Commit 0942caa3 authored by David Sterba's avatar David Sterba Committed by Chris Mason
Browse files

btrfs: add missing options displayed in mount output 



There are three missed mount options settable by user which are not
currently displayed in mount output.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 2f7e33d4

fs/btrfs/ctree.h

+5 −0
Original line number Diff line number Diff line
@@ -1336,6 +1336,11 @@ struct btrfs_ioctl_defrag_range_args { 
 */

#define BTRFS_STRING_ITEM_KEY	253



/*

 * Flags for mount options.

 *

 * Note: don't forget to add new options to btrfs_show_options()

 */

#define BTRFS_MOUNT_NODATASUM		(1 << 0)

#define BTRFS_MOUNT_NODATACOW		(1 << 1)

#define BTRFS_MOUNT_NOBARRIER		(1 << 2)

fs/btrfs/super.c

+6 −0
Original line number Diff line number Diff line
@@ -721,6 +721,12 @@ static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) 
		seq_puts(seq, ",clear_cache");

	if (btrfs_test_opt(root, USER_SUBVOL_RM_ALLOWED))

		seq_puts(seq, ",user_subvol_rm_allowed");

	if (btrfs_test_opt(root, ENOSPC_DEBUG))

		seq_puts(seq, ",enospc_debug");

	if (btrfs_test_opt(root, AUTO_DEFRAG))

		seq_puts(seq, ",autodefrag");

	if (btrfs_test_opt(root, INODE_MAP_CACHE))

		seq_puts(seq, ",inode_cache");

	return 0;

}