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Subject[PATCH v2] ceph: fix snapshot directory timestamps
The .snap directory timestamps are kept at 0 (1970-01-01 00:00), which
isn't consistent with what the fuse client does. This patch makes the
behaviour consistent, by setting these timestamps (atime, btime, ctime,
mtime) to those of the parent directory.

Cc: Marc Roos <M.Roos@f1-outsourcing.eu>
Signed-off-by: Luis Henriques <lhenriques@suse.com>
---
fs/ceph/inode.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index d01710a16a4a..968d55ca898d 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -82,10 +82,14 @@ struct inode *ceph_get_snapdir(struct inode *parent)
inode->i_mode = parent->i_mode;
inode->i_uid = parent->i_uid;
inode->i_gid = parent->i_gid;
+ inode->i_mtime = parent->i_mtime;
+ inode->i_ctime = parent->i_ctime;
+ inode->i_atime = parent->i_atime;
inode->i_op = &ceph_snapdir_iops;
inode->i_fop = &ceph_snapdir_fops;
ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */
ci->i_rbytes = 0;
+ ci->i_btime = ceph_inode(parent)->i_btime;

if (inode->i_state & I_NEW)
unlock_new_inode(inode);
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