From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 18/48] writeback: add @gfp to wb_init() Date: Mon, 23 Mar 2015 00:54:29 -0400 Message-ID: <1427086499-15657-19-git-send-email-tj@kernel.org> References: <1427086499-15657-1-git-send-email-tj@kernel.org> Cc: linux-kernel@vger.kernel.org, jack@suse.cz, hch@infradead.org, hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org, vgoyal@redhat.com, lizefan@huawei.com, cgroups@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz, clm@fb.com, fengguang.wu@intel.com, david@fromorbit.com, gthelen@google.com, Tejun Heo To: axboe@kernel.dk Return-path: In-Reply-To: <1427086499-15657-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.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 b0707d1..805b287 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -291,7 +291,8 @@ 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; @@ -315,12 +316,12 @@ 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]); @@ -378,7 +379,7 @@ 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