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bump version to 2.9.0-1~rc2+5
[pve-qemu-kvm.git] / debian / patches / pve / 0032-vma-better-driver-guessing-for-bdrv_open.patch
CommitLineData
87ba737b 1From 0cf02f586f50e0bc1b25f0ecf76207b2510d77df Mon Sep 17 00:00:00 2001
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2From: Wolfgang Bumiller <w.bumiller@proxmox.com>
3Date: Tue, 23 Feb 2016 15:48:41 +0100
adeb0c7a 4Subject: [PATCH 32/48] vma: better driver guessing for bdrv_open
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5
6Only use 'raw' when the file actually ends with .raw and
7no protocol has been specified. With protocol pass the
8BDRV_O_PROTOCOL flag to tell bdrv_fill_options() to take it
9into account.
10---
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11 vma.c | 15 ++++++++++++++-
12 1 file changed, 14 insertions(+), 1 deletion(-)
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13
14diff --git a/vma.c b/vma.c
1a91ab45 15index c7c0538..4903568 100644
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16--- a/vma.c
17+++ b/vma.c
1a91ab45 18@@ -294,7 +294,20 @@ static int extract_content(int argc, char **argv)
68a30562 19 }
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20
21 BlockDriverState *bs = bdrv_new();
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22- if (errp || bdrv_open(&bs, devfn, NULL, NULL, flags, &errp)) {
23+
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24+ size_t devlen = strlen(devfn);
25+ bool protocol = path_has_protocol(devfn);
26+ QDict *options = NULL;
27+ if (devlen > 4 && strcmp(devfn+devlen-4, ".raw") == 0 && !protocol) {
28+ /* explicit raw format */
29+ options = qdict_new();
30+ qdict_put(options, "driver", qstring_from_str("raw"));
31+ } else if (protocol) {
32+ /* tell bdrv_open to honor the protocol */
33+ flags |= BDRV_O_PROTOCOL;
34+ }
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35+
36+ if (errp || bdrv_open(&bs, devfn, NULL, options, flags, &errp)) {
2c75dbed 37 g_error("can't open file %s - %s", devfn,
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38 error_get_pretty(errp));
39 }
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40--
412.1.4
42