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[Qemu-block] [PATCH v3 6/9] curl: Support auto-read-only option
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PATCH v3 6/9] curl: Support auto-read-only option |
Date: |
Wed, 17 Oct 2018 18:41:57 +0200 |
If read-only=off, but auto-read-only=on is given, just degrade to
read-only.
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
block/curl.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/block/curl.c b/block/curl.c
index fabb2b4da7..db5d2bd8ef 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -684,10 +684,10 @@ static int curl_open(BlockDriverState *bs, QDict
*options, int flags,
const char *protocol_delimiter;
int ret;
-
- if (flags & BDRV_O_RDWR) {
- error_setg(errp, "curl block device does not support writes");
- return -EROFS;
+ ret = bdrv_apply_auto_read_only(bs, "curl driver does not support writes",
+ errp);
+ if (ret < 0) {
+ return ret;
}
if (!libcurl_initialized) {
--
2.19.1
- [Qemu-block] [PATCH v3 5/9] file-posix: Support auto-read-only option, (continued)
- [Qemu-block] [PATCH v3 5/9] file-posix: Support auto-read-only option, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 2/9] block: Add auto-read-only option, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 1/9] block: Update flags in bdrv_set_read_only(), Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 7/9] gluster: Support auto-read-only option, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 4/9] nbd: Support auto-read-only option, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 9/9] block: Make auto-read-only=on default for -drive, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 6/9] curl: Support auto-read-only option,
Kevin Wolf <=
- [Qemu-block] [PATCH v3 3/9] block: Require auto-read-only for existing fallbacks, Kevin Wolf, 2018/10/17
- [Qemu-block] [PATCH v3 8/9] iscsi: Support auto-read-only option, Kevin Wolf, 2018/10/17