}
}
-static void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req);
+static void fuse_put_request(struct fuse_req *req);
static struct fuse_req *fuse_get_req(struct fuse_conn *fc, bool for_background)
{
if (unlikely(req->in.h.uid == ((uid_t)-1) ||
req->in.h.gid == ((gid_t)-1))) {
- fuse_put_request(fc, req);
+ fuse_put_request(req);
return ERR_PTR(-EOVERFLOW);
}
return req;
return ERR_PTR(err);
}
-static void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req)
+static void fuse_put_request(struct fuse_req *req)
{
+ struct fuse_conn *fc = req->fc;
+
if (refcount_dec_and_test(&req->count)) {
if (test_bit(FR_BACKGROUND, &req->flags)) {
/*
* the 'end' callback is called if given, else the reference to the
* request is released
*/
-void fuse_request_end(struct fuse_conn *fc, struct fuse_req *req)
+void fuse_request_end(struct fuse_req *req)
{
+ struct fuse_conn *fc = req->fc;
struct fuse_iqueue *fiq = &fc->iq;
if (test_and_set_bit(FR_FINISHED, &req->flags))
if (test_bit(FR_ASYNC, &req->flags))
req->args->end(fc, req->args, req->out.h.error);
put_request:
- fuse_put_request(fc, req);
+ fuse_put_request(req);
}
EXPORT_SYMBOL_GPL(fuse_request_end);
-static int queue_interrupt(struct fuse_iqueue *fiq, struct fuse_req *req)
+static int queue_interrupt(struct fuse_req *req)
{
+ struct fuse_iqueue *fiq = &req->fc->iq;
+
spin_lock(&fiq->lock);
/* Check for we've sent request to interrupt this req */
if (unlikely(!test_bit(FR_INTERRUPTED, &req->flags))) {
return 0;
}
-static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
+static void request_wait_answer(struct fuse_req *req)
{
+ struct fuse_conn *fc = req->fc;
struct fuse_iqueue *fiq = &fc->iq;
int err;
/* matches barrier in fuse_dev_do_read() */
smp_mb__after_atomic();
if (test_bit(FR_SENT, &req->flags))
- queue_interrupt(fiq, req);
+ queue_interrupt(req);
}
if (!test_bit(FR_FORCE, &req->flags)) {
wait_event(req->waitq, test_bit(FR_FINISHED, &req->flags));
}
-static void __fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
+static void __fuse_request_send(struct fuse_req *req)
{
- struct fuse_iqueue *fiq = &fc->iq;
+ struct fuse_iqueue *fiq = &req->fc->iq;
BUG_ON(test_bit(FR_BACKGROUND, &req->flags));
spin_lock(&fiq->lock);
__fuse_get_request(req);
queue_request_and_unlock(fiq, req);
- request_wait_answer(fc, req);
+ request_wait_answer(req);
/* Pairs with smp_wmb() in fuse_request_end() */
smp_rmb();
}
}
}
-static void fuse_force_creds(struct fuse_conn *fc, struct fuse_req *req)
+static void fuse_force_creds(struct fuse_req *req)
{
+ struct fuse_conn *fc = req->fc;
+
req->in.h.uid = from_kuid_munged(fc->user_ns, current_fsuid());
req->in.h.gid = from_kgid_munged(fc->user_ns, current_fsgid());
req->in.h.pid = pid_nr_ns(task_pid(current), fc->pid_ns);
req = fuse_request_alloc(fc, GFP_KERNEL | __GFP_NOFAIL);
if (!args->nocreds)
- fuse_force_creds(fc, req);
+ fuse_force_creds(req);
__set_bit(FR_WAITING, &req->flags);
__set_bit(FR_FORCE, &req->flags);
if (!args->noreply)
__set_bit(FR_ISREPLY, &req->flags);
- __fuse_request_send(fc, req);
+ __fuse_request_send(req);
ret = req->out.h.error;
if (!ret && args->out_argvar) {
BUG_ON(args->out_numargs == 0);
ret = args->out_args[args->out_numargs - 1].size;
}
- fuse_put_request(fc, req);
+ fuse_put_request(req);
return ret;
}
-static bool fuse_request_queue_background(struct fuse_conn *fc,
- struct fuse_req *req)
+static bool fuse_request_queue_background(struct fuse_req *req)
{
+ struct fuse_conn *fc = req->fc;
bool queued = false;
WARN_ON(!test_bit(FR_BACKGROUND, &req->flags));
fuse_args_to_req(req, args);
- if (!fuse_request_queue_background(fc, req)) {
- fuse_put_request(fc, req);
+ if (!fuse_request_queue_background(req)) {
+ fuse_put_request(req);
return -ENOTCONN;
}
} else {
err = -ENODEV;
spin_unlock(&fiq->lock);
- fuse_put_request(fc, req);
+ fuse_put_request(req);
}
return err;
/* SETXATTR is special, since it may contain too large data */
if (args->opcode == FUSE_SETXATTR)
req->out.h.error = -E2BIG;
- fuse_request_end(fc, req);
+ fuse_request_end(req);
goto restart;
}
spin_lock(&fpq->lock);
/* matches barrier in request_wait_answer() */
smp_mb__after_atomic();
if (test_bit(FR_INTERRUPTED, &req->flags))
- queue_interrupt(fiq, req);
- fuse_put_request(fc, req);
+ queue_interrupt(req);
+ fuse_put_request(req);
return reqsize;
if (!test_bit(FR_PRIVATE, &req->flags))
list_del_init(&req->list);
spin_unlock(&fpq->lock);
- fuse_request_end(fc, req);
+ fuse_request_end(req);
return err;
err_unlock:
else if (oh.error == -ENOSYS)
fc->no_interrupt = 1;
else if (oh.error == -EAGAIN)
- err = queue_interrupt(&fc->iq, req);
+ err = queue_interrupt(req);
- fuse_put_request(fc, req);
+ fuse_put_request(req);
goto copy_finish;
}
list_del_init(&req->list);
spin_unlock(&fpq->lock);
- fuse_request_end(fc, req);
+ fuse_request_end(req);
out:
return err ? err : nbytes;
}
/* Abort all requests on the given list (pending or processing) */
-static void end_requests(struct fuse_conn *fc, struct list_head *head)
+static void end_requests(struct list_head *head)
{
while (!list_empty(head)) {
struct fuse_req *req;
req->out.h.error = -ECONNABORTED;
clear_bit(FR_SENT, &req->flags);
list_del_init(&req->list);
- fuse_request_end(fc, req);
+ fuse_request_end(req);
}
}
wake_up_all(&fc->blocked_waitq);
spin_unlock(&fc->lock);
- end_requests(fc, &to_end);
+ end_requests(&to_end);
} else {
spin_unlock(&fc->lock);
}
list_splice_init(&fpq->processing[i], &to_end);
spin_unlock(&fpq->lock);
- end_requests(fc, &to_end);
+ end_requests(&to_end);
/* Are we the last open device? */
if (atomic_dec_and_test(&fc->dev_count)) {