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Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/cmservice.c16
-rw-r--r--fs/afs/file.c2
-rw-r--r--fs/afs/flock.c1
-rw-r--r--fs/afs/fs_probe.c4
-rw-r--r--fs/afs/fsclient.c42
-rw-r--r--fs/afs/internal.h14
-rw-r--r--fs/afs/misc.c18
-rw-r--r--fs/afs/proc.c5
-rw-r--r--fs/afs/rotate.c2
-rw-r--r--fs/afs/rxrpc.c6
-rw-r--r--fs/afs/vl_list.c1
-rw-r--r--fs/afs/vl_probe.c82
-rw-r--r--fs/afs/vl_rotate.c7
-rw-r--r--fs/afs/vlclient.c24
-rw-r--r--fs/afs/write.c2
-rw-r--r--fs/afs/yfsclient.c50
16 files changed, 154 insertions, 122 deletions
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index bef413818af7..a4e9e6e07e93 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -252,7 +252,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
call->unmarshall++;
/* extract the FID array and its count in two steps */
- /* fall through */
+ fallthrough;
case 1:
_debug("extract FID count");
ret = afs_extract_data(call, true);
@@ -271,7 +271,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
afs_extract_to_buf(call, call->count * 3 * 4);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 2:
_debug("extract FID array");
ret = afs_extract_data(call, true);
@@ -297,7 +297,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
call->unmarshall++;
/* extract the callback array and its count in two steps */
- /* fall through */
+ fallthrough;
case 3:
_debug("extract CB count");
ret = afs_extract_data(call, true);
@@ -312,7 +312,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
iov_iter_discard(&call->def_iter, READ, call->count2 * 3 * 4);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 4:
_debug("extract discard %zu/%u",
iov_iter_count(call->iter), call->count2 * 3 * 4);
@@ -391,7 +391,7 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call)
afs_extract_to_buf(call, 11 * sizeof(__be32));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 1:
_debug("extract UUID");
ret = afs_extract_data(call, false);
@@ -503,7 +503,7 @@ static int afs_deliver_cb_probe_uuid(struct afs_call *call)
afs_extract_to_buf(call, 11 * sizeof(__be32));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 1:
_debug("extract UUID");
ret = afs_extract_data(call, false);
@@ -618,7 +618,7 @@ static int afs_deliver_yfs_cb_callback(struct afs_call *call)
call->unmarshall++;
/* extract the FID array and its count in two steps */
- /* Fall through */
+ fallthrough;
case 1:
_debug("extract FID count");
ret = afs_extract_data(call, true);
@@ -637,7 +637,7 @@ static int afs_deliver_yfs_cb_callback(struct afs_call *call)
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 2:
_debug("extract FID array");
ret = afs_extract_data(call, false);
diff --git a/fs/afs/file.c b/fs/afs/file.c
index 6f6ed1605cfe..371d1488cc54 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -311,7 +311,7 @@ int afs_page_filler(void *data, struct page *page)
case -ENOBUFS:
_debug("cache said ENOBUFS");
- /* fall through */
+ fallthrough;
default:
go_on:
req = kzalloc(struct_size(req, array, 1), GFP_KERNEL);
diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index ffb8575345ca..cb3054c7843e 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -376,7 +376,6 @@ again:
spin_unlock(&vnode->lock);
return;
- /* Fall through */
default:
/* Looks like a lock request was withdrawn. */
spin_unlock(&vnode->lock);
diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index 5d9ef517cf81..e7e98ad63a91 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -161,8 +161,8 @@ responded:
}
}
- rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
- if (rtt_us < server->probe.rtt) {
+ if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) &&
+ rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
server->rtt = rtt_us;
alist->preferred = index;
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index acb4d0ca2649..1d95ed9dd86e 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -320,7 +320,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
call->tmp_u = htonl(0);
afs_extract_to_tmp(call);
}
- /* Fall through */
+ fallthrough;
/* extract the returned data length */
case 1:
@@ -348,7 +348,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
call->bvec[0].bv_page = req->pages[req->index];
iov_iter_bvec(&call->def_iter, READ, call->bvec, 1, size);
ASSERTCMP(size, <=, PAGE_SIZE);
