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Re: [libvirt] [PATCH 1/1] Format FS pools



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])
>    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

We'll need to add a Requires: e2fsprogs   to the libvirt.spec for this.

>  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";
> +    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


Daniel
-- 
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