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Re: [PATCH v3 07/23] multifd: remove used parameter from send_recv_pages
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [PATCH v3 07/23] multifd: remove used parameter from send_recv_pages() method |
Date: |
Thu, 25 Nov 2021 18:53:01 +0000 |
User-agent: |
Mutt/2.1.3 (2021-09-10) |
* Juan Quintela (quintela@redhat.com) wrote:
> It is already there as p->pages->num.
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> migration/multifd.h | 2 +-
> migration/multifd-zlib.c | 9 ++++-----
> migration/multifd-zstd.c | 7 +++----
> migration/multifd.c | 7 +++----
> 4 files changed, 11 insertions(+), 14 deletions(-)
>
> diff --git a/migration/multifd.h b/migration/multifd.h
> index 7968cc5c20..e57adc783b 100644
> --- a/migration/multifd.h
> +++ b/migration/multifd.h
> @@ -167,7 +167,7 @@ typedef struct {
> /* Cleanup for receiving side */
> void (*recv_cleanup)(MultiFDRecvParams *p);
> /* Read all pages */
> - int (*recv_pages)(MultiFDRecvParams *p, uint32_t used, Error **errp);
> + int (*recv_pages)(MultiFDRecvParams *p, Error **errp);
> } MultiFDMethods;
>
> void multifd_register_ops(int method, MultiFDMethods *ops);
> diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c
> index 28f0ed933b..e85ef8824d 100644
> --- a/migration/multifd-zlib.c
> +++ b/migration/multifd-zlib.c
> @@ -230,17 +230,16 @@ static void zlib_recv_cleanup(MultiFDRecvParams *p)
> * 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_recv_pages(MultiFDRecvParams *p, uint32_t used, Error **errp)
> +static int zlib_recv_pages(MultiFDRecvParams *p, Error **errp)
> {
> struct zlib_data *z = p->data;
> z_stream *zs = &z->zs;
> uint32_t in_size = p->next_packet_size;
> /* we measure the change of total_out */
> uint32_t out_size = zs->total_out;
> - uint32_t expected_size = used * qemu_target_page_size();
> + uint32_t expected_size = p->pages->num * qemu_target_page_size();
> uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK;
> int ret;
> int i;
> @@ -259,12 +258,12 @@ static int zlib_recv_pages(MultiFDRecvParams *p,
> uint32_t used, Error **errp)
> zs->avail_in = in_size;
> zs->next_in = z->zbuff;
>
> - for (i = 0; i < used; i++) {
> + for (i = 0; i < p->pages->num; i++) {
> struct iovec *iov = &p->pages->iov[i];
> int flush = Z_NO_FLUSH;
> unsigned long start = zs->total_out;
>
> - if (i == used - 1) {
> + if (i == p->pages->num - 1) {
> flush = Z_SYNC_FLUSH;
> }
>
> diff --git a/migration/multifd-zstd.c b/migration/multifd-zstd.c
> index 4a71e96e06..a8b104f4ee 100644
> --- a/migration/multifd-zstd.c
> +++ b/migration/multifd-zstd.c
> @@ -250,14 +250,13 @@ static void zstd_recv_cleanup(MultiFDRecvParams *p)
> * 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_recv_pages(MultiFDRecvParams *p, uint32_t used, Error **errp)
> +static int zstd_recv_pages(MultiFDRecvParams *p, Error **errp)
> {
> uint32_t in_size = p->next_packet_size;
> uint32_t out_size = 0;
> - uint32_t expected_size = used * qemu_target_page_size();
> + uint32_t expected_size = p->pages->num * qemu_target_page_size();
> uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK;
> struct zstd_data *z = p->data;
> int ret;
> @@ -278,7 +277,7 @@ static int zstd_recv_pages(MultiFDRecvParams *p, uint32_t
> used, Error **errp)
> z->in.size = in_size;
> z->in.pos = 0;
>
> - for (i = 0; i < used; i++) {
> + for (i = 0; i < p->pages->num; i++) {
> struct iovec *iov = &p->pages->iov[i];
>
> z->out.dst = iov->iov_base;
> diff --git a/migration/multifd.c b/migration/multifd.c
> index 098ef8842c..55d99a8232 100644
> --- a/migration/multifd.c
> +++ b/migration/multifd.c
> @@ -141,10 +141,9 @@ static void nocomp_recv_cleanup(MultiFDRecvParams *p)
> * 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_recv_pages(MultiFDRecvParams *p, uint32_t used, Error
> **errp)
> +static int nocomp_recv_pages(MultiFDRecvParams *p, Error **errp)
> {
> uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK;
>
> @@ -153,7 +152,7 @@ static int nocomp_recv_pages(MultiFDRecvParams *p,
> uint32_t used, Error **errp)
> p->id, flags, MULTIFD_FLAG_NOCOMP);
> return -1;
> }
> - return qio_channel_readv_all(p->c, p->pages->iov, used, errp);
> + return qio_channel_readv_all(p->c, p->pages->iov, p->pages->num, errp);
> }
>
> static MultiFDMethods multifd_nocomp_ops = {
> @@ -1099,7 +1098,7 @@ static void *multifd_recv_thread(void *opaque)
> qemu_mutex_unlock(&p->mutex);
>
> if (used) {
> - ret = multifd_recv_state->ops->recv_pages(p, used, &local_err);
> + ret = multifd_recv_state->ops->recv_pages(p, &local_err);
> if (ret != 0) {
> break;
> }
> --
> 2.33.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
- Re: [PATCH v3 03/23] multifd: Rename used field to num, (continued)
[PATCH v3 05/23] multifd: The variable is only used inside the loop, Juan Quintela, 2021/11/24
[PATCH v3 08/23] multifd: Fill offset and block for reception, Juan Quintela, 2021/11/24
[PATCH v3 10/23] multifd: Make zlib compression method not use iovs, Juan Quintela, 2021/11/24
[PATCH v3 07/23] multifd: remove used parameter from send_recv_pages() method, Juan Quintela, 2021/11/24
- Re: [PATCH v3 07/23] multifd: remove used parameter from send_recv_pages() method,
Dr. David Alan Gilbert <=
[PATCH v3 04/23] multifd: Add missing documention, Juan Quintela, 2021/11/24
[PATCH v3 09/23] multifd: Make zstd compression method not use iovs, Juan Quintela, 2021/11/24
[PATCH v3 11/23] multifd: Move iov from pages to params, Juan Quintela, 2021/11/24
[PATCH v3 12/23] multifd: Make zlib use iov's, Juan Quintela, 2021/11/24