Re: [Qemu-devel] [PATCH] job: drop job_drain

2019-08-16 Thread no-reply
Patchew URL: 
https://patchew.org/QEMU/20190816170457.522990-1-vsement...@virtuozzo.com/



Hi,

This series failed the asan build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

=== TEST SCRIPT BEGIN ===
#!/bin/bash
make docker-image-fedora V=1 NETWORK=1
time make docker-test-debug@fedora TARGET_LIST=x86_64-softmmu J=14 NETWORK=1
=== TEST SCRIPT END ===

clang -iquote /tmp/qemu-test/build/tests -iquote tests -iquote 
/tmp/qemu-test/src/tcg -iquote /tmp/qemu-test/src/tcg/i386 
-I/tmp/qemu-test/src/linux-headers -I/tmp/qemu-test/build/linux-headers -iquote 
. -iquote /tmp/qemu-test/src -iquote /tmp/qemu-test/src/accel/tcg -iquote 
/tmp/qemu-test/src/include -I/usr/include/pixman-1  
-I/tmp/qemu-test/src/dtc/libfdt -Werror  -pthread -I/usr/include/glib-2.0 
-I/usr/lib64/glib-2.0/include  -fPIE -DPIE -m64 -mcx16 -D_GNU_SOURCE 
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes 
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes 
-fno-strict-aliasing -fno-common -fwrapv -std=gnu99  -Wno-string-plus-int 
-Wno-typedef-redefinition -Wno-initializer-overrides -Wexpansion-to-defined 
-Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body 
-Wnested-externs -Wformat-security -Wformat-y2k -Winit-self 
-Wignored-qualifiers -Wold-style-definition -Wtype-limits 
-fstack-protector-strong  -I/usr/include/p11-kit-1 -I/usr/include/libpng16  
-I/usr/include/spice-1 -I/usr/include/spice-server -I/usr/include/cacard 
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/nss3 
-I/usr/include/nspr4 -pthread -I/usr/include/libmount -I/usr/include/blkid 
-I/usr/include/uuid -I/usr/include/pixman-1   -I/tmp/qemu-test/src/tests -MMD 
-MP -MT tests/test-shift128.o -MF tests/test-shift128.d -fsanitize=undefined 
-fsanitize=address -g   -c -o tests/test-shift128.o 
/tmp/qemu-test/src/tests/test-shift128.c
clang -iquote /tmp/qemu-test/build/tests -iquote tests -iquote 
/tmp/qemu-test/src/tcg -iquote /tmp/qemu-test/src/tcg/i386 
-I/tmp/qemu-test/src/linux-headers -I/tmp/qemu-test/build/linux-headers -iquote 
. -iquote /tmp/qemu-test/src -iquote /tmp/qemu-test/src/accel/tcg -iquote 
/tmp/qemu-test/src/include -I/usr/include/pixman-1  
-I/tmp/qemu-test/src/dtc/libfdt -Werror  -pthread -I/usr/include/glib-2.0 
-I/usr/lib64/glib-2.0/include  -fPIE -DPIE -m64 -mcx16 -D_GNU_SOURCE 
