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drbd: change some GFP_KERNEL to GFP_NOIO

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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 <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2011-07-11 17:32:26 +02:00 committed by Philipp Reisner
parent dfa8bedbfe
commit 22f46ce2ef
1 changed files with 3 additions and 3 deletions
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6
drivers/block/drbd/drbd_bitmap.c
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@ -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;