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authorJeff Layton <jlayton@redhat.com>2012-03-23 14:40:53 -0400
committerJeff Layton <jlayton@redhat.com>2012-03-23 14:40:53 -0400
commitda472fc847e9d8c9da69b09ce0ab975b24f9b894 (patch)
treef5b2c4e187aa39e011c758f8e94d2d2b3d296384 /fs/cifs/cifsfs.c
parent7c9421e1a9ce8d17816f480c3a5b4f2609442cd5 (diff)
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/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index eee522c56ef..d3421282244 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();
}