From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 15/16] writeback: add @gfp to wb_init() Date: Tue, 6 Jan 2015 14:29:16 -0500 Message-ID: <1420572557-11572-16-git-send-email-tj@kernel.org> References: <1420572557-11572-1-git-send-email-tj@kernel.org> Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jack-AlSwsSmVLrQ@public.gmane.org, hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, mhocko-AlSwsSmVLrQ@public.gmane.org, Tejun Heo To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org Return-path: In-Reply-To: <1420572557-11572-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-fsdevel.vger.kernel.org wb_init() currently always uses GFP_KERNEL but the planned cgroup writeback support needs using other allocation masks. Add @gfp to wb_init(). This patch doesn't introduce any behavior changes. Signed-off-by: Tejun Heo Cc: Jens Axboe Cc: Jan Kara --- mm/backing-dev.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index a98a957..1c9b70e 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -342,7 +342,8 @@ void wb_wakeup_delayed(struct bdi_writeback *wb) */ #define INIT_BW (100 << (20 - PAGE_SHIFT)) -static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi) +static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi, + gfp_t gfp) { int i, err; @@ -365,12 +366,12 @@ static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi) INIT_LIST_HEAD(&wb->work_list); INIT_DELAYED_WORK(&wb->dwork, wb_workfn); - err = fprop_local_init_percpu(&wb->completions, GFP_KERNEL); + err = fprop_local_init_percpu(&wb->completions, gfp); if (err) return err; for (i = 0; i < NR_WB_STAT_ITEMS; i++) { - err = percpu_counter_init(&wb->stat[i], 0, GFP_KERNEL); + err = percpu_counter_init(&wb->stat[i], 0, gfp); if (err) { while (--i) percpu_counter_destroy(&wb->stat[i]); @@ -450,7 +451,7 @@ int bdi_init(struct backing_dev_info *bdi) bdi->max_prop_frac = FPROP_FRAC_BASE; INIT_LIST_HEAD(&bdi->bdi_list); - err = wb_init(&bdi->wb, bdi); + err = wb_init(&bdi->wb, bdi, GFP_KERNEL); if (err) return err; -- 2.1.0