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[Qemu-devel] [PATCH v2 2/4] buffered_file: do not send more than s->byte
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v2 2/4] buffered_file: do not send more than s->bytes_xfer bytes per tick |
Date: |
Tue, 20 Nov 2012 17:45:34 +0100 |
Sending more was possible if the buffer was large.
Signed-off-by: Paolo Bonzini <address@hidden>
---
buffered_file.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/buffered_file.c b/buffered_file.c
index 49e9089..edead5c 100644
--- a/buffered_file.c
+++ b/buffered_file.c
@@ -66,9 +66,9 @@ static ssize_t buffered_flush(QEMUFileBuffered *s)
DPRINTF("flushing %zu byte(s) of data\n", s->buffer_size);
while (s->bytes_xfer < s->xfer_limit && offset < s->buffer_size) {
-
+ size_t to_send = MIN(s->buffer_size - offset, s->xfer_limit -
s->bytes_xfer);
ret = migrate_fd_put_buffer(s->migration_state, s->buffer + offset,
- s->buffer_size - offset);
+ to_send);
if (ret == -EAGAIN) {
DPRINTF("backend not ready, freezing\n");
ret = 0;
--
1.7.1