static int
devfs_spec_fsync(struct vop_fsync_args *ap)
{
struct vnode *vp = ap->a_vp;
int error;
if (!vn_isdisk(vp, NULL))
return (0);
/*
* Flush all dirty buffers associated with a block device.
*/
error = vfsync(vp, ap->a_waitfor, 10000, NULL, NULL);
return (error);
}
/*
* fsync is usually a NOP, but we must take action when unmounting or
* when recycling.
*/
static int
tmpfs_fsync(struct vop_fsync_args *v)
{
struct tmpfs_node *node;
struct vnode *vp = v->a_vp;
node = VP_TO_TMPFS_NODE(vp);
tmpfs_update(vp);
if (vp->v_type == VREG) {
if (vp->v_flag & VRECLAIMED) {
if (node->tn_links == 0)
tmpfs_truncate(vp, 0);
else
vfsync(v->a_vp, v->a_waitfor, 1, NULL, NULL);
}
}
return 0;
}
/* ARGSUSED */
static int
ffs_fsync(struct vop_fsync_args *ap)
{
struct vnode *vp = ap->a_vp;
int error;
if (vn_isdisk(vp, NULL))
if (vp->v_rdev && vp->v_rdev->si_mountpoint != NULL &&
(vp->v_rdev->si_mountpoint->mnt_flag & MNT_SOFTDEP))
softdep_fsync_mountdev(vp);
/*
* Flush all dirty buffers associated with a vnode.
*/
error = vfsync(vp, ap->a_waitfor, NIADDR + 1, ffs_checkdeferred,
softdep_sync_metadata);
if (error == 0)
error = ffs_update(vp, (ap->a_waitfor == MNT_WAIT));
return (error);
}
static int
flushvncache(struct vnode *vp, int waitfor)
{
struct puffs_node *pn = VPTOPP(vp);
struct vattr va;
int error = 0;
/* flush out information from our metacache, see vop_setattr */
if (pn->pn_stat & PNODE_METACACHE_MASK
&& (pn->pn_stat & PNODE_DYING) == 0) {
vattr_null(&va);
error = dosetattr(vp, &va, FSCRED, SETATTR_CHSIZE |
(waitfor == MNT_NOWAIT ? 0 : SETATTR_ASYNC));
if (error)
return error;
}
/*
* flush pages to avoid being overly dirty
*/
vfsync(vp, waitfor, 0, NULL, NULL);
return error;
}
/*
* hpfs_fsync(struct vnode *a_vp, int a_waitfor)
*/
static int
hpfs_fsync(struct vop_fsync_args *ap)
{
struct vnode *vp = ap->a_vp;
/*
* Flush all dirty buffers associated with a vnode.
*/
#ifdef DIAGNOSTIC
loop:
#endif
vfsync(vp, ap->a_waitfor, 0, NULL, NULL);
#ifdef DIAGNOSTIC
if (ap->a_waitfor == MNT_WAIT && !RB_EMPTY(&vp->v_rbdirty_tree)) {
vprint("hpfs_fsync: dirty", vp);
goto loop;
}
#endif
/*
* Write out the on-disc version of the vnode.
*/
return hpfs_update(VTOHP(vp));
}
