block: clean up blkdev_get() wrappers and their users

[pandora-kernel.git] / fs / logfs / dev_bdev.c

diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
index 9bd2ce2..723bc5b 100644 (file)
--- a/fs/logfs/dev_bdev.c
+++ b/fs/logfs/dev_bdev.c
@@ -298,9 +298,9 @@ static int bdev_write_sb(struct super_block *sb, struct page *page)
        return sync_request(page, bdev, WRITE);
 }
 
-static void bdev_put_device(struct super_block *sb)
+static void bdev_put_device(struct logfs_super *s)
 {
-       close_bdev_exclusive(logfs_super(sb)->s_bdev, FMODE_READ|FMODE_WRITE);
+       blkdev_put(s->s_bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
 }
 
 static int bdev_can_write_buf(struct super_block *sb, u64 ofs)
@@ -320,20 +320,24 @@ static const struct logfs_device_ops bd_devops = {
        .put_device     = bdev_put_device,
 };
 
-int logfs_get_sb_bdev(struct file_system_type *type, int flags,
-               const char *devname, struct vfsmount *mnt)
+int logfs_get_sb_bdev(struct logfs_super *p, struct file_system_type *type,
+               const char *devname)
 {
        struct block_device *bdev;
 
-       bdev = open_bdev_exclusive(devname, FMODE_READ|FMODE_WRITE, type);
+       bdev = blkdev_get_by_path(devname, FMODE_READ|FMODE_WRITE|FMODE_EXCL,
+                                 type);
        if (IS_ERR(bdev))
                return PTR_ERR(bdev);
 
        if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
                int mtdnr = MINOR(bdev->bd_dev);
-               close_bdev_exclusive(bdev, FMODE_READ|FMODE_WRITE);
-               return logfs_get_sb_mtd(type, flags, mtdnr, mnt);
+               blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
+               return logfs_get_sb_mtd(p, mtdnr);
        }
 
-       return logfs_get_sb_device(type, flags, NULL, bdev, &bd_devops, mnt);
+       p->s_bdev = bdev;
+       p->s_mtd = NULL;
+       p->s_devops = &bd_devops;
+       return 0;
 }