Backport from ml:
commit ef759258869c63e8df9b886ebaf9451c4bbe6cea
Author: Miklos Szeredi <[email protected]>
Date: Wed Jul 1 16:26:02 2015 +0200
fuse: dev read: split list_move
Different lists will need different locks.
Signed-off-by: Miklos Szeredi <[email protected]>
Reviewed-by: Ashish Samant <[email protected]>
Signed-off-by: Maxim Patlasov <[email protected]>
---
fs/fuse/dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 7c03d38..1349fb3 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1253,7 +1253,8 @@ 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;
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