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blockjob: Wrappers for progress counter access

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Block job drivers are not expected to mess with the internals of the
BlockJob object, so provide wrapper functions for one of the cases where
they still do it: Updating the progress counter.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Kevin Wolf 2018-01-18 18:08:22 +01:00
parent 37aa19b63c
commit 05df8a6a2b
6 changed files with 63 additions and 29 deletions
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19
include/block/blockjob.h
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@ -277,6 +277,25 @@ void block_job_finalize(BlockJob *job, Error **errp);
*/
void block_job_dismiss(BlockJob **job, Error **errp);
/**
* block_job_progress_update:
* @job: The job that has made progress
* @done: How much progress the job made
*
* Updates the progress counter of the job.
*/
void block_job_progress_update(BlockJob *job, uint64_t done);
/**
* block_job_progress_set_remaining:
* @job: The job whose expected progress end value is set
* @remaining: Expected end value of the progress counter of the job
*
* Sets the expected end value of the progress counter of a job so that a
* completion percentage can be calculated when the progress is updated.
*/
void block_job_progress_set_remaining(BlockJob *job, uint64_t remaining);
/**
* block_job_query:
* @job: The job to get information about.