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Grab a fix from 4.4BSD-Lite2: open(2) with O_FSYNC and MNT_SYNCHRONOUS

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had not effect.  Fix: check for either of these flags in vn_write(),
and pass IO_SYNC down if they're set.
This commit is contained in:
thorpej 1998-01-14 22:08:44 +00:00
parent de0a03db2e
commit 561056f2e2
1 changed files with 4 additions and 1 deletions
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5
sys/kern/vfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_vnops.c,v 1.23 1997/10/10 02:09:34 fvdl Exp $ */
/* $NetBSD: vfs_vnops.c,v 1.24 1998/01/14 22:08:44 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@ -380,6 +380,9 @@ vn_write(fp, uio, cred)
ioflag |= IO_APPEND;
if (fp->f_flag & FNONBLOCK)
ioflag |= IO_NDELAY;
if (fp->f_flag & FFSYNC ||
(vp->v_mount && (vp->v_mount->mnt_flag & MNT_SYNCHRONOUS)))
ioflag |= IO_SYNC;
VOP_LEASE(vp, uio->uio_procp, cred, LEASE_WRITE);
VOP_LOCK(vp);
uio->uio_offset = fp->f_offset;