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[Qemu-devel] [PATCH 3/7] block: Update bs->open_flags earlier in bdrv_op
From: |
Alberto Garcia |
Subject: |
[Qemu-devel] [PATCH 3/7] block: Update bs->open_flags earlier in bdrv_open_common() |
Date: |
Wed, 14 Sep 2016 18:52:16 +0300 |
We're only doing this immediately before opening the image, but
bs->open_flags is used earlier in the function. At the moment this is
not causing problems because none of the checked flags are modified by
update_flags_from_options(), but this will change when we introduce
the "read-only" option.
This patch calls update_flags_from_options() at the beginning of the
function, immediately after creating the QemuOpts.
Signed-off-by: Alberto Garcia <address@hidden>
---
block.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/block.c b/block.c
index 7cae841..f56d703 100644
--- a/block.c
+++ b/block.c
@@ -913,6 +913,8 @@ static int bdrv_open_common(BlockDriverState *bs, BdrvChild
*file,
goto fail_opts;
}
+ update_flags_from_options(&bs->open_flags, opts);
+
driver_name = qemu_opt_get(opts, "driver");
drv = bdrv_find_format(driver_name);
assert(drv != NULL);
@@ -974,9 +976,6 @@ static int bdrv_open_common(BlockDriverState *bs, BdrvChild
*file,
bs->drv = drv;
bs->opaque = g_malloc0(drv->instance_size);
- /* Apply cache mode options */
- update_flags_from_options(&bs->open_flags, opts);
-
/* Open the image, either directly or using a protocol */
open_flags = bdrv_open_flags(bs, bs->open_flags);
if (drv->bdrv_file_open) {
--
2.9.3