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Commit 5f524444 authored by Ilya Dryomov's avatar Ilya Dryomov Committed by David Sterba
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Btrfs: fix a bug when opening seed devices 



Initialize fs_info->bdev_holder a bit earlier to be able to pass a
correct holder id to blkdev_get() when opening seed devices with O_EXCL.

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 068132ba

fs/btrfs/super.c

+1 −1
Original line number Diff line number Diff line
@@ -939,6 +939,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, 


		s->s_flags = flags | MS_NOSEC;

		strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));

		btrfs_sb(s)->fs_info->bdev_holder = fs_type;

		error = btrfs_fill_super(s, fs_devices, data,

					 flags & MS_SILENT ? 1 : 0);

		if (error) {
@@ -946,7 +947,6 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, 
			return ERR_PTR(error);

		}



		btrfs_sb(s)->fs_info->bdev_holder = fs_type;

		s->s_flags |= MS_ACTIVE;

	}