From: Andrey Shinkevich via <qemu-devel@nongnu.org>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, kwolf@redhat.com, mreitz@redhat.com,
fam@euphon.net, stefanha@redhat.com, armbru@redhat.com,
jsnow@redhat.com, libvir-list@redhat.com, eblake@redhat.com,
den@openvz.org, vsementsov@virtuozzo.com,
andrey.shinkevich@virtuozzo.com
Subject: [PATCH v11 08/13] copy-on-read: add support for BDRV_REQ_PREFETCH to COR-filter
Date: Mon, 12 Oct 2020 20:43:20 +0300 [thread overview]
Message-ID: <1602524605-481160-9-git-send-email-andrey.shinkevich@virtuozzo.com> (raw)
In-Reply-To: <1602524605-481160-1-git-send-email-andrey.shinkevich@virtuozzo.com>
Add support for the BDRV_REQ_PREFETCH flag to the supported_write_flags
of the COR-filter.
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
---
block/copy-on-read.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index dfbd6ad..b136895 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -50,6 +50,7 @@ static int cor_open(BlockDriverState *bs, QDict *options, int flags,
return -EINVAL;
}
+ bs->supported_read_flags = BDRV_REQ_PREFETCH;
bs->supported_write_flags = BDRV_REQ_WRITE_UNCHANGED |
(BDRV_REQ_FUA & bs->file->bs->supported_write_flags);
--
1.8.3.1
next prev parent reply other threads:[~2020-10-12 17:52 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 17:43 [PATCH v11 00/13] Apply COR-filter to the block-stream permanently Andrey Shinkevich via
2020-10-12 17:43 ` [PATCH v11 01/13] copy-on-read: Support preadv/pwritev_part functions Andrey Shinkevich via
2020-10-12 17:43 ` [PATCH v11 02/13] copy-on-read: add filter append/drop functions Andrey Shinkevich via
2020-10-14 10:44 ` Max Reitz
2020-10-14 14:28 ` Andrey Shinkevich
2020-10-14 16:26 ` Max Reitz
2020-10-12 17:43 ` [PATCH v11 03/13] qapi: add filter-node-name to block-stream Andrey Shinkevich via
2020-10-12 17:43 ` [PATCH v11 04/13] copy-on-read: pass overlay base node name to COR driver Andrey Shinkevich via
2020-10-14 11:09 ` Max Reitz
2020-10-14 11:57 ` Max Reitz
2020-10-14 14:56 ` Vladimir Sementsov-Ogievskiy
2020-10-14 16:27 ` Max Reitz
2020-10-14 16:08 ` Andrey Shinkevich
2020-10-14 16:18 ` Vladimir Sementsov-Ogievskiy
2020-10-14 16:36 ` Max Reitz
2020-10-12 17:43 ` [PATCH v11 05/13] copy-on-read: limit COR operations to base in " Andrey Shinkevich via
2020-10-14 11:59 ` Max Reitz
2020-10-14 17:43 ` Andrey Shinkevich
2020-10-14 12:01 ` Max Reitz
2020-10-14 18:57 ` Andrey Shinkevich
2020-10-15 15:56 ` Max Reitz
2020-10-15 17:37 ` Andrey Shinkevich
2020-10-16 14:28 ` Vladimir Sementsov-Ogievskiy
2020-10-12 17:43 ` [PATCH v11 06/13] block: modify the comment for BDRV_REQ_PREFETCH flag Andrey Shinkevich via
2020-10-14 12:22 ` Max Reitz
2020-10-14 15:04 ` Vladimir Sementsov-Ogievskiy
2020-10-14 19:57 ` Andrey Shinkevich
2020-10-12 17:43 ` [PATCH v11 07/13] block: include supported_read_flags into BDS structure Andrey Shinkevich via
2020-10-14 12:31 ` Max Reitz
2020-10-12 17:43 ` Andrey Shinkevich via [this message]
2020-10-14 12:40 ` [PATCH v11 08/13] copy-on-read: add support for BDRV_REQ_PREFETCH to COR-filter Max Reitz
2020-10-12 17:43 ` [PATCH v11 09/13] copy-on-read: skip non-guest reads if no copy needed Andrey Shinkevich via
2020-10-14 12:51 ` Max Reitz
2020-10-14 15:22 ` Vladimir Sementsov-Ogievskiy
2020-10-14 16:30 ` Max Reitz
2020-10-14 16:39 ` Vladimir Sementsov-Ogievskiy
2020-10-15 15:49 ` Max Reitz
2020-10-21 20:43 ` Andrey Shinkevich
2020-10-22 7:50 ` Andrey Shinkevich
2020-10-22 8:56 ` Vladimir Sementsov-Ogievskiy
2020-10-14 20:49 ` Andrey Shinkevich
2020-10-12 17:43 ` [PATCH v11 10/13] stream: skip filters when writing backing file name to QCOW2 header Andrey Shinkevich via
2020-10-14 15:02 ` Max Reitz
2020-10-14 15:40 ` Vladimir Sementsov-Ogievskiy
2020-10-12 17:43 ` [PATCH v11 11/13] stream: mark backing-file argument as deprecated Andrey Shinkevich via
2020-10-14 15:03 ` Max Reitz
2020-10-14 15:43 ` Vladimir Sementsov-Ogievskiy
2020-10-15 9:01 ` Andrey Shinkevich
2020-10-12 17:43 ` [PATCH v11 12/13] stream: remove unused backing-file name parameter Andrey Shinkevich via
2020-10-14 15:05 ` Max Reitz
2020-10-12 17:43 ` [PATCH v11 13/13] block: apply COR-filter to block-stream jobs Andrey Shinkevich via
2020-10-14 16:24 ` Max Reitz
2020-10-15 17:16 ` Andrey Shinkevich
2020-10-16 15:06 ` Andrey Shinkevich
2020-10-16 15:45 ` Vladimir Sementsov-Ogievskiy
2020-10-20 19:43 ` Andrey Shinkevich
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