[PATCH 01/17] FOLD: reverts part of "fs: use the super_block as holder when mounting file systems"

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The btrfs hunk should be dropped because the prerequisite btrfs changes were
dropped from the branch.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
 fs/btrfs/super.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d58ace4c1d2962..f1dd172d8d5bd7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -69,6 +69,8 @@ static const struct super_operations btrfs_super_ops;
  * requested by subvol=/path. That way the callchain is straightforward and we
  * don't have to play tricks with the mount options and recursive calls to
  * btrfs_mount.
+ *
+ * The new btrfs_root_fs_type also servers as a tag for the bdev_holder.
 static struct file_system_type btrfs_fs_type;
 static struct file_system_type btrfs_root_fs_type;
@@ -1513,7 +1515,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
 		snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev);
 		shrinker_debugfs_rename(&s->s_shrink, "sb-%s:%s", fs_type->name,
-		fs_info->bdev_holder = s;
+		btrfs_sb(s)->bdev_holder = fs_type;
 		error = btrfs_fill_super(s, fs_devices, data);
 	if (!error)

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