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blk-mq: add a flags parameter to blk_mq_alloc_request

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We already have the reserved flag, and a nowait flag awkwardly encoded as
a gfp_t.  Add a real flags argument to make the scheme more extensible and
allow for a nicer calling convention.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2015-11-26 09:13:05 +01:00
committed by Jens Axboe
parent d7cf931dd9
commit 6f3b0e8bcf
11 changed files with 42 additions and 42 deletions
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4
fs/block_dev.c
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@@ -395,7 +395,7 @@ int bdev_read_page(struct block_device *bdev, sector_t sector,
if (!ops->rw_page || bdev_get_integrity(bdev))
return result;
result = blk_queue_enter(bdev->bd_queue, GFP_KERNEL);
result = blk_queue_enter(bdev->bd_queue, false);
if (result)
return result;
result = ops->rw_page(bdev, sector + get_start_sect(bdev), page, READ);
@@ -432,7 +432,7 @@ int bdev_write_page(struct block_device *bdev, sector_t sector,
if (!ops->rw_page || bdev_get_integrity(bdev))
return -EOPNOTSUPP;
result = blk_queue_enter(bdev->bd_queue, GFP_KERNEL);
result = blk_queue_enter(bdev->bd_queue, false);
if (result)
return result;