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include/block.h: remove outdated comment 

There are a couple of errors in bdrv_drained_begin header comment:
- block_job_pause does not exist anymore, it has been replaced
  with job_pause in b15de82867
- job_pause is automatically invoked as a .drained_begin callback
  (child_job_drained_begin) by the child_job BdrvChildClass struct
  in blockjob.c. So no additional pause should be required.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20210903113800.59970-1-eesposit@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Emanuele Giuseppe Esposito 2021-09-03 13:38:00 +02:00 committed by Kevin Wolf
parent e3acc2c196
commit a6297e1ade
1 changed files with 1 additions and 3 deletions
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4
include/block/block.h
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@ -751,9 +751,7 @@ bool bdrv_drain_poll(BlockDriverState *bs, bool recursive,
* bdrv_drained_begin:
*
* Begin a quiesced section for exclusive access to the BDS, by disabling
* external request sources including NBD server and device model. Note that
* this doesn't block timers or coroutines from submitting more requests, which
* means block_job_pause is still necessary.
* external request sources including NBD server, block jobs, and device model.
*
* This function can be recursive.
*/