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block/raw-posix: bdrv_parse_filename() for hdev

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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>
This commit is contained in:
Max Reitz 2014-03-08 00:39:41 +01:00 • committed by Stefan Hajnoczi
parent f988388025
commit 7af803d4f8
1 changed files with 10 additions and 0 deletions
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10
block/raw-posix.c
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@ -1561,6 +1561,15 @@ static int check_hdev_writable(BDRVRawState *s)
return 0; 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, static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp) Error **errp)
{ {
@ -1805,6 +1814,7 @@ static BlockDriver bdrv_host_device = {
.instance_size = sizeof(BDRVRawState), .instance_size = sizeof(BDRVRawState),
.bdrv_needs_filename = true, .bdrv_needs_filename = true,
.bdrv_probe_device = hdev_probe_device, .bdrv_probe_device = hdev_probe_device,
.bdrv_parse_filename = hdev_parse_filename,
.bdrv_file_open = hdev_open, .bdrv_file_open = hdev_open,
.bdrv_close = raw_close, .bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare, .bdrv_reopen_prepare = raw_reopen_prepare,