add support for dirsync mount option

Add support for `dirsync' mount option. MS_DIRSYNC is on of the mount(2) mountflags so don't send it as extra mount option to avoid: lxc-start: Invalid argument - failed to mount ... errors. Signed-off-by: Sergey S. Kostyliov <rathamahata@gmail.com> Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>

add support for dirsync mount option
968fbd36 · Sergey S. Kostyliov · Daniel Lezcano · acb0e330 · 968fbd36
Commit 968fbd36 authored Oct 30, 2010 by Sergey S. Kostyliov Committed by Daniel Lezcano Oct 30, 2010
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conf.c src/lxc/conf.c +5 -0

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--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -68,6 +68,10 @@ lxc_log_define(lxc_conf, lxc);
 #define MAXMTULEN   16
 #define MAXLINELEN  128

+#ifndef MS_DIRSYNC
+#define MS_DIRSYNC  128
+#endif
+
 #ifndef MS_REC
 #define MS_REC 16384
 #endif
@@ -133,6 +137,7 @@ static struct mount_opt mount_opt[] = {
 	{ "noexec",     0, MS_NOEXEC      },
 	{ "sync",       0, MS_SYNCHRONOUS },
 	{ "async",      1, MS_SYNCHRONOUS },
+	{ "dirsync",    0, MS_DIRSYNC     },
 	{ "remount",    0, MS_REMOUNT     },
 	{ "mand",       0, MS_MANDLOCK    },
 	{ "nomand",     1, MS_MANDLOCK    },