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ext4: fix lazytime optimization 

We had a fencepost error in the lazytime optimization which means that
timestamp would get written to the wrong inode.

Cc: stable@vger.kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2015-05-14 18:19:01 -04:00
parent 5ebe6afaf0
commit 8f4d855839
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/inode.c
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@ -4345,7 +4345,7 @@ static void ext4_update_other_inodes_time(struct super_block *sb,
int inode_size = EXT4_INODE_SIZE(sb);
oi.orig_ino = orig_ino;
ino = orig_ino & ~(inodes_per_block - 1);
ino = (orig_ino & ~(inodes_per_block - 1)) + 1;
for (i = 0; i < inodes_per_block; i++, ino++, buf += inode_size) {
if (ino == orig_ino)
continue;