From 22f46ce2ef94151f806f84ab0f9ee43a72dfb1f1 Mon Sep 17 00:00:00 2001 From: Lars Ellenberg Date: Mon, 11 Jul 2011 17:32:26 +0200 Subject: [PATCH] drbd: change some GFP_KERNEL to GFP_NOIO Bitmap IO may happend in the context of an application write, in the generic block IO path. We need to use GFP_NOIO. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_bitmap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index e5e756d..9611db4 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -955,7 +955,7 @@ static void bm_async_io_complete(struct bio *bio, int error) static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must_hold(local) { /* we are process context. we always get a bio */ - struct bio *bio = bio_alloc(GFP_KERNEL, 1); + struct bio *bio = bio_alloc(GFP_NOIO, 1); struct drbd_conf *mdev = ctx->mdev; struct drbd_bitmap *b = mdev->bitmap; struct page *page; @@ -1029,7 +1029,7 @@ static int bm_rw(struct drbd_conf *mdev, int rw, unsigned lazy_writeout_upper_id * as we submit copies of pages anyways. */ - ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_KERNEL); + ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_NOIO); if (!ctx) return -ENOMEM; @@ -1175,7 +1175,7 @@ int drbd_bm_write_page(struct drbd_conf *mdev, unsigned int idx) __must_hold(loc return 0; } - ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_KERNEL); + ctx = kmalloc(sizeof(struct bm_aio_ctx), GFP_NOIO); if (!ctx) return -ENOMEM; -- 2.7.4