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54 lines
1.8 KiB
54 lines
1.8 KiB
9 months ago
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From bac5ce0b4d3552d6056045f201b4e50dd6204b31 Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Wed, 18 May 2022 02:52:24 -0300
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Subject: [PATCH 13/37] multifd: Make zstd use iov's
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Leonardo Brás <leobras@redhat.com>
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RH-MergeRequest: 191: MSG_ZEROCOPY + Multifd @ rhel8.7
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RH-Commit: [13/26] 4d7036fb32efdf088d23737b9710e6ad1a4654aa
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RH-Bugzilla: 2072049
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: Daniel P. Berrangé <berrange@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 0a818b89eb8eaf79ae651405907d8110a0935cfd)
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Signed-off-by: Leonardo Bras <leobras@redhat.com>
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---
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migration/multifd-zstd.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/migration/multifd-zstd.c b/migration/multifd-zstd.c
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index 2185a83eac..4e60cdbc54 100644
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--- a/migration/multifd-zstd.c
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+++ b/migration/multifd-zstd.c
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@@ -156,6 +156,9 @@ static int zstd_send_prepare(MultiFDSendParams *p, Error **errp)
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return -1;
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}
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}
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+ p->iov[p->iovs_num].iov_base = z->zbuff;
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+ p->iov[p->iovs_num].iov_len = z->out.pos;
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+ p->iovs_num++;
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p->next_packet_size = z->out.pos;
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p->flags |= MULTIFD_FLAG_ZSTD;
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@@ -175,10 +178,7 @@ static int zstd_send_prepare(MultiFDSendParams *p, Error **errp)
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*/
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static int zstd_send_write(MultiFDSendParams *p, uint32_t used, Error **errp)
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{
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- struct zstd_data *z = p->data;
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-
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- return qio_channel_write_all(p->c, (void *)z->zbuff, p->next_packet_size,
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- errp);
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+ return qio_channel_writev_all(p->c, p->iov, p->iovs_num, errp);
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}
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/**
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--
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2.35.3
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