fuse: split off fch->lock from fc->lock

And document which members they protect.

end_polls() is called with both, outer fch->lock is probably unnecessary,
but doesn't hurt for now.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/fuse/req_timeout.c b/fs/fuse/req_timeout.c
index ef2e39e4dcf4..401d3545b0a8 100644
--- a/fs/fuse/req_timeout.c
+++ b/fs/fuse/req_timeout.c
@@ -89,9 +89,9 @@ static void fuse_check_timeout(struct work_struct *work)
 	if (expired)
 		goto abort_conn;
 
-	spin_lock(&fc->lock);
+	spin_lock(&fc->chan->lock);
 	if (!fc->chan->connected) {
-		spin_unlock(&fc->lock);
+		spin_unlock(&fc->chan->lock);
 		return;
 	}
 	list_for_each_entry(fud, &fc->chan->devices, entry) {
@@ -100,13 +100,13 @@ static void fuse_check_timeout(struct work_struct *work)
 		if (fuse_request_expired(fc, &fpq->io) ||
 		    fuse_fpq_processing_expired(fc, fpq->processing)) {
 			spin_unlock(&fpq->lock);
-			spin_unlock(&fc->lock);
+			spin_unlock(&fc->chan->lock);
 			goto abort_conn;
 		}
 
 		spin_unlock(&fpq->lock);
 	}
-	spin_unlock(&fc->lock);
+	spin_unlock(&fc->chan->lock);
 
 	if (fuse_uring_request_expired(fc))
 		goto abort_conn;