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Subject[PATCH v2 3/5] statx: add STATX_ATTRIBUTES flag
Date
FUSE will want to know if stx_attributes is interesting or not, because
there's a non-zero cost of retreiving it.

This just a "want" flag, since stx_attributes_mask already indicates
whether we "got" stx_attributes or not.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
---
include/uapi/linux/stat.h | 1 +
samples/statx/test-statx.c | 2 +-
tools/include/uapi/linux/stat.h | 1 +
3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h
index ed456ac0f90d..7d3cce078652 100644
--- a/include/uapi/linux/stat.h
+++ b/include/uapi/linux/stat.h
@@ -148,6 +148,7 @@ 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_ATTRIBUTES 0x00001000U /* Want stx_attributes */

#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */

diff --git a/samples/statx/test-statx.c b/samples/statx/test-statx.c
index e354048dea3c..deef9a68ff68 100644
--- a/samples/statx/test-statx.c
+++ b/samples/statx/test-statx.c
@@ -211,7 +211,7 @@ int main(int argc, char **argv)
struct statx stx;
int ret, raw = 0, atflag = AT_SYMLINK_NOFOLLOW;

- unsigned int mask = STATX_BASIC_STATS | STATX_BTIME;
+ unsigned int mask = STATX_BASIC_STATS | STATX_BTIME | STATX_ATTRIBUTES;

for (argv++; *argv; argv++) {
if (strcmp(*argv, "-F") == 0) {
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index ed456ac0f90d..60cd0a3f52e7 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -148,6 +148,7 @@ 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_ATTRIBUTES 0x00001000U /* Want/got stx_attributes */

#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */

--
2.14.3
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