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author | Max Reitz <mreitz@redhat.com> | 2013-12-20 19:28:08 +0100 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2014-01-22 12:07:17 +0100 |
commit | 72daa72eeecb6b2ee06ab7d836ac3aa01ad7e6df (patch) | |
tree | ae24ab91dca7ea4e294b7b36f4f3e6fdd4d63908 /block/cow.c | |
parent | 89f2b21e36cce948c39fa7cf24226f6e5f042cc8 (diff) | |
download | hqemu-72daa72eeecb6b2ee06ab7d836ac3aa01ad7e6df.zip hqemu-72daa72eeecb6b2ee06ab7d836ac3aa01ad7e6df.tar.gz |
block: Allow reference for bdrv_file_open()
Allow specifying a reference to an existing block device (by name) for
bdrv_file_open() instead of a filename and/or options.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/cow.c')
-rw-r--r-- | block/cow.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/cow.c b/block/cow.c index dc15e46..7fc0b12 100644 --- a/block/cow.c +++ b/block/cow.c @@ -351,7 +351,8 @@ static int cow_create(const char *filename, QEMUOptionParameter *options, return ret; } - ret = bdrv_file_open(&cow_bs, filename, NULL, BDRV_O_RDWR, &local_err); + ret = bdrv_file_open(&cow_bs, filename, NULL, NULL, BDRV_O_RDWR, + &local_err); if (ret < 0) { qerror_report_err(local_err); error_free(local_err); |