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authorFilipe Brandenburger <filbranden@google.com>2013-01-29 07:04:50 +0100
committerJosef Bacik <jbacik@fusionio.com>2013-02-20 15:37:28 +0100
commit55e301fd57a6239ec14b91a1cf2e70b3dd135194 (patch)
treefe9765a071ef00dd13c144bcfc163584dfcebcbe /include
parentBtrfs: Check CAP_DAC_READ_SEARCH for BTRFS_IOC_INO_PATHS (diff)
downloadlinux-55e301fd57a6239ec14b91a1cf2e70b3dd135194.tar.xz
linux-55e301fd57a6239ec14b91a1cf2e70b3dd135194.zip
Btrfs: move fs/btrfs/ioctl.h to include/uapi/linux/btrfs.h
The header file will then be installed under /usr/include/linux so that userspace applications can refer to Btrfs ioctls by name and use the same structs used internally in the kernel. Signed-off-by: Filipe Brandenburger <filbranden@google.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/btrfs.h6
-rw-r--r--include/uapi/linux/Kbuild1
-rw-r--r--include/uapi/linux/btrfs.h503
3 files changed, 510 insertions, 0 deletions
diff --git a/include/linux/btrfs.h b/include/linux/btrfs.h
new file mode 100644
index 000000000000..22d799147db2
--- /dev/null
+++ b/include/linux/btrfs.h
@@ -0,0 +1,6 @@
+#ifndef _LINUX_BTRFS_H
+#define _LINUX_BTRFS_H
+
+#include <uapi/linux/btrfs.h>
+
+#endif /* _LINUX_BTRFS_H */
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 19e765fbfef7..896ee1247294 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -68,6 +68,7 @@ header-y += blkpg.h
header-y += blktrace_api.h
header-y += bpqether.h
header-y += bsg.h
+header-y += btrfs.h
header-y += can.h
header-y += capability.h
header-y += capi.h
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
new file mode 100644
index 000000000000..cffbb582dd90
--- /dev/null
+++ b/include/uapi/linux/btrfs.h
@@ -0,0 +1,503 @@
+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef _UAPI_LINUX_BTRFS_H
+#define _UAPI_LINUX_BTRFS_H
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define BTRFS_IOCTL_MAGIC 0x94
+#define BTRFS_VOL_NAME_MAX 255
+
+/* this should be 4k */
+#define BTRFS_PATH_NAME_MAX 4087
+struct btrfs_ioctl_vol_args {
+ __s64 fd;
+ char name[BTRFS_PATH_NAME_MAX + 1];
+};
+
+#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_QGROUP_INHERIT_SET_LIMITS (1ULL << 0)
+
+struct btrfs_qgroup_limit {
+ __u64 flags;
+ __u64 max_rfer;
+ __u64 max_excl;
+ __u64 rsv_rfer;
+ __u64 rsv_excl;
+};
+
+struct btrfs_qgroup_inherit {
+ __u64 flags;
+ __u64 num_qgroups;
+ __u64 num_ref_copies;
+ __u64 num_excl_copies;
+ struct btrfs_qgroup_limit lim;
+ __u64 qgroups[0];
+};
+
+struct btrfs_ioctl_qgroup_limit_args {
+ __u64 qgroupid;
+ struct btrfs_qgroup_limit lim;
+};
+
+#define BTRFS_SUBVOL_NAME_MAX 4039
+struct btrfs_ioctl_vol_args_v2 {
+ __s64 fd;
+ __u64 transid;
+ __u64 flags;
+ union {
+ struct {
+ __u64 size;
+ struct btrfs_qgroup_inherit __user *qgroup_inherit;
+ };
+ __u64 unused[4];
+ };
+ char name[BTRFS_SUBVOL_NAME_MAX + 1];
+};
+
+/*
+ * structure to report errors and progress to userspace, either as a
+ * result of a finished scrub, a canceled scrub or a progress inquiry
+ */
+struct btrfs_scrub_progress {
+ __u64 data_extents_scrubbed; /* # of data extents scrubbed */
+ __u64 tree_extents_scrubbed; /* # of tree extents scrubbed */
+ __u64 data_bytes_scrubbed; /* # of data bytes scrubbed */
+ __u64 tree_bytes_scrubbed; /* # of tree bytes scrubbed */
+ __u64 read_errors; /* # of read errors encountered (EIO) */
+ __u64 csum_errors; /* # of failed csum checks */
+ __u64 verify_errors; /* # of occurences, where the metadata
+ * of a tree block did not match the
+ * expected values, like generation or
+ * logical */
+ __u64 no_csum; /* # of 4k data block for which no csum
+ * is present, probably the result of
+ * data written with nodatasum */
+ __u64 csum_discards; /* # of csum for which no data was found
+ * in the extent tree. */
+ __u64 super_errors; /* # of bad super blocks encountered */
+ __u64 malloc_errors; /* # of internal kmalloc errors. These
+ * will likely cause an incomplete
+ * scrub */
+ __u64 uncorrectable_errors; /* # of errors where either no intact
+ * copy was found or the writeback
+ * failed */
+ __u64 corrected_errors; /* # of errors corrected */
+ __u64 last_physical; /* last physical address scrubbed. In
+ * case a scrub was aborted, this can
+ * be used to restart the scrub */
+ __u64 unverified_errors; /* # of occurences where a read for a
+ * full (64k) bio failed, but the re-
+ * check succeeded for each 4k piece.
