50 lines
1.4 KiB
Diff
50 lines
1.4 KiB
Diff
Add support for the "strictatime" mount option.
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Upstream-Status: Backport [9ad8979ff15e1b894ee1f4bb6a2535a1a2c20d65]
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Signed-off-by: Ross Burton <ross.burton@intel.com>
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Index: busybox-1.20.2/util-linux/mount.c
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===================================================================
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--- busybox-1.20.2.orig/util-linux/mount.c 2012-07-02 15:08:25.000000000 +0100
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+++ busybox-1.20.2/util-linux/mount.c 2013-03-22 15:37:31.340277463 +0000
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@@ -113,6 +113,12 @@
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#ifndef MS_RELATIME
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# define MS_RELATIME (1 << 21)
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#endif
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+#ifndef MS_STRICTATIME
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+# define MS_STRICTATIME (1 << 24)
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+#endif
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+
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+/* Any ~MS_FOO value has this bit set: */
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+#define BB_MS_INVERTED_VALUE (1u << 31)
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#include "libbb.h"
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#if ENABLE_FEATURE_MOUNT_LABEL
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@@ -239,6 +245,7 @@
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/* "nomand" */ ~MS_MANDLOCK,
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/* "relatime" */ MS_RELATIME,
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/* "norelatime" */ ~MS_RELATIME,
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+ /* "strictatime" */ MS_STRICTATIME,
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/* "loud" */ ~MS_SILENT,
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/* "rbind" */ MS_BIND|MS_RECURSIVE,
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@@ -295,6 +302,7 @@
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"nomand\0"
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"relatime\0"
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"norelatime\0"
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+ "strictatime\0"
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"loud\0"
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"rbind\0"
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@@ -466,8 +474,8 @@
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// Find this option in mount_options
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for (i = 0; i < ARRAY_SIZE(mount_options); i++) {
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if (strcasecmp(option_str, options) == 0) {
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- long fl = mount_options[i];
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- if (fl < 0)
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+ unsigned long fl = mount_options[i];
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+ if (fl & BB_MS_INVERTED_VALUE)
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flags &= fl;
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else
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flags |= fl;
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