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Diffstat (limited to 'arch/um/os-Linux/aio.c')
-rw-r--r--arch/um/os-Linux/aio.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index c1f0f76291cf..5d258eb4f506 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -132,10 +132,10 @@ static int aio_thread(void *arg)
{ .data = (void *) (long) event.data,
.err = event.res });
reply_fd = ((struct aio_context *) reply.data)->reply_fd;
- err = os_write_file(reply_fd, &reply, sizeof(reply));
+ err = write(reply_fd, &reply, sizeof(reply));
if(err != sizeof(reply))
printk("aio_thread - write failed, fd = %d, "
- "err = %d\n", reply_fd, -err);
+ "err = %d\n", reply_fd, errno);
}
}
return 0;
@@ -147,7 +147,7 @@ static int do_not_aio(struct aio_thread_req *req)
{
char c;
unsigned long long actual;
- int err;
+ int n;
actual = lseek64(req->io_fd, req->offset, SEEK_SET);
if(actual != req->offset)
@@ -155,21 +155,22 @@ static int do_not_aio(struct aio_thread_req *req)
switch(req->type){
case AIO_READ:
- err = os_read_file(req->io_fd, req->buf, req->len);
+ n = read(req->io_fd, req->buf, req->len);
break;
case AIO_WRITE:
- err = os_write_file(req->io_fd, req->buf, req->len);
+ n = write(req->io_fd, req->buf, req->len);
break;
case AIO_MMAP:
- err = os_read_file(req->io_fd, &c, sizeof(c));
+ n = read(req->io_fd, &c, sizeof(c));
break;
default:
printk("do_not_aio - bad request type : %d\n", req->type);
- err = -EINVAL;
- break;
+ return -EINVAL;
}
- return err;
+ if(n < 0)
+ return -errno;
+ return 0;
}
/* These are initialized in initcalls and not changed */
@@ -185,12 +186,12 @@ static int not_aio_thread(void *arg)
signal(SIGWINCH, SIG_IGN);
while(1){
- err = os_read_file(aio_req_fd_r, &req, sizeof(req));
+ err = read(aio_req_fd_r, &req, sizeof(req));
if(err != sizeof(req)){
if(err < 0)
printk("not_aio_thread - read failed, "
"fd = %d, err = %d\n", aio_req_fd_r,
- -err);
+ errno);
else {
printk("not_aio_thread - short read, fd = %d, "
"length = %d\n", aio_req_fd_r, err);
@@ -200,10 +201,10 @@ static int not_aio_thread(void *arg)
err = do_not_aio(&req);
reply = ((struct aio_thread_reply) { .data = req.aio,
.err = err });
- err = os_write_file(req.aio->reply_fd, &reply, sizeof(reply));
+ err = write(req.aio->reply_fd, &reply, sizeof(reply));
if(err != sizeof(reply))
printk("not_aio_thread - write failed, fd = %d, "
- "err = %d\n", req.aio->reply_fd, -err);
+ "err = %d\n", req.aio->reply_fd, errno);
}
return 0;
@@ -277,10 +278,12 @@ static int submit_aio_26(enum aio_type type, int io_fd, char *buf, int len,
if(err){
reply = ((struct aio_thread_reply) { .data = aio,
.err = err });
- err = os_write_file(aio->reply_fd, &reply, sizeof(reply));
- if(err != sizeof(reply))
+ err = write(aio->reply_fd, &reply, sizeof(reply));
+ if(err != sizeof(reply)){
+ err = -errno;
printk("submit_aio_26 - write failed, "
"fd = %d, err = %d\n", aio->reply_fd, -err);
+ }
else err = 0;
}
@@ -375,9 +378,10 @@ static int submit_aio_24(enum aio_type type, int io_fd, char *buf, int len,
};
int err;
- err = os_write_file(aio_req_fd_w, &req, sizeof(req));
+ err = write(aio_req_fd_w, &req, sizeof(req));
if(err == sizeof(req))
err = 0;
+ else err = -errno;
return err;
}