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btrfs: uapi/linux/btrfs.h migration, move feature flags

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The compat/compat_ro/incompat feature flags are used by the feature set/get
ioctls.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-04-01 16:14:26 -04:00 • committed by David Sterba
parent 884f6eca59
commit 18db9ac644
2 changed files with 31 additions and 25 deletions
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25
fs/btrfs/ctree.h
View file

@ -506,31 +506,6 @@ struct btrfs_super_block {
* Compat flags that we support. If any incompat flags are set other than the * Compat flags that we support. If any incompat flags are set other than the
* ones specified below then we will fail to mount * ones specified below then we will fail to mount
*/ */
#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0)
#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0)
#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1)
#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2)
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3)
/*
* some patches floated around with a second compression method
* lets save that incompat here for when they do get in
* Note we don't actually support it, we're just reserving the
* number
*/
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4)
/*
* older kernels tried to do bigger metadata blocks, but the
* code was pretty buggy. Lets not let them try anymore.
*/
#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5)
#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6)
#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7)
#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
#define BTRFS_FEATURE_COMPAT_SUPP 0ULL #define BTRFS_FEATURE_COMPAT_SUPP 0ULL
#define BTRFS_FEATURE_COMPAT_SAFE_SET 0ULL #define BTRFS_FEATURE_COMPAT_SAFE_SET 0ULL
#define BTRFS_FEATURE_COMPAT_SAFE_CLEAR 0ULL #define BTRFS_FEATURE_COMPAT_SAFE_CLEAR 0ULL

31
include/uapi/linux/btrfs.h
View file

@ -222,6 +222,37 @@ struct btrfs_ioctl_fs_info_args {
__u64 reserved[122]; /* pad to 1k */ __u64 reserved[122]; /* pad to 1k */
}; };
/*
* feature flags
*
* Used by:
* struct btrfs_ioctl_feature_flags
*/
#define BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE (1ULL << 0)
#define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0)
#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1)
#define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2)
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3)
/*
* some patches floated around with a second compression method
* lets save that incompat here for when they do get in
* Note we don't actually support it, we're just reserving the
* number
*/
#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4)
/*
* older kernels tried to do bigger metadata blocks, but the
* code was pretty buggy. Lets not let them try anymore.
*/
#define BTRFS_FEATURE_INCOMPAT_BIG_METADATA (1ULL << 5)
#define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6)
#define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7)
#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
struct btrfs_ioctl_feature_flags { struct btrfs_ioctl_feature_flags {
__u64 compat_flags; __u64 compat_flags;
__u64 compat_ro_flags; __u64 compat_ro_flags;