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>
This commit is contained in:
Nick Piggin
2008-08-02 12:01:03 +02:00
committed by Linus Torvalds
parent e9ba969818
commit 529ae9aaa0
20 changed files with 74 additions and 59 deletions

View File

@@ -675,7 +675,7 @@ xfs_probe_cluster(
} else
pg_offset = PAGE_CACHE_SIZE;
if (page->index == tindex && !TestSetPageLocked(page)) {
if (page->index == tindex && trylock_page(page)) {
pg_len = xfs_probe_page(page, pg_offset, mapped);
unlock_page(page);
}
@@ -759,7 +759,7 @@ xfs_convert_page(
if (page->index != tindex)
goto fail;
if (TestSetPageLocked(page))
if (!trylock_page(page))
goto fail;
if (PageWriteback(page))
goto fail_unlock_page;