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From: | Fam Zheng |
Subject: | Re: [Qemu-devel] [PATCH v4 3/7] block: Replace in_use with operation blocker |
Date: | Tue, 26 Nov 2013 10:18:14 +0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.1 |
On 2013年11月26日 01:11, Paolo Bonzini wrote:
Il 22/11/2013 06:24, Fam Zheng ha scritto:@@ -41,13 +41,11 @@ void *block_job_create(const BlockJobDriver *driver, BlockDriverState *bs, { BlockJob *job; - if (bs->job || bdrv_in_use(bs)) { + if (bs->job) { error_set(errp, QERR_DEVICE_IN_USE, bdrv_get_device_name(bs)); return NULL; } bdrv_ref(bs);Why is this check disappearing?
Because this patch is moving this check to callers, and changing it to op blocker check.
Fam
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