From: Guoqing Jiang <guoqing.jiang@linux.dev>
To: axboe@kernel.dk, colyli@suse.de, kent.overstreet@gmail.com,
agk@redhat.com, snitzer@redhat.com
Cc: linux-block@vger.kernel.org, dm-devel@redhat.com,
linux-bcache@vger.kernel.org
Subject: Re: [dm-devel] [PATCH] block: move some macros to blkdev.h
Date: Thu, 12 Aug 2021 08:43:54 +0800 [thread overview]
Message-ID: <318fe9e7-1136-5716-f600-709f1fe321d8@linux.dev> (raw)
In-Reply-To: <20210721025315.1729118-1-guoqing.jiang@linux.dev>
Gentle ping ...
On 7/21/21 10:53 AM, Guoqing Jiang wrote:
> From: Guoqing Jiang <jiangguoqing@kylinos.cn>
>
> Move them (PAGE_SECTORS_SHIFT, PAGE_SECTORS and SECTOR_MASK) to the
> generic header file to remove redundancy.
>
> Signed-off-by: Guoqing Jiang <jiangguoqing@kylinos.cn>
> ---
> drivers/block/brd.c | 3 ---
> drivers/block/null_blk/main.c | 4 ----
> drivers/md/bcache/util.h | 2 --
> include/linux/blkdev.h | 4 ++++
> include/linux/device-mapper.h | 1 -
> 5 files changed, 4 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/block/brd.c b/drivers/block/brd.c
> index 95694113e38e..58ec167aa018 100644
> --- a/drivers/block/brd.c
> +++ b/drivers/block/brd.c
> @@ -27,9 +27,6 @@
>
> #include <linux/uaccess.h>
>
> -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
> -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
> -
> /*
> * Each block ramdisk device has a radix_tree brd_pages of pages that stores
> * the pages containing the block device's contents. A brd page's ->index is
> diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
> index d734e9ee1546..f128242d1170 100644
> --- a/drivers/block/null_blk/main.c
> +++ b/drivers/block/null_blk/main.c
> @@ -11,10 +11,6 @@
> #include <linux/init.h>
> #include "null_blk.h"
>
> -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
> -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
> -#define SECTOR_MASK (PAGE_SECTORS - 1)
> -
> #define FREE_BATCH 16
>
> #define TICKS_PER_SEC 50ULL
> diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
> index bca4a7c97da7..b64460a76267 100644
> --- a/drivers/md/bcache/util.h
> +++ b/drivers/md/bcache/util.h
> @@ -15,8 +15,6 @@
>
> #include "closure.h"
>
> -#define PAGE_SECTORS (PAGE_SIZE / 512)
> -
> struct closure;
>
> #ifdef CONFIG_BCACHE_DEBUG
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 3177181c4326..0d0b6967c954 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -941,6 +941,10 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
> #define SECTOR_SIZE (1 << SECTOR_SHIFT)
> #endif
>
> +#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
> +#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
> +#define SECTOR_MASK (PAGE_SECTORS - 1)
> +
> /*
> * blk_rq_pos() : the current sector
> * blk_rq_bytes() : bytes left in the entire request
> diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
> index 7457d49acf9a..94f2cd6a8e83 100644
> --- a/include/linux/device-mapper.h
> +++ b/include/linux/device-mapper.h
> @@ -151,7 +151,6 @@ typedef size_t (*dm_dax_copy_iter_fn)(struct dm_target *ti, pgoff_t pgoff,
> void *addr, size_t bytes, struct iov_iter *i);
> typedef int (*dm_dax_zero_page_range_fn)(struct dm_target *ti, pgoff_t pgoff,
> size_t nr_pages);
> -#define PAGE_SECTORS (PAGE_SIZE / 512)
>
> void dm_error(const char *message);
>
--
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next prev parent reply other threads:[~2021-08-12 0:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 2:53 [dm-devel] [PATCH] block: move some macros to blkdev.h Guoqing Jiang
2021-08-12 0:43 ` Guoqing Jiang [this message]
2021-08-12 1:40 ` Jens Axboe
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