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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
mm/truncate.c
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@ -187,7 +187,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
if (page_index > next)
next = page_index;
next++;
if (TestSetPageLocked(page))
if (!trylock_page(page))
continue;
if (PageWriteback(page)) {
unlock_page(page);
@ -280,7 +280,7 @@ unsigned long __invalidate_mapping_pages(struct address_space *mapping,
pgoff_t index;
int lock_failed;
lock_failed = TestSetPageLocked(page);
lock_failed = !trylock_page(page);
/*
* We really shouldn't be looking at the ->index of an