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| author |   Peter Zijlstra <peterz@infradead.org> | 2016-11-14 17:29:48 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-01-14 11:37:18 +0100 |
| commit | 2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e (patch) | |
| tree | 4ccb975ac9142887b4e7e7bf1c0cca5c53d4cf99 /fs/ocfs2/dlm/dlmunlock.c | |
| parent | locking/atomic, kref: Add KREF_INIT() (diff) | |
| download | linux-dev-2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e.tar.xz linux-dev-2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e.zip | |
locking/atomic, kref: Add kref_read()
Since we need to change the implementation, stop exposing internals.
Provide kref_read() to read the current reference count; typically
used for debug messages.
Kills two anti-patterns:
atomic_read(&kref->refcount)
kref->refcount.counter
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | fs/ocfs2/dlm/dlmunlock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c index 1082b2c3014b..63d701cd1e2e 100644 --- a/fs/ocfs2/dlm/dlmunlock.c +++ b/fs/ocfs2/dlm/dlmunlock.c @@ -251,7 +251,7 @@ leave: mlog(0, "lock %u:%llu should be gone now! refs=%d\n", dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)), dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)), - atomic_read(&lock->lock_refs.refcount)-1); + kref_read(&lock->lock_refs)-1); dlm_lock_put(lock); } if (actions & DLM_UNLOCK_CALL_AST) |