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[XFS] fix, speedup and simplify atime handling let the VFS handle atime

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updates and only sync back to the xfs inode when nessecary

SGI-PV: 946679
SGI-Modid: xfs-linux-melb:xfs-kern:203362a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Christoph Hellwig 2006-01-11 15:35:17 +11:00 • committed by Nathan Scott
parent dd954c69d1
commit 42fe2b1f7f
8 changed files with 49 additions and 54 deletions
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19
fs/xfs/xfs_vnodeops.c
View file

@ -182,8 +182,8 @@ xfs_getattr(
break;
}
vap->va_atime.tv_sec = ip->i_d.di_atime.t_sec;
vap->va_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
/* atime is only kept uptodate in the Linux inode */
vap->va_atime = vp->v_inode.i_atime;
vap->va_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
vap->va_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
vap->va_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
@ -982,10 +982,6 @@ xfs_readlink(
goto error_return;
}
if (!(ioflags & IO_INVIS)) {
xfs_ichgtime(ip, XFS_ICHGTIME_ACC);
}
/*
* See if the symlink is stored inline.
*/
@ -3226,7 +3222,6 @@ xfs_readdir(
xfs_trans_t *tp = NULL;
int error = 0;
uint lock_mode;
xfs_off_t start_offset;
vn_trace_entry(BHV_TO_VNODE(dir_bdp), __FUNCTION__,
(inst_t *)__return_address);
@ -3237,11 +3232,7 @@ xfs_readdir(
}
lock_mode = xfs_ilock_map_shared(dp);
start_offset = uiop->uio_offset;
error = XFS_DIR_GETDENTS(dp->i_mount, tp, dp, uiop, eofp);
if (start_offset != uiop->uio_offset) {
xfs_ichgtime(dp, XFS_ICHGTIME_ACC);
}
xfs_iunlock_map_shared(dp, lock_mode);
return error;
}
@ -3819,6 +3810,12 @@ xfs_reclaim(
ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
/*
* Make sure the atime in the XFS inode is correct before freeing the
* Linux inode.
*/
xfs_synchronize_atime(ip);
/* If we have nothing to flush with this inode then complete the
* teardown now, otherwise break the link between the xfs inode
* and the linux inode and clean up the xfs inode later. This