mm: bdi init hooks

[net-next-2.6.git] / fs / fuse / inode.c

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 5448f625ab567730b89cf5dd7ac58e1939185e82..ca30b6ac03f056dcf845c2e9e3f0e521159cb060 100644 (file)
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -401,6 +401,7 @@ static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt)
 static struct fuse_conn *new_conn(void)
 {
        struct fuse_conn *fc;
+       int err;
 
        fc = kzalloc(sizeof(*fc), GFP_KERNEL);
        if (fc) {
@@ -416,10 +417,17 @@ static struct fuse_conn *new_conn(void)
                atomic_set(&fc->num_waiting, 0);
                fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
                fc->bdi.unplug_io_fn = default_unplug_io_fn;
+               err = bdi_init(&fc->bdi);
+               if (err) {
+                       kfree(fc);
+                       fc = NULL;
+                       goto out;
+               }
                fc->reqctr = 0;
                fc->blocked = 1;
                get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key));
        }
+out:
        return fc;
 }
 
@@ -429,6 +437,7 @@ void fuse_conn_put(struct fuse_conn *fc)
                if (fc->destroy_req)
                        fuse_request_free(fc->destroy_req);
                mutex_destroy(&fc->inst_mutex);
+               bdi_destroy(&fc->bdi);
                kfree(fc);
        }
 }