- /* Fall through */
+ fallthrough;
/* extract the returned data */
case 2:
@@ -375,7 +375,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
/* Discard any excess data the server gave us */
afs_extract_discard(call, req->actual_len - req->len);
call->unmarshall = 3;
- /* Fall through */
+ fallthrough;
case 3:
_debug("extract discard %zu/%llu",
@@ -388,7 +388,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
no_more_data:
call->unmarshall = 4;
afs_extract_to_buf(call, (21 + 3 + 6) * 4);
- /* Fall through */
+ fallthrough;
/* extract the metadata */
case 4:
@@ -1343,7 +1343,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
case 0:
call->unmarshall++;
afs_extract_to_buf(call, 12 * 4);
- /* Fall through */
+ fallthrough;
/* extract the returned status record */
case 1:
@@ -1356,7 +1356,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
xdr_decode_AFSFetchVolumeStatus(&bp, &op->volstatus.vs);
call->unmarshall++;
afs_extract_to_tmp(call);
- /* Fall through */
+ fallthrough;
/* extract the volume name length */
case 2:
@@ -1371,7 +1371,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the volume name */
case 3:
@@ -1385,7 +1385,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
_debug("volname '%s'", p);
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the offline message length */
case 4:
@@ -1400,7 +1400,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the offline message */
case 5:
@@ -1415,7 +1415,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the message of the day length */
case 6:
@@ -1430,7 +1430,7 @@ static int afs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the message of the day */
case 7:
@@ -1682,7 +1682,7 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call)
case 0:
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the capabilities word count */
case 1:
@@ -1696,7 +1696,7 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call)
call->count2 = count;
afs_extract_discard(call, count * sizeof(__be32));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract capabilities words */
case 2:
@@ -1776,7 +1776,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
case 0:
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the file status count and array in two steps */
case 1:
@@ -1794,7 +1794,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->unmarshall++;
more_counts:
afs_extract_to_buf(call, 21 * sizeof(__be32));
- /* Fall through */
+ fallthrough;
case 2:
_debug("extract status array %u", call->count);
@@ -1824,7 +1824,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->count = 0;
call->unmarshall++;
afs_extract_to_tmp(call);
- /* Fall through */
+ fallthrough;
/* Extract the callback count and array in two steps */
case 3:
@@ -1841,7 +1841,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->unmarshall++;
more_cbs:
afs_extract_to_buf(call, 3 * sizeof(__be32));
- /* Fall through */
+ fallthrough;
case 4:
_debug("extract CB array");
@@ -1870,7 +1870,7 @@ static int afs_deliver_fs_inline_bulk_status(struct afs_call *call)
afs_extract_to_buf(call, 6 * sizeof(__be32));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 5:
ret = afs_extract_data(call, false);
@@ -1974,7 +1974,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call)
case 0:
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the returned data length */
case 1:
@@ -1992,7 +1992,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call)
acl->size = call->count2;
afs_extract_begin(call, acl->data, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the returned data */
case 2:
@@ -2002,7 +2002,7 @@ static int afs_deliver_fs_fetch_acl(struct afs_call *call)
afs_extract_to_buf(call, (21 + 6) * 4);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the metadata */
case 3:
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 792ac711985e..18042b7dab6a 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -401,22 +401,24 @@ struct afs_vlserver {
#define AFS_VLSERVER_FL_PROBED 0 /* The VL server has been probed */
#define AFS_VLSERVER_FL_PROBING 1 /* VL server is being probed */
#define AFS_VLSERVER_FL_IS_YFS 2 /* Server is YFS not AFS */
+#define AFS_VLSERVER_FL_RESPONDING 3 /* VL server is responding */
rwlock_t lock; /* Lock on addresses */
atomic_t usage;
+ unsigned int rtt; /* Server's current RTT in uS */
/* Probe state */
