From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 1 Jul 2015 14:26:02 +0000 (+0200)
Subject: fuse: dev read: split list_move
X-Git-Tag: firefly_0821_release~176^2~1494^2~20
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ef759258869c63e8df9b886ebaf9451c4bbe6cea;p=firefly-linux-kernel-4.4.55.git

fuse: dev read: split list_move

Different lists will need different locks.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Reviewed-by: Ashish Samant <ashish.samant@oracle.com>
---

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index deafbdf278c6..a450940df45f 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1289,7 +1289,8 @@ static ssize_t fuse_dev_do_read(struct fuse_conn *fc, struct file *file,
 
 	req = list_entry(fiq->pending.next, struct fuse_req, list);
 	clear_bit(FR_PENDING, &req->flags);
-	list_move(&req->list, &fc->io);
+	list_del_init(&req->list);
+	list_add(&req->list, &fc->io);
 
 	in = &req->in;
 	reqsize = in->h.len;