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qemu-io: small cleanups for the aio code 

Address a couple of review comments from Kevin.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2009-07-10 13:33:38 +02:00 committed by Anthony Liguori
parent 52249f0f3c
commit 230d4fa48b
1 changed files with 16 additions and 24 deletions
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40
qemu-io.c
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@ -769,25 +769,23 @@ aio_write_done(void *opaque, int ret)
{
struct aio_ctx *ctx = opaque;
struct timeval t2;
int total;
int cnt = 1;
gettimeofday(&t2, NULL);
total = ctx->qiov.size;
if (ret < 0) {
printf("aio_write failed: %s\n", strerror(-ret));
return;
}
if (ctx->qflag)
if (ctx->qflag) {
return;
}
/* Finally, report back -- -C gives a parsable format */
t2 = tsub(t2, ctx->t1);
print_report("wrote", &t2, ctx->offset, ctx->qiov.size, total, cnt,
ctx->Cflag);
print_report("wrote", &t2, ctx->offset, ctx->qiov.size,
ctx->qiov.size, 1, ctx->Cflag);
qemu_io_free(ctx->buf);
free(ctx);
@ -800,44 +798,41 @@ aio_read_done(void *opaque, int ret)
{
struct aio_ctx *ctx = opaque;
struct timeval t2;
int total;
int cnt = 1;
gettimeofday(&t2, NULL);
total = ctx->qiov.size;
if (ret < 0) {
printf("readv failed: %s\n", strerror(-ret));
return;
}
if (ctx->Pflag) {
void *cmp_buf = malloc(total);
void *cmp_buf = malloc(ctx->qiov.size);
memset(cmp_buf, ctx->pattern, total);
if (memcmp(ctx->buf, cmp_buf, total)) {
memset(cmp_buf, ctx->pattern, ctx->qiov.size);
if (memcmp(ctx->buf, cmp_buf, ctx->qiov.size)) {
printf("Pattern verification failed at offset %lld, "
"%d bytes\n",
(long long) ctx->offset, total);
"%zd bytes\n",
(long long) ctx->offset, ctx->qiov.size);
}
free(cmp_buf);
}
if (ctx->qflag)
if (ctx->qflag) {
return;
}
if (ctx->vflag)
dump_buffer(ctx->buf, ctx->offset, total);
if (ctx->vflag) {
dump_buffer(ctx->buf, ctx->offset, ctx->qiov.size);
}
/* Finally, report back -- -C gives a parsable format */
t2 = tsub(t2, ctx->t1);
print_report("read", &t2, ctx->offset, ctx->qiov.size, total, cnt,
ctx->Cflag);
print_report("read", &t2, ctx->offset, ctx->qiov.size,
ctx->qiov.size, 1, ctx->Cflag);
qemu_io_free(ctx->buf);
free(ctx);
}
static void
@ -870,8 +865,6 @@ aio_read_f(int argc, char **argv)
struct aio_ctx *ctx = calloc(1, sizeof(struct aio_ctx));
BlockDriverAIOCB *acb;
ctx->pattern = 0xcd;
while ((c = getopt(argc, argv, "CP:qv")) != EOF) {
switch (c) {
case 'C':
@ -1035,7 +1028,6 @@ aio_write_f(int argc, char **argv)
return 0;
}
for (i = optind; i < argc; i++) {
size_t len;