f2fs: avoid page allocation for truncating partial inline_data

When truncating cached inline_data, we don't need to allocate a new page
all the time. Instead, it must check its page cache only.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-09-06 15:55:54 -07:00
parent 68f313935f
commit 34b5d5c22d

View File

@ -523,7 +523,7 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
return 0;
if (cache_only) {
page = f2fs_grab_cache_page(mapping, index, false);
page = find_lock_page(mapping, index);
if (page && PageUptodate(page))
goto truncate_out;
f2fs_put_page(page, 1);