Commit 4a6de50d authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: use PGP_LOCK to check its truncation 



Previously, after trylock_page is succeeded, it doesn't check its mapping.
In order to fix that, we can just give PGP_LOCK to pagecache_get_page.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 675f10bd

fs/f2fs/node.c

+2 −7
Original line number Diff line number Diff line
@@ -1202,13 +1202,10 @@ static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino) 
	if (!inode)

		return;



	page = pagecache_get_page(inode->i_mapping, 0, FGP_NOWAIT, 0);

	page = pagecache_get_page(inode->i_mapping, 0, FGP_LOCK|FGP_NOWAIT, 0);

	if (!page)

		goto iput_out;



	if (!trylock_page(page))

		goto release_out;



	if (!PageUptodate(page))

		goto page_out;
@@ -1223,9 +1220,7 @@ static void flush_inline_data(struct f2fs_sb_info *sbi, nid_t ino) 
	else

		set_page_dirty(page);

page_out:

	unlock_page(page);

release_out:

	f2fs_put_page(page, 0);

	f2fs_put_page(page, 1);

iput_out:

	iput(inode);

}