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mfs doesn't need fsync.

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This commit is contained in:
ad 2008-05-07 21:30:42 +00:00
parent 6231d15c35
commit 05b982d1c7
1 changed files with 2 additions and 34 deletions
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36
sys/ufs/mfs/mfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: mfs_vnops.c,v 1.50 2008/05/06 18:43:45 ad Exp $ */
/* $NetBSD: mfs_vnops.c,v 1.51 2008/05/07 21:30:42 ad Exp $ */
/*
* Copyright (c) 1989, 1993
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mfs_vnops.c,v 1.50 2008/05/06 18:43:45 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: mfs_vnops.c,v 1.51 2008/05/07 21:30:42 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -333,38 +333,6 @@ int
mfs_fsync(v)
void *v;
{
struct vop_fsync_args /* {
struct vnode *a_vp;
kauth_cred_t a_cred;
int a_flags;
off_t offlo;
off_t offhi;
} */ *ap = v;
struct vnode *syncvp = ap->a_vp;
struct mount *mp = syncvp->v_mount;
int asyncflag;
/*
* We only need to do something if this is a lazy evaluation.
*/
if (!(ap->a_flags & FSYNC_LAZY))
return (0);
/*
* Walk the list of vnodes pushing all that are dirty and
* not already on the sync list.
*/
if (vfs_busy(mp, NULL) == 0) {
VOP_UNLOCK(syncvp, 0);
mutex_enter(&mp->mnt_updating);
asyncflag = mp->mnt_flag & MNT_ASYNC;
mp->mnt_flag &= ~MNT_ASYNC;
VFS_SYNC(mp, MNT_LAZY, ap->a_cred);
if (asyncflag)
mp->mnt_flag |= MNT_ASYNC;
mutex_exit(&mp->mnt_updating);
vfs_unbusy(mp, false, NULL);
vn_lock(syncvp, LK_EXCLUSIVE | LK_RETRY);
}
return (0);
}