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Re: [Qemu-devel] [PATCH v10 4/6] qapi: introduce PreallocMode and a new


From: Hu Tao
Subject: Re: [Qemu-devel] [PATCH v10 4/6] qapi: introduce PreallocMode and a new PreallocMode full.
Date: Wed, 25 Jun 2014 13:46:48 +0800
User-agent: Mutt/1.5.21 (2010-09-15)

On Sat, Jun 14, 2014 at 09:17:02PM +0200, Max Reitz wrote:
> On 12.06.2014 05:54, Hu Tao wrote:
> >This patch prepares for the subsequent patches.
> >
> >Reviewed-by: Fam Zheng <address@hidden>
> >Reviewed-by: Eric Blake <address@hidden>
> >Signed-off-by: Hu Tao <address@hidden>
> >---
> >  block/qcow2.c    |  8 ++++----
> >  qapi-schema.json | 14 ++++++++++++++
> >  2 files changed, 18 insertions(+), 4 deletions(-)
> >
> >diff --git a/block/qcow2.c b/block/qcow2.c
> >index 6732e7c..2e0b83c 100644
> >--- a/block/qcow2.c
> >+++ b/block/qcow2.c
> >@@ -1593,7 +1593,7 @@ static int preallocate(BlockDriverState *bs)
> >  static int qcow2_create2(const char *filename, int64_t total_size,
> >                           const char *backing_file, const char 
> > *backing_format,
> >-                         int flags, size_t cluster_size, int prealloc,
> >+                         int flags, size_t cluster_size, PreallocMode 
> >prealloc,
> >                           QEMUOptionParameter *options, int version,
> >                           Error **errp)
> >  {
> >@@ -1770,7 +1770,7 @@ static int qcow2_create(const char *filename, 
> >QEMUOptionParameter *options,
> >      uint64_t size = 0;
> >      int flags = 0;
> >      size_t cluster_size = DEFAULT_CLUSTER_SIZE;
> >-    int prealloc = 0;
> >+    PreallocMode prealloc = PREALLOC_MODE_OFF;
> >      int version = 3;
> >      Error *local_err = NULL;
> >      int ret;
> >@@ -1791,9 +1791,9 @@ static int qcow2_create(const char *filename, 
> >QEMUOptionParameter *options,
> >              }
> >          } else if (!strcmp(options->name, BLOCK_OPT_PREALLOC)) {
> >              if (!options->value.s || !strcmp(options->value.s, "off")) {
> >-                prealloc = 0;
> >+                prealloc = PREALLOC_MODE_OFF;
> >              } else if (!strcmp(options->value.s, "metadata")) {
> >-                prealloc = 1;
> >+                prealloc = PREALLOC_MODE_METADATA;
> >              } else {
> >                  error_setg(errp, "Invalid preallocation mode: '%s'",
> >                             options->value.s);
> >diff --git a/qapi-schema.json b/qapi-schema.json
> >index 14b498b..f5ccb31 100644
> >--- a/qapi-schema.json
> >+++ b/qapi-schema.json
> 
> As of commit 5db15096 (BenoƮt's "Extract QAPI block commands"
> series), block-related QAPI definitions should go into
> qapi/block.json or qapi/block-core.json. I think the following
> definition should now go into qapi/block-core.json instead of
> qapi-schema.json.
> 
> Apart from that, this patch looks good.
> 
> Max

Thanks, I'll fix in next version.

Hu



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