fuse: export fuse_len_args()
virtio-fs will need to query the length of fuse_arg lists. Make the symbol
visible.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 2696f00..8f36e64 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -177,7 +177,7 @@ static void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req)
}
EXPORT_SYMBOL_GPL(fuse_put_request);
-static unsigned len_args(unsigned numargs, struct fuse_arg *args)
+unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args)
{
unsigned nbytes = 0;
unsigned i;
@@ -187,6 +187,7 @@ static unsigned len_args(unsigned numargs, struct fuse_arg *args)
return nbytes;
}
+EXPORT_SYMBOL_GPL(fuse_len_args);
static u64 fuse_get_unique(struct fuse_iqueue *fiq)
{
@@ -202,8 +203,8 @@ static unsigned int fuse_req_hash(u64 unique)
static void queue_request(struct fuse_iqueue *fiq, struct fuse_req *req)
{
req->in.h.len = sizeof(struct fuse_in_header) +
- len_args(req->args->in_numargs,
- (struct fuse_arg *) req->args->in_args);
+ fuse_len_args(req->args->in_numargs,
+ (struct fuse_arg *) req->args->in_args);
list_add_tail(&req->list, &fiq->pending);
wake_up(&fiq->waitq);
kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
@@ -1779,7 +1780,7 @@ static int copy_out_args(struct fuse_copy_state *cs, struct fuse_args *args,
{
unsigned reqsize = sizeof(struct fuse_out_header);
- reqsize += len_args(args->out_numargs, args->out_args);
+ reqsize += fuse_len_args(args->out_numargs, args->out_args);
if (reqsize < nbytes || (reqsize > nbytes && !args->out_argvar))
return -EINVAL;