smbfs: add bdi backing to mount session
This ensures that dirty data gets flushed properly.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/smbfs/inode.c b/fs/smbfs/inode.c
index 1c4c8f0..dfa1d67 100644
--- a/fs/smbfs/inode.c
+++ b/fs/smbfs/inode.c
@@ -479,6 +479,7 @@
if (server->conn_pid)
kill_pid(server->conn_pid, SIGTERM, 1);
+ bdi_destroy(&server->bdi);
kfree(server->ops);
smb_unload_nls(server);
sb->s_fs_info = NULL;
@@ -525,6 +526,11 @@
if (!server)
goto out_no_server;
sb->s_fs_info = server;
+
+ if (bdi_setup_and_register(&server->bdi, "smbfs", BDI_CAP_MAP_COPY))
+ goto out_bdi;
+
+ sb->s_bdi = &server->bdi;
server->super_block = sb;
server->mnt = NULL;
@@ -624,6 +630,8 @@
out_bad_option:
kfree(mem);
out_no_mem:
+ bdi_destroy(&server->bdi);
+out_bdi:
if (!server->mnt)
printk(KERN_ERR "smb_fill_super: allocation failure\n");
sb->s_fs_info = NULL;