wait_queue_head_t probe_wq;
atomic_t probe_outstanding;
spinlock_t probe_lock;
struct {
- unsigned int rtt; /* RTT as ktime/64 */
+ unsigned int rtt; /* RTT in uS */
u32 abort_code;
short error;
- bool have_result;
- bool responded:1;
- bool is_yfs:1;
- bool not_yfs:1;
- bool local_failure:1;
+ unsigned short flags;
+#define AFS_VLSERVER_PROBE_RESPONDED 0x01 /* At least once response (may be abort) */
+#define AFS_VLSERVER_PROBE_IS_YFS 0x02 /* The peer appears to be YFS */
+#define AFS_VLSERVER_PROBE_NOT_YFS 0x04 /* The peer appears not to be YFS */
+#define AFS_VLSERVER_PROBE_LOCAL_FAILURE 0x08 /* A local failure prevented a probe */
} probe;
u16 port;
diff --git a/fs/afs/misc.c b/fs/afs/misc.c
index 5334f1bd2bca..1d1a8debe472 100644
--- a/fs/afs/misc.c
+++ b/fs/afs/misc.c
@@ -120,42 +120,42 @@ void afs_prioritise_error(struct afs_error *e, int error, u32 abort_code)
if (e->error == -ETIMEDOUT ||
e->error == -ETIME)
return;
- /* Fall through */
+ fallthrough;
case -ETIMEDOUT:
case -ETIME:
if (e->error == -ENOMEM ||
e->error == -ENONET)
return;
- /* Fall through */
+ fallthrough;
case -ENOMEM:
case -ENONET:
if (e->error == -ERFKILL)
return;
- /* Fall through */
+ fallthrough;
case -ERFKILL:
if (e->error == -EADDRNOTAVAIL)
return;
- /* Fall through */
+ fallthrough;
case -EADDRNOTAVAIL:
if (e->error == -ENETUNREACH)
return;
- /* Fall through */
+ fallthrough;
case -ENETUNREACH:
if (e->error == -EHOSTUNREACH)
return;
- /* Fall through */
+ fallthrough;
case -EHOSTUNREACH:
if (e->error == -EHOSTDOWN)
return;
- /* Fall through */
+ fallthrough;
case -EHOSTDOWN:
if (e->error == -ECONNREFUSED)
return;
- /* Fall through */
+ fallthrough;
case -ECONNREFUSED:
if (e->error == -ECONNRESET)
return;
- /* Fall through */
+ fallthrough;
case -ECONNRESET: /* Responded, but call expired. */
if (e->responded)
return;
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index e817fc740ba0..e8babb62ed44 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -310,6 +310,11 @@ static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v)
alist->preferred == i ? '>' : '-',
&alist->addrs[i].transport);
}
+ seq_printf(m, " info: fl=%lx rtt=%d\n", vlserver->flags, vlserver->rtt);
+ seq_printf(m, " probe: fl=%x e=%d ac=%d out=%d\n",
+ vlserver->probe.flags, vlserver->probe.error,
+ vlserver->probe.abort_code,
+ atomic_read(&vlserver->probe_outstanding));
return 0;
}
diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c
index 6a0935cb822f..d83f13c44b92 100644
--- a/fs/afs/rotate.c
+++ b/fs/afs/rotate.c
@@ -281,7 +281,7 @@ bool afs_select_fileserver(struct afs_operation *op)
case -ETIME:
if (op->error != -EDESTADDRREQ)
goto iterate_address;
- /* Fall through */
+ fallthrough;
case -ERFKILL:
case -EADDRNOTAVAIL:
case -ENETUNREACH:
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 8fc8fb406a5a..8be709cb8542 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -568,7 +568,7 @@ static void afs_deliver_to_call(struct afs_call *call)
case -EIO:
pr_err("kAFS: Call %u in bad state %u\n",
call->debug_id, state);
- /* Fall through */
+ fallthrough;
case -ENODATA:
case -EBADMSG:
case -EMSGSIZE:
@@ -669,7 +669,7 @@ long afs_wait_for_call_to_complete(struct afs_call *call,
ret = call->ret0;
call->ret0 = 0;
- /* Fall through */
+ fallthrough;
case -ECONNABORTED:
ac->responded = true;
break;
@@ -872,7 +872,7 @@ void afs_send_empty_reply(struct afs_call *call)
_debug("oom");
rxrpc_kernel_abort_call(net->socket, call->rxcall,
RX_USER_ABORT, -ENOMEM, "KOO");
- /* Fall through */
+ fallthrough;
default:
_leave(" [error]");
return;
diff --git a/fs/afs/vl_list.c b/fs/afs/vl_list.c
index 8fea54eba0c2..38b2ba1d9ec0 100644
--- a/fs/afs/vl_list.c
+++ b/fs/afs/vl_list.c
@@ -21,6 +21,7 @@ struct afs_vlserver *afs_alloc_vlserver(const char *name, size_t name_len,
rwlock_init(&vlserver->lock);
init_waitqueue_head(&vlserver->probe_wq);
spin_lock_init(&vlserver->probe_lock);
+ vlserver->rtt = UINT_MAX;
vlserver->name_len = name_len;
vlserver->port = port;
memcpy(vlserver->name, name, name_len);
diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c
index e3aa013c2177..d1c7068b4346 100644
--- a/fs/afs/vl_probe.c
+++ b/fs/afs/vl_probe.c
@@ -11,15 +11,33 @@
#include "internal.h"
#include "protocol_yfs.h"
-static bool afs_vl_probe_done(struct afs_vlserver *server)
+
+/*
+ * Handle the completion of a set of probes.