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes 
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes 
-fno-strict-aliasing -fno-common -fwrapv -std=gnu99  -Wno-string-plus-int 
-Wno-typedef-redefinition -Wno-initializer-overrides -Wexpansion-to-defined 
-Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body 
-Wnested-externs -Wformat-security -Wformat-y2k -Winit-self 
-Wignored-qualifiers -Wold-style-definition -Wtype-limits 
-fstack-protector-strong  -I/usr/include/p11-kit-1 -I/usr/include/libpng16  
-I/usr/include/spice-1 -I/usr/include/spice-server -I/usr/include/cacard 
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/nss3 
-I/usr/include/nspr4 -pthread -I/usr/include/libmount -I/usr/include/blkid 
-I/usr/include/uuid -I/usr/include/pixman-1   -I/tmp/qemu-test/src/tests -MMD 
-MP -MT tests/test-mul64.o -MF tests/test-mul64.d -fsanitize=undefined 
-fsanitize=address -g   -c -o tests/test-mul64.o 
/tmp/qemu-test/src/tests/test-mul64.c
clang -iquote /tmp/qemu-test/build/tests -iquote tests -iquote 
/tmp/qemu-test/src/tcg -iquote /tmp/qemu-test/src/tcg/i386 
-I/tmp/qemu-test/src/linux-headers -I/tmp/qemu-test/build/linux-headers -iquote 
. -iquote /tmp/qemu-test/src -iquote /tmp/qemu-test/src/accel/tcg -iquote 
/tmp/qemu-test/src/include -I/usr/include/pixman-1  
-I/tmp/qemu-test/src/dtc/libfdt -Werror  -pthread -I/usr/include/glib-2.0 
-I/usr/lib64/glib-2.0/include  -fPIE -DPIE -m64 -mcx16 -D_GNU_SOURCE 
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes 
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes 
-fno-strict-aliasing -fno-common -fwrapv -std=gnu99  -Wno-string-plus-int 
-Wno-typedef-redefinition -Wno-initializer-overrides -Wexpansion-to-defined 
-Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body 
-Wnested-externs -Wformat-security -Wformat-y2k -Winit-self 
-Wignored-qualifiers -Wold-style-definition -Wtype-limits 
-fstack-protector-strong  -I/usr/include/p11-kit-1 -I/usr/include/libpng16  
-I/usr/include/spice-1 -I/usr/include/spice-server -I/usr/include/cacard 
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/nss3 
-I/usr/include/nspr4 -pthread -I/usr/include/libmount -I/usr/include/blkid 
-I/usr/include/uuid -I/usr/include/pixman-1   -I/tmp/qemu-test/src/tests -MMD 
-MP -MT tests/test-int128.o -MF tests/test-int128.d -fsanitize=undefined 
-fsanitize=address -g   -c -o tests/test-int128.o 
/tmp/qemu-test/src/tests/test-int128.c

