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mm: rename page trylock

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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
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4
fs/jbd/commit.c
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@@ -63,7 +63,7 @@ static void release_buffer_page(struct buffer_head *bh)
goto nope;
/* OK, it's a truncated page */
if (TestSetPageLocked(page))
if (!trylock_page(page))
goto nope;
page_cache_get(page);
@@ -446,7 +446,7 @@ void journal_commit_transaction(journal_t *journal)
spin_lock(&journal->j_list_lock);
}
if (unlikely(!buffer_uptodate(bh))) {
if (TestSetPageLocked(bh->b_page)) {
if (!trylock_page(bh->b_page)) {
spin_unlock(&journal->j_list_lock);
lock_page(bh->b_page);
spin_lock(&journal->j_list_lock);