+ */
+static void afs_finished_vl_probe(struct afs_vlserver *server)
{
- if (!atomic_dec_and_test(&server->probe_outstanding))
- return false;
+ if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) {
+ server->rtt = UINT_MAX;
+ clear_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags);
+ }
- wake_up_var(&server->probe_outstanding);
clear_bit_unlock(AFS_VLSERVER_FL_PROBING, &server->flags);
wake_up_bit(&server->flags, AFS_VLSERVER_FL_PROBING);
- return true;
+}
+
+/*
+ * Handle the completion of a probe RPC call.
+ */
+static void afs_done_one_vl_probe(struct afs_vlserver *server, bool wake_up)
+{
+ if (atomic_dec_and_test(&server->probe_outstanding)) {
+ afs_finished_vl_probe(server);
+ wake_up = true;
+ }
+
+ if (wake_up)
+ wake_up_all(&server->probe_wq);
}
/*
@@ -45,15 +63,20 @@ void afs_vlserver_probe_result(struct afs_call *call)
server->probe.error = 0;
goto responded;
case -ECONNABORTED:
- if (!server->probe.responded) {
+ if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) {
server->probe.abort_code = call->abort_code;
server->probe.error = ret;
}
goto responded;
case -ENOMEM:
case -ENONET:
- server->probe.local_failure = true;
- afs_io_error(call, afs_io_error_vl_probe_fail);
+ case -EKEYEXPIRED:
+ case -EKEYREVOKED:
+ case -EKEYREJECTED:
+ server->probe.flags |= AFS_VLSERVER_PROBE_LOCAL_FAILURE;
+ if (server->probe.error == 0)
+ server->probe.error = ret;
+ trace_afs_io_error(call->debug_id, ret, afs_io_error_vl_probe_fail);
goto out;
case -ECONNRESET: /* Responded, but call expired. */
case -ERFKILL:
@@ -67,12 +90,12 @@ void afs_vlserver_probe_result(struct afs_call *call)
default:
clear_bit(index, &alist->responded);
set_bit(index, &alist->failed);
- if (!server->probe.responded &&
+ if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) &&
(server->probe.error == 0 ||
server->probe.error == -ETIMEDOUT ||
server->probe.error == -ETIME))
server->probe.error = ret;
- afs_io_error(call, afs_io_error_vl_probe_fail);
+ trace_afs_io_error(call->debug_id, ret, afs_io_error_vl_probe_fail);
goto out;
}
@@ -81,39 +104,36 @@ responded:
clear_bit(index, &alist->failed);
if (call->service_id == YFS_VL_SERVICE) {
- server->probe.is_yfs = true;
+ server->probe.flags |= AFS_VLSERVER_PROBE_IS_YFS;
set_bit(AFS_VLSERVER_FL_IS_YFS, &server->flags);
alist->addrs[index].srx_service = call->service_id;
} else {
- server->probe.not_yfs = true;
- if (!server->probe.is_yfs) {
+ server->probe.flags |= AFS_VLSERVER_PROBE_NOT_YFS;
+ if (!(server->probe.flags & AFS_VLSERVER_PROBE_IS_YFS)) {
clear_bit(AFS_VLSERVER_FL_IS_YFS, &server->flags);
alist->addrs[index].srx_service = call->service_id;
}
}
- rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
- if (rtt_us < server->probe.rtt) {
+ if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) &&
+ rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
+ server->rtt = rtt_us;
alist->preferred = index;
- have_result = true;
}
smp_wmb(); /* Set rtt before responded. */
- server->probe.responded = true;
+ server->probe.flags |= AFS_VLSERVER_PROBE_RESPONDED;
set_bit(AFS_VLSERVER_FL_PROBED, &server->flags);
+ set_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags);
+ have_result = true;
out:
spin_unlock(&server->probe_lock);
_debug("probe [%u][%u] %pISpc rtt=%u ret=%d",
server_index, index, &alist->addrs[index].transport, rtt_us, ret);
- have_result |= afs_vl_probe_done(server);
- if (have_result) {
- server->probe.have_result = true;
- wake_up_var(&server->probe.have_result);
- wake_up_all(&server->probe_wq);
- }
+ afs_done_one_vl_probe(server, have_result);
}
/*
@@ -151,11 +171,10 @@ static bool afs_do_probe_vlserver(struct afs_net *net,
in_progress = true;
} else {
afs_prioritise_error(_e, PTR_ERR(call), ac.abort_code);
+ afs_done_one_vl_probe(server, false);
}
}
- if (!in_progress)
- afs_vl_probe_done(server);
