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block: Introduce 'bdrv_reopen_commit_post' step 

Add another step in the reopen process where driver can execute code
after permission changes are comitted.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <adc02cf591c3cb34e98e33518eb1c540a0f27db1.1582893284.git.pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Peter Krempa 2020-02-28 13:44:46 +01:00 committed by Kevin Wolf
parent eeea1faa09
commit 17e1e2be5f
2 changed files with 10 additions and 0 deletions
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9
block.c
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@ -3695,6 +3695,15 @@ cleanup_perm:
}
}
}
if (ret == 0) {
QTAILQ_FOREACH_REVERSE(bs_entry, bs_queue, entry) {
BlockDriverState *bs = bs_entry->state.bs;
if (bs->drv->bdrv_reopen_commit_post)
bs->drv->bdrv_reopen_commit_post(&bs_entry->state);
}
}
cleanup:
QTAILQ_FOREACH_SAFE(bs_entry, bs_queue, entry, next) {
if (ret) {

1
include/block/block_int.h
View File

@ -122,6 +122,7 @@ struct BlockDriver {
int (*bdrv_reopen_prepare)(BDRVReopenState *reopen_state,
BlockReopenQueue *queue, Error **errp);
void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state);
void (*bdrv_reopen_commit_post)(BDRVReopenState *reopen_state);
void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state);
void (*bdrv_join_options)(QDict *options, QDict *old_options);