[PATCH 09/11] multifd: Remove send_write() method

[Juan Quintela <quintela@redhat.com>]

Everything use now iov's.

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/multifd.h      |  2 --
 migration/multifd-zlib.c | 17 -----------------
 migration/multifd-zstd.c | 17 -----------------
 migration/multifd.c      | 20 ++------------------
 4 files changed, 2 insertions(+), 54 deletions(-)

diff --git a/migration/multifd.h b/migration/multifd.h
index 67f9104051..f50c51f365 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -164,8 +164,6 @@ typedef struct {
     void (*send_cleanup)(MultiFDSendParams *p, Error **errp);
     /* Prepare the send packet */
     int (*send_prepare)(MultiFDSendParams *p, uint32_t used, Error **errp);
-    /* Write the send packet */
-    int (*send_write)(MultiFDSendParams *p, uint32_t used, Error **errp);
     /* Setup for receiving side */
     int (*recv_setup)(MultiFDRecvParams *p, Error **errp);
     /* Cleanup for receiving side */
diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c
index 2c385e57bc..1201473fa4 100644
--- a/migration/multifd-zlib.c
+++ b/migration/multifd-zlib.c
@@ -153,22 +153,6 @@ static int zlib_send_prepare(MultiFDSendParams *p, uint32_t used, Error **errp)
     return 0;
 }
 
-/**
- * zlib_send_write: do the actual write of the data
- *
- * Do the actual write of the comprresed buffer.
- *
- * Returns 0 for success or -1 for error
- *
- * @p: Params for the channel that we are using
- * @used: number of pages used
- * @errp: pointer to an error
- */
-static int zlib_send_write(MultiFDSendParams *p, uint32_t used, Error **errp)
-{
-    return qio_channel_writev_all(p->c, p->iov, p->iovs_used, errp);
-}
-
 /**
  * zlib_recv_setup: setup receive side
  *
@@ -312,7 +296,6 @@ static MultiFDMethods multifd_zlib_ops = {
     .send_setup = zlib_send_setup,
     .send_cleanup = zlib_send_cleanup,
     .send_prepare = zlib_send_prepare,
-    .send_write = zlib_send_write,
     .recv_setup = zlib_recv_setup,
     .recv_cleanup = zlib_recv_cleanup,
     .recv_pages = zlib_recv_pages
diff --git a/migration/multifd-zstd.c b/migration/multifd-zstd.c
index 6183d0b26d..1532450204 100644
--- a/migration/multifd-zstd.c
+++ b/migration/multifd-zstd.c
@@ -164,22 +164,6 @@ static int zstd_send_prepare(MultiFDSendParams *p, uint32_t used, Error **errp)
     return 0;
 }
 
-/**
- * zstd_send_write: do the actual write of the data
- *
- * Do the actual write of the comprresed buffer.
- *
- * Returns 0 for success or -1 for error
- *
- * @p: Params for the channel that we are using
- * @used: number of pages used
- * @errp: pointer to an error
- */
-static int zstd_send_write(MultiFDSendParams *p, uint32_t used, Error **errp)
-{
-    return qio_channel_writev_all(p->c, p->iov, p->iovs_used, errp);
-}
-
 /**
  * zstd_recv_setup: setup receive side
  *
@@ -325,7 +309,6 @@ static MultiFDMethods multifd_zstd_ops = {
     .send_setup = zstd_send_setup,
     .send_cleanup = zstd_send_cleanup,
     .send_prepare = zstd_send_prepare,
-    .send_write = zstd_send_write,
     .recv_setup = zstd_recv_setup,
     .recv_cleanup = zstd_recv_cleanup,
     .recv_pages = zstd_recv_pages
diff --git a/migration/multifd.c b/migration/multifd.c
index 4368b7f855..f748250c0e 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -100,22 +100,6 @@ static int nocomp_send_prepare(MultiFDSendParams *p, uint32_t used,
     return 0;
 }
 
-/**
- * nocomp_send_write: do the actual write of the data
- *
- * For no compression we just have to write the data.
- *
- * Returns 0 for success or -1 for error
- *
- * @p: Params for the channel that we are using
- * @used: number of pages used
- * @errp: pointer to an error
- */
-static int nocomp_send_write(MultiFDSendParams *p, uint32_t used, Error **errp)
-{
-    return qio_channel_writev_all(p->c, p->iov, p->iovs_used, errp);
-}
-
 /**
  * nocomp_recv_setup: setup receive side
  *
@@ -173,7 +157,6 @@ static MultiFDMethods multifd_nocomp_ops = {
     .send_setup = nocomp_send_setup,
     .send_cleanup = nocomp_send_cleanup,
     .send_prepare = nocomp_send_prepare,
-    .send_write = nocomp_send_write,
     .recv_setup = nocomp_recv_setup,
     .recv_cleanup = nocomp_recv_cleanup,
     .recv_pages = nocomp_recv_pages
@@ -688,7 +671,8 @@ static void *multifd_send_thread(void *opaque)
             }
 
             if (used) {
-                ret = multifd_send_state->ops->send_write(p, used, &local_err);
+                ret = qio_channel_writev_all(p->c, p->iov, p->iovs_used,
+                                             &local_err);
                 if (ret != 0) {
                     break;
                 }
-- 
2.33.1