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authorArnaldo Carvalho de Melo <acme@redhat.com>2023-07-11 18:51:37 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-07-11 19:01:23 +0300
commit920b91d92702784f34b7c70b86ca051ba1c94430 (patch)
treedab766cb821d53f16c847c6bf1152ba5cbe58664 /tools
parent225bbf44bffd30dfde7449c9e74b3ea238397113 (diff)
downloadlinux-920b91d92702784f34b7c70b86ca051ba1c94430.tar.xz
tools include UAPI: Sync linux/mount.h copy with the kernel sources
To pick the changes from: 6ac392815628f317 ("fs: allow to mount beneath top mount") That, after a fix to the move_mount_flags.sh script, harvests the new MOVE_MOUNT_BENEATH 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 2023-07-11 12:38:49.244886707 -0300 +++ after 2023-07-11 12:51:15.125255940 -0300 @@ -6,4 +6,5 @@ [ilog2(0x00000020) + 1] = "T_AUTOMOUNTS", [ilog2(0x00000040) + 1] = "T_EMPTY_PATH", [ilog2(0x00000100) + 1] = "SET_GROUP", + [ilog2(0x00000200) + 1] = "BENEATH", }; $ That will then be properly decoded when used in tools like: # perf trace -e move_mount This addresses this perf build warning: Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/mount.h include/uapi/linux/mount.h Cc: Christian Brauner <brauner@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/ZK17kifP%2FiYl+Hcc@kernel.org/ Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/include/uapi/linux/mount.h3
-rwxr-xr-xtools/perf/trace/beauty/move_mount_flags.sh2
2 files changed, 3 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/mount.h b/tools/include/uapi/linux/mount.h
index 4d93967f8aea..8eb0d7b758d2 100644
--- a/tools/include/uapi/linux/mount.h
+++ b/tools/include/uapi/linux/mount.h
@@ -74,7 +74,8 @@
#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_SET_GROUP 0x00000100 /* Set sharing group instead */
-#define MOVE_MOUNT__MASK 0x00000177
+#define MOVE_MOUNT_BENEATH 0x00000200 /* Mount beneath top mount */
+#define MOVE_MOUNT__MASK 0x00000377
/*
* fsopen() flags.
diff --git a/tools/perf/trace/beauty/move_mount_flags.sh b/tools/perf/trace/beauty/move_mount_flags.sh
index 32e552faf37a..ce5e632d1448 100755
--- a/tools/perf/trace/beauty/move_mount_flags.sh
+++ b/tools/perf/trace/beauty/move_mount_flags.sh
@@ -10,7 +10,7 @@ fi
linux_mount=${linux_header_dir}/mount.h
printf "static const char *move_mount_flags[] = {\n"
-regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MOVE_MOUNT_([^_]+_[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
+regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+MOVE_MOUNT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
grep -E $regex ${linux_mount} | \
sed -r "s/$regex/\2 \1/g" | \
xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"