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From ebb0a0980d8347add30842be49555e4f07a4a047 Mon Sep 17 00:00:00 2001
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From: Jeffrey Cody <jcody@redhat.com>
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Date: Tue, 11 Feb 2014 16:14:29 +0100
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Subject: [PATCH 23/28] block: remove QED .bdrv_make_empty implementation
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RH-Author: Jeffrey Cody <jcody@redhat.com>
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Message-id: <2f8e3c76feeda371ed325fb08b26f3bf7e776db3.1392134912.git.jcody@redhat.com>
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Patchwork-id: 57219
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O-Subject: [RHEL7 qemu-kvm PATCH 5/6] block: remove QED .bdrv_make_empty implementation
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Bugzilla: 1047254
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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The QED .bdrv_make_empty() implementation does nothing but return
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-ENOTSUP, which causes problems in bdrv_commit(). Since the function
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stub exists for QED, it is called, which then always returns an error.
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The proper way to not support an optional driver function stub is to
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just not implement it, so let's remove the stub.
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Reviewed-by: Benoit Canet <benoit@irqsave.net>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit 55aff7f133b0eb20b2c8a2a3e1307240aab8044c)
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---
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block/qed.c | 6 ------
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1 file changed, 6 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/qed.c | 6 ------
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1 files changed, 0 insertions(+), 6 deletions(-)
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diff --git a/block/qed.c b/block/qed.c
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index da68152..be5945b 100644
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--- a/block/qed.c
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+++ b/block/qed.c
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@@ -731,11 +731,6 @@ static int64_t coroutine_fn bdrv_qed_co_get_block_status(BlockDriverState *bs,
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return cb.status;
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}
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-static int bdrv_qed_make_empty(BlockDriverState *bs)
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-{
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- return -ENOTSUP;
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-}
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-
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static BDRVQEDState *acb_to_s(QEDAIOCB *acb)
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{
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return acb->common.bs->opaque;
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@@ -1617,7 +1612,6 @@ static BlockDriver bdrv_qed = {
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.bdrv_create = bdrv_qed_create,
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.bdrv_has_zero_init = bdrv_has_zero_init_1,
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.bdrv_co_get_block_status = bdrv_qed_co_get_block_status,
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- .bdrv_make_empty = bdrv_qed_make_empty,
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.bdrv_aio_readv = bdrv_qed_aio_readv,
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.bdrv_aio_writev = bdrv_qed_aio_writev,
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.bdrv_co_write_zeroes = bdrv_qed_co_write_zeroes,
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--
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1.7.1
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