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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 06/13] block: modify the comment for BDRV_REQ_PREFETCH flag
Date: Mon, 12 Oct 2020 20:43:18 +0300	[thread overview]
Message-ID: <1602524605-481160-7-git-send-email-andrey.shinkevich@virtuozzo.com> (raw)
In-Reply-To: <1602524605-481160-1-git-send-email-andrey.shinkevich@virtuozzo.com>

Modify the comment for the flag BDRV_REQ_PREFETCH as we are going to
use it alone and pass it to the COR-filter driver for further
processing.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
---
 include/block/block.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/block/block.h b/include/block/block.h
index 981ab5b..2b7efd1 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -71,9 +71,10 @@ typedef enum {
     BDRV_REQ_NO_FALLBACK        = 0x100,
 
     /*
-     * BDRV_REQ_PREFETCH may be used only together with BDRV_REQ_COPY_ON_READ
-     * on read request and means that caller doesn't really need data to be
-     * written to qiov parameter which may be NULL.
+     * BDRV_REQ_PREFETCH may be used together with the BDRV_REQ_COPY_ON_READ
+     * flag or when the COR-filter applied to read operations and means that
+     * caller doesn't really need data to be written to qiov parameter which
+     * may be NULL.
      */
     BDRV_REQ_PREFETCH  = 0x200,
     /* Mask of valid flags */
-- 
1.8.3.1



  parent reply	other threads:[~2020-10-12 17:51 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 ` Andrey Shinkevich via [this message]
2020-10-14 12:22   ` [PATCH v11 06/13] block: modify the comment for BDRV_REQ_PREFETCH flag 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 ` [PATCH v11 08/13] copy-on-read: add support for BDRV_REQ_PREFETCH to COR-filter Andrey Shinkevich via
2020-10-14 12:40   ` 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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