[libvirt] [PATCH 1/1] Format FS pools
Daniel P. Berrange
berrange at redhat.com
Tue Feb 23 09:03:05 UTC 2010
On Tue, Feb 23, 2010 at 09:15:55AM +0100, Daniel Veillard wrote:
> On Mon, Feb 22, 2010 at 01:44:39PM -0500, David Allan wrote:
> > * Create the filesystem on the partition used by the pool.
> > ---
> > configure.ac | 5 +++++
> > src/storage/storage_backend_fs.c | 22 ++++++++++++++++++++++
> > 2 files changed, 27 insertions(+), 0 deletions(-)
> >
> > diff --git a/configure.ac b/configure.ac
> > index 743a357..616bd03 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -1252,12 +1252,15 @@ AM_CONDITIONAL([WITH_STORAGE_DIR], [test "$with_storage_dir" = "yes"])
> > if test "$with_storage_fs" = "yes" -o "$with_storage_fs" = "check"; then
> > AC_PATH_PROG([MOUNT], [mount], [], [$PATH:/sbin:/usr/sbin])
> > AC_PATH_PROG([UMOUNT], [umount], [], [$PATH:/sbin:/usr/sbin])
> > + AC_PATH_PROG([MKE2FS], [mke2fs], [], [$PATH:/sbin:/usr/sbin])
>
> Actually I think we need to check for mkfs to be filesystem generic
>
> > if test "$with_storage_fs" = "yes" ; then
> > if test -z "$MOUNT" ; then AC_MSG_ERROR([We need mount for FS storage driver]) ; fi
> > if test -z "$UMOUNT" ; then AC_MSG_ERROR([We need umount for FS storage driver]) ; fi
> > + if test -z "$MKE2FS" ; then AC_MSG_ERROR([We need mke2fs for FS storage driver]) ; fi
> > else
> > if test -z "$MOUNT" ; then with_storage_fs=no ; fi
> > if test -z "$UMOUNT" ; then with_storage_fs=no ; fi
> > + if test -z "$MKE2FS" ; then with_storage_fs=no ; fi
> >
> > if test "$with_storage_fs" = "check" ; then with_storage_fs=yes ; fi
> > fi
> > @@ -1268,6 +1271,8 @@ if test "$with_storage_fs" = "yes" -o "$with_storage_fs" = "check"; then
> > [Location or name of the mount program])
> > AC_DEFINE_UNQUOTED([UMOUNT],["$UMOUNT"],
> > [Location or name of the mount program])
> > + AC_DEFINE_UNQUOTED([MKE2FS],["$MKE2FS"],
> > + [Location or name of the mke2fs program])
> > fi
> > fi
> > AM_CONDITIONAL([WITH_STORAGE_FS], [test "$with_storage_fs" = "yes"])
> > diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
> > index 8279d78..eb5da5e 100644
> > --- a/src/storage/storage_backend_fs.c
> > +++ b/src/storage/storage_backend_fs.c
> > @@ -45,6 +45,7 @@
> > #include "util.h"
> > #include "memory.h"
> > #include "xml.h"
> > +#include "logging.h"
> >
> > #define VIR_FROM_THIS VIR_FROM_STORAGE
> >
> > @@ -500,6 +501,7 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
> > virStoragePoolObjPtr pool,
> > unsigned int flags ATTRIBUTE_UNUSED)
> > {
> > + const char *mke2fsargv[5], *device = NULL, *format = NULL;
> > int err, ret = -1;
> > char *parent;
> > char *p;
> > @@ -540,6 +542,26 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
> > pool->def->target.path);
> > goto error;
> > }
> > +
> > + device = pool->def->source.devices[0].path;
> > + format = virStoragePoolFormatFileSystemTypeToString(pool->def->source.format);
> > +
> > + VIR_DEBUG("source device: '%s' format: '%s'", device, format);
> > +
> > + mke2fsargv[0] = MKE2FS;
> > + mke2fsargv[1] = "-t";
>
> mkfs has a -t type argument, not mke2fs on my machine
>
> > + mke2fsargv[2] = format;
> > + mke2fsargv[3] = device;
> > + mke2fsargv[4] = NULL;
> > +
> > + if (virRun(mke2fsargv, NULL) < 0) {
> > + virReportSystemError(errno,
> > + _("Failed to make filesystem of "
> > + "type '%s' on device '%s'"),
> > + format, device);
> > + goto error;
> > + }
> > +
> > ret = 0;
> > error:
> > VIR_FREE(parent);
>
> So I come up with the following patch instead. Note that /sbin/mkfs
> is provided by util-linux which is alread required for the storage fs
> support so we don't need to add anything (BTW util-linux is now provided
> by util-linux-ng on recent Fedoras, but keeping the old canonical
> require name is probably better).
