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| author | Chuck Lever <chuck.lever@oracle.com> | 2013-08-09 12:48:44 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-09-03 15:26:33 -0400 |
| commit | 9d33059c1b76d77004753799479af6d359d83217 (patch) | |
| tree | 884157e2098dbeb4f57c6caa830e18b6c06ed11c /fs/nfs/nfs4session.c | |
| parent | 220e09ccd36ab7836a6aa19295c314d7e04f7552 (diff) | |
| download | linux-stable-9d33059c1b76d77004753799479af6d359d83217.tar.gz linux-stable-9d33059c1b76d77004753799479af6d359d83217.tar.bz2 linux-stable-9d33059c1b76d77004753799479af6d359d83217.zip | |
NFS: Enable slot table helpers for NFSv4.0
I'd like to re-use NFSv4.1's slot table machinery for NFSv4.0
transport blocking. Re-organize some of nfs4session.c so the slot
table code is built even when NFS_V4_1 is disabled.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4session.c')
| -rw-r--r-- | fs/nfs/nfs4session.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/fs/nfs/nfs4session.c b/fs/nfs/nfs4session.c index 0161ad26ee84..746675b74624 100644 --- a/fs/nfs/nfs4session.c +++ b/fs/nfs/nfs4session.c @@ -44,6 +44,17 @@ static void nfs4_shrink_slot_table(struct nfs4_slot_table *tbl, u32 newsize) } } +/** + * nfs4_slot_tbl_drain_complete - wake waiters when drain is complete + * @tbl - controlling slot table + * + */ +void nfs4_slot_tbl_drain_complete(struct nfs4_slot_table *tbl) +{ + if (nfs4_slot_tbl_draining(tbl)) + complete(&tbl->complete); +} + /* * nfs4_free_slot - free a slot and efficiently update slot table. * @@ -212,13 +223,6 @@ out: return ret; } -/* Destroy the slot table */ -static void nfs4_destroy_slot_tables(struct nfs4_session *session) -{ - nfs4_shrink_slot_table(&session->fc_slot_table, 0); - nfs4_shrink_slot_table(&session->bc_slot_table, 0); -} - static bool nfs41_assign_slot(struct rpc_task *task, void *pslot) { struct nfs4_sequence_args *args = task->tk_msg.rpc_argp; @@ -383,6 +387,15 @@ void nfs41_update_target_slotid(struct nfs4_slot_table *tbl, spin_unlock(&tbl->slot_tbl_lock); } +#if defined(CONFIG_NFS_V4_1) + +/* Destroy the slot table */ +static void nfs4_destroy_slot_tables(struct nfs4_session *session) +{ + nfs4_shrink_slot_table(&session->fc_slot_table, 0); + nfs4_shrink_slot_table(&session->bc_slot_table, 0); +} + /* * Initialize or reset the forechannel and backchannel tables */ @@ -513,4 +526,4 @@ int nfs4_init_ds_session(struct nfs_client *clp, unsigned long lease_time) } EXPORT_SYMBOL_GPL(nfs4_init_ds_session); - +#endif /* defined(CONFIG_NFS_V4_1) */ |