cifs: avoid use of global locks for high contention data

[linux-2.6-microblaze.git] / fs / cifs / smb1ops.c

diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 2e20ee4..f36b2d2 100644 (file)
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -92,17 +92,17 @@ cifs_find_mid(struct TCP_Server_Info *server, char *buffer)
        struct smb_hdr *buf = (struct smb_hdr *)buffer;
        struct mid_q_entry *mid;
 
-       spin_lock(&GlobalMid_Lock);
+       spin_lock(&server->mid_lock);
        list_for_each_entry(mid, &server->pending_mid_q, qhead) {
                if (compare_mid(mid->mid, buf) &&
                    mid->mid_state == MID_REQUEST_SUBMITTED &&
                    le16_to_cpu(mid->command) == buf->Command) {
                        kref_get(&mid->refcount);
-                       spin_unlock(&GlobalMid_Lock);
+                       spin_unlock(&server->mid_lock);
                        return mid;
                }
        }
-       spin_unlock(&GlobalMid_Lock);
+       spin_unlock(&server->mid_lock);
        return NULL;
 }
 
@@ -166,7 +166,7 @@ cifs_get_next_mid(struct TCP_Server_Info *server)
        __u16 last_mid, cur_mid;
        bool collision, reconnect = false;
 
-       spin_lock(&GlobalMid_Lock);
+       spin_lock(&server->mid_lock);
 
        /* mid is 16 bit only for CIFS/SMB */
        cur_mid = (__u16)((server->CurrentMid) & 0xffff);
@@ -225,7 +225,7 @@ cifs_get_next_mid(struct TCP_Server_Info *server)
                }
                cur_mid++;
        }
-       spin_unlock(&GlobalMid_Lock);
+       spin_unlock(&server->mid_lock);
 
        if (reconnect) {
                cifs_signal_cifsd_for_reconnect(server, false);