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busybox: add strictatime support to mount

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systemd uses strictatime when mounting tmpfs.  Luckily this is already supported
upstream, so backport the patch from git.

(From OE-Core rev: 7379a5a2035ef670329551783c372d9310ddd983)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2013-03-22 15:50:43 +00:00
committed by Richard Purdie
parent 58a6a7c056
commit c2aab97e96
2 changed files with 51 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-core/busybox/busybox-1.20.2/strict-atime.patch
+49
View File
@@ -0,0 +1,49 @@
Add support for the "strictatime" mount option.
Upstream-Status: Backport [9ad8979ff15e1b894ee1f4bb6a2535a1a2c20d65]
Signed-off-by: Ross Burton <ross.burton@intel.com>
Index: busybox-1.20.2/util-linux/mount.c
===================================================================
--- busybox-1.20.2.orig/util-linux/mount.c 2012-07-02 15:08:25.000000000 +0100
+++ busybox-1.20.2/util-linux/mount.c 2013-03-22 15:37:31.340277463 +0000
@@ -113,6 +113,12 @@
#ifndef MS_RELATIME
# define MS_RELATIME (1 << 21)
#endif
+#ifndef MS_STRICTATIME
+# define MS_STRICTATIME (1 << 24)
+#endif
+
+/* Any ~MS_FOO value has this bit set: */
+#define BB_MS_INVERTED_VALUE (1u << 31)
#include "libbb.h"
#if ENABLE_FEATURE_MOUNT_LABEL
@@ -239,6 +245,7 @@
/* "nomand" */ ~MS_MANDLOCK,
/* "relatime" */ MS_RELATIME,
/* "norelatime" */ ~MS_RELATIME,
+ /* "strictatime" */ MS_STRICTATIME,
/* "loud" */ ~MS_SILENT,
/* "rbind" */ MS_BIND|MS_RECURSIVE,
@@ -295,6 +302,7 @@
"nomand\0"
"relatime\0"
"norelatime\0"
+ "strictatime\0"
"loud\0"
"rbind\0"
@@ -466,8 +474,8 @@
// Find this option in mount_options
for (i = 0; i < ARRAY_SIZE(mount_options); i++) {
if (strcasecmp(option_str, options) == 0) {
- long fl = mount_options[i];
- if (fl < 0)
+ unsigned long fl = mount_options[i];
+ if (fl & BB_MS_INVERTED_VALUE)
flags &= fl;
else
flags |= fl;
meta/recipes-core/busybox/busybox_1.20.2.bb
+2 -1
View File
@@ -30,7 +30,8 @@ SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
file://stat-usr-bin.patch \
file://busybox-syslog.service.in \
file://busybox-klogd.service.in \
file://testsuite-du-du-k-works-fix-false-positive.patch"
file://testsuite-du-du-k-works-fix-false-positive.patch \
file://strict-atime.patch"
SRC_URI[tarball.md5sum] = "e025414bc6cd79579cc7a32a45d3ae1c"
SRC_URI[tarball.sha256sum] = "eb13ff01dae5618ead2ef6f92ba879e9e0390f9583bd545d8789d27cf39b6882"