On 12/15/2010 10:49 AM, Miklos Szeredi wrote:
From: Miklos Szeredi<mszeredi@xxxxxxx>
This function basically does:
remove_from_page_cache(old);
page_cache_release(old);
add_to_page_cache_locked(new);
Except it does this atomically, so there's no possibility for the
"add" to fail because of a race.
This is used by fuse to move pages into the page cache.
Signed-off-by: Miklos Szeredi<mszeredi@xxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxx>
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