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btrfs: add missing options displayed in mount output

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

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
David Sterba
2011-06-28 15:10:37 +00:00
committed by Chris Mason
parent 2f7e33d432
commit 0942caa373
2 changed files with 11 additions and 0 deletions
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5
fs/btrfs/ctree.h
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@@ -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)