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block: for jobs, do not clear user_paused until after the resume 

The function job_cancel_async() will always cause an assert for blockjob
user resume.  We set job->user_paused to false, and then call
job->driver->user_resume().  In the case of blockjobs, this is the
block_job_user_resume() function.

In that function, we assert that job.user_paused is set to true.
Unfortunately, right before calling this function, it has explicitly
been set to false.

The fix is pretty simple: set job->user_paused to false only after the
job user_resume() function has been called.

Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: bb183b77d8f2dd6bd67b8da559a90ac1e74b2052.1534868459.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
This commit is contained in:
Jeff Cody 2018-08-21 12:26:19 -04:00
parent ee135aa042
commit e321c0597c
1 changed files with 1 additions and 1 deletions
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2
job.c
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@ -732,10 +732,10 @@ static void job_cancel_async(Job *job, bool force)
{ {
if (job->user_paused) { if (job->user_paused) {
/* Do not call job_enter here, the caller will handle it. */ /* Do not call job_enter here, the caller will handle it. */
job->user_paused = false;
if (job->driver->user_resume) { if (job->driver->user_resume) {
job->driver->user_resume(job); job->driver->user_resume(job);
} }
job->user_paused = false;
assert(job->pause_count > 0); assert(job->pause_count > 0);
job->pause_count--; job->pause_count--;
} }