diff options
Diffstat (limited to 'sys/fs/unionfs/union_vnops.c')
-rw-r--r-- | sys/fs/unionfs/union_vnops.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/sys/fs/unionfs/union_vnops.c b/sys/fs/unionfs/union_vnops.c index 65714cd..7e176dd 100644 --- a/sys/fs/unionfs/union_vnops.c +++ b/sys/fs/unionfs/union_vnops.c @@ -670,10 +670,20 @@ union_whiteout(ap) struct vnode *uppervp; int error = EOPNOTSUPP; - if ((uppervp = union_lock_upper(un, cnp->cn_thread)) != NULLVP) { - error = VOP_WHITEOUT(un->un_uppervp, cnp, ap->a_flags); - union_unlock_upper(uppervp, cnp->cn_thread); - } + switch (ap->a_flags) { + case LOOKUP: + error = EOPNOTSUPP; + break; + case CREATE: + case DELETE: + if ((uppervp=union_lock_upper(un,cnp->cn_thread)) != NULLVP) { + error = VOP_WHITEOUT(un->un_uppervp, cnp, ap->a_flags); + union_unlock_upper(uppervp, cnp->cn_thread); + } + break; + default: + panic("union_whiteout: unknown op"); + } return(error); } |