diff options
Diffstat (limited to 'usr/src/uts/common/sys/vnode.h')
| -rw-r--r-- | usr/src/uts/common/sys/vnode.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/vnode.h b/usr/src/uts/common/sys/vnode.h index 8eaf4b7fc9..3d54125d84 100644 --- a/usr/src/uts/common/sys/vnode.h +++ b/usr/src/uts/common/sys/vnode.h @@ -51,6 +51,7 @@ #include <vm/seg_enum.h> #include <sys/kstat.h> #include <sys/kmem.h> +#include <sys/list.h> #ifdef _KERNEL #include <sys/buf.h> #endif /* _KERNEL */ @@ -169,6 +170,16 @@ typedef enum vtype { } vtype_t; /* + * VSD - Vnode Specific Data + * Used to associate additional private data with a vnode. + */ +struct vsd_node { + list_node_t vs_nodes; /* list of all VSD nodes */ + uint_t vs_nkeys; /* entries in value array */ + void **vs_value; /* array of value/key */ +}; + +/* * Many of the fields in the vnode are read-only once they are initialized * at vnode creation time. Other fields are protected by locks. * @@ -182,6 +193,7 @@ typedef enum vtype { * v_count * v_shrlocks * v_path + * v_vsd * * A special lock (implemented by vn_vfswlock in vnode.c) protects: * v_vfsmountedhere @@ -249,6 +261,7 @@ typedef struct vnode { struct vnode *v_msprev; /* list of vnodes on an mset */ krwlock_t v_mslock; /* protects v_mset */ void *v_fopdata; /* list of file ops event watches */ + struct vsd_node *v_vsd; /* vnode specific data */ } vnode_t; #define IS_DEVVP(vp) \ @@ -924,6 +937,13 @@ void vnevent_rename_dest_dir(vnode_t *); void vnevent_mountedover(vnode_t *); int vnevent_support(vnode_t *); +/* Vnode specific data */ +void vsd_create(uint_t *, void (*)(void *)); +void vsd_destroy(uint_t *); +void *vsd_get(vnode_t *, uint_t); +int vsd_set(vnode_t *, uint_t, void *); +void vsd_free(vnode_t *); + /* Context identification */ u_longlong_t fs_new_caller_id(); |