From: Arnaldo Carvalho de Melo <a...@redhat.com>
To pick the changes from:
9ffb14ef61bab83f ("move_mount: allow to add a mount into an existing group")
That ends up adding support for the new MOVE_MOUNT_SET_GROUP move_mount
flag.
$ tools/perf/trace/beauty/move_mount_flags.sh > before
$ cp include/uapi/linux/mount.h tools/include/uapi/linux/mount.h
$ tools/perf/trace/beauty/move_mount_flags.sh > after
$ diff -u before after
--- before 2021-09-10 12:28:43.865279808 -0300
+++ after 2021-09-10 12:28:50.183429184 -0300
@@ -5,4 +5,5 @@
[ilog2(0x00000010) + 1] = "T_SYMLINKS",
[ilog2(0x00000020) + 1] = "T_AUTOMOUNTS",
[ilog2(0x00000040) + 1] = "T_EMPTY_PATH",
+ [ilog2(0x00000100) + 1] = "SET_GROUP",
};
$
So now one can use it in --filter expressions for tracepoints.
This silences this perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/linux/mount.h' differs from
latest version at 'include/uapi/linux/mount.h'
diff -u tools/include/uapi/linux/mount.h include/uapi/linux/mount.h
Cc: Christian Brauner <christian.brau...@ubuntu.com>
Cc: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
https://jira.sw.ru/browse/PSBM-144416
(cherry picked from commit 37ce9e4fc596cf10a4d32ced741679bd1b4fa7a5)
Signed-off-by: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
---
tools/include/uapi/linux/mount.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/include/uapi/linux/mount.h b/tools/include/uapi/linux/mount.h
index dd7a166fdf9c..4d93967f8aea 100644
--- a/tools/include/uapi/linux/mount.h
+++ b/tools/include/uapi/linux/mount.h
@@ -73,7 +73,8 @@
#define MOVE_MOUNT_T_SYMLINKS 0x00000010 /* Follow symlinks on to
path */
#define MOVE_MOUNT_T_AUTOMOUNTS 0x00000020 /* Follow automounts
on to path */
#define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path
permitted */
-#define MOVE_MOUNT__MASK 0x00000077
+#define MOVE_MOUNT_SET_GROUP 0x00000100 /* Set sharing group instead
*/
+#define MOVE_MOUNT__MASK 0x00000177
/*
* fsopen() flags.
--
2.39.2
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