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don't do any flush-behind for async mounts.

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this matches the traditional behaviour.
This commit is contained in:
chs 2001-10-03 05:02:46 +00:00
parent 0cfedcb2eb
commit 8b8f98cdbe
1 changed files with 4 additions and 2 deletions
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6
sys/ufs/ufs/ufs_readwrite.c
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@ -1,4 +1,4 @@
/* $NetBSD: ufs_readwrite.c,v 1.35 2001/09/30 02:50:35 chs Exp $ */
/* $NetBSD: ufs_readwrite.c,v 1.36 2001/10/03 05:02:46 chs Exp $ */
/*-
* Copyright (c) 1993
@ -205,6 +205,7 @@ WRITE(void *v)
int ubc_alloc_flags;
void *win;
vsize_t bytelen;
boolean_t async;
boolean_t usepc = FALSE;
cred = ap->a_cred;
@ -260,6 +261,7 @@ WRITE(void *v)
return (EFBIG);
}
async = vp->v_mount->mnt_flag & MNT_ASYNC;
resid = uio->uio_resid;
osize = ip->i_ffs_size;
bsize = fs->fs_bsize;
@ -352,7 +354,7 @@ WRITE(void *v)
* XXXUBC simplistic async flushing.
*/
if (oldoff >> 16 != uio->uio_offset >> 16) {
if (!async && oldoff >> 16 != uio->uio_offset >> 16) {
simple_lock(&vp->v_uobj.vmobjlock);
error = (vp->v_uobj.pgops->pgo_put)(&vp->v_uobj,
(oldoff >> 16) << 16, (uio->uio_offset >> 16) << 16,