diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-11-01 12:28:32 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-11-12 23:00:41 +0000 |
| commit | 25809a018db3c9f3be838c10576d2bb070cc055a (patch) | |
| tree | 019303f09580e01d2169b9923f164841fdb0a694 /sys/ufs | |
| parent | 76b05e3e399133b59fc3e740cab9ae362358c9d6 (diff) | |
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ffs/ffs_vfsops.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/ufs/ffs/ffs_vfsops.c b/sys/ufs/ffs/ffs_vfsops.c index d9fb02c2bd58..bdaf4c98b090 100644 --- a/sys/ufs/ffs/ffs_vfsops.c +++ b/sys/ufs/ffs/ffs_vfsops.c @@ -928,6 +928,7 @@ ffs_mountfs(odevvp, mp, td) devvp = mntfs_allocvp(mp, odevvp); VOP_UNLOCK(odevvp); + vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); KASSERT(devvp->v_type == VCHR, ("reclaimed devvp")); dev = devvp->v_rdev; KASSERT(dev->si_snapdata == NULL, ("non-NULL snapshot data")); @@ -949,6 +950,7 @@ ffs_mountfs(odevvp, mp, td) BO_LOCK(&odevvp->v_bufobj); odevvp->v_bufobj.bo_flag |= BO_NOBUFS; BO_UNLOCK(&odevvp->v_bufobj); + VOP_UNLOCK(devvp); if (dev->si_iosize_max != 0) mp->mnt_iosize_max = dev->si_iosize_max; if (mp->mnt_iosize_max > maxphys) @@ -1233,6 +1235,7 @@ out: odevvp->v_bufobj.bo_flag &= ~BO_NOBUFS; BO_UNLOCK(&odevvp->v_bufobj); atomic_store_rel_ptr((uintptr_t *)&dev->si_mountpt, 0); + vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); mntfs_freevp(devvp); dev_rel(dev); return (error); @@ -1435,6 +1438,7 @@ ffs_unmount(mp, mntflags) ump->um_odevvp->v_bufobj.bo_flag &= ~BO_NOBUFS; BO_UNLOCK(&ump->um_odevvp->v_bufobj); atomic_store_rel_ptr((uintptr_t *)&ump->um_dev->si_mountpt, 0); + vn_lock(ump->um_devvp, LK_EXCLUSIVE | LK_RETRY); mntfs_freevp(ump->um_devvp); vrele(ump->um_odevvp); dev_rel(ump->um_dev); |