qemu_put_be functions used qemu_put_byte this caused lots of 1 bytes buffers
in the iovec.
we move to use cpu_put_be64/32/16wu and put a single buffer per call.
Signed-off-by: Orit Wasserman <owass...@redhat.com>
---
savevm.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/savevm.c b/savevm.c
index 9506a20..40d96f4 100644
--- a/savevm.c
+++ b/savevm.c
@@ -799,22 +799,26 @@ void qemu_file_reset_rate_limit(QEMUFile *f)
void qemu_put_be16(QEMUFile *f, unsigned int v)
{
- qemu_put_byte(f, v >> 8);
- qemu_put_byte(f, v);
+ uint16_t p;
+ cpu_to_be16wu(&p, v);
+
+ qemu_put_buffer(f, (uint8_t *)&p, sizeof(p));
}
void qemu_put_be32(QEMUFile *f, unsigned int v)
{
- qemu_put_byte(f, v >> 24);
- qemu_put_byte(f, v >> 16);
- qemu_put_byte(f, v >> 8);
- qemu_put_byte(f, v);
+ uint32_t p;
+ cpu_to_be32wu(&p, v);
+
+ qemu_put_buffer(f, (uint8_t *)&p, sizeof(p));
}
void qemu_put_be64(QEMUFile *f, uint64_t v)
{
- qemu_put_be32(f, v >> 32);
- qemu_put_be32(f, v);
+ uint64_t p;
+ cpu_to_be64wu(&p, v);
+
+ qemu_put_buffer(f, (uint8_t *)&p, sizeof(p));
}
unsigned int qemu_get_be16(QEMUFile *f)
--
1.7.11.7
