diff mbox series

[v2,2/8] multifd: Rename "size" member to pages_alloc

Message ID 20190220115611.3192-3-quintela@redhat.com
State New
Headers show
Series migration: Make multifd not experimental | expand

Commit Message

Juan Quintela Feb. 20, 2019, 11:56 a.m. UTC
It really indicates what is the number of allocated pages for one
packet.  Once there rename "used" to "pages_used".

Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/ram.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

Comments

Dr. David Alan Gilbert Feb. 21, 2019, 5:48 p.m. UTC | #1
* Juan Quintela (quintela@redhat.com) wrote:
> It really indicates what is the number of allocated pages for one
> packet.  Once there rename "used" to "pages_used".
> 
> Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  migration/ram.c | 23 ++++++++++++-----------
>  1 file changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index 8b5fd67d66..29f0d431a8 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -531,8 +531,9 @@ typedef struct {
>      uint32_t magic;
>      uint32_t version;
>      uint32_t flags;
> -    uint32_t size;
> -    uint32_t used;
> +    /* maximum number of allocated pages */
> +    uint32_t pages_alloc;
> +    uint32_t pages_used;
>      uint64_t packet_num;
>      char ramblock[256];
>      uint64_t offset[];
> @@ -718,8 +719,8 @@ static void multifd_send_fill_packet(MultiFDSendParams *p)
>      packet->magic = cpu_to_be32(MULTIFD_MAGIC);
>      packet->version = cpu_to_be32(MULTIFD_VERSION);
>      packet->flags = cpu_to_be32(p->flags);
> -    packet->size = cpu_to_be32(migrate_multifd_page_count());
> -    packet->used = cpu_to_be32(p->pages->used);
> +    packet->pages_alloc = cpu_to_be32(migrate_multifd_page_count());
> +    packet->pages_used = cpu_to_be32(p->pages->used);
>      packet->packet_num = cpu_to_be64(p->packet_num);
>  
>      if (p->pages->block) {
> @@ -755,19 +756,19 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
>  
>      p->flags = be32_to_cpu(packet->flags);
>  
> -    packet->size = be32_to_cpu(packet->size);
> -    if (packet->size > migrate_multifd_page_count()) {
> +    packet->pages_alloc = be32_to_cpu(packet->pages_alloc);
> +    if (packet->pages_alloc > migrate_multifd_page_count()) {
>          error_setg(errp, "multifd: received packet "
>                     "with size %d and expected maximum size %d",
> -                   packet->size, migrate_multifd_page_count()) ;
> +                   packet->pages_alloc, migrate_multifd_page_count()) ;
>          return -1;
>      }
>  
> -    p->pages->used = be32_to_cpu(packet->used);
> -    if (p->pages->used > packet->size) {
> +    p->pages->used = be32_to_cpu(packet->pages_used);
> +    if (p->pages->used > packet->pages_alloc) {
>          error_setg(errp, "multifd: received packet "
> -                   "with size %d and expected maximum size %d",
> -                   p->pages->used, packet->size) ;
> +                   "with %d pages and expected maximum pages are %d",
> +                   p->pages->used, packet->pages_alloc) ;
>          return -1;
>      }
>  
> -- 
> 2.20.1
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
diff mbox series

Patch

diff --git a/migration/ram.c b/migration/ram.c
index 8b5fd67d66..29f0d431a8 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -531,8 +531,9 @@  typedef struct {
     uint32_t magic;
     uint32_t version;
     uint32_t flags;
-    uint32_t size;
-    uint32_t used;
+    /* maximum number of allocated pages */
+    uint32_t pages_alloc;
+    uint32_t pages_used;
     uint64_t packet_num;
     char ramblock[256];
     uint64_t offset[];
@@ -718,8 +719,8 @@  static void multifd_send_fill_packet(MultiFDSendParams *p)
     packet->magic = cpu_to_be32(MULTIFD_MAGIC);
     packet->version = cpu_to_be32(MULTIFD_VERSION);
     packet->flags = cpu_to_be32(p->flags);
-    packet->size = cpu_to_be32(migrate_multifd_page_count());
-    packet->used = cpu_to_be32(p->pages->used);
+    packet->pages_alloc = cpu_to_be32(migrate_multifd_page_count());
+    packet->pages_used = cpu_to_be32(p->pages->used);
     packet->packet_num = cpu_to_be64(p->packet_num);
 
     if (p->pages->block) {
@@ -755,19 +756,19 @@  static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
 
     p->flags = be32_to_cpu(packet->flags);
 
-    packet->size = be32_to_cpu(packet->size);
-    if (packet->size > migrate_multifd_page_count()) {
+    packet->pages_alloc = be32_to_cpu(packet->pages_alloc);
+    if (packet->pages_alloc > migrate_multifd_page_count()) {
         error_setg(errp, "multifd: received packet "
                    "with size %d and expected maximum size %d",
-                   packet->size, migrate_multifd_page_count()) ;
+                   packet->pages_alloc, migrate_multifd_page_count()) ;
         return -1;
     }
 
-    p->pages->used = be32_to_cpu(packet->used);
-    if (p->pages->used > packet->size) {
+    p->pages->used = be32_to_cpu(packet->pages_used);
+    if (p->pages->used > packet->pages_alloc) {
         error_setg(errp, "multifd: received packet "
-                   "with size %d and expected maximum size %d",
-                   p->pages->used, packet->size) ;
+                   "with %d pages and expected maximum pages are %d",
+                   p->pages->used, packet->pages_alloc) ;
         return -1;
     }