return in_progress;
}
@@ -193,7 +212,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist,
{
struct wait_queue_entry *waits;
struct afs_vlserver *server;
- unsigned int rtt = UINT_MAX;
+ unsigned int rtt = UINT_MAX, rtt_s;
bool have_responders = false;
int pref = -1, i;
@@ -205,7 +224,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist,
server = vllist->servers[i].server;
if (!test_bit(AFS_VLSERVER_FL_PROBING, &server->flags))
__clear_bit(i, &untried);
- if (server->probe.responded)
+ if (server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)
have_responders = true;
}
}
@@ -231,7 +250,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist,
for (i = 0; i < vllist->nr_servers; i++) {
if (test_bit(i, &untried)) {
server = vllist->servers[i].server;
- if (server->probe.responded)
+ if (server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)
goto stop;
if (test_bit(AFS_VLSERVER_FL_PROBING, &server->flags))
still_probing = true;
@@ -249,10 +268,11 @@ stop:
for (i = 0; i < vllist->nr_servers; i++) {
if (test_bit(i, &untried)) {
server = vllist->servers[i].server;
- if (server->probe.responded &&
- server->probe.rtt < rtt) {
+ rtt_s = READ_ONCE(server->rtt);
+ if (test_bit(AFS_VLSERVER_FL_RESPONDING, &server->flags) &&
+ rtt_s < rtt) {
pref = i;
- rtt = server->probe.rtt;
+ rtt = rtt_s;
}
remove_wait_queue(&server->probe_wq, &waits[i]);
diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c
index f405ca8b240a..c0458c903b31 100644
--- a/fs/afs/vl_rotate.c
+++ b/fs/afs/vl_rotate.c
@@ -192,7 +192,8 @@ pick_server:
for (i = 0; i < vc->server_list->nr_servers; i++) {
struct afs_vlserver *s = vc->server_list->servers[i].server;
- if (!test_bit(i, &vc->untried) || !s->probe.responded)
+ if (!test_bit(i, &vc->untried) ||
+ !test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags))
continue;
if (s->probe.rtt < rtt) {
vc->index = i;
@@ -262,10 +263,14 @@ no_more_servers:
for (i = 0; i < vc->server_list->nr_servers; i++) {
struct afs_vlserver *s = vc->server_list->servers[i].server;
+ if (test_bit(AFS_VLSERVER_FL_RESPONDING, &s->flags))
+ e.responded = true;
afs_prioritise_error(&e, READ_ONCE(s->probe.error),
s->probe.abort_code);
}
+ error = e.error;
+
failed_set_error:
vc->error = error;
failed:
diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c
index fd82850cd424..dc9327332f06 100644
--- a/fs/afs/vlclient.c
+++ b/fs/afs/vlclient.c
@@ -196,7 +196,7 @@ static int afs_deliver_vl_get_addrs_u(struct afs_call *call)
/* Extract the returned uuid, uniquifier, nentries and
* blkaddrs size */
- /* Fall through */
+ fallthrough;
case 1:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -221,7 +221,7 @@ static int afs_deliver_vl_get_addrs_u(struct afs_call *call)
count = min(call->count, 4U);
afs_extract_to_buf(call, count * sizeof(__be32));
- /* Fall through - and extract entries */
+ fallthrough; /* and extract entries */
case 2:
ret = afs_extract_data(call, call->count > 4);
if (ret < 0)
@@ -324,7 +324,7 @@ static int afs_deliver_vl_get_capabilities(struct afs_call *call)
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through - and extract the capabilities word count */
+ fallthrough; /* and extract the capabilities word count */
case 1:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -337,7 +337,7 @@ static int afs_deliver_vl_get_capabilities(struct afs_call *call)
call->unmarshall++;
afs_extract_discard(call, count * sizeof(__be32));
- /* Fall through - and extract capabilities words */
+ fallthrough; /* and extract capabilities words */
case 2:
ret = afs_extract_data(call, false);
if (ret < 0)
@@ -436,7 +436,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
/* Extract the returned uuid, uniquifier, fsEndpoints count and
* either the first fsEndpoint type or the volEndpoints
* count if there are no fsEndpoints. */
- /* Fall through */
+ fallthrough;
