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path: root/drivers/block/rd.c
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Diffstat (limited to 'drivers/block/rd.c')
-rw-r--r--drivers/block/rd.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 701ea77f62e..80e1585b741 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -411,6 +411,9 @@ static void __exit rd_cleanup(void)
blk_cleanup_queue(rd_queue[i]);
}
unregister_blkdev(RAMDISK_MAJOR, "ramdisk");
+
+ bdi_destroy(&rd_file_backing_dev_info);
+ bdi_destroy(&rd_backing_dev_info);
}
/*
@@ -419,7 +422,19 @@ static void __exit rd_cleanup(void)
static int __init rd_init(void)
{
int i;
- int err = -ENOMEM;
+ int err;
+
+ err = bdi_init(&rd_backing_dev_info);
+ if (err)
+ goto out2;
+
+ err = bdi_init(&rd_file_backing_dev_info);
+ if (err) {
+ bdi_destroy(&rd_backing_dev_info);
+ goto out2;
+ }
+
+ err = -ENOMEM;
if (rd_blocksize > PAGE_SIZE || rd_blocksize < 512 ||
(rd_blocksize & (rd_blocksize-1))) {
@@ -473,6 +488,9 @@ out:
put_disk(rd_disks[i]);
blk_cleanup_queue(rd_queue[i]);
}
+ bdi_destroy(&rd_backing_dev_info);
+ bdi_destroy(&rd_file_backing_dev_info);
+out2:
return err;
}