Re: [Qemu-devel] [PATCH] job: drop job_drain

2019-08-16 Thread Vladimir Sementsov-Ogievskiy
16.08.2019 20:10, Vladimir Sementsov-Ogievskiy wrote:
> 16.08.2019 20:04, Vladimir Sementsov-Ogievskiy wrote:
>> In job_finish_sync job_enter should be enough for a job to make some
>> progress and draining is a wrong tool for it. So use job_enter directly
>> here and drop job_drain with all related staff not used more.
>>
>> Suggested-by: Kevin Wolf 
>> Signed-off-by: Vladimir Sementsov-Ogievskiy 
>> ---
>>
>> It's a continuation for
>>     [PATCH v4] blockjob: drain all job nodes in block_job_drain
>>
>>   include/block/blockjob_int.h | 19 ---
>>   include/qemu/job.h   | 13 -
>>   block/backup.c   | 19 +--
>>   block/commit.c   |  1 -
>>   block/mirror.c   | 28 +++-
>>   block/stream.c   |  1 -
>>   blockjob.c   | 13 -
>>   job.c    | 12 +---
>>   8 files changed, 5 insertions(+), 101 deletions(-)
>>
>> diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
>> index e4a318dd15..e2824a36a8 100644
>> --- a/include/block/blockjob_int.h
>> +++ b/include/block/blockjob_int.h
>> @@ -52,17 +52,6 @@ struct BlockJobDriver {
>>    * besides job->blk to the new AioContext.
>>    */
>>   void (*attached_aio_context)(BlockJob *job, AioContext *new_context);
>> -
>> -    /*
>> - * If the callback is not NULL, it will be invoked when the job has to 
>> be
>> - * synchronously cancelled or completed; it should drain 
>> BlockDriverStates
>> - * as required to ensure progress.
>> - *
>> - * Block jobs must use the default implementation for job_driver.drain,
>> - * which will in turn call this callback after doing generic block job
>> - * stuff.
>> - */
>> -    void (*drain)(BlockJob *job);
>>   };
>>   /**
>> @@ -107,14 +96,6 @@ void block_job_free(Job *job);
>>    */
>>   void block_job_user_resume(Job *job);
>> -/**
>> - * block_job_drain:
>> - * Callback to be used for JobDriver.drain in all block jobs. Drains the 
>> main
>> - * block node associated with the block jobs and calls BlockJobDriver.drain 
>> for
>> - * job-specific actions.
>> - */
>> -void block_job_drain(Job *job);
>> -
>>   /**
>>    * block_job_ratelimit_get_delay:
>>    *
>> diff --git a/include/qemu/job.h b/include/qemu/job.h
>> index 9e7cd1e4a0..09739b8dd9 100644
>> --- a/include/qemu/job.h
>> +++ b/include/qemu/job.h
>> @@ -220,13 +220,6 @@ struct JobDriver {
>>    */
>>   void (*complete)(Job *job, Error **errp);
>> -    /*
>> - * If the callback is not NULL, it will be invoked when the job has to 
>> be
>> - * synchronously cancelled or completed; it should drain any activities
>> - * as required to ensure progress.
>> - */
>> -    void (*drain)(Job *job);
>> -
>>   /**
>>    * If the callback is not NULL, prepare will be invoked when all the 
>> jobs
>>    * belonging to the same transaction complete; or upon this job's 
>> completion
>> @@ -470,12 +463,6 @@ bool job_user_paused(Job *job);
>>    */
>>   void job_user_resume(Job *job, Error **errp);
>> -/*
>> - * Drain any activities as required to ensure progress. This can be called 
>> in a
>> - * loop to synchronously complete a job.
>> - */
>> -void job_drain(Job *job);
>> -
>>   /**
>>    * Get the next element from the list of block jobs after @job, or the
>>    * first one if @job is %NULL.
>> diff --git a/block/backup.c b/block/backup.c
>> index 715e1d3be8..d1ecdfa9aa 100644
>> --- a/block/backup.c
>> +++ b/block/backup.c
>> @@ -320,21 +320,6 @@ void backup_do_checkpoint(BlockJob *job, Error **errp)
>>   hbitmap_set(backup_job->copy_bitmap, 0, backup_job->len);
>>   }
>> -static void backup_drain(BlockJob *job)
>> -{
>> -    BackupBlockJob *s = container_of(job, BackupBlockJob, common);
>> -
>> -    /* Need to keep a reference in case blk_drain triggers execution
>> - * of backup_complete...
>> - */
>> -    if (s->target) {
>> -    BlockBackend *target = s->target;
>> -    blk_ref(target);
>> -    blk_drain(target);
>> -    blk_unref(target);
>> -    }
>> -}
>> -
>>   static BlockErrorAction backup_error_action(BackupBlockJob *job,
>>   bool read, int error)
>>   {
>> @@ -488,13 +473,11 @@ static const BlockJobDriver backup_job_driver = {
>>   .job_type   = JOB_TYPE_BACKUP,
>>   .free   = block_job_free,
>>   .user_resume    = block_job_user_resume,
>> -    .drain  = block_job_drain,
>>   .run    = backup_run,
>>   .commit = backup_commit,
>>   .abort  = backup_abort,
>>   .clean  = backup_clean,
>> -    },
>> -    .drain  = backup_drain,
>> +    }
>>   };
>>   static int64_t backup_calculate_cluster_size(BlockDriverState *target,
>> diff --git 

