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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-01 16:49:01 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-07-30 18:46:10 (GMT) |
| commit | d3c7b7ccc199ee564177ee914c04771d6bc00295 (patch) | |
| tree | ed5bda669f6ede2ac454bf853577e3c3f818642b /fs/nfs/nfs4proc.c | |
| parent | daccbded7f153ec84a3baf3136052e41d0eab555 (diff) | |
| download | linux-d3c7b7ccc199ee564177ee914c04771d6bc00295.tar.xz | |
NFSv4: Add support for the RELEASE_LOCKOWNER operation
This is needed by NFSv4.0 servers in order to keep the number of locking
stateids at a manageable level.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index de9ff15..5d3e8a2 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4414,6 +4414,34 @@ out: return err; } +static void nfs4_release_lockowner_release(void *calldata) +{ + kfree(calldata); +} + +const struct rpc_call_ops nfs4_release_lockowner_ops = { + .rpc_release = nfs4_release_lockowner_release, +}; + +void nfs4_release_lockowner(const struct nfs4_lock_state *lsp) +{ + struct nfs_server *server = lsp->ls_state->owner->so_server; + struct nfs_release_lockowner_args *args; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RELEASE_LOCKOWNER], + }; + + if (server->nfs_client->cl_mvops->minor_version != 0) + return; + args = kmalloc(sizeof(*args), GFP_NOFS); + if (!args) + return; + args->lock_owner.clientid = server->nfs_client->cl_clientid; + args->lock_owner.id = lsp->ls_id.id; + msg.rpc_argp = args; + rpc_call_async(server->client, &msg, 0, &nfs4_release_lockowner_ops, args); +} + #define XATTR_NAME_NFSV4_ACL "system.nfs4_acl" int nfs4_setxattr(struct dentry *dentry, const char *key, const void *buf, |