cifs: start DFS cache refresher in cifs_mount()

Start the DFS cache refresh worker per volume during cifs mount.

Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Reviewed-by: Aurelien Aptel <aaptel@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 8de2173..ec2498f 100644 (file)
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -4594,6 +4594,11 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol)
        }
        spin_unlock(&cifs_tcp_ses_lock);
 
+       rc = dfs_cache_add_vol(vol, cifs_sb->origin_fullpath);
+       if (rc) {
+               kfree(cifs_sb->origin_fullpath);
+               goto error;
+       }
        /*
         * After reconnecting to a different server, unique ids won't
         * match anymore, so we disable serverino. This prevents
@@ -4836,6 +4841,7 @@ cifs_umount(struct cifs_sb_info *cifs_sb)
        kfree(cifs_sb->mountdata);
        kfree(cifs_sb->prepath);
 #ifdef CONFIG_CIFS_DFS_UPCALL
+       dfs_cache_del_vol(cifs_sb->origin_fullpath);
        kfree(cifs_sb->origin_fullpath);
 #endif
        call_rcu(&cifs_sb->rcu, delayed_free);