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qemu-patch-raspberry4
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block/backup: disable copy_range for compressed backup 

Enabled by default copy_range ignores compress option. It's definitely
unexpected for user.

It's broken since introduction of copy_range usage in backup in
9ded4a0114.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190730163251.755248-3-vsementsov@virtuozzo.com
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
stable-4.1
Vladimir Sementsov-Ogievskiy 2019-07-30 19:32:50 +03:00 committed by Max Reitz
parent 19ba4651fe
commit 110571be4e
1 changed files with 1 additions and 1 deletions
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block/backup.c
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@ -657,7 +657,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
job->cluster_size = cluster_size;
job->copy_bitmap = copy_bitmap;
copy_bitmap = NULL;
job->use_copy_range = true;
job->use_copy_range = !compress; /* compression isn't supported for it */
job->copy_range_size = MIN_NON_ZERO(blk_get_max_transfer(job->common.blk),
blk_get_max_transfer(job->target));
job->copy_range_size = MAX(job->cluster_size,