struct fs_context *fc)
{
blk_mode_t mode = sb_open_mode(sb_flags);
+ struct bdev_handle *bdev_handle;
struct block_device *bdev;
- bdev = blkdev_get_by_dev(sb->s_dev, mode, sb, &fs_holder_ops);
- if (IS_ERR(bdev)) {
+ bdev_handle = bdev_open_by_dev(sb->s_dev, mode, sb, &fs_holder_ops);
+ if (IS_ERR(bdev_handle)) {
if (fc)
errorf(fc, "%s: Can't open blockdev", fc->source);
- return PTR_ERR(bdev);
+ return PTR_ERR(bdev_handle);
}
+ bdev = bdev_handle->bdev;
/*
* This really should be in blkdev_get_by_dev, but right now can't due
* writable from userspace even for a read-only block device.
*/
if ((mode & BLK_OPEN_WRITE) && bdev_read_only(bdev)) {
- blkdev_put(bdev, sb);
+ bdev_release(bdev_handle);
return -EACCES;
}
mutex_unlock(&bdev->bd_fsfreeze_mutex);
if (fc)
warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
- blkdev_put(bdev, sb);
+ bdev_release(bdev_handle);
return -EBUSY;
}
spin_lock(&sb_lock);
+ sb->s_bdev_handle = bdev_handle;
sb->s_bdev = bdev;
sb->s_bdi = bdi_get(bdev->bd_disk->bdi);
if (bdev_stable_writes(bdev))
generic_shutdown_super(sb);
if (bdev) {
sync_blockdev(bdev);
- blkdev_put(bdev, sb);
+ bdev_release(sb->s_bdev_handle);
}
}
struct hlist_bl_head s_roots; /* alternate root dentries for NFS */
struct list_head s_mounts; /* list of mounts; _not_ for fs use */
struct block_device *s_bdev;
+ struct bdev_handle *s_bdev_handle;
struct backing_dev_info *s_bdi;
struct mtd_info *s_mtd;
struct hlist_node s_instances;