[Qemu-devel] [PATCH v2 0/2] small fix of block job

[Qemu-devel] [PATCH v2 0/2] small fix of block job

[Changlong Xie]

V2
p1: put assert(cb) in block_job_create

Changlong Xie (2):
  blockjob: assert(cb) when create job
  mirror: fix misleading comments

 block/backup.c | 1 -
 block/mirror.c | 2 +-
 blockjob.c     | 1 +
 3 files changed, 2 insertions(+), 2 deletions(-)

-- 
1.9.3

[Qemu-devel] [PATCH v2 1/2] blockjob: assert(cb) when create job

[Changlong Xie]

Callback for block job should always exist

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
---
 block/backup.c | 1 -
 blockjob.c     | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/backup.c b/block/backup.c
index 581269b..f87f8d5 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -489,7 +489,6 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target,
 
     assert(bs);
     assert(target);
-    assert(cb);
 
     if (bs == target) {
         error_setg(errp, "Source and target cannot be the same");
diff --git a/blockjob.c b/blockjob.c
index 90c4e26..205da9d 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -110,6 +110,7 @@ void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs,
     BlockBackend *blk;
     BlockJob *job;
 
+    assert(cb);
     if (bs->job) {
         error_setg(errp, QERR_DEVICE_IN_USE, bdrv_get_device_name(bs));
         return NULL;
-- 
1.9.3

Re: [Qemu-devel] [PATCH v2 1/2] blockjob: assert(cb) when create job

[Jeff Cody]

On Thu, Jun 23, 2016 at 04:57:20PM +0800, Changlong Xie wrote:
> Callback for block job should always exist
> 
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Suggested-by: Kevin Wolf <kwolf@redhat.com>
> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>

Reviewed-by: Jeff Cody <jcody@redhat.com>

> ---
>  block/backup.c | 1 -
>  blockjob.c     | 1 +
>  2 files changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/backup.c b/block/backup.c
> index 581269b..f87f8d5 100644
> --- a/block/backup.c
> +++ b/block/backup.c
> @@ -489,7 +489,6 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target,
>  
>      assert(bs);
>      assert(target);
> -    assert(cb);
>  
>      if (bs == target) {
>          error_setg(errp, "Source and target cannot be the same");
> diff --git a/blockjob.c b/blockjob.c
> index 90c4e26..205da9d 100644
> --- a/blockjob.c
> +++ b/blockjob.c
> @@ -110,6 +110,7 @@ void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs,
>      BlockBackend *blk;
>      BlockJob *job;
>  
> +    assert(cb);
>      if (bs->job) {
>          error_setg(errp, QERR_DEVICE_IN_USE, bdrv_get_device_name(bs));
>          return NULL;
> -- 
> 1.9.3
> 
> 
> 

[Qemu-devel] [PATCH v2 2/2] mirror: fix misleading comments

[Changlong Xie]

s/target bs/to_replace/, also we check to_replace bs is not
blocked in qmp_drive_mirror() not here

Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
---
 block/mirror.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/mirror.c b/block/mirror.c
index a04ed9c..4420a15 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -769,7 +769,7 @@ static void mirror_complete(BlockJob *job, Error **errp)
         }
     }
 
-    /* check the target bs is not blocked and block all operations on it */
+    /* block all operations on to_replace bs */
     if (s->replaces) {
         AioContext *replace_aio_context;
 
-- 
1.9.3

Re: [Qemu-devel] [PATCH v2 2/2] mirror: fix misleading comments

[Jeff Cody]

On Thu, Jun 23, 2016 at 04:57:21PM +0800, Changlong Xie wrote:
> s/target bs/to_replace/, also we check to_replace bs is not
> blocked in qmp_drive_mirror() not here
> 
> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>

Reviewed-by: Jeff Cody <jcody@redhat.com>
> ---
>  block/mirror.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/mirror.c b/block/mirror.c
> index a04ed9c..4420a15 100644
> --- a/block/mirror.c
> +++ b/block/mirror.c
> @@ -769,7 +769,7 @@ static void mirror_complete(BlockJob *job, Error **errp)
>          }
>      }
>  
> -    /* check the target bs is not blocked and block all operations on it */
> +    /* block all operations on to_replace bs */
>      if (s->replaces) {
>          AioContext *replace_aio_context;
>  
> -- 
> 1.9.3
> 
> 
> 

Re: [Qemu-devel] [PATCH v2 0/2] small fix of block job

[Fam Zheng]

On Thu, 06/23 16:57, Changlong Xie wrote:
> V2
> p1: put assert(cb) in block_job_create
> 
> Changlong Xie (2):
>   blockjob: assert(cb) when create job
>   mirror: fix misleading comments
> 

Reviewed-by: Fam Zheng <famz@redhat.com>

Re: [Qemu-devel] [PATCH v2 0/2] small fix of block job

[Stefan Hajnoczi]

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On Thu, Jun 23, 2016 at 04:57:19PM +0800, Changlong Xie wrote:
> V2
> p1: put assert(cb) in block_job_create
> 
> Changlong Xie (2):
>   blockjob: assert(cb) when create job
>   mirror: fix misleading comments
> 
>  block/backup.c | 1 -
>  block/mirror.c | 2 +-
>  blockjob.c     | 1 +
>  3 files changed, 2 insertions(+), 2 deletions(-)
> 
> -- 
> 1.9.3
> 
> 
> 
> 

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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Re: [Qemu-devel] [PATCH v2 0/2] small fix of block job

[Jeff Cody]

On Thu, Jun 23, 2016 at 04:57:19PM +0800, Changlong Xie wrote:
> V2
> p1: put assert(cb) in block_job_create
> 
> Changlong Xie (2):
>   blockjob: assert(cb) when create job
>   mirror: fix misleading comments
> 
>  block/backup.c | 1 -
>  block/mirror.c | 2 +-
>  blockjob.c     | 1 +
>  3 files changed, 2 insertions(+), 2 deletions(-)
> 
> -- 
> 1.9.3
> 
> 
> 

Thanks,

Applied to my block branch:

git://github.com/codyprime/qemu-kvm-jtc.git block

-Jeff