diff options
Diffstat (limited to 'arch/um/os-Linux/aio.c')
| -rw-r--r-- | arch/um/os-Linux/aio.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c index 6ff12743a0b..c1f0f76291c 100644 --- a/arch/um/os-Linux/aio.c +++ b/arch/um/os-Linux/aio.c @@ -146,28 +146,21 @@ static int aio_thread(void *arg) static int do_not_aio(struct aio_thread_req *req) { char c; + unsigned long long actual; int err; + actual = lseek64(req->io_fd, req->offset, SEEK_SET); + if(actual != req->offset) + return -errno; + switch(req->type){ case AIO_READ: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - err = os_read_file(req->io_fd, req->buf, req->len); break; case AIO_WRITE: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - err = os_write_file(req->io_fd, req->buf, req->len); break; case AIO_MMAP: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - err = os_read_file(req->io_fd, &c, sizeof(c)); break; default: @@ -176,7 +169,6 @@ static int do_not_aio(struct aio_thread_req *req) break; } -out: return err; } @@ -207,7 +199,7 @@ static int not_aio_thread(void *arg) } err = do_not_aio(&req); reply = ((struct aio_thread_reply) { .data = req.aio, - .err = err }); + .err = err }); err = os_write_file(req.aio->reply_fd, &reply, sizeof(reply)); if(err != sizeof(reply)) printk("not_aio_thread - write failed, fd = %d, " |