>
> Daniel
>
> --
> Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
> daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
> http://veillard.com/ | virtualization library http://libvirt.org/
> diff --git a/configure.ac b/configure.ac
> index 743a357..117cb20 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1252,12 +1252,15 @@ AM_CONDITIONAL([WITH_STORAGE_DIR], [test "$with_storage_dir" = "yes"])
> if test "$with_storage_fs" = "yes" -o "$with_storage_fs" = "check"; then
> AC_PATH_PROG([MOUNT], [mount], [], [$PATH:/sbin:/usr/sbin])
> AC_PATH_PROG([UMOUNT], [umount], [], [$PATH:/sbin:/usr/sbin])
> + AC_PATH_PROG([MKFS], [mkfs], [], [$PATH:/sbin:/usr/sbin])
> if test "$with_storage_fs" = "yes" ; then
> if test -z "$MOUNT" ; then AC_MSG_ERROR([We need mount for FS storage driver]) ; fi
> if test -z "$UMOUNT" ; then AC_MSG_ERROR([We need umount for FS storage driver]) ; fi
> + if test -z "$MKFS" ; then AC_MSG_ERROR([We need mkfs for FS storage driver]) ; fi
> else
> if test -z "$MOUNT" ; then with_storage_fs=no ; fi
> if test -z "$UMOUNT" ; then with_storage_fs=no ; fi
> + if test -z "$MKFS" ; then with_storage_fs=no ; fi
>
> if test "$with_storage_fs" = "check" ; then with_storage_fs=yes ; fi
> fi
> @@ -1268,6 +1271,8 @@ if test "$with_storage_fs" = "yes" -o "$with_storage_fs" = "check"; then
> [Location or name of the mount program])
> AC_DEFINE_UNQUOTED([UMOUNT],["$UMOUNT"],
> [Location or name of the mount program])
> + AC_DEFINE_UNQUOTED([MKFS],["$MKFS"],
> + [Location or name of the mkfs program])
> fi
> fi
> AM_CONDITIONAL([WITH_STORAGE_FS], [test "$with_storage_fs" = "yes"])
> diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
> index 8279d78..0444fcf 100644
> --- a/src/storage/storage_backend_fs.c
> +++ b/src/storage/storage_backend_fs.c
> @@ -45,6 +45,7 @@
> #include "util.h"
> #include "memory.h"
> #include "xml.h"
> +#include "logging.h"
>
> #define VIR_FROM_THIS VIR_FROM_STORAGE
>
> @@ -500,6 +501,7 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
> virStoragePoolObjPtr pool,
> unsigned int flags ATTRIBUTE_UNUSED)
> {
> + const char *mke2fsargv[5], *device = NULL, *format = NULL;
> int err, ret = -1;
> char *parent;
> char *p;
> @@ -540,6 +542,26 @@ virStorageBackendFileSystemBuild(virConnectPtr conn ATTRIBUTE_UNUSED,
> pool->def->target.path);
> goto error;
> }
> +
> + device = pool->def->source.devices[0].path;
> + format = virStoragePoolFormatFileSystemTypeToString(pool->def->source.format);
> +
> + VIR_DEBUG("source device: '%s' format: '%s'", device, format);
> +
> + mke2fsargv[0] = MKFS;
> + mke2fsargv[1] = "-t";
> + mke2fsargv[2] = format;
> + mke2fsargv[3] = device;
> + mke2fsargv[4] = NULL;
> +
> + if (virRun(mke2fsargv, NULL) < 0) {
> + virReportSystemError(errno,
> + _("Failed to make filesystem of "
> + "type '%s' on device '%s'"),
> + format, device);
> + goto error;
> + }
> +
> ret = 0;
> error:
> VIR_FREE(parent);
ACK, this looks fine - just add a 'util-linux-ng' dependancy to the RPM
spec for mkfs
Daniel
--
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