SUNRPC: Add a helper to allow sharing of rpc_pipefs directory objects

Add support for looking up existing objects and creating new ones if there
is no match.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2013-08-27 16:27:04 -04:00
parent c36dcfe1f7
commit 298fc3558b
2 changed files with 41 additions and 0 deletions

View File

@@ -106,6 +106,12 @@ extern int rpc_add_pipe_dir_object(struct net *net,
extern void rpc_remove_pipe_dir_object(struct net *net,
struct rpc_pipe_dir_head *pdh,
struct rpc_pipe_dir_object *pdo);
extern struct rpc_pipe_dir_object *rpc_find_or_alloc_pipe_dir_object(
struct net *net,
struct rpc_pipe_dir_head *pdh,
int (*match)(struct rpc_pipe_dir_object *, void *),
struct rpc_pipe_dir_object *(*alloc)(void *),
void *data);
struct cache_detail;
extern struct dentry *rpc_create_cache_dir(struct dentry *,