d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

zfs: provide a special vptocnp method for the .zfs vnode

Browse Source 
vop_stdvptocnp() doesn't work properly if .zfs directory is hidden.

Reported by:	swills, des
Tested by:	des
MFC after:	1 week
MFC with:	r314048
This commit is contained in:
Andriy Gapon 2017-03-11 16:00:49 +00:00
parent 28ef18b8c1
commit 520758a51d
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
View File

@ -706,6 +706,28 @@ zfsctl_root_readdir(ap)
return (0);
}
static int
zfsctl_root_vptocnp(struct vop_vptocnp_args *ap)
{
static const char dotzfs_name[4] = ".zfs";
vnode_t *dvp;
int error;
if (*ap->a_buflen < sizeof (dotzfs_name))
return (SET_ERROR(ENOMEM));
error = vn_vget_ino_gen(ap->a_vp, zfsctl_fs_root_vnode, NULL,
LK_SHARED, &dvp);
if (error != 0)
return (SET_ERROR(error));
VOP_UNLOCK(dvp, 0);
*ap->a_vpp = dvp;
*ap->a_buflen -= sizeof (dotzfs_name);
bcopy(dotzfs_name, ap->a_buf + *ap->a_buflen, sizeof (dotzfs_name));
return (0);
}
static struct vop_vector zfsctl_ops_root = {
.vop_default = &default_vnodeops,
.vop_open = zfsctl_common_open,
@ -719,6 +741,7 @@ static struct vop_vector zfsctl_ops_root = {
.vop_reclaim = zfsctl_common_reclaim,
.vop_fid = zfsctl_common_fid,
.vop_print = zfsctl_common_print,
.vop_vptocnp = zfsctl_root_vptocnp,
};
static int