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authorPeter Zijlstra <peterz@infradead.org>2016-11-14 17:29:48 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-14 11:37:18 +0100
commit2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e (patch)
tree4ccb975ac9142887b4e7e7bf1c0cca5c53d4cf99 /fs/ocfs2/dlm/dlmdomain.c
parentlocking/atomic, kref: Add KREF_INIT() (diff)
downloadlinux-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/dlmdomain.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 733e4e79c8e2..32fd261ae13d 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -2072,7 +2072,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain,
INIT_LIST_HEAD(&dlm->dlm_eviction_callbacks);
mlog(0, "context init: refcount %u\n",
- atomic_read(&dlm->dlm_refs.refcount));
+ kref_read(&dlm->dlm_refs));
leave:
if (ret < 0 && dlm) {