---

yaml
---
r: 18655
b: refs/heads/master
c: 0cd5b88
h: refs/heads/master
i:
  18653: a367217
  18651: b1fce27
  18647: 00cd8fe
  18639: cb4b3b4
  18623: 45c7aa2
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f543f253f3aa721a24557d7df8259145bb01b734
+refs/heads/master: 0cd5b88553acf0611474dbaf8e43770eed268060

trunk/fs/fuse/dev.c

@@ -109,18 +109,24 @@ struct fuse_req *fuse_get_request(struct fuse_conn *fc)
 	int intr;
 	sigset_t oldset;
 
+	atomic_inc(&fc->num_waiting);
 	block_sigs(&oldset);
 	intr = down_interruptible(&fc->outstanding_sem);
 	restore_sigs(&oldset);
-	return intr ? NULL : do_get_request(fc);
+	if (intr) {
+		atomic_dec(&fc->num_waiting);
+		return NULL;
+	}
+	return do_get_request(fc);
 }
 
 static void fuse_putback_request(struct fuse_conn *fc, struct fuse_req *req)
 {
 	spin_lock(&fuse_lock);
-	if (req->preallocated)
+	if (req->preallocated) {
+		atomic_dec(&fc->num_waiting);
 		list_add(&req->list, &fc->unused_list);
-	else
+	} else
 		fuse_request_free(req);
 
 	/* If we are in debt decrease that first */

trunk/fs/fuse/fuse_i.h

@@ -280,6 +280,9 @@ struct fuse_conn {
 	/** Is create not implemented by fs? */
 	unsigned no_create : 1;
 
+	/** The number of requests waiting for completion */
+	atomic_t num_waiting;
+
 	/** Negotiated minor version */
 	unsigned minor;
 

trunk/fs/fuse/inode.c

@@ -555,7 +555,16 @@ static struct file_system_type fuse_fs_type = {
 	.kill_sb	= kill_anon_super,
 };
 
+static ssize_t fuse_conn_waiting_show(struct fuse_conn *fc, char *page)
+{
+	return sprintf(page, "%i\n", atomic_read(&fc->num_waiting));
+}
+
+static struct fuse_conn_attr fuse_conn_waiting =
+	__ATTR(waiting, 0400, fuse_conn_waiting_show, NULL);
+
 static struct attribute *fuse_conn_attrs[] = {
+	&fuse_conn_waiting.attr,
 	NULL,
 };