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xfs: have xfs_vn_update_time gets its own timestamp 

In later patches we're going to drop the "now" parameter from the
update_time operation. Prepare XFS for this by reworking how it fetches
timestamps and sets them in the inode. Ensure that we update the ctime
even if only S_MTIME is set.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Acked-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230807-mgctime-v7-7-d1dec143a704@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jeff Layton 2023-08-07 15:38:38 -04:00 committed by Christian Brauner
parent 6f4aaee3fa
commit 51b0f3ebdb
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 9 additions and 5 deletions
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14
fs/xfs/xfs_iops.c
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@ -1029,7 +1029,7 @@ xfs_vn_setattr(
STATIC int
xfs_vn_update_time(
struct inode *inode,
struct timespec64 *now,
struct timespec64 *time,
int flags)
{
struct xfs_inode *ip = XFS_I(inode);
@ -1037,6 +1037,7 @@ xfs_vn_update_time(
int log_flags = XFS_ILOG_TIMESTAMP;
struct xfs_trans *tp;
int error;
struct timespec64 now;
trace_xfs_update_time(ip);
@ -1056,12 +1057,15 @@ xfs_vn_update_time(
return error;
xfs_ilock(ip, XFS_ILOCK_EXCL);
if (flags & S_CTIME)
inode_set_ctime_to_ts(inode, *now);
if (flags & (S_CTIME|S_MTIME))
now = inode_set_ctime_current(inode);
else
now = current_time(inode);
if (flags & S_MTIME)
inode->i_mtime = *now;
inode->i_mtime = now;
if (flags & S_ATIME)
inode->i_atime = *now;
inode->i_atime = now;
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_log_inode(tp, ip, log_flags);