[libvirt] [PATCH 1/1] Format FS pools
Daniel Veillard
veillard at redhat.com
Wed Feb 24 08:54:23 UTC 2010
On Tue, Feb 23, 2010 at 01:49:46PM -0500, Dave Allan wrote:
> On 02/23/2010 03:15 AM, 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
> >
>
> ACK. Tested with ext3, ext4 and xfs.
Okay, pushed :-)
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/
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