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blockjob: Don't touch BDS iostatus

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Block jobs don't actually make use of the iostatus for their BDSes, but
they manage a separate block job iostatus. Still, they require that it
is enabled for the source BDS and they enable it automatically for the
target and set the error handling mode - which ends up never being used
by the job.

This patch removes all of the BDS iostatus handling from the block job,
which removes another few bs->blk accesses.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2016-04-18 15:14:11 +02:00
parent 81e254dc83
commit 66a0fae438
4 changed files with 0 additions and 66 deletions
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7
block/commit.c
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@ -214,13 +214,6 @@ void commit_start(BlockDriverState *bs, BlockDriverState *base,
BlockDriverState *overlay_bs;
Error *local_err = NULL;
if ((on_error == BLOCKDEV_ON_ERROR_STOP ||
on_error == BLOCKDEV_ON_ERROR_ENOSPC) &&
(!bs->blk || !blk_iostatus_is_enabled(bs->blk))) {
error_setg(errp, "Invalid parameter combination");
return;
}
assert(top != bs);
if (top == base) {
error_setg(errp, "Invalid files for merge: top and base are the same");