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authorNick Piggin <npiggin@suse.de>2008-08-02 12:01:03 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-04 21:31:34 -0700
commit529ae9aaa08378cfe2a4350bded76f32cc8ff0ce (patch)
treed3ae998f9876c72a83a022805103a92111852b21 /fs/splice.c
parente9ba9698187ddbc0c5bfcf41de0349a662d23d02 (diff)
downloadop-kernel-dev-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.zip
op-kernel-dev-529ae9aaa08378cfe2a4350bded76f32cc8ff0ce.tar.gz
mm: rename page trylock
Converting page lock to new locking bitops requires a change of page flag operation naming, so we might as well convert it to something nicer (!TestSetPageLocked_Lock => trylock_page, SetPageLocked => set_page_locked). This also facilitates lockdeping of page lock. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/splice.c')
-rw-r--r--fs/splice.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/splice.c b/fs/splice.c
index b30311b..1bbc6f4 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -371,7 +371,7 @@ __generic_file_splice_read(struct file *in, loff_t *ppos,
* for an in-flight io page
*/
if (flags & SPLICE_F_NONBLOCK) {
- if (TestSetPageLocked(page)) {
+ if (!trylock_page(page)) {
error = -EAGAIN;
break;
}
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