path: root/fs/cifs/cifsfs.c
diff options
authorJeff Layton <jlayton@redhat.com>2008-11-14 13:44:38 -0500
committerSteve French <sfrench@us.ibm.com>2008-11-14 23:42:32 +0000
commite7ddee9037e7dd43de1ad08b51727e552aedd836 (patch)
tree1f4fa723aad80809c5980fcb197aba90a84c26ca /fs/cifs/cifsfs.c
parent3ec332ef7a38c2327e18d087d4120a8e3bd3dc6e (diff)
cifs: disable sharing session and tcon and add new TCP sharing code
The code that allows these structs to be shared is extremely racy. Disable the sharing of SMB and tcon structs for now until we can come up with a way to do this that's race free. We want to continue to share TCP sessions, however since they are required for multiuser mounts. For that, implement a new (hopefully race-free) scheme. Add a new global list of TCP sessions, and take care to get a reference to it whenever we're dealing with one. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifsfs.c')
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index af16a2406b1..2946dab0718 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1059,7 +1059,7 @@ init_cifs(void)
int rc = 0;
- INIT_LIST_HEAD(&global_cifs_sock_list);
+ INIT_LIST_HEAD(&cifs_tcp_ses_list);
INIT_LIST_HEAD(&GlobalSMBSessionList); /* BB to be removed by jl */
INIT_LIST_HEAD(&GlobalTreeConnectionList); /* BB to be removed by jl */
@@ -1089,6 +1089,7 @@ init_cifs(void)
GlobalMaxActiveXid = 0;
memset(Local_System_Name, 0, 15);
+ rwlock_init(&cifs_tcp_ses_lock);
if (cifs_max_pending < 2) {