ioctl: add decoding support for btrfs ioctls
* btrfs.c: New file.
* file_ioctl.c: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* configure.ac (AC_CHECK_HEADERS): Add linux/btrfs.h.
(AC_CHECK_MEMBERS): Add struct btrfs_ioctl_feature_flags.compat_flags,
struct btrfs_ioctl_fs_info_args.nodesize,
struct btrfs_ioctl_defrag_range_args.start,
and struct btrfs_ioctl_search_args_v2.buf_size.
(AC_CHECK_DECLS): Add BTRFS_COMPRESS_* enums.
* defs.h (btrfs_ioctl, file_ioctl): New prototypes.
* ioctl.c (ioctl_decode) [HAVE_LINUX_BTRFS_H]: Use btrfs_ioctl.
* xlat/btrfs_balance_args.in: New file.
* xlat/btrfs_balance_ctl_cmds.in: Likewise.
* xlat/btrfs_balance_flags.in: Likewise.
* xlat/btrfs_balance_state.in: Likewise.
* xlat/btrfs_compress_types.in: Likewise.
* xlat/btrfs_defrag_flags.in: Likewise.
* xlat/btrfs_dev_replace_cmds.in: Likewise.
* xlat/btrfs_dev_replace_results.in: Likewise.
* xlat/btrfs_dev_replace_state.in: Likewise.
* xlat/btrfs_dev_stats_flags.in: Likewise.
* xlat/btrfs_dev_stats_values.in: Likewise.
* xlat/btrfs_features_compat.in: Likewise.
* xlat/btrfs_features_compat_ro.in: Likewise.
* xlat/btrfs_features_incompat.in: Likewise.
* xlat/btrfs_key_types.in: Likewise.
* xlat/btrfs_qgroup_ctl_cmds.in: Likewise.
* xlat/btrfs_qgroup_inherit_flags.in: Likewise.
* xlat/btrfs_qgroup_limit_flags.in: Likewise.
* xlat/btrfs_qgroup_status_flags.in: Likewise.
* xlat/btrfs_scrub_flags.in: Likewise.
* xlat/btrfs_send_flags.in: Likewise.
* xlat/btrfs_snap_flags_v2.in: Likewise.
* xlat/btrfs_space_info_flags.in: Likewise.
* xlat/btrfs_tree_objectids.in: Likewise.
diff --git a/configure.ac b/configure.ac
index e50390e..6d2d148 100644
--- a/configure.ac
+++ b/configure.ac
@@ -453,6 +453,18 @@
],, [#include <linux/types.h>
#include <asm/statfs.h>])
+AC_CHECK_HEADERS([linux/btrfs.h], [
+ AC_CHECK_MEMBERS(m4_normalize([
+ struct btrfs_ioctl_feature_flags.compat_flags,
+ struct btrfs_ioctl_fs_info_args.nodesize,
+ struct btrfs_ioctl_defrag_range_args.start
+ struct btrfs_ioctl_search_args_v2.buf_size
+ ]),,, [ #include <stdio.h>
+#include <linux/btrfs.h>])
+ AC_CHECK_DECLS(m4_normalize([BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB,
+ BTRFS_COMPRESS_LZO]),,,[ #include <stdio.h>
+#include <linux/btrfs.h>])])
+
AC_CHECK_DECLS([sys_errlist])
AC_CHECK_DECLS(m4_normalize([
PTRACE_PEEKUSER,