case 1:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -475,7 +475,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
afs_extract_to_buf(call, size);
call->unmarshall = 2;
- /* Fall through - and extract fsEndpoints[] entries */
+ fallthrough; /* and extract fsEndpoints[] entries */
case 2:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -526,7 +526,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
* extract the type of the next endpoint when we extract the
* data of the current one, but this is the first...
*/
- /* Fall through */
+ fallthrough;
case 3:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -552,7 +552,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
afs_extract_to_buf(call, size);
call->unmarshall = 4;
- /* Fall through - and extract volEndpoints[] entries */
+ fallthrough; /* and extract volEndpoints[] entries */
case 4:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -587,7 +587,7 @@ static int afs_deliver_yfsvl_get_endpoints(struct afs_call *call)
afs_extract_discard(call, 0);
call->unmarshall = 5;
- /* Fall through - Done */
+ fallthrough; /* Done */
case 5:
ret = afs_extract_data(call, false);
if (ret < 0)
@@ -663,7 +663,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call)
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through - and extract the cell name length */
+ fallthrough; /* and extract the cell name length */
case 1:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -685,7 +685,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call)
afs_extract_begin(call, cell_name, namesz);
call->unmarshall++;
- /* Fall through - and extract cell name */
+ fallthrough; /* and extract cell name */
case 2:
ret = afs_extract_data(call, true);
if (ret < 0)
@@ -694,7 +694,7 @@ static int afs_deliver_yfsvl_get_cell_name(struct afs_call *call)
afs_extract_discard(call, call->count2);
call->unmarshall++;
- /* Fall through - and extract padding */
+ fallthrough; /* and extract padding */
case 3:
ret = afs_extract_data(call, false);
if (ret < 0)
diff --git a/fs/afs/write.c b/fs/afs/write.c
index a121c247d95a..4b2265cb1891 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -609,7 +609,7 @@ no_more:
default:
pr_notice("kAFS: Unexpected error from FS.StoreData %d\n", ret);
- /* Fall through */
+ fallthrough;
case -EACCES:
case -EPERM:
case -ENOKEY:
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index 8c24fdc899e3..3b1239b7e90d 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -373,7 +373,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
req->offset = req->pos & (PAGE_SIZE - 1);
afs_extract_to_tmp64(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the returned data length */
case 1:
@@ -401,7 +401,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
call->bvec[0].bv_page = req->pages[req->index];
iov_iter_bvec(&call->def_iter, READ, call->bvec, 1, size);
ASSERTCMP(size, <=, PAGE_SIZE);
- /* Fall through */
+ fallthrough;
/* extract the returned data */
case 2:
@@ -428,7 +428,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
/* Discard any excess data the server gave us */
afs_extract_discard(call, req->actual_len - req->len);
call->unmarshall = 3;
- /* Fall through */
+ fallthrough;
case 3:
_debug("extract discard %zu/%llu",
@@ -444,7 +444,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
sizeof(struct yfs_xdr_YFSFetchStatus) +
sizeof(struct yfs_xdr_YFSCallBack) +
sizeof(struct yfs_xdr_YFSVolSync));
- /* Fall through */
+ fallthrough;
/* extract the metadata */
case 4:
@@ -461,7 +461,7 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
req->file_size = vp->scb.status.size;
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 5:
break;
@@ -1262,7 +1262,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
case 0:
call->unmarshall++;
afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchVolumeStatus));
