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Subject[PATCH v7 07/13] 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>
---
fs/xfs/xfs_iops.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 731f45391baa..72d18e7840f5 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1037,6 +1037,7 @@ xfs_vn_update_time(
int log_flags = XFS_ILOG_TIMESTAMP;
struct xfs_trans *tp;
int error;
+ struct timespec64 now = current_time(inode);

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);
--
2.41.0

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