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authorNick Piggin <nickpiggin@yahoo.com.au>2006-01-08 01:02:19 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:13:48 -0800
commit095975da26dba21698582e91e96be10f7417333f (patch)
treece1ffac556d394ef56a18faa97d38f79b07f31e2 /fs/aio.c
parenta57004e1afb6ee03c509f1b1ec74a000682ab93b (diff)
downloadlwn-095975da26dba21698582e91e96be10f7417333f.tar.gz
lwn-095975da26dba21698582e91e96be10f7417333f.zip
[PATCH] rcu file: use atomic primitives
Use atomic_inc_not_zero for rcu files instead of special case rcuref. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 5a28b69ad223..aec2b1916d1b 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -29,7 +29,6 @@
#include <linux/highmem.h>
#include <linux/workqueue.h>
#include <linux/security.h>
-#include <linux/rcuref.h>
#include <asm/kmap_types.h>
#include <asm/uaccess.h>
@@ -514,7 +513,7 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req)
/* Must be done under the lock to serialise against cancellation.
* Call this aio_fput as it duplicates fput via the fput_work.
*/
- if (unlikely(rcuref_dec_and_test(&req->ki_filp->f_count))) {
+ if (unlikely(atomic_dec_and_test(&req->ki_filp->f_count))) {
get_ioctx(ctx);
spin_lock(&fput_lock);
list_add(&req->ki_list, &fput_head);