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authorPaolo Bonzini <pbonzini@redhat.com>2013-02-22 17:36:16 +0100
committerJuan Quintela <quintela@redhat.com>2013-03-11 13:32:01 +0100
commit63dfbd7ee03185c181a0791958ec9c8337089b55 (patch)
treecbb7f27a7bc74e97238b1da1817364242ba9d033 /migration.c
parentf5821518ed6d49aae9fd0aa6169d2d74bb83054c (diff)
downloadqemu-63dfbd7ee03185c181a0791958ec9c8337089b55.tar.gz
migration: use qemu_file_set_error
Remove the return value of buffered_flush, pass it via the error code of s->file. Once this is done, the error can be retrieved simply via migrate_fd_close's call to qemu_fclose. Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration.c')
-rw-r--r--migration.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/migration.c b/migration.c
index c5a7f29eb7..939c3f7640 100644
--- a/migration.c
+++ b/migration.c
@@ -518,7 +518,7 @@ int64_t migrate_xbzrle_cache_size(void)
/* migration thread support */
-static ssize_t buffered_flush(MigrationState *s)
+static void buffered_flush(MigrationState *s)
{
size_t offset = 0;
ssize_t ret = 0;
@@ -545,9 +545,8 @@ static ssize_t buffered_flush(MigrationState *s)
s->buffer_size -= offset;
if (ret < 0) {
- return ret;
+ qemu_file_set_error(s->file, ret);
}
- return offset;
}
static int buffered_put_buffer(void *opaque, const uint8_t *buf,
@@ -586,25 +585,15 @@ static int buffered_put_buffer(void *opaque, const uint8_t *buf,
static int buffered_close(void *opaque)
{
MigrationState *s = opaque;
- ssize_t ret = 0;
- int ret2;
DPRINTF("closing\n");
s->xfer_limit = INT_MAX;
while (!qemu_file_get_error(s->file) && s->buffer_size) {
- ret = buffered_flush(s);
- if (ret < 0) {
- break;
- }
- }
-
- ret2 = migrate_fd_close(s);
- if (ret >= 0) {
- ret = ret2;
+ buffered_flush(s);
}
s->complete = true;
- return ret;
+ return migrate_fd_close(s);
}
static int buffered_get_fd(void *opaque)
@@ -750,7 +739,8 @@ static void *buffered_file_thread(void *opaque)
g_usleep((initial_time + BUFFER_DELAY - current_time)*1000);
sleep_time += qemu_get_clock_ms(rt_clock) - current_time;
}
- ret = buffered_flush(s);
+ buffered_flush(s);
+ ret = qemu_file_get_error(s->file);
}
if (ret < 0) {