linux-kernel - [PATCH xfstests v1 1/2] statx: update headers to include newer statx fields

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Message-ID: <20240828103706.2393267-1-cyphar@cyphar.com>
Date: Wed, 28 Aug 2024 20:37:05 +1000
From: Aleksa Sarai <cyphar@...har.com>
To: fstests@...r.kernel.org,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Chuck Lever <chuck.lever@...cle.com>,
	Jeff Layton <jlayton@...nel.org>,
	Amir Goldstein <amir73il@...il.com>,
	Alexander Aring <alex.aring@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>
Cc: Aleksa Sarai <cyphar@...har.com>,
	Christoph Hellwig <hch@...radead.org>,
	Josef Bacik <josef@...icpanda.com>,
	linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org,
	linux-perf-users@...r.kernel.org
Subject: [PATCH xfstests v1 1/2] statx: update headers to include newer statx fields

These come from Linux v6.11-rc5.

Signed-off-by: Aleksa Sarai <cyphar@...har.com>
---
 src/open_by_handle.c |  4 +++-
 src/statx.h          | 22 ++++++++++++++++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/open_by_handle.c b/src/open_by_handle.c
index 0f74ed08b1f0..d9c802ca9bd1 100644
--- a/src/open_by_handle.c
+++ b/src/open_by_handle.c
@@ -82,12 +82,14 @@ Examples:
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include <sys/stat.h>
 #include <sys/types.h>
 #include <errno.h>
 #include <linux/limits.h>
 #include <libgen.h>
 
+#include <sys/stat.h>
+#include "statx.h"
+
 #define MAXFILES 1024
 
 struct handle {
diff --git a/src/statx.h b/src/statx.h
index 3f239d791dfe..935cb2ed415e 100644
--- a/src/statx.h
+++ b/src/statx.h
@@ -102,7 +102,7 @@ struct statx {
 	__u64	stx_ino;	/* Inode number */
 	__u64	stx_size;	/* File size */
 	__u64	stx_blocks;	/* Number of 512-byte blocks allocated */
-	__u64	__spare1[1];
+	__u64	stx_attributes_mask; /* Mask to show what's supported in stx_attributes */
 	/* 0x40 */
 	struct statx_timestamp	stx_atime;	/* Last access time */
 	struct statx_timestamp	stx_btime;	/* File creation time */
@@ -114,7 +114,18 @@ struct statx {
 	__u32	stx_dev_major;	/* ID of device containing file [uncond] */
 	__u32	stx_dev_minor;
 	/* 0x90 */
-	__u64	__spare2[14];	/* Spare space for future expansion */
+	__u64	stx_mnt_id;
+	__u32	stx_dio_mem_align;	/* Memory buffer alignment for direct I/O */
+	__u32	stx_dio_offset_align;	/* File offset alignment for direct I/O */
+	/* 0xa0 */
+	__u64	stx_subvol;	/* Subvolume identifier */
+	__u32	stx_atomic_write_unit_min;	/* Min atomic write unit in bytes */
+	__u32	stx_atomic_write_unit_max;	/* Max atomic write unit in bytes */
+	/* 0xb0 */
+	__u32   stx_atomic_write_segments_max;	/* Max atomic write segment count */
+	__u32   __spare1[1];
+	/* 0xb8 */
+	__u64	__spare3[9];	/* Spare space for future expansion */
 	/* 0x100 */
 };
 
@@ -139,6 +150,13 @@ struct statx {
 #define STATX_BLOCKS		0x00000400U	/* Want/got stx_blocks */
 #define STATX_BASIC_STATS	0x000007ffU	/* The stuff in the normal stat struct */
 #define STATX_BTIME		0x00000800U	/* Want/got stx_btime */
+#define STATX_MNT_ID		0x00001000U	/* Got stx_mnt_id */
+#define STATX_DIOALIGN		0x00002000U	/* Want/got direct I/O alignment info */
+#define STATX_MNT_ID_UNIQUE	0x00004000U	/* Want/got extended stx_mount_id */
+#define STATX_SUBVOL		0x00008000U	/* Want/got stx_subvol */
+#define STATX_WRITE_ATOMIC	0x00010000U	/* Want/got atomic_write_* fields */
+
+#define STATX__RESERVED		0x80000000U	/* Reserved for future struct statx expansion */
 #define STATX_ALL		0x00000fffU	/* All currently supported flags */
 
 /*
-- 
2.46.0