+ * Intermittent error. */
+};
+
+#define BTRFS_SCRUB_READONLY 1
+struct btrfs_ioctl_scrub_args {
+ __u64 devid; /* in */
+ __u64 start; /* in */
+ __u64 end; /* in */
+ __u64 flags; /* in */
+ struct btrfs_scrub_progress progress; /* out */
+ /* pad to 1k */
+ __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
+};
+
+#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS 0
+#define BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID 1
+struct btrfs_ioctl_dev_replace_start_params {
+ __u64 srcdevid; /* in, if 0, use srcdev_name instead */
+ __u64 cont_reading_from_srcdev_mode; /* in, see #define
+ * above */
+ __u8 srcdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
+ __u8 tgtdev_name[BTRFS_DEVICE_PATH_NAME_MAX + 1]; /* in */
+};
+
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_NEVER_STARTED 0
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED 1
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_FINISHED 2
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED 3
+#define BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED 4
+struct btrfs_ioctl_dev_replace_status_params {
+ __u64 replace_state; /* out, see #define above */
+ __u64 progress_1000; /* out, 0 <= x <= 1000 */
+ __u64 time_started; /* out, seconds since 1-Jan-1970 */
+ __u64 time_stopped; /* out, seconds since 1-Jan-1970 */
+ __u64 num_write_errors; /* out */
+ __u64 num_uncorrectable_read_errors; /* out */
+};
+
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_START 0
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS 1
+#define BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL 2
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR 0
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED 1
+#define BTRFS_IOCTL_DEV_REPLACE_RESULT_ALREADY_STARTED 2
+struct btrfs_ioctl_dev_replace_args {
+ __u64 cmd; /* in */
+ __u64 result; /* out */
+
+ union {
+ struct btrfs_ioctl_dev_replace_start_params start;
+ struct btrfs_ioctl_dev_replace_status_params status;
+ }; /* in/out */
+
+ __u64 spare[64];
+};
+
+struct btrfs_ioctl_dev_info_args {
+ __u64 devid; /* in/out */
+ __u8 uuid[BTRFS_UUID_SIZE]; /* in/out */
+ __u64 bytes_used; /* out */
+ __u64 total_bytes; /* out */
+ __u64 unused[379]; /* pad to 4k */
+ __u8 path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
+};
+
+struct btrfs_ioctl_fs_info_args {
+ __u64 max_id; /* out */
+ __u64 num_devices; /* out */
+ __u8 fsid[BTRFS_FSID_SIZE]; /* out */
+ __u64 reserved[124]; /* pad to 1k */
+};
+
+/* balance control ioctl modes */
+#define BTRFS_BALANCE_CTL_PAUSE 1
+#define BTRFS_BALANCE_CTL_CANCEL 2
+
+/*
+ * this is packed, because it should be exactly the same as its disk
+ * byte order counterpart (struct btrfs_disk_balance_args)
+ */
+struct btrfs_balance_args {
+ __u64 profiles;
+ __u64 usage;
+ __u64 devid;
+ __u64 pstart;
+ __u64 pend;
+ __u64 vstart;
+ __u64 vend;
+
+ __u64 target;
+
+ __u64 flags;
+
+ __u64 unused[8];
+} __attribute__ ((__packed__));
+
+/* report balance progress to userspace */
+struct btrfs_balance_progress {
+ __u64 expected; /* estimated # of chunks that will be
+ * relocated to fulfill the request */
+ __u64 considered; /* # of chunks we have considered so far */
+ __u64 completed; /* # of chunks relocated so far */
+};
+
+#define BTRFS_BALANCE_STATE_RUNNING (1ULL << 0)
+#define BTRFS_BALANCE_STATE_PAUSE_REQ (1ULL << 1)
+#define BTRFS_BALANCE_STATE_CANCEL_REQ (1ULL << 2)
+
+struct btrfs_ioctl_balance_args {
+ __u64 flags; /* in/out */
+ __u64 state; /* out */
+
+ struct btrfs_balance_args data; /* in/out */
+ struct btrfs_balance_args meta; /* in/out */
+ struct btrfs_balance_args sys; /* in/out */
+
+ struct btrfs_balance_progress stat; /* out */
+
+ __u64 unused[72]; /* pad to 1k */
+};
+
+#define BTRFS_INO_LOOKUP_PATH_MAX 4080
+struct btrfs_ioctl_ino_lookup_args {
