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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-17 13:43:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-17 13:43:55 -0700 |
| commit | 61f98b0fca802d7e0191072606519e2230a6226d (patch) | |
| tree | 2f6d5f85ea21042c0299e6204c9a99f3a7172279 /fs/lockd/svclock.c | |
| parent | c0d15cc7ee8c0d1970197d9eb1727503bcdd2471 (diff) | |
| parent | b2781e1021525649c0b33fffd005ef219da33926 (diff) | |
| download | lwn-61f98b0fca802d7e0191072606519e2230a6226d.tar.gz lwn-61f98b0fca802d7e0191072606519e2230a6226d.zip | |
Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linux
Pull nfsd bugfixes from Bruce Fields:
"Just three minor bugfixes"
* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
svcrdma: underflow issue in decode_write_list()
nfsd4: fix minorversion support interface
lockd: protect nlm_blocked access in nlmsvc_retry_blocked
Diffstat (limited to 'fs/lockd/svclock.c')
| -rw-r--r-- | fs/lockd/svclock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c index 067778b0ccc9..e066a3902973 100644 --- a/fs/lockd/svclock.c +++ b/fs/lockd/svclock.c @@ -951,6 +951,7 @@ nlmsvc_retry_blocked(void) unsigned long timeout = MAX_SCHEDULE_TIMEOUT; struct nlm_block *block; + spin_lock(&nlm_blocked_lock); while (!list_empty(&nlm_blocked) && !kthread_should_stop()) { block = list_entry(nlm_blocked.next, struct nlm_block, b_list); @@ -960,6 +961,7 @@ nlmsvc_retry_blocked(void) timeout = block->b_when - jiffies; break; } + spin_unlock(&nlm_blocked_lock); dprintk("nlmsvc_retry_blocked(%p, when=%ld)\n", block, block->b_when); @@ -969,7 +971,9 @@ nlmsvc_retry_blocked(void) retry_deferred_block(block); } else nlmsvc_grant_blocked(block); + spin_lock(&nlm_blocked_lock); } + spin_unlock(&nlm_blocked_lock); return timeout; } |