linux-kernel - [PATCH 1/2] f2fs: do not recover i

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Date:   Thu, 17 Nov 2016 15:29:57 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/2] f2fs: do not recover i_size if it's valid

If i_size is already valid during roll_forward recovery, we should not update
it according to the block alignment.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/recovery.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 62523b2..687c176 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -425,7 +425,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 			continue;
 		}
 
-		if ((start + 1) << PAGE_SHIFT > i_size_read(inode))
+		if (i_size_read(inode) <= (start << PAGE_SHIFT))
 			f2fs_i_size_write(inode, (start + 1) << PAGE_SHIFT);
 
 		/*
-- 
2.8.3