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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-11-02 01:07:07 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-12-06 03:30:50 +0400 |
| commit | 275e7e20aa8599719729f8ef4c09c9bfc4895642 (patch) | |
| tree | d56472ae8611905d0ba8c5bb51e8a9651615fd57 | |
| parent | 7b939a3f44293516c4225f640e8c4b9200beeabc (diff) | |
| download | linux-275e7e20aa8599719729f8ef4c09c9bfc4895642.tar.xz | |
NFSv4.1: Remove the 'FIFO' behaviour for nfs41_setup_sequence
It is more important to preserve the task priority behaviour, which ensures
that things like reclaim writes take precedence over background and kupdate
writes.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 15 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 4 |
3 files changed, 2 insertions, 18 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 4f0cdc1b7148..4635bf51b3e6 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -236,7 +236,6 @@ static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *ser return server->nfs_client->cl_session; } -extern bool nfs4_set_task_privileged(struct rpc_task *task, void *dummy); extern int nfs4_setup_sequence(const struct nfs_server *server, struct nfs4_sequence_args *args, struct nfs4_sequence_res *res, struct rpc_task *task); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 87525eb60bd8..4b1635ce658d 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -379,12 +379,6 @@ static void renew_lease(const struct nfs_server *server, unsigned long timestamp #if defined(CONFIG_NFS_V4_1) -bool nfs4_set_task_privileged(struct rpc_task *task, void *dummy) -{ - rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED); - return true; -} - static void nfs41_sequence_free_slot(struct nfs4_sequence_res *res) { struct nfs4_session *session; @@ -412,8 +406,7 @@ static void nfs41_sequence_free_slot(struct nfs4_sequence_res *res) if (tbl->highest_used_slotid != NFS4_NO_SLOT) send_new_highest_used_slotid = false; if (!nfs4_session_draining(session)) { - if (rpc_wake_up_first(&tbl->slot_tbl_waitq, - nfs4_set_task_privileged, NULL) != NULL) + if (rpc_wake_up_next(&tbl->slot_tbl_waitq) != NULL) send_new_highest_used_slotid = false; } spin_unlock(&tbl->slot_tbl_lock); @@ -527,12 +520,6 @@ int nfs41_setup_sequence(struct nfs4_session *session, goto out_sleep; } - if (!rpc_queue_empty(&tbl->slot_tbl_waitq) && - !rpc_task_has_priority(task, RPC_PRIORITY_PRIVILEGED)) { - dprintk("%s enforce FIFO order\n", __func__); - goto out_sleep; - } - slot = nfs4_alloc_slot(tbl); if (IS_ERR(slot)) { /* If out of memory, try again in 1/4 second */ diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index c137421f2123..7d73df5a05d1 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -263,9 +263,7 @@ static void nfs4_end_drain_session(struct nfs_client *clp) if (test_and_clear_bit(NFS4_SESSION_DRAINING, &ses->session_state)) { spin_lock(&tbl->slot_tbl_lock); for (i = 0; i <= tbl->max_slotid; i++) { - if (rpc_wake_up_first(&tbl->slot_tbl_waitq, - nfs4_set_task_privileged, - NULL) == NULL) + if (rpc_wake_up_next(&tbl->slot_tbl_waitq) == NULL) break; } spin_unlock(&tbl->slot_tbl_lock); |