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| author | Chuck Lever <chuck.lever@oracle.com> | 2013-08-09 20:49:56 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-09-03 23:26:38 +0400 |
| commit | 2cf8bca8b9980c58eab9f2f47586eb16a6e63300 (patch) | |
| tree | 73a83bf535562ddb5df3a347f380f82fee940d4a /fs/nfs | |
| parent | be05c860d79bd2688486e78a3b7a298543f0c6f1 (diff) | |
| download | linux-2cf8bca8b9980c58eab9f2f47586eb16a6e63300.tar.xz | |
NFS: Update session draining barriers for NFSv4.0 transport blocking
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4state.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index f5b043474c55..4e956669d4fb 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -215,32 +215,6 @@ out: return cred; } -#if defined(CONFIG_NFS_V4_1) - -static int nfs41_setup_state_renewal(struct nfs_client *clp) -{ - int status; - struct nfs_fsinfo fsinfo; - - if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) { - nfs4_schedule_state_renewal(clp); - return 0; - } - - status = nfs4_proc_get_lease_time(clp, &fsinfo); - if (status == 0) { - /* Update lease time and schedule renewal */ - spin_lock(&clp->cl_lock); - clp->cl_lease_time = fsinfo.lease_time * HZ; - clp->cl_last_renewal = jiffies; - spin_unlock(&clp->cl_lock); - - nfs4_schedule_state_renewal(clp); - } - - return status; -} - static void nfs4_end_drain_slot_table(struct nfs4_slot_table *tbl) { if (test_and_clear_bit(NFS4_SLOT_TBL_DRAINING, &tbl->slot_tbl_state)) { @@ -254,6 +228,11 @@ static void nfs4_end_drain_session(struct nfs_client *clp) { struct nfs4_session *ses = clp->cl_session; + if (clp->cl_slot_tbl) { + nfs4_end_drain_slot_table(clp->cl_slot_tbl); + return; + } + if (ses != NULL) { nfs4_end_drain_slot_table(&ses->bc_slot_table); nfs4_end_drain_slot_table(&ses->fc_slot_table); @@ -278,6 +257,9 @@ static int nfs4_begin_drain_session(struct nfs_client *clp) struct nfs4_session *ses = clp->cl_session; int ret = 0; + if (clp->cl_slot_tbl) + return nfs4_drain_slot_tbl(clp->cl_slot_tbl); + /* back channel */ ret = nfs4_drain_slot_tbl(&ses->bc_slot_table); if (ret) @@ -286,6 +268,32 @@ static int nfs4_begin_drain_session(struct nfs_client *clp) return nfs4_drain_slot_tbl(&ses->fc_slot_table); } +#if defined(CONFIG_NFS_V4_1) + +static int nfs41_setup_state_renewal(struct nfs_client *clp) +{ + int status; + struct nfs_fsinfo fsinfo; + + if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) { + nfs4_schedule_state_renewal(clp); + return 0; + } + + status = nfs4_proc_get_lease_time(clp, &fsinfo); + if (status == 0) { + /* Update lease time and schedule renewal */ + spin_lock(&clp->cl_lock); + clp->cl_lease_time = fsinfo.lease_time * HZ; + clp->cl_last_renewal = jiffies; + spin_unlock(&clp->cl_lock); + + nfs4_schedule_state_renewal(clp); + } + + return status; +} + static void nfs41_finish_session_reset(struct nfs_client *clp) { clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); @@ -2085,7 +2093,6 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp) } #else /* CONFIG_NFS_V4_1 */ static int nfs4_reset_session(struct nfs_client *clp) { return 0; } -static void nfs4_end_drain_session(struct nfs_client *clp) { } static int nfs4_bind_conn_to_session(struct nfs_client *clp) { |