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authorMax Reitz <mreitz@redhat.com>2014-03-08 00:39:41 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2014-03-13 14:42:24 +0100
commit7af803d4f80efb56c250f16409501994e60adf60 (patch)
tree17245f55c795129cd31a9f8924f726fad93553d4
parentf988388025c230ef3293cc0c3820cb40e03adfbf (diff)
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block/raw-posix: bdrv_parse_filename() for hdev
The "host_device" protocol driver should strip the "host_device:" prefix from filenames if present. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--block/raw-posix.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index e6b4c1f..ab32ff9 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1561,6 +1561,15 @@ static int check_hdev_writable(BDRVRawState *s)
return 0;
}
+static void hdev_parse_filename(const char *filename, QDict *options,
+ Error **errp)
+{
+ /* The prefix is optional, just as for "file". */
+ strstart(filename, "host_device:", &filename);
+
+ qdict_put_obj(options, "filename", QOBJECT(qstring_from_str(filename)));
+}
+
static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
@@ -1805,6 +1814,7 @@ static BlockDriver bdrv_host_device = {
.instance_size = sizeof(BDRVRawState),
.bdrv_needs_filename = true,
.bdrv_probe_device = hdev_probe_device,
+ .bdrv_parse_filename = hdev_parse_filename,
.bdrv_file_open = hdev_open,
.bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare,