From: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, fam@euphon.net, vsementsov@virtuozzo.com,
armbru@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com,
andrey.shinkevich@virtuozzo.com, den@openvz.org,
mreitz@redhat.com, jsnow@redhat.com
Subject: [PATCH v3 11/15] copy-on-read: Support preadv/pwritev_part functions
Date: Tue, 12 May 2020 17:53:12 +0300 [thread overview]
Message-ID: <1589295196-773454-12-git-send-email-andrey.shinkevich@virtuozzo.com> (raw)
In-Reply-To: <1589295196-773454-1-git-send-email-andrey.shinkevich@virtuozzo.com>
Add support for the recently introduced functions
bdrv_co_preadv_part()
and
bdrv_co_pwritev_part()
to the COR-filter driver.
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
---
block/copy-on-read.c | 28 ++++++++++++++++------------
1 file changed, 16 insertions(+), 12 deletions(-)
diff --git a/block/copy-on-read.c b/block/copy-on-read.c
index 74e01ee..4030d56 100644
--- a/block/copy-on-read.c
+++ b/block/copy-on-read.c
@@ -74,21 +74,25 @@ static int64_t cor_getlength(BlockDriverState *bs)
}
-static int coroutine_fn cor_co_preadv(BlockDriverState *bs,
- uint64_t offset, uint64_t bytes,
- QEMUIOVector *qiov, int flags)
+static int coroutine_fn cor_co_preadv_part(BlockDriverState *bs,
+ uint64_t offset, uint64_t bytes,
+ QEMUIOVector *qiov,
+ size_t qiov_offset,
+ int flags)
{
- return bdrv_co_preadv(bs->file, offset, bytes, qiov,
- flags | BDRV_REQ_COPY_ON_READ);
+ return bdrv_co_preadv_part(bs->file, offset, bytes, qiov, qiov_offset,
+ flags | BDRV_REQ_COPY_ON_READ);
}
-static int coroutine_fn cor_co_pwritev(BlockDriverState *bs,
- uint64_t offset, uint64_t bytes,
- QEMUIOVector *qiov, int flags)
+static int coroutine_fn cor_co_pwritev_part(BlockDriverState *bs,
+ uint64_t offset,
+ uint64_t bytes,
+ QEMUIOVector *qiov,
+ size_t qiov_offset, int flags)
{
-
- return bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags);
+ return bdrv_co_pwritev_part(bs->file, offset, bytes, qiov, qiov_offset,
+ flags);
}
@@ -152,8 +156,8 @@ static BlockDriver bdrv_copy_on_read = {
.bdrv_getlength = cor_getlength,
- .bdrv_co_preadv = cor_co_preadv,
- .bdrv_co_pwritev = cor_co_pwritev,
+ .bdrv_co_preadv_part = cor_co_preadv_part,
+ .bdrv_co_pwritev_part = cor_co_pwritev_part,
.bdrv_co_pwrite_zeroes = cor_co_pwrite_zeroes,
.bdrv_co_pdiscard = cor_co_pdiscard,
.bdrv_co_pwritev_compressed = cor_co_pwritev_compressed,
--
1.8.3.1
next prev parent reply other threads:[~2020-05-12 14:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 14:53 [PATCH v3 00/15] Apply COR-filter to the block-stream permanently Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 01/15] block: Mark commit and mirror as filter drivers Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 02/15] copy-on-read: Support compressed writes Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 03/15] block: Add child access functions Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 04/15] block: Add chain helper functions Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 05/15] block: Include filters when freezing backing chain Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 06/15] block: Use CAFs in block status functions Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 07/15] commit: Deal with filters when blocking intermediate nodes Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 08/15] block: Use CAFs when working with backing chains Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 09/15] block: prepare block-stream for using COR-filter Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 10/15] copy-on-read: Support change filename functions Andrey Shinkevich
2020-05-12 14:53 ` Andrey Shinkevich [this message]
2020-05-12 14:53 ` [PATCH v3 12/15] copy-on-read: add filter append/drop functions Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 13/15] qapi: add filter-node-name to block-stream Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 14/15] iotests: prepare 245 for using filter in block-stream Andrey Shinkevich
2020-05-12 14:53 ` [PATCH v3 15/15] block: apply COR-filter to block-stream jobs Andrey Shinkevich
2020-05-12 18:20 ` [PATCH v3 00/15] Apply COR-filter to the block-stream permanently no-reply
2020-05-12 18:24 ` no-reply
2020-05-12 18:27 ` no-reply
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