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Remove unused 'opts' field from LXC basic mounts struct

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The virLXCBasicMountInfo struct contains a 'char *opts'
field passed onto the mount() syscall. Every entry in the
list sets this to NULL though, so it can be removed to
simplify life.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2013-10-07 12:08:14 +01:00
parent ccacd4fe3b
commit c6b84a9dee
1 changed files with 14 additions and 15 deletions
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29
src/lxc/lxc_container.c
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@ -754,7 +754,6 @@ typedef struct {
const char *src; const char *src;
const char *dst; const char *dst;
const char *type; const char *type;
const char *opts;
int mflags; int mflags;
} virLXCBasicMountInfo; } virLXCBasicMountInfo;
@ -765,16 +764,16 @@ static const virLXCBasicMountInfo lxcBasicMounts[] = {
* mount point in the main OS becomes readonly too which is not what * mount point in the main OS becomes readonly too which is not what
* we want. Hence some things have two entries here. * we want. Hence some things have two entries here.
*/ */
{ "proc", "/proc", "proc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV }, { "proc", "/proc", "proc", MS_NOSUID|MS_NOEXEC|MS_NODEV },
{ "/proc/sys", "/proc/sys", NULL, NULL, MS_BIND }, { "/proc/sys", "/proc/sys", NULL, MS_BIND },
{ "/proc/sys", "/proc/sys", NULL, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY }, { "/proc/sys", "/proc/sys", NULL, MS_BIND|MS_REMOUNT|MS_RDONLY },
{ "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV }, { "sysfs", "/sys", "sysfs", MS_NOSUID|MS_NOEXEC|MS_NODEV },
{ "sysfs", "/sys", "sysfs", NULL, MS_BIND|MS_REMOUNT|MS_RDONLY }, { "sysfs", "/sys", "sysfs", MS_BIND|MS_REMOUNT|MS_RDONLY },
{ "securityfs", "/sys/kernel/security", "securityfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV }, { "securityfs", "/sys/kernel/security", "securityfs", MS_NOSUID|MS_NOEXEC|MS_NODEV },
{ "securityfs", "/sys/kernel/security", "securityfs", NULL, MS_BIND|MS_REMOUNT|MS_RDONLY }, { "securityfs", "/sys/kernel/security", "securityfs", MS_BIND|MS_REMOUNT|MS_RDONLY },
#if WITH_SELINUX #if WITH_SELINUX
{ SELINUX_MOUNT, SELINUX_MOUNT, "selinuxfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV }, { SELINUX_MOUNT, SELINUX_MOUNT, "selinuxfs", MS_NOSUID|MS_NOEXEC|MS_NODEV },
{ SELINUX_MOUNT, SELINUX_MOUNT, NULL, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY }, { SELINUX_MOUNT, SELINUX_MOUNT, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY },
#endif #endif
}; };
@ -884,13 +883,13 @@ static int lxcContainerMountBasicFS(bool userns_enabled)
goto cleanup; goto cleanup;
} }
VIR_DEBUG("Mount %s on %s type=%s flags=%x, opts=%s", VIR_DEBUG("Mount %s on %s type=%s flags=%x",
srcpath, mnt->dst, mnt->type, mnt->mflags, mnt->opts); srcpath, mnt->dst, mnt->type, mnt->mflags);
if (mount(srcpath, mnt->dst, mnt->type, mnt->mflags, mnt->opts) < 0) { if (mount(srcpath, mnt->dst, mnt->type, mnt->mflags, NULL) < 0) {
virReportSystemError(errno, virReportSystemError(errno,
_("Failed to mount %s on %s type %s flags=%x opts=%s"), _("Failed to mount %s on %s type %s flags=%x"),
srcpath, mnt->dst, NULLSTR(mnt->type), srcpath, mnt->dst, NULLSTR(mnt->type),
mnt->mflags, NULLSTR(mnt->opts)); mnt->mflags);
goto cleanup; goto cleanup;
} }
} }