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2bfe24b)
Don't call into mmap() yet, since we didn't setup ->io_size.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
+ /*
+ * for size checkup, don't mmap anything.
+ */
+ if (!f->io_size)
+ return 0;
+
if (td_rw(td))
flags = PROT_READ | PROT_WRITE;
else if (td_write(td)) {
if (td_rw(td))
flags = PROT_READ | PROT_WRITE;
else if (td_write(td)) {