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author | Jeff Layton <jlayton@redhat.com> | 2012-03-23 14:40:53 -0400 |
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committer | Jeff Layton <jlayton@redhat.com> | 2012-03-23 14:40:53 -0400 |
commit | da472fc847e9d8c9da69b09ce0ab975b24f9b894 (patch) | |
tree | f5b2c4e187aa39e011c758f8e94d2d2b3d296384 /fs/cifs | |
parent | 7c9421e1a9ce8d17816f480c3a5b4f2609442cd5 (diff) | |
download | linux-stable-da472fc847e9d8c9da69b09ce0ab975b24f9b894.tar.gz linux-stable-da472fc847e9d8c9da69b09ce0ab975b24f9b894.tar.bz2 linux-stable-da472fc847e9d8c9da69b09ce0ab975b24f9b894.zip |
cifs: add new cifsiod_wq workqueue
...and convert existing cifs users of system_nrt_wq to use that instead.
Also, make it freezable, and set WQ_MEM_RECLAIM since we use it to
deal with write reply handling.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r-- | fs/cifs/cifsfs.c | 13 | ||||
-rw-r--r-- | fs/cifs/cifsglob.h | 1 | ||||
-rw-r--r-- | fs/cifs/cifssmb.c | 4 | ||||
-rw-r--r-- | fs/cifs/connect.c | 8 | ||||
-rw-r--r-- | fs/cifs/misc.c | 2 |
5 files changed, 20 insertions, 8 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index eee522c56ef0..d34212822444 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -85,6 +85,8 @@ extern mempool_t *cifs_sm_req_poolp; extern mempool_t *cifs_req_poolp; extern mempool_t *cifs_mid_poolp; +struct workqueue_struct *cifsiod_wq; + static int cifs_read_super(struct super_block *sb) { @@ -1111,9 +1113,15 @@ init_cifs(void) cFYI(1, "cifs_max_pending set to max of %u", CIFS_MAX_REQ); } + cifsiod_wq = alloc_workqueue("cifsiod", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); + if (!cifsiod_wq) { + rc = -ENOMEM; + goto out_clean_proc; + } + rc = cifs_fscache_register(); if (rc) - goto out_clean_proc; + goto out_destroy_wq; rc = cifs_init_inodecache(); if (rc) @@ -1161,6 +1169,8 @@ out_destroy_inodecache: cifs_destroy_inodecache(); out_unreg_fscache: cifs_fscache_unregister(); +out_destroy_wq: + destroy_workqueue(cifsiod_wq); out_clean_proc: cifs_proc_clean(); return rc; @@ -1183,6 +1193,7 @@ exit_cifs(void) cifs_destroy_mids(); cifs_destroy_inodecache(); cifs_fscache_unregister(); + destroy_workqueue(cifsiod_wq); cifs_proc_clean(); } diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d5ccd467a1d1..79eba5a15e80 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1070,5 +1070,6 @@ GLOBAL_EXTERN spinlock_t gidsidlock; void cifs_oplock_break(struct work_struct *work); extern const struct slow_work_ops cifs_oplock_break_ops; +extern struct workqueue_struct *cifsiod_wq; #endif /* _CIFS_GLOB_H */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index f0b1c59a3bb3..76d8981736e1 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1689,7 +1689,7 @@ cifs_readv_callback(struct mid_q_entry *mid) rdata->result = -EIO; } - queue_work(system_nrt_wq, &rdata->work); + queue_work(cifsiod_wq, &rdata->work); DeleteMidQEntry(mid); cifs_add_credits(server, 1); } @@ -2129,7 +2129,7 @@ cifs_writev_callback(struct mid_q_entry *mid) break; } - queue_work(system_nrt_wq, &wdata->work); + queue_work(cifsiod_wq, &wdata->work); DeleteMidQEntry(mid); cifs_add_credits(tcon->ses->server, 1); } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f3c932910b68..855d8c08e3a4 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -335,7 +335,7 @@ cifs_echo_request(struct work_struct *work) server->hostname); requeue_echo: - queue_delayed_work(system_nrt_wq, &server->echo, SMB_ECHO_INTERVAL); + queue_delayed_work(cifsiod_wq, &server->echo, SMB_ECHO_INTERVAL); } static bool @@ -1971,7 +1971,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info) cifs_fscache_get_client_cookie(tcp_ses); /* queue echo request delayed work */ - queue_delayed_work(system_nrt_wq, &tcp_ses->echo, SMB_ECHO_INTERVAL); + queue_delayed_work(cifsiod_wq, &tcp_ses->echo, SMB_ECHO_INTERVAL); return tcp_ses; @@ -3537,7 +3537,7 @@ remote_path_check: tlink_rb_insert(&cifs_sb->tlink_tree, tlink); spin_unlock(&cifs_sb->tlink_tree_lock); - queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, + queue_delayed_work(cifsiod_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); mount_fail_check: @@ -4091,6 +4091,6 @@ cifs_prune_tlinks(struct work_struct *work) } spin_unlock(&cifs_sb->tlink_tree_lock); - queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks, + queue_delayed_work(cifsiod_wq, &cifs_sb->prune_tlinks, TLINK_IDLE_EXPIRE); } diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 425e4f2a155c..c29d1aa2c54f 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -595,7 +595,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv) cifs_set_oplock_level(pCifsInode, pSMB->OplockLevel ? OPLOCK_READ : 0); - queue_work(system_nrt_wq, + queue_work(cifsiod_wq, &netfile->oplock_break); netfile->oplock_break_cancelled = false; |