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block: Add PreallocMode to blk_truncate()

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blk_truncate() itself will pass that value to bdrv_truncate(), and all
callers of blk_truncate() just set the parameter to PREALLOC_MODE_OFF
for now.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170613202107.10125-4-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Max Reitz 2017-06-13 22:20:54 +02:00
parent 7ea37c3066
commit 3a691c50f1
15 changed files with 27 additions and 21 deletions
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2
qemu-io-cmds.c
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@ -1577,7 +1577,7 @@ static int truncate_f(BlockBackend *blk, int argc, char **argv)
return 0;
}
ret = blk_truncate(blk, offset, &local_err);
ret = blk_truncate(blk, offset, PREALLOC_MODE_OFF, &local_err);
if (ret < 0) {
error_report_err(local_err);
return 0;