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authorTheodore Ts'o <tytso@mit.edu>2015-05-14 18:19:01 -0400
committerTheodore Ts'o <tytso@mit.edu>2015-05-14 18:19:01 -0400
commit8f4d855839179f410fa910a26eb81d646d628f26 (patch)
treea3fd4e5b048b585cc5ecfa8713d1bce006d8b65a /fs
parent5ebe6afaf0057ac3eaeb98defd5456894b446d22 (diff)
downloadkernel-8f4d855839179f410fa910a26eb81d646d628f26.tar.gz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 55b187c3bac1..0554b0b5957b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -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;