summaryrefslogtreecommitdiff
path: root/include/uapi/linux/btrfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/btrfs.h')
-rw-r--r--include/uapi/linux/btrfs.h40
1 files changed, 32 insertions, 8 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 3ee0678c0a83..e6b6cb0f8bc6 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -36,17 +36,22 @@ struct btrfs_ioctl_vol_args {
#define BTRFS_DEVICE_PATH_NAME_MAX 1024
#define BTRFS_SUBVOL_NAME_MAX 4039
-#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
+#ifndef __KERNEL__
+/* Deprecated since 5.7 */
+# define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
+#endif
#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2)
#define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3)
+#define BTRFS_SUBVOL_SPEC_BY_ID (1ULL << 4)
+
#define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \
- (BTRFS_SUBVOL_CREATE_ASYNC | \
- BTRFS_SUBVOL_RDONLY | \
+ (BTRFS_SUBVOL_RDONLY | \
BTRFS_SUBVOL_QGROUP_INHERIT | \
- BTRFS_DEVICE_SPEC_BY_ID)
+ BTRFS_DEVICE_SPEC_BY_ID | \
+ BTRFS_SUBVOL_SPEC_BY_ID)
#define BTRFS_FSID_SIZE 16
#define BTRFS_UUID_SIZE 16
@@ -97,16 +102,29 @@ struct btrfs_ioctl_qgroup_limit_args {
};
/*
- * flags for subvolumes
+ * Arguments for specification of subvolumes or devices, supporting by-name or
+ * by-id and flags
*
- * Used by:
- * struct btrfs_ioctl_vol_args_v2.flags
+ * The set of supported flags depends on the ioctl
*
* BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls:
* - BTRFS_IOC_SUBVOL_GETFLAGS
* - BTRFS_IOC_SUBVOL_SETFLAGS
*/
+/* Supported flags for BTRFS_IOC_RM_DEV_V2 */
+#define BTRFS_DEVICE_REMOVE_ARGS_MASK \
+ (BTRFS_DEVICE_SPEC_BY_ID)
+
+/* Supported flags for BTRFS_IOC_SNAP_CREATE_V2 and BTRFS_IOC_SUBVOL_CREATE_V2 */
+#define BTRFS_SUBVOL_CREATE_ARGS_MASK \
+ (BTRFS_SUBVOL_RDONLY | \
+ BTRFS_SUBVOL_QGROUP_INHERIT)
+
+/* Supported flags for BTRFS_IOC_SNAP_DESTROY_V2 */
+#define BTRFS_SUBVOL_DELETE_ARGS_MASK \
+ (BTRFS_SUBVOL_SPEC_BY_ID)
+
struct btrfs_ioctl_vol_args_v2 {
__s64 fd;
__u64 transid;
@@ -121,6 +139,7 @@ struct btrfs_ioctl_vol_args_v2 {
union {
char name[BTRFS_SUBVOL_NAME_MAX + 1];
__u64 devid;
+ __u64 subvolid;
};
};
@@ -270,6 +289,7 @@ struct btrfs_ioctl_fs_info_args {
#define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8)
#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9)
#define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10)
+#define BTRFS_FEATURE_INCOMPAT_RAID1C34 (1ULL << 11)
struct btrfs_ioctl_feature_flags {
__u64 compat_flags;
@@ -831,7 +851,9 @@ enum btrfs_err_code {
BTRFS_ERROR_DEV_TGT_REPLACE,
BTRFS_ERROR_DEV_MISSING_NOT_FOUND,
BTRFS_ERROR_DEV_ONLY_WRITABLE,
- BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS
+ BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS,
+ BTRFS_ERROR_DEV_RAID1C3_MIN_NOT_MET,
+ BTRFS_ERROR_DEV_RAID1C4_MIN_NOT_MET,
};
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
@@ -946,5 +968,7 @@ enum btrfs_err_code {
struct btrfs_ioctl_get_subvol_rootref_args)
#define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, \
struct btrfs_ioctl_ino_lookup_user_args)
+#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, \
+ struct btrfs_ioctl_vol_args_v2)
#endif /* _UAPI_LINUX_BTRFS_H */