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HE1PR0801MB1996; 20:FZFHfmZGF2N27rWkpJNwhDRsMGWBaH8zDM9lYaUt9JfnAvdj+rhfcvV+3AyBYpTBQ+NNbUo0RHF1Fs1XyHhszhY+AiSu2Zc8wTLpqP+/1opzPHKEU27KD1JYJdZLCWjWZTi1tIFD/YW/M35Ww0MXgv8QGh8WH6GOYtnZkJGOjgk= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Aug 2017 14:19:26.0527 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0801MB1996 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 104.47.0.108 Subject: [Qemu-devel] [PATCH v4 02/15] blkverify: set supported write/zero flags X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, Anton Nefedov , den@virtuozzo.com, qemu-block@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Anton Nefedov --- block/blkverify.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/blkverify.c b/block/blkverify.c index 06369f9..9ba65d0 100644 --- a/block/blkverify.c +++ b/block/blkverify.c @@ -140,6 +140,15 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags, goto fail; } + bs->supported_write_flags = BDRV_REQ_FUA & + bs->file->bs->supported_write_flags & + s->test_file->bs->supported_write_flags; + + bs->supported_zero_flags = + (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) & + bs->file->bs->supported_zero_flags & + s->test_file->bs->supported_zero_flags; + ret = 0; fail: qemu_opts_del(opts);