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[Qemu-devel] [PULL v2 for-2.0 22/24] block/raw-posix: bdrv_parse_filenam


From: Stefan Hajnoczi
Subject: [Qemu-devel] [PULL v2 for-2.0 22/24] block/raw-posix: bdrv_parse_filename() for cdrom
Date: Thu, 13 Mar 2014 15:11:06 +0100

From: Max Reitz <address@hidden>

The "host_cdrom" protocol drivers should strip the "host_cdrom:" 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-posix.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/block/raw-posix.c b/block/raw-posix.c
index 4b8c183..697cd2e 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1983,7 +1983,20 @@ static BlockDriver bdrv_host_floppy = {
     .bdrv_media_changed = floppy_media_changed,
     .bdrv_eject         = floppy_eject,
 };
+#endif
 
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+static void cdrom_parse_filename(const char *filename, QDict *options,
+                                 Error **errp)
+{
+    /* The prefix is optional, just as for "file". */
+    strstart(filename, "host_cdrom:", &filename);
+
+    qdict_put_obj(options, "filename", QOBJECT(qstring_from_str(filename)));
+}
+#endif
+
+#ifdef __linux__
 static int cdrom_open(BlockDriverState *bs, QDict *options, int flags,
                       Error **errp)
 {
@@ -2070,6 +2083,7 @@ static BlockDriver bdrv_host_cdrom = {
     .instance_size      = sizeof(BDRVRawState),
     .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
+    .bdrv_parse_filename = cdrom_parse_filename,
     .bdrv_file_open     = cdrom_open,
     .bdrv_close         = raw_close,
     .bdrv_reopen_prepare = raw_reopen_prepare,
@@ -2200,6 +2214,7 @@ static BlockDriver bdrv_host_cdrom = {
     .instance_size      = sizeof(BDRVRawState),
     .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
+    .bdrv_parse_filename = cdrom_parse_filename,
     .bdrv_file_open     = cdrom_open,
     .bdrv_close         = raw_close,
     .bdrv_reopen_prepare = raw_reopen_prepare,
-- 
1.8.5.3




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