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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
block/parallels.c
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@ -508,7 +508,7 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
blk_set_allow_write_beyond_eof(file, true);
ret = blk_truncate(file, 0, errp);
ret = blk_truncate(file, 0, PREALLOC_MODE_OFF, errp);
if (ret < 0) {
goto exit;
}