diff options
-rw-r--r-- | fs/dlm/dlm_internal.h | 7 | ||||
-rw-r--r-- | fs/dlm/lockspace.c | 8 | ||||
-rw-r--r-- | fs/dlm/recover.c | 61 |
3 files changed, 40 insertions, 36 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 015f2b2a83f6..9e68e68bf0cf 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -36,7 +36,6 @@ #include <linux/miscdevice.h> #include <linux/rhashtable.h> #include <linux/mutex.h> -#include <linux/idr.h> #include <linux/xarray.h> #include <linux/ratelimit.h> #include <linux/uaccess.h> @@ -317,7 +316,7 @@ struct dlm_rsb { int res_nodeid; int res_master_nodeid; int res_dir_nodeid; - int res_id; /* for ls_recover_idr */ + unsigned long res_id; /* for ls_recover_xa */ uint32_t res_lvbseq; uint32_t res_hash; unsigned long res_toss_time; @@ -649,8 +648,8 @@ struct dlm_ls { struct list_head ls_recover_list; spinlock_t ls_recover_list_lock; int ls_recover_list_count; - struct idr ls_recover_idr; - spinlock_t ls_recover_idr_lock; + struct xarray ls_recover_xa; + spinlock_t ls_recover_xa_lock; wait_queue_head_t ls_wait_general; wait_queue_head_t ls_recover_lock_wait; spinlock_t ls_clear_proc_locks; diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index e480dd4cd958..6f1078a1c715 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -481,8 +481,8 @@ static int new_lockspace(const char *name, const char *cluster, INIT_LIST_HEAD(&ls->ls_recover_list); spin_lock_init(&ls->ls_recover_list_lock); - idr_init(&ls->ls_recover_idr); - spin_lock_init(&ls->ls_recover_idr_lock); + xa_init_flags(&ls->ls_recover_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_BH); + spin_lock_init(&ls->ls_recover_xa_lock); ls->ls_recover_list_count = 0; init_waitqueue_head(&ls->ls_wait_general); INIT_LIST_HEAD(&ls->ls_masters_list); @@ -570,7 +570,7 @@ static int new_lockspace(const char *name, const char *cluster, spin_lock_bh(&lslist_lock); list_del(&ls->ls_list); spin_unlock_bh(&lslist_lock); - idr_destroy(&ls->ls_recover_idr); + xa_destroy(&ls->ls_recover_xa); kfree(ls->ls_recover_buf); out_lkbxa: xa_destroy(&ls->ls_lkbxa); @@ -736,7 +736,7 @@ static int release_lockspace(struct dlm_ls *ls, int force) dlm_delete_debug_file(ls); - idr_destroy(&ls->ls_recover_idr); + xa_destroy(&ls->ls_recover_xa); kfree(ls->ls_recover_buf); /* diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c index f493d5f30c58..d156196b9e69 100644 --- a/fs/dlm/recover.c +++ b/fs/dlm/recover.c @@ -293,73 +293,78 @@ static void recover_list_clear(struct dlm_ls *ls) spin_unlock_bh(&ls->ls_recover_list_lock); } -static int recover_idr_empty(struct dlm_ls *ls) +static int recover_xa_empty(struct dlm_ls *ls) { int empty = 1; - spin_lock_bh(&ls->ls_recover_idr_lock); + spin_lock_bh(&ls->ls_recover_xa_lock); if (ls->ls_recover_list_count) empty = 0; - spin_unlock_bh(&ls->ls_recover_idr_lock); + spin_unlock_bh(&ls->ls_recover_xa_lock); return empty; } -static int recover_idr_add(struct dlm_rsb *r) +static int recover_xa_add(struct dlm_rsb *r) { struct dlm_ls *ls = r->res_ls; + struct xa_limit limit = { + .min = 1, + .max = UINT_MAX, + }; + uint32_t id; int rv; - spin_lock_bh(&ls->ls_recover_idr_lock); + spin_lock_bh(&ls->ls_recover_xa_lock); if (r->res_id) { rv = -1; goto out_unlock; } - rv = idr_alloc(&ls->ls_recover_idr, r, 1, 0, GFP_NOWAIT); + rv = xa_alloc(&ls->ls_recover_xa, &id, r, limit, GFP_ATOMIC); if (rv < 0) goto out_unlock; - r->res_id = rv; + r->res_id = id; ls->ls_recover_list_count++; dlm_hold_rsb(r); rv = 0; out_unlock: - spin_unlock_bh(&ls->ls_recover_idr_lock); + spin_unlock_bh(&ls->ls_recover_xa_lock); return rv; } -static void recover_idr_del(struct dlm_rsb *r) +static void recover_xa_del(struct dlm_rsb *r) { struct dlm_ls *ls = r->res_ls; - spin_lock_bh(&ls->ls_recover_idr_lock); - idr_remove(&ls->ls_recover_idr, r->res_id); + spin_lock_bh(&ls->ls_recover_xa_lock); + xa_erase_bh(&ls->ls_recover_xa, r->res_id); r->res_id = 0; ls->ls_recover_list_count--; - spin_unlock_bh(&ls->ls_recover_idr_lock); + spin_unlock_bh(&ls->ls_recover_xa_lock); dlm_put_rsb(r); } -static struct dlm_rsb *recover_idr_find(struct dlm_ls *ls, uint64_t id) +static struct dlm_rsb *recover_xa_find(struct dlm_ls *ls, uint64_t id) { struct dlm_rsb *r; - spin_lock_bh(&ls->ls_recover_idr_lock); - r = idr_find(&ls->ls_recover_idr, (int)id); - spin_unlock_bh(&ls->ls_recover_idr_lock); + spin_lock_bh(&ls->ls_recover_xa_lock); + r = xa_load(&ls->ls_recover_xa, (int)id); + spin_unlock_bh(&ls->ls_recover_xa_lock); return r; } -static void recover_idr_clear(struct dlm_ls *ls) +static void recover_xa_clear(struct dlm_ls *ls) { struct dlm_rsb *r; - int id; + unsigned long id; - spin_lock_bh(&ls->ls_recover_idr_lock); + spin_lock_bh(&ls->ls_recover_xa_lock); - idr_for_each_entry(&ls->ls_recover_idr, r, id) { - idr_remove(&ls->ls_recover_idr, id); + xa_for_each(&ls->ls_recover_xa, id, r) { + xa_erase_bh(&ls->ls_recover_xa, id); r->res_id = 0; r->res_recover_locks_count = 0; ls->ls_recover_list_count--; @@ -372,7 +377,7 @@ static void recover_idr_clear(struct dlm_ls *ls) ls->ls_recover_list_count); ls->ls_recover_list_count = 0; } - spin_unlock_bh(&ls->ls_recover_idr_lock); + spin_unlock_bh(&ls->ls_recover_xa_lock); } @@ -470,7 +475,7 @@ static int recover_master(struct dlm_rsb *r, unsigned int *count, uint64_t seq) set_new_master(r); error = 0; } else { - recover_idr_add(r); + recover_xa_add(r); error = dlm_send_rcom_lookup(r, dir_nodeid, seq); } @@ -551,10 +556,10 @@ int dlm_recover_masters(struct dlm_ls *ls, uint64_t seq, log_rinfo(ls, "dlm_recover_masters %u of %u", count, total); - error = dlm_wait_function(ls, &recover_idr_empty); + error = dlm_wait_function(ls, &recover_xa_empty); out: if (error) - recover_idr_clear(ls); + recover_xa_clear(ls); return error; } @@ -563,7 +568,7 @@ int dlm_recover_master_reply(struct dlm_ls *ls, const struct dlm_rcom *rc) struct dlm_rsb *r; int ret_nodeid, new_master; - r = recover_idr_find(ls, le64_to_cpu(rc->rc_id)); + r = recover_xa_find(ls, le64_to_cpu(rc->rc_id)); if (!r) { log_error(ls, "dlm_recover_master_reply no id %llx", (unsigned long long)le64_to_cpu(rc->rc_id)); @@ -582,9 +587,9 @@ int dlm_recover_master_reply(struct dlm_ls *ls, const struct dlm_rcom *rc) r->res_nodeid = new_master; set_new_master(r); unlock_rsb(r); - recover_idr_del(r); + recover_xa_del(r); - if (recover_idr_empty(ls)) + if (recover_xa_empty(ls)) wake_up(&ls->ls_wait_general); out: return 0; |