to_le32(ms->m_sbflags);
- ms->m_flags = cpu_to_le32(ms->m_flags);
- ms->m_lvbseq = cpu_to_le32(ms->m_lvbseq);
- ms->m_hash = cpu_to_le32(ms->m_hash);
- ms->m_status = cpu_to_le32(ms->m_status);
- ms->m_grmode = cpu_to_le32(ms->m_grmode);
- ms->m_rqmode = cpu_to_le32(ms->m_rqmode);
- ms->m_bastmode = cpu_to_le32(ms->m_bastmode);
- ms->m_asts = cpu_to_le32(ms->m_asts);
- ms->m_result = cpu_to_le32(to_dlm_errno(ms->m_result));
-}
-
-void dlm_message_in(struct dlm_message *ms)
-{
- header_in(&ms->m_header);
-
- ms->m_type = le32_to_cpu(ms->m_type);
- ms->m_nodeid = le32_to_cpu(ms->m_nodeid);
- ms->m_pid = le32_to_cpu(ms->m_pid);
- ms->m_lkid = le32_to_cpu(ms->m_lkid);
- ms->m_remid = le32_to_cpu(ms->m_remid);
- ms->m_parent_lkid = le32_to_cpu(ms->m_parent_lkid);
- ms->m_parent_remid = le32_to_cpu(ms->m_parent_remid);
- ms->m_exflags = le32_to_cpu(ms->m_exflags);
- ms->m_sbflags = le32_to_cpu(ms->m_sbflags);
- ms->m_flags = le32_to_cpu(ms->m_flags);
- ms->m_lvbseq = le32_to_cpu(ms->m_lvbseq);
- ms->m_hash = le32_to_cpu(ms->m_hash);
- ms->m_status = le32_to_cpu(ms->m_status);
- ms->m_grmode = le32_to_cpu(ms->m_grmode);
- ms->m_rqmode = le32_to_cpu(ms->m_rqmode);
- ms->m_bastmode = le32_to_cpu(ms->m_bastmode);
- ms->m_asts = le32_to_cpu(ms->m_asts);
- ms->m_result = from_dlm_errno(le32_to_cpu(ms->m_result));
-}
-
-void dlm_rcom_out(struct dlm_rcom *rc)
-{
- header_out(&rc->rc_header);
-
- rc->rc_type = cpu_to_le32(rc->rc_type);
- rc->rc_result = cpu_to_le32(rc->rc_result);
- rc->rc_id = cpu_to_le64(rc->rc_id);
- rc->rc_seq = cpu_to_le64(rc->rc_seq);
- rc->rc_seq_reply = cpu_to_le64(rc->rc_seq_reply);
-}
-
-void dlm_rcom_in(struct dlm_rcom *rc)
-{
- header_in(&rc->rc_header);
-
- rc->rc_type = le32_to_cpu(rc->rc_type);
- rc->rc_result = le32_to_cpu(rc->rc_result);
- rc->rc_id = le64_to_cpu(rc->rc_id);
- rc->rc_seq = le64_to_cpu(rc->rc_seq);
- rc->rc_seq_reply = le64_to_cpu(rc->rc_seq_reply);
-}
diff --git a/fs/dlm/util.h b/fs/dlm/util.h
index d46f23c7a6a0..b6a4b8adca8d 100644
--- a/fs/dlm/util.h
+++ b/fs/dlm/util.h
@@ -11,12 +11,8 @@
#ifndef __UTIL_DOT_H__
#define __UTIL_DOT_H__
-void dlm_message_out(struct dlm_message *ms);
-void dlm_message_in(struct dlm_message *ms);
-void dlm_rcom_out(struct dlm_rcom *rc);
-void dlm_rcom_in(struct dlm_rcom *rc);
-void header_out(struct dlm_header *hd);
-void header_in(struct dlm_header *hd);
+int to_dlm_errno(int err);
+int from_dlm_errno(int err);
#endif
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-17 17:53:59 +0000