diff options
Diffstat (limited to 'sys/fs/nullfs/null.h')
| -rw-r--r-- | sys/fs/nullfs/null.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sys/fs/nullfs/null.h b/sys/fs/nullfs/null.h index aa7a689bec34..7bfdc20a3f67 100644 --- a/sys/fs/nullfs/null.h +++ b/sys/fs/nullfs/null.h @@ -35,11 +35,12 @@ #ifndef FS_NULL_H #define FS_NULL_H -#define NULLM_CACHE 0x0001 - #include <sys/ck.h> #include <vm/uma.h> +#define NULLM_CACHE 0x0001 +#define NULLM_NOUNPBYPASS 0x0002 + struct null_mount { struct mount *nullm_vfs; struct vnode *nullm_lowerrootvp; /* Ref to lower root vnode */ @@ -53,7 +54,7 @@ struct null_mount { * A cache of vnode references */ struct null_node { - CK_LIST_ENTRY(null_node) null_hash; /* Hash list */ + CK_SLIST_ENTRY(null_node) null_hash; /* Hash list */ struct vnode *null_lowervp; /* VREFed once */ struct vnode *null_vnode; /* Back pointer */ u_int null_flags; @@ -82,6 +83,16 @@ struct vnode *null_checkvp(struct vnode *vp, char *fil, int lno); #endif extern struct vop_vector null_vnodeops; +extern struct vop_vector null_vnodeops_no_unp_bypass; + +static inline bool +null_is_nullfs_vnode(struct vnode *vp) +{ + const struct vop_vector *op; + + op = vp->v_op; + return (op == &null_vnodeops || op == &null_vnodeops_no_unp_bypass); +} extern uma_zone_t null_node_zone; |