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[Qemu-devel] [PULL 24/24] block/raw-win32: bdrv_parse_filename() for hde


From: Stefan Hajnoczi
Subject: [Qemu-devel] [PULL 24/24] block/raw-win32: bdrv_parse_filename() for hdev
Date: Wed, 12 Mar 2014 11:29:32 +0100

From: Max Reitz <address@hidden>

The "host_device" protocol driver should strip the "host_device:" prefix
from filenames if present.

Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Benoit Canet <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
 block/raw-win32.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/block/raw-win32.c b/block/raw-win32.c
index 9954748..48cb2c2 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -593,6 +593,15 @@ static int hdev_probe_device(const char *filename)
     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)
 {
@@ -663,6 +672,7 @@ static BlockDriver bdrv_host_device = {
     .protocol_name     = "host_device",
     .instance_size     = sizeof(BDRVRawState),
     .bdrv_needs_filename = true,
+    .bdrv_parse_filename = hdev_parse_filename,
     .bdrv_probe_device = hdev_probe_device,
     .bdrv_file_open    = hdev_open,
     .bdrv_close                = raw_close,
-- 
1.8.5.3




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