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fuse: use list_first_entry() in flush_bg_queue() 

This cleanup patch makes the function to use the primitive
instead of direct dereferencing.

Also, move fiq dereferencing out of cycle, since it's
always constant.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Kirill Tkhai 2018-07-31 13:25:25 +03:00 committed by Miklos Szeredi
parent 88bc7d5097
commit e287179afe
1 changed files with 3 additions and 2 deletions
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5
fs/fuse/dev.c
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@ -353,12 +353,13 @@ void fuse_queue_forget(struct fuse_conn *fc, struct fuse_forget_link *forget,
static void flush_bg_queue(struct fuse_conn *fc)
{
struct fuse_iqueue *fiq = &fc->iq;
while (fc->active_background < fc->max_background &&
!list_empty(&fc->bg_queue)) {
struct fuse_req *req;
struct fuse_iqueue *fiq = &fc->iq;
req = list_entry(fc->bg_queue.next, struct fuse_req, list);
req = list_first_entry(&fc->bg_queue, struct fuse_req, list);
list_del(&req->list);
fc->active_background++;
spin_lock(&fiq->waitq.lock);