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authorJeff Layton <jlayton@redhat.com>2008-12-01 23:23:50 +0300
committerSteve French <sfrench@us.ibm.com>2008-12-26 05:29:09 +0300
commit954d7a1cf12158fed23dd8b0f3f563d5a5c97f28 (patch)
tree81152ead9083b2b8dbdcbccd92bb379e148c9e40 /fs
parent72ca545b2d83ac7de671bf66d2dbc214528b4c0c (diff)
downloadlinux-954d7a1cf12158fed23dd8b0f3f563d5a5c97f28.tar.xz
cifs: make dnotify thread experimental code
Now that tasks sleeping in wait_for_response will time out on their own, we're not reliant on the dnotify thread to do this. Mark it as experimental code for now. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsfs.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 7f87066ce29f..061a1dca987d 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -66,7 +66,9 @@ unsigned int sign_CIFS_PDUs = 1;
extern struct task_struct *oplockThread; /* remove sparse warning */
struct task_struct *oplockThread = NULL;
/* extern struct task_struct * dnotifyThread; remove sparse warning */
+#ifdef CONFIG_CIFS_EXPERIMENTAL
static struct task_struct *dnotifyThread = NULL;
+#endif
static const struct super_operations cifs_super_ops;
unsigned int CIFSMaxBufSize = CIFS_MAX_MSGSIZE;
module_param(CIFSMaxBufSize, int, 0);
@@ -1049,6 +1051,7 @@ static int cifs_oplock_thread(void *dummyarg)
return 0;
}
+#ifdef CONFIG_CIFS_EXPERIMENTAL
static int cifs_dnotify_thread(void *dummyarg)
{
struct list_head *tmp;
@@ -1074,6 +1077,7 @@ static int cifs_dnotify_thread(void *dummyarg)
return 0;
}
+#endif
static int __init
init_cifs(void)
@@ -1151,16 +1155,20 @@ init_cifs(void)
goto out_unregister_dfs_key_type;
}
+#ifdef CONFIG_CIFS_EXPERIMENTAL
dnotifyThread = kthread_run(cifs_dnotify_thread, NULL, "cifsdnotifyd");
if (IS_ERR(dnotifyThread)) {
rc = PTR_ERR(dnotifyThread);
cERROR(1, ("error %d create dnotify thread", rc));
goto out_stop_oplock_thread;
}
+#endif
return 0;
+#ifdef CONFIG_CIFS_EXPERIMENTAL
out_stop_oplock_thread:
+#endif
kthread_stop(oplockThread);
out_unregister_dfs_key_type:
#ifdef CONFIG_CIFS_DFS_UPCALL
@@ -1199,8 +1207,10 @@ exit_cifs(void)
cifs_destroy_inodecache();
cifs_destroy_mids();
cifs_destroy_request_bufs();
- kthread_stop(oplockThread);
+#ifdef CONFIG_CIFS_EXPERIMENTAL
kthread_stop(dnotifyThread);
+#endif
+ kthread_stop(oplockThread);
}
MODULE_AUTHOR("Steve French <sfrench@us.ibm.com>");