Re: [Qemu-devel] [PATCH] job: drop job_drain

2019-08-16 Thread Vladimir Sementsov-Ogievskiy
16.08.2019 20:04, Vladimir Sementsov-Ogievskiy wrote:
> In job_finish_sync job_enter should be enough for a job to make some
> progress and draining is a wrong tool for it. So use job_enter directly
> here and drop job_drain with all related staff not used more.
> 
> Suggested-by: Kevin Wolf 
> Signed-off-by: Vladimir Sementsov-Ogievskiy 
> ---
> 
> It's a continuation for
> [PATCH v4] blockjob: drain all job nodes in block_job_drain
> 
>   include/block/blockjob_int.h | 19 ---
>   include/qemu/job.h   | 13 -
>   block/backup.c   | 19 +--
>   block/commit.c   |  1 -
>   block/mirror.c   | 28 +++-
>   block/stream.c   |  1 -
>   blockjob.c   | 13 -
>   job.c| 12 +---
>   8 files changed, 5 insertions(+), 101 deletions(-)
> 
> diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
> index e4a318dd15..e2824a36a8 100644
> --- a/include/block/blockjob_int.h
> +++ b/include/block/blockjob_int.h
> @@ -52,17 +52,6 @@ struct BlockJobDriver {
>* besides job->blk to the new AioContext.
>*/
>   void (*attached_aio_context)(BlockJob *job, AioContext *new_context);
> -
> -/*
> - * If the callback is not NULL, it will be invoked when the job has to be
> - * synchronously cancelled or completed; it should drain 
> BlockDriverStates
> - * as required to ensure progress.
> - *
> - * Block jobs must use the default implementation for job_driver.drain,
> - * which will in turn call this callback after doing generic block job
> - * stuff.
> - */
> -void (*drain)(BlockJob *job);
>   };
>   
>   /**
> @@ -107,14 +96,6 @@ void block_job_free(Job *job);
>*/
>   void block_job_user_resume(Job *job);
>   
> -/**
> - * block_job_drain:
> - * Callback to be used for JobDriver.drain in all block jobs. Drains the main
> - * block node associated with the block jobs and calls BlockJobDriver.drain 
> for
> - * job-specific actions.
> - */
> -void block_job_drain(Job *job);
> -
>   /**
>* block_job_ratelimit_get_delay:
>*
> diff --git a/include/qemu/job.h b/include/qemu/job.h
> index 9e7cd1e4a0..09739b8dd9 100644
> --- a/include/qemu/job.h
> +++ b/include/qemu/job.h
> @@ -220,13 +220,6 @@ struct JobDriver {
>*/
>   void (*complete)(Job *job, Error **errp);
>   
> -/*
> - * If the callback is not NULL, it will be invoked when the job has to be
> - * synchronously cancelled or completed; it should drain any activities
> - * as required to ensure progress.
> - */
> -void (*drain)(Job *job);
> -
>   /**
>* If the callback is not NULL, prepare will be invoked when all the 
> jobs
>* belonging to the same transaction complete; or upon this job's 
> completion
> @@ -470,12 +463,6 @@ bool job_user_paused(Job *job);
>*/
>   void job_user_resume(Job *job, Error **errp);
>   
> -/*
> - * Drain any activities as required to ensure progress. This can be called 
> in a
> - * loop to synchronously complete a job.
> - */
> -void job_drain(Job *job);
> -
>   /**
>* Get the next element from the list of block jobs after @job, or the
>* first one if @job is %NULL.
> diff --git a/block/backup.c b/block/backup.c
> index 715e1d3be8..d1ecdfa9aa 100644
> --- a/block/backup.c
> +++ b/block/backup.c
> @@ -320,21 +320,6 @@ void backup_do_checkpoint(BlockJob *job, Error **errp)
>   hbitmap_set(backup_job->copy_bitmap, 0, backup_job->len);
>   }
>   
> -static void backup_drain(BlockJob *job)
> -{
> -BackupBlockJob *s = container_of(job, BackupBlockJob, common);
> -
> -/* Need to keep a reference in case blk_drain triggers execution
> - * of backup_complete...
> - */
> -if (s->target) {
> -BlockBackend *target = s->target;
> -blk_ref(target);
> -blk_drain(target);
> -blk_unref(target);
> -}
> -}
> -
>   static BlockErrorAction backup_error_action(BackupBlockJob *job,
>   bool read, int error)
>   {
> @@ -488,13 +473,11 @@ static const BlockJobDriver backup_job_driver = {
>   .job_type   = JOB_TYPE_BACKUP,
>   .free   = block_job_free,
>   .user_resume= block_job_user_resume,
> -.drain  = block_job_drain,
>   .run= backup_run,
>   .commit = backup_commit,
>   .abort  = backup_abort,
>   .clean  = backup_clean,
> -},
> -.drain  = backup_drain,
> +}
>   };
>   
>   static int64_t backup_calculate_cluster_size(BlockDriverState *target,
> diff --git a/block/commit.c b/block/commit.c
> index 2c5a6d4ebc..697a779d8e 100644
> --- a/block/commit.c
> +++ b/block/commit.c
> @@ -216,7 +216,6 @@ static const BlockJobDriver 

[Qemu-devel] [PATCH] job: drop job_drain

2019-08-16 Thread Vladimir Sementsov-Ogievskiy
In job_finish_sync job_enter should be enough for a job to make some
progress and draining is a wrong tool for it. So use job_enter directly
here and drop job_drain with all related staff not used more.

