ext4 didn't update the ctime of the file when its permission was changed.
Steps to reproduce:
# touch aaa
# stat -c %Z aaa
1275289822
# setfacl -m 'u::x,g::x,o::x' aaa
# stat -c %Z aaa
1275289822 <- unchanged
But, according to the spec of the ctime, ext4 must update it.
Port of ext3 patch by Miao Xie <miaox@xxxxxxxxxxxxxx>.
CC: linux-ext4@xxxxxxxxxxxxxxx
CC: tytso@xxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext4/acl.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index feaf498..5e2ed45 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -204,6 +204,7 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
return error;
else {
inode->i_mode = mode;
+ inode->i_ctime = ext4_current_time(inode);
ext4_mark_inode_dirty(handle, inode);
if (error == 0)
acl = NULL;
--
1.6.4.2
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