diff options
author | jeff <jeff@FreeBSD.org> | 2002-08-04 10:29:36 +0000 |
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committer | jeff <jeff@FreeBSD.org> | 2002-08-04 10:29:36 +0000 |
commit | 02517b6731ab2da44ce9b49260429744cf0114d5 (patch) | |
tree | e889f56910bf98cbee3be239655a9e4bbb928b2e /sys/fs/hpfs/hpfs_vnops.c | |
parent | a03ca02ee99a255a2c14a75ff8eb488960b13ea7 (diff) | |
download | FreeBSD-src-02517b6731ab2da44ce9b49260429744cf0114d5.zip FreeBSD-src-02517b6731ab2da44ce9b49260429744cf0114d5.tar.gz |
- Replace v_flag with v_iflag and v_vflag
- v_vflag is protected by the vnode lock and is used when synchronization
with VOP calls is needed.
- v_iflag is protected by interlock and is used for dealing with vnode
management issues. These flags include X/O LOCK, FREE, DOOMED, etc.
- All accesses to v_iflag and v_vflag have either been locked or marked with
mp_fixme's.
- Many ASSERT_VOP_LOCKED calls have been added where the locking was not
clear.
- Many functions in vfs_subr.c were restructured to provide for stronger
locking.
Idea stolen from: BSD/OS
Diffstat (limited to 'sys/fs/hpfs/hpfs_vnops.c')
-rw-r--r-- | sys/fs/hpfs/hpfs_vnops.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/fs/hpfs/hpfs_vnops.c b/sys/fs/hpfs/hpfs_vnops.c index 827b297..c9d6379 100644 --- a/sys/fs/hpfs/hpfs_vnops.c +++ b/sys/fs/hpfs/hpfs_vnops.c @@ -107,10 +107,13 @@ loop: (void) bwrite(bp); goto loop; } + VI_LOCK(vp); while (vp->v_numoutput) { - vp->v_flag |= VBWAIT; - (void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "hpfsn", 0); + vp->v_iflag |= VI_BWAIT; + msleep((caddr_t)&vp->v_numoutput, VI_MTX(vp), PRIBIO + 1, + "hpfsn", 0); } + VI_UNLOCK(vp); #ifdef DIAGNOSTIC if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) { vprint("hpfs_fsync: dirty", vp); |