linux-kernel - [PATCH 19/22] tools: Update asm-generic/mman-common.h copy from the kernel

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Message-Id: <20170424195439.29875-20-acme@kernel.org>
Date:   Mon, 24 Apr 2017 16:54:36 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Ahern <dsahern@...il.com>,
        David Howells <dhowells@...hat.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 19/22] tools: Update asm-generic/mman-common.h copy from the kernel

From: Arnaldo Carvalho de Melo <acme@...hat.com>

To get the changes in the commit Fixes: 3209f68b3ca4 ("statx: Include a
mask for stx_attributes in struct statx")

Silencing this perf build warning:

  Warning: tools/include/uapi/linux/stat.h differs from kernel

No need to change the statx syscall beautifiers in 'perf trace' at this
time.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: David Ahern <dsahern@...il.com>
Cc: David Howells <dhowells@...hat.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-y8bgiyzuvura62lffvh1zbg9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/include/uapi/linux/stat.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index 51a6b86e3700..d538897b8e08 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -114,7 +114,7 @@ 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 */
@@ -152,9 +152,10 @@ struct statx {
 #define STATX_BASIC_STATS	0x000007ffU	/* The stuff in the normal stat struct */
 #define STATX_BTIME		0x00000800U	/* Want/got stx_btime */
 #define STATX_ALL		0x00000fffU	/* All currently supported flags */
+#define STATX__RESERVED		0x80000000U	/* Reserved for future struct statx expansion */
 
 /*
- * Attributes to be found in stx_attributes
+ * Attributes to be found in stx_attributes and masked in stx_attributes_mask.
  *
  * These give information about the features or the state of a file that might
  * be of use to ordinary userspace programs such as GUIs or ls rather than
-- 
2.9.3