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| author | Jeff Mahoney <jeffm@suse.com> | 2016-04-01 23:14:25 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-04-28 12:06:41 +0300 |
| commit | 884f6eca59475bc3cad5c22360523a1261bd5597 (patch) | |
| tree | 72e8f652703a6d7a66fa46db57c4f9ad1a1afbf4 /include/uapi/linux/btrfs.h | |
| parent | 83288b60bf6668933689078973136e0c9d387b38 (diff) | |
| download | linux-884f6eca59475bc3cad5c22360523a1261bd5597.tar.xz | |
btrfs: uapi/linux/btrfs.h migration, document subvol flags
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>
Diffstat (limited to 'include/uapi/linux/btrfs.h')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 9651af3c46a1..0316e23b32cc 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -34,9 +34,6 @@ struct btrfs_ioctl_vol_args { #define BTRFS_DEVICE_PATH_NAME_MAX 1024 -#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) -#define BTRFS_SUBVOL_RDONLY (1ULL << 1) -#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 #define BTRFS_UUID_UNPARSED_SIZE 37 @@ -85,6 +82,20 @@ struct btrfs_ioctl_qgroup_limit_args { struct btrfs_qgroup_limit lim; }; +/* + * flags for subvolumes + * + * Used by: + * struct btrfs_ioctl_vol_args_v2.flags + * + * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls: + * - BTRFS_IOC_SUBVOL_GETFLAGS + * - BTRFS_IOC_SUBVOL_SETFLAGS + */ +#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) +#define BTRFS_SUBVOL_RDONLY (1ULL << 1) +#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) + #define BTRFS_SUBVOL_NAME_MAX 4039 struct btrfs_ioctl_vol_args_v2 { __s64 fd; |