+ __u64 treeid;
+ __u64 objectid;
+ char name[BTRFS_INO_LOOKUP_PATH_MAX];
+};
+
+struct btrfs_ioctl_search_key {
+ /* which root are we searching. 0 is the tree of tree roots */
+ __u64 tree_id;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_objectid;
+ __u64 max_objectid;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_offset;
+ __u64 max_offset;
+
+ /* max and min transids to search for */
+ __u64 min_transid;
+ __u64 max_transid;
+
+ /* keys returned will be >= min and <= max */
+ __u32 min_type;
+ __u32 max_type;
+
+ /*
+ * how many items did userland ask for, and how many are we
+ * returning
+ */
+ __u32 nr_items;
+
+ /* align to 64 bits */
+ __u32 unused;
+
+ /* some extra for later */
+ __u64 unused1;
+ __u64 unused2;
+ __u64 unused3;
+ __u64 unused4;
+};
+
+struct btrfs_ioctl_search_header {
+ __u64 transid;
+ __u64 objectid;
+ __u64 offset;
+ __u32 type;
+ __u32 len;
+};
+
+#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
+/*
+ * the buf is an array of search headers where
+ * each header is followed by the actual item
+ * the type field is expanded to 32 bits for alignment
+ */
+struct btrfs_ioctl_search_args {
+ struct btrfs_ioctl_search_key key;
+ char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
+};
+
+struct btrfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_offset, src_length;
+ __u64 dest_offset;
+};
+
+/* flags for the defrag range ioctl */
+#define BTRFS_DEFRAG_RANGE_COMPRESS 1
+#define BTRFS_DEFRAG_RANGE_START_IO 2
+
+struct btrfs_ioctl_space_info {
+ __u64 flags;
+ __u64 total_bytes;
+ __u64 used_bytes;
+};
+
+struct btrfs_ioctl_space_args {
+ __u64 space_slots;
+ __u64 total_spaces;
+ struct btrfs_ioctl_space_info spaces[0];
+};
+
+struct btrfs_data_container {
+ __u32 bytes_left; /* out -- bytes not needed to deliver output */
+ __u32 bytes_missing; /* out -- additional bytes needed for result */
+ __u32 elem_cnt; /* out */
+ __u32 elem_missed; /* out */
+ __u64 val[0]; /* out */
+};
+
+struct btrfs_ioctl_ino_path_args {
+ __u64 inum; /* in */
+ __u64 size; /* in */
+ __u64 reserved[4];
+ /* struct btrfs_data_container *fspath; out */
+ __u64 fspath; /* out */
+};
+
+struct btrfs_ioctl_logical_ino_args {
+ __u64 logical; /* in */
+ __u64 size; /* in */
+ __u64 reserved[4];
+ /* struct btrfs_data_container *inodes; out */
+ __u64 inodes;
+};
+
+enum btrfs_dev_stat_values {
+ /* disk I/O failure stats */
+ BTRFS_DEV_STAT_WRITE_ERRS, /* EIO or EREMOTEIO from lower layers */
+ BTRFS_DEV_STAT_READ_ERRS, /* EIO or EREMOTEIO from lower layers */
+ BTRFS_DEV_STAT_FLUSH_ERRS, /* EIO or EREMOTEIO from lower layers */
+
+ /* stats for indirect indications for I/O failures */
+ BTRFS_DEV_STAT_CORRUPTION_ERRS, /* checksum error, bytenr error or
+ * contents is illegal: this is an
+ * indication that the block was damaged
+ * during read or write, or written to
+ * wrong location or read from wrong
+ * location */
+ BTRFS_DEV_STAT_GENERATION_ERRS, /* an indication that blocks have not
+ * been written */
+
+ BTRFS_DEV_STAT_VALUES_MAX
+};
+
+/* Reset statistics after reading; needs SYS_ADMIN capability */
+#define BTRFS_DEV_STATS_RESET (1ULL << 0)
+
+struct btrfs_ioctl_get_dev_stats {
+ __u64 devid; /* in */
+ __u64 nr_items; /* in/out */
+ __u64 flags; /* in/out */
+
+ /* out values: */
+ __u64 values[BTRFS_DEV_STAT_VALUES_MAX];
+
+ __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */
+};
+
+#define BTRFS_QUOTA_CTL_ENABLE 1
+#define BTRFS_QUOTA_CTL_DISABLE 2
+#define BTRFS_QUOTA_CTL_RESCAN 3
+struct btrfs_ioctl_quota_ctl_args {
+ __u64 cmd;
+ __u64 status;
+};
+
+struct btrfs_ioctl_qgroup_assign_args {
+ __u64 assign;
+ __u64 src;
+ __u64 dst;
+};
+
+struct btrfs_ioctl_qgroup_create_args {
+ __u64 create;
+ __u64 qgroupid;
+};
+struct btrfs_ioctl_timespec {
+ __u64 sec;
+ __u32 nsec;
