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trace: Show blockjob actions via bytes, not sectors

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Upcoming patches are going to switch to byte-based interfaces
instead of sector-based.  Even worse, trace_backup_do_cow_enter()
had a weird mix of cluster and sector indices.

The trace interface is low enough that there are no stability
guarantees, and therefore nothing wrong with changing our units,
even in cases like trace_backup_do_cow_skip() where we are not
changing the trace output.  So make the tracing uniformly use
bytes.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Eric Blake 2017-07-07 07:44:40 -05:00 • committed by Kevin Wolf
parent f3e4ce4af3
commit 5cb1a49e01
5 changed files with 38 additions and 24 deletions
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3
block/commit.c
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@ -190,7 +190,8 @@ static void coroutine_fn commit_run(void *opaque)
COMMIT_BUFFER_SIZE / BDRV_SECTOR_SIZE,
&n);
copy = (ret == 1);
trace_commit_one_iteration(s, sector_num, n, ret);
trace_commit_one_iteration(s, sector_num * BDRV_SECTOR_SIZE,
n * BDRV_SECTOR_SIZE, ret);
if (copy) {
ret = commit_populate(s->top, s->base, sector_num, n, buf);
bytes_written += n * BDRV_SECTOR_SIZE;