Commit 76fcef19 authored by David Woodhouse's avatar David Woodhouse Committed by Chris Mason
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Btrfs: Reinstate '-osubvol=.' option to mount entire tree 



Date: Tue, 19 Aug 2008 16:49:35 +0100
This disappeared when I removed the special case for '.' in btrfs_lookup()

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 87acb4ef

fs/btrfs/super.c

+19 −15
Original line number Diff line number Diff line
@@ -451,6 +451,9 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, 
		s->s_flags |= MS_ACTIVE;

	}



	if (!strcmp(subvol_name, "."))

		root = dget(s->s_root);

	else {

		mutex_lock(&s->s_root->d_inode->i_mutex);

		root = lookup_one_len(subvol_name, s->s_root, strlen(subvol_name));

		mutex_unlock(&s->s_root->d_inode->i_mutex);
@@ -467,6 +470,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, 
			error = -ENXIO;

			goto error;

		}

	}



	mnt->mnt_sb = s;

	mnt->mnt_root = root;