- /* Fall through */
+ fallthrough;
/* extract the returned status record */
case 1:
@@ -1275,7 +1275,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
xdr_decode_YFSFetchVolumeStatus(&bp, &op->volstatus.vs);
call->unmarshall++;
afs_extract_to_tmp(call);
- /* Fall through */
+ fallthrough;
/* extract the volume name length */
case 2:
@@ -1290,7 +1290,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the volume name */
case 3:
@@ -1304,7 +1304,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
_debug("volname '%s'", p);
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the offline message length */
case 4:
@@ -1319,7 +1319,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the offline message */
case 5:
@@ -1334,7 +1334,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the message of the day length */
case 6:
@@ -1349,7 +1349,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
size = (call->count + 3) & ~3; /* It's padded */
afs_extract_to_buf(call, size);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the message of the day */
case 7:
@@ -1363,7 +1363,7 @@ static int yfs_deliver_fs_get_volume_status(struct afs_call *call)
_debug("motd '%s'", p);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 8:
break;
@@ -1622,7 +1622,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
case 0:
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the file status count and array in two steps */
case 1:
@@ -1640,7 +1640,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->unmarshall++;
more_counts:
afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSFetchStatus));
- /* Fall through */
+ fallthrough;
case 2:
_debug("extract status array %u", call->count);
@@ -1670,7 +1670,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->count = 0;
call->unmarshall++;
afs_extract_to_tmp(call);
- /* Fall through */
+ fallthrough;
/* Extract the callback count and array in two steps */
case 3:
@@ -1687,7 +1687,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
call->unmarshall++;
more_cbs:
afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSCallBack));
- /* Fall through */
+ fallthrough;
case 4:
_debug("extract CB array");
@@ -1716,7 +1716,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
afs_extract_to_buf(call, sizeof(struct yfs_xdr_YFSVolSync));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 5:
ret = afs_extract_data(call, false);
@@ -1727,7 +1727,7 @@ static int yfs_deliver_fs_inline_bulk_status(struct afs_call *call)
xdr_decode_YFSVolSync(&bp, &op->volsync);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 6:
break;
@@ -1804,7 +1804,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
case 0:
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the file ACL length */
case 1:
@@ -1826,7 +1826,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
afs_extract_discard(call, size);
}
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the file ACL */
case 2:
@@ -1836,7 +1836,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
afs_extract_to_tmp(call);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the volume ACL length */
case 3:
@@ -1858,7 +1858,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
afs_extract_discard(call, size);
}
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* Extract the volume ACL */
case 4:
@@ -1871,7 +1871,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
sizeof(struct yfs_xdr_YFSFetchStatus) +
sizeof(struct yfs_xdr_YFSVolSync));
call->unmarshall++;
- /* Fall through */
+ fallthrough;
/* extract the metadata */
case 5:
@@ -1886,7 +1886,7 @@ static int yfs_deliver_fs_fetch_opaque_acl(struct afs_call *call)
xdr_decode_YFSVolSync(&bp, &op->volsync);
call->unmarshall++;
- /* Fall through */
+ fallthrough;
case 6:
break;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-28 23:58:40 +0000