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Simplify time handling logic in zfs_settattr

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Simplify time handling in zfs_setattr by mimicking the logic in
setattr_copy from the linux kernel. In order to achieve this
in the case when ZFS' log is being replayed it is necessary
to unconditionally set the ctime in zfs_replay_setattr.

Also use the timespec_trunc function when assigning values to the
generic inode struct. This is currently a noop since zfs sets
s_time_gran to 1, however in the future rules about precision might
change.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com>
Closes #4916
This commit is contained in:
Nikolay Borisov
2016-09-12 22:35:56 +03:00
committed by Brian Behlendorf
parent 9f5f0019ab
commit 87f9371aef
3 changed files with 19 additions and 19 deletions
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module/zfs/zfs_replay.c
+2
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@@ -805,6 +805,8 @@ zfs_replay_setattr(zfs_sb_t *zsb, lr_setattr_t *lr, boolean_t byteswap)
vap->va_size = lr->lr_size;
ZFS_TIME_DECODE(&vap->va_atime, lr->lr_atime);
ZFS_TIME_DECODE(&vap->va_mtime, lr->lr_mtime);
gethrestime(&vap->va_ctime);
vap->va_mask |= ATTR_CTIME;
/*
* Fill in xvattr_t portions if necessary.