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qemu-img: Report convert errors by bytes, not sectors

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Various qemu-img commands are inconsistent on whether they report
status/errors in terms of bytes or sector offsets.  The latter is
confusing (especially as more places move to 4k block sizes), so let's
switch everything to just use bytes everywhere.  One iotest is
impacted.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200402135717.476398-1-eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Eric Blake 2020-04-02 08:57:17 -05:00 • committed by Max Reitz
parent 80f5c01183
commit 39f77cb662
2 changed files with 5 additions and 5 deletions
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8
qemu-img.c
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@ -1924,8 +1924,8 @@ retry:
if (status == BLK_DATA && !copy_range) {
ret = convert_co_read(s, sector_num, n, buf);
if (ret < 0) {
error_report("error while reading sector %" PRId64
": %s", sector_num, strerror(-ret));
error_report("error while reading at byte %lld: %s",
sector_num * BDRV_SECTOR_SIZE, strerror(-ret));
s->ret = ret;
}
} else if (!s->min_sparse && status == BLK_ZERO) {
@ -1953,8 +1953,8 @@ retry:
ret = convert_co_write(s, sector_num, n, buf, status);
}
if (ret < 0) {
error_report("error while writing sector %" PRId64
": %s", sector_num, strerror(-ret));
error_report("error while writing at byte %lld: %s",
sector_num * BDRV_SECTOR_SIZE, strerror(-ret));
s->ret = ret;
}
}