On Fri, Jun 22, 2018 at 2:25 PM Chengguang Xu <cgxu519@xxxxxxx> wrote:
>
> It's better to restore ctime as well in the case of restoring old mode
> in ceph_set_acl().
>
> Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
> ---
> fs/ceph/acl.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
> index eb9d567c9ef8..9fc51d882065 100644
> --- a/fs/ceph/acl.c
> +++ b/fs/ceph/acl.c
> @@ -101,6 +101,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
> const char *name = NULL;
> char *value = NULL;
> struct iattr newattrs;
> + struct timespec64 old_ctime = inode->i_ctime;
> umode_t new_mode = inode->i_mode, old_mode = inode->i_mode;
>
> switch (type) {
> @@ -154,6 +155,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
> ret = __ceph_setxattr(inode, name, value, size, 0);
> if (ret) {
> if (new_mode != old_mode) {
> + newattrs.ia_ctime = old_ctime;
> newattrs.ia_mode = old_mode;
> newattrs.ia_valid = ATTR_MODE;
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME
> __ceph_setattr(inode, &newattrs);
> --
> 2.17.1
>
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