[lxc-devel] [PATCH] lxc-create: make 'none' bdev type work again
Serge Hallyn
serge.hallyn at ubuntu.com
Thu May 1 16:33:05 UTC 2014
This should address https://github.com/lxc/lxc/issues/199
Signed-off-by: Serge Hallyn <serge.hallyn at ubuntu.com>
---
doc/lxc-create.sgml.in | 9 +++++----
src/lxc/lxc_create.c | 3 +++
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/doc/lxc-create.sgml.in b/doc/lxc-create.sgml.in
index 2cb6bb5..9735460 100644
--- a/doc/lxc-create.sgml.in
+++ b/doc/lxc-create.sgml.in
@@ -126,13 +126,14 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
</term>
<listitem>
<para>
- 'backingstore' is one of 'none', 'dir', 'lvm', 'loop', 'btrfs', or 'best'. The
- default is 'none', meaning that the container root filesystem
+ 'backingstore' is one of 'dir', 'lvm', 'loop', 'btrfs', or 'best'. The
+ default is 'dir', meaning that the container root filesystem
will be a directory under <filename>@LXCPATH@/container/rootfs</filename>.
- 'dir' has the same meaning as 'none', but also allows the optional
+ This backing store type allows the optional
<replaceable>--dir ROOTFS</replaceable> to be specified, meaning
that the container rootfs should be placed under the specified path,
- rather than the default. If 'btrfs' is specified, then the
+ rather than the default. (The 'none' backingstore type is an alias for
+ 'dir'.) If 'btrfs' is specified, then the
target filesystem must be btrfs, and the container rootfs will be
created as a new subvolume. This allows snapshotted clones to be
created, but also causes rsync --one-filesystem to treat it as a
diff --git a/src/lxc/lxc_create.c b/src/lxc/lxc_create.c
index 6b595f9..caca056 100644
--- a/src/lxc/lxc_create.c
+++ b/src/lxc/lxc_create.c
@@ -218,6 +218,9 @@ int main(int argc, char *argv[])
if (!validate_bdev_args(&my_args))
exit(1);
+ if (strcmp(my_args.bdevtype, "none") == 0)
+ my_args.bdevtype = "dir";
+
if (geteuid()) {
if (mkdir_p(my_args.lxcpath[0], 0755)) {
exit(1);
--
1.9.1
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