+};
+
+struct btrfs_ioctl_received_subvol_args {
+ char uuid[BTRFS_UUID_SIZE]; /* in */
+ __u64 stransid; /* in */
+ __u64 rtransid; /* out */
+ struct btrfs_ioctl_timespec stime; /* in */
+ struct btrfs_ioctl_timespec rtime; /* out */
+ __u64 flags; /* in */
+ __u64 reserved[16]; /* in */
+};
+
+struct btrfs_ioctl_send_args {
+ __s64 send_fd; /* in */
+ __u64 clone_sources_count; /* in */
+ __u64 __user *clone_sources; /* in */
+ __u64 parent_root; /* in */
+ __u64 flags; /* in */
+ __u64 reserved[4]; /* in */
+};
+
+#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
+ struct btrfs_ioctl_vol_args)
+/* trans start and trans end are dangerous, and only for
+ * use by applications that know how to avoid the
+ * resulting deadlocks
+ */
+#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
+#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
+#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
+
+#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
+#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
+ struct btrfs_ioctl_vol_args)
+
+#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
+ struct btrfs_ioctl_clone_range_args)
+
+#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
+ struct btrfs_ioctl_defrag_range_args)
+#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+ struct btrfs_ioctl_search_args)
+#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
+ struct btrfs_ioctl_ino_lookup_args)
+#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
+#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
+ struct btrfs_ioctl_space_args)
+#define BTRFS_IOC_START_SYNC _IOR(BTRFS_IOCTL_MAGIC, 24, __u64)
+#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
+#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
+ struct btrfs_ioctl_vol_args_v2)
+#define BTRFS_IOC_SUBVOL_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 24, \
+ struct btrfs_ioctl_vol_args_v2)
+#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
+#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
+#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
+ struct btrfs_ioctl_scrub_args)
+#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
+#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
+ struct btrfs_ioctl_scrub_args)
+#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
+ struct btrfs_ioctl_dev_info_args)
+#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
+ struct btrfs_ioctl_fs_info_args)
+#define BTRFS_IOC_BALANCE_V2 _IOWR(BTRFS_IOCTL_MAGIC, 32, \
+ struct btrfs_ioctl_balance_args)
+#define BTRFS_IOC_BALANCE_CTL _IOW(BTRFS_IOCTL_MAGIC, 33, int)
+#define BTRFS_IOC_BALANCE_PROGRESS _IOR(BTRFS_IOCTL_MAGIC, 34, \
+ struct btrfs_ioctl_balance_args)
+#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
+ struct btrfs_ioctl_ino_path_args)
+#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
+ struct btrfs_ioctl_ino_path_args)
+#define BTRFS_IOC_SET_RECEIVED_SUBVOL _IOWR(BTRFS_IOCTL_MAGIC, 37, \
+ struct btrfs_ioctl_received_subvol_args)
+#define BTRFS_IOC_SEND _IOW(BTRFS_IOCTL_MAGIC, 38, struct btrfs_ioctl_send_args)
+#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
+ struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
+ struct btrfs_ioctl_quota_ctl_args)
+#define BTRFS_IOC_QGROUP_ASSIGN _IOW(BTRFS_IOCTL_MAGIC, 41, \
+ struct btrfs_ioctl_qgroup_assign_args)
+#define BTRFS_IOC_QGROUP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 42, \
+ struct btrfs_ioctl_qgroup_create_args)
+#define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
+ struct btrfs_ioctl_qgroup_limit_args)
+#define BTRFS_IOC_GET_DEV_STATS _IOWR(BTRFS_IOCTL_MAGIC, 52, \
+ struct btrfs_ioctl_get_dev_stats)
+#define BTRFS_IOC_DEV_REPLACE _IOWR(BTRFS_IOCTL_MAGIC, 53, \
+ struct btrfs_ioctl_dev_replace_args)
+
+#endif /* _UAPI_LINUX_BTRFS_H */