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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-09-22 20:39:04 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-27 21:34:23 +0300 |
| commit | f0b0bf8826145f2da8b13f375177e907ae44b796 (patch) | |
| tree | 46931377e660c1a8e868e8b451c867d1649931f0 /fs | |
| parent | c5896fc8622d57b31e1e98545d67d7089019e478 (diff) | |
| download | linux-f0b0bf8826145f2da8b13f375177e907ae44b796.tar.xz | |
NFSv4.1: FREE_STATEID can be asynchronous
Nothing should need to be serialised with FREE_STATEID on the client,
so let's make the RPC call always asynchronous. Also constify the
stateid argument.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index b5290fd99209..1741e6454684 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -99,8 +99,8 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred, #ifdef CONFIG_NFS_V4_1 static int nfs41_test_stateid(struct nfs_server *, nfs4_stateid *, struct rpc_cred *); -static int nfs41_free_stateid(struct nfs_server *, nfs4_stateid *, - struct rpc_cred *); +static int nfs41_free_stateid(struct nfs_server *, const nfs4_stateid *, + struct rpc_cred *, bool); #endif #ifdef CONFIG_NFS_V4_SECURITY_LABEL @@ -2443,7 +2443,7 @@ static int nfs41_test_and_free_expired_stateid(struct nfs_server *server, } out_free: /* Ack the revoked state to the server */ - nfs41_free_stateid(server, stateid, cred); + nfs41_free_stateid(server, stateid, cred, true); return -NFS4ERR_EXPIRED; } @@ -8921,7 +8921,7 @@ static const struct rpc_call_ops nfs41_free_stateid_ops = { }; static struct rpc_task *_nfs41_free_stateid(struct nfs_server *server, - nfs4_stateid *stateid, + const nfs4_stateid *stateid, struct rpc_cred *cred, bool privileged) { @@ -8964,38 +8964,31 @@ static struct rpc_task *_nfs41_free_stateid(struct nfs_server *server, * @server: server / transport on which to perform the operation * @stateid: state ID to release * @cred: credential + * @is_recovery: set to true if this call needs to be privileged * - * Returns NFS_OK if the server freed "stateid". Otherwise a - * negative NFS4ERR value is returned. + * Note: this function is always asynchronous. */ static int nfs41_free_stateid(struct nfs_server *server, - nfs4_stateid *stateid, - struct rpc_cred *cred) + const nfs4_stateid *stateid, + struct rpc_cred *cred, + bool is_recovery) { struct rpc_task *task; - int ret; - task = _nfs41_free_stateid(server, stateid, cred, true); + task = _nfs41_free_stateid(server, stateid, cred, is_recovery); if (IS_ERR(task)) return PTR_ERR(task); - ret = rpc_wait_for_completion_task(task); - if (!ret) - ret = task->tk_status; rpc_put_task(task); - return ret; + return 0; } static void nfs41_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp) { - struct rpc_task *task; struct rpc_cred *cred = lsp->ls_state->owner->so_cred; - task = _nfs41_free_stateid(server, &lsp->ls_stateid, cred, false); + nfs41_free_stateid(server, &lsp->ls_stateid, cred, false); nfs4_free_lock_state(server, lsp); - if (IS_ERR(task)) - return; - rpc_put_task(task); } static bool nfs41_match_stateid(const nfs4_stateid *s1, |