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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)
downloadfocaccia-qemu-7af803d4f80efb56c250f16409501994e60adf60.tar.gz
focaccia-qemu-7af803d4f80efb56c250f16409501994e60adf60.zip
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 e6b4c1fe02..ab32ff99da 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,