Techwizz/kernel-fxtec-pro1x
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vfs: update ctime when changing the file's permission by setfacl

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generic_acl_set 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, vfs must update it.

Port of ext3 patch by Miao Xie <miaox@cn.fujitsu.com>.

CC: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Jan Kara 2010-08-17 12:42:13 +02:00 committed by Al Viro
parent b845ff8f3e
commit dad5eb6daa
1 changed files with 1 additions and 0 deletions
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fs/generic_acl.c
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@ -94,6 +94,7 @@ generic_acl_set(struct dentry *dentry, const char *name, const void *value,
if (error < 0)
goto failed;
inode->i_mode = mode;
inode->i_ctime = CURRENT_TIME;
if (error == 0) {
posix_acl_release(acl);
acl = NULL;