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From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 19/34] buffered_file: unfold buffered_append in buffered_put_buffer
Date: Wed, 19 Dec 2012 13:33:42 +0100	[thread overview]
Message-ID: <1355920437-29882-20-git-send-email-quintela@redhat.com> (raw)
In-Reply-To: <1355920437-29882-1-git-send-email-quintela@redhat.com>

It was the only user, and now buffered_put_buffer just do the append

Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---
 buffered_file.c | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/buffered_file.c b/buffered_file.c
index 2c3820c..11efd8f 100644
--- a/buffered_file.c
+++ b/buffered_file.c
@@ -42,22 +42,6 @@ typedef struct QEMUFileBuffered
     do { } while (0)
 #endif

-static void buffered_append(QEMUFileBuffered *s,
-                            const uint8_t *buf, size_t size)
-{
-    if (size > (s->buffer_capacity - s->buffer_size)) {
-        DPRINTF("increasing buffer capacity from %zu by %zu\n",
-                s->buffer_capacity, size + 1024);
-
-        s->buffer_capacity += size + 1024;
-
-        s->buffer = g_realloc(s->buffer, s->buffer_capacity);
-    }
-
-    memcpy(s->buffer + s->buffer_size, buf, size);
-    s->buffer_size += size;
-}
-
 static ssize_t buffered_flush(QEMUFileBuffered *s)
 {
     size_t offset = 0;
@@ -102,11 +86,22 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, in
         return error;
     }

-    if (size > 0) {
-        DPRINTF("buffering %d bytes\n", size - offset);
-        buffered_append(s, buf, size);
+    if (size <= 0) {
+        return size;
     }

+    if (size > (s->buffer_capacity - s->buffer_size)) {
+        DPRINTF("increasing buffer capacity from %zu by %zu\n",
+                s->buffer_capacity, size + 1024);
+
+        s->buffer_capacity += size + 1024;
+
+        s->buffer = g_realloc(s->buffer, s->buffer_capacity);
+    }
+
+    memcpy(s->buffer + s->buffer_size, buf, size);
+    s->buffer_size += size;
+
     return size;
 }

-- 
1.7.11.7

  parent reply	other threads:[~2012-12-19 12:34 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-19 12:33 [Qemu-devel] [PATCH 00/34] migration thread and queue Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 01/34] migration: fix migration_bitmap leak Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 02/34] buffered_file: do not send more than s->bytes_xfer bytes per tick Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 03/34] migration: remove double call to migrate_fd_close Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 04/34] migration: include qemu-file.h Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 05/34] migration-fd: remove duplicate include Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 06/34] exec: change ramlist from MRU order to a 1-item cache Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 07/34] exec: change RAM list to a TAILQ Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 08/34] exec: sort the memory from biggest to smallest Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 09/34] add a version number to ram_list Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 10/34] protect the ramlist with a separate mutex Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 11/34] buffered_file: Move from using a timer to use a thread Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 12/34] migration: make qemu_fopen_ops_buffered() return void Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 13/34] migration: move migration thread init code to migrate_fd_put_ready Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 14/34] migration: make writes blocking Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 15/34] migration: remove unfreeze logic Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 16/34] migration: just lock migrate_fd_put_ready Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 17/34] buffered_file: Unfold the trick to restart generating migration data Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 18/34] buffered_file: don't flush on put buffer Juan Quintela
2012-12-19 12:33 ` Juan Quintela [this message]
2012-12-19 12:33 ` [Qemu-devel] [PATCH 20/34] savevm: New save live migration method: pending Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 21/34] migration: move buffered_file.c code into migration.c Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 22/34] migration: add XFER_LIMIT_RATIO Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 23/34] migration: move migration_fd_put_ready() Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 24/34] migration: Inline qemu_fopen_ops_buffered into migrate_fd_connect Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 25/34] migration: move migration notifier Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 26/34] ram: rename last_block to last_seen_block Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 27/34] ram: Add last_sent_block Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 28/34] memory: introduce memory_region_test_and_clear_dirty Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 29/34] ram: Use memory_region_test_and_clear_dirty Juan Quintela
2012-12-20 23:38   ` Eric Blake
2012-12-19 12:33 ` [Qemu-devel] [PATCH 30/34] ram: optimize migration bitmap walking Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 31/34] ram: account the amount of transferred ram better Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 32/34] ram: refactor ram_save_block() return value Juan Quintela
2012-12-20 23:42   ` Eric Blake
2012-12-19 12:33 ` [Qemu-devel] [PATCH 33/34] migration: fix qemu_get_fd for BufferedFile Juan Quintela
2012-12-19 12:33 ` [Qemu-devel] [PATCH 34/34] migration: merge QEMUFileBuffered into MigrationState Juan Quintela
2012-12-19 12:54 ` [Qemu-devel] [PATCH 00/34] migration thread and queue Paolo Bonzini

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