Suggested-by: Kevin Wolf 
Signed-off-by: Vladimir Sementsov-Ogievskiy 
---

It's a continuation for
   [PATCH v4] blockjob: drain all job nodes in block_job_drain

 include/block/blockjob_int.h | 19 ---
 include/qemu/job.h   | 13 -
 block/backup.c   | 19 +--
 block/commit.c   |  1 -
 block/mirror.c   | 28 +++-
 block/stream.c   |  1 -
 blockjob.c   | 13 -
 job.c| 12 +---
 8 files changed, 5 insertions(+), 101 deletions(-)

diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
index e4a318dd15..e2824a36a8 100644
--- a/include/block/blockjob_int.h
+++ b/include/block/blockjob_int.h
@@ -52,17 +52,6 @@ struct BlockJobDriver {
  * besides job->blk to the new AioContext.
  */
 void (*attached_aio_context)(BlockJob *job, AioContext *new_context);
-
-/*
- * If the callback is not NULL, it will be invoked when the job has to be
- * synchronously cancelled or completed; it should drain BlockDriverStates
- * as required to ensure progress.
- *
- * Block jobs must use the default implementation for job_driver.drain,
- * which will in turn call this callback after doing generic block job
- * stuff.
- */
-void (*drain)(BlockJob *job);
 };
 
 /**
@@ -107,14 +96,6 @@ void block_job_free(Job *job);
  */
 void block_job_user_resume(Job *job);
 
-/**
- * block_job_drain:
- * Callback to be used for JobDriver.drain in all block jobs. Drains the main
- * block node associated with the block jobs and calls BlockJobDriver.drain for
- * job-specific actions.
- */
-void block_job_drain(Job *job);
-
 /**
  * block_job_ratelimit_get_delay:
  *
diff --git a/include/qemu/job.h b/include/qemu/job.h
index 9e7cd1e4a0..09739b8dd9 100644
--- a/include/qemu/job.h
+++ b/include/qemu/job.h
@@ -220,13 +220,6 @@ struct JobDriver {
  */
 void (*complete)(Job *job, Error **errp);
 
-/*
- * If the callback is not NULL, it will be invoked when the job has to be
- * synchronously cancelled or completed; it should drain any activities
- * as required to ensure progress.
- */
-void (*drain)(Job *job);
-
 /**
  * If the callback is not NULL, prepare will be invoked when all the jobs
  * belonging to the same transaction complete; or upon this job's 
completion
@@ -470,12 +463,6 @@ bool job_user_paused(Job *job);
  */
 void job_user_resume(Job *job, Error **errp);
 
-/*
- * Drain any activities as required to ensure progress. This can be called in a
- * loop to synchronously complete a job.
- */
-void job_drain(Job *job);
-
 /**
  * Get the next element from the list of block jobs after @job, or the
  * first one if @job is %NULL.
diff --git a/block/backup.c b/block/backup.c
index 715e1d3be8..d1ecdfa9aa 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -320,21 +320,6 @@ void backup_do_checkpoint(BlockJob *job, Error **errp)
 hbitmap_set(backup_job->copy_bitmap, 0, backup_job->len);
 }
 
-static void backup_drain(BlockJob *job)
-{
-BackupBlockJob *s = container_of(job, BackupBlockJob, common);
-
-/* Need to keep a reference in case blk_drain triggers execution
- * of backup_complete...
- */
-if (s->target) {
-BlockBackend *target = s->target;
-blk_ref(target);
-blk_drain(target);
-blk_unref(target);
-}
-}
-
 static BlockErrorAction backup_error_action(BackupBlockJob *job,
 bool read, int error)
 {
@@ -488,13 +473,11 @@ static const BlockJobDriver backup_job_driver = {
 .job_type   = JOB_TYPE_BACKUP,
 .free   = block_job_free,
 .user_resume= block_job_user_resume,
-.drain  = block_job_drain,
 .run= backup_run,
 .commit = backup_commit,
 .abort  = backup_abort,
 .clean  = backup_clean,
-},
-.drain  = backup_drain,
+}
 };
 
 static int64_t backup_calculate_cluster_size(BlockDriverState *target,
diff --git a/block/commit.c b/block/commit.c
index 2c5a6d4ebc..697a779d8e 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -216,7 +216,6 @@ static const BlockJobDriver commit_job_driver = {
 .job_type  = JOB_TYPE_COMMIT,
 .free  = block_job_free,
 .user_resume   = block_job_user_resume,
-.drain = block_job_drain,
 .run   = commit_run,
 .prepare   = commit_prepare,
 .abort = commit_abort,
diff --git a/block/mirror.c b/block/mirror.c
index 8cb75fb409..b91abe0288