[PATCH v2 01/10] block: move PAGE_SECTORS definition into <linux/blkdev.h>
From: Zhen Lei <hidden>
Date: 2020-05-07 07:55:57
Also in:
dm-devel, linux-block, linux-mm, lkml
Subsystem:
bcache (block layer cache), block layer, device-mapper (lvm), ramdisk ram block device driver, the rest · Maintainers:
Coly Li, Kent Overstreet, Jens Axboe, Alasdair Kergon, Mike Snitzer, Mikulas Patocka, Benjamin Marzinski, Linus Torvalds
Too many duplicated PAGE_SECTORS definitions, eliminate it. Signed-off-by: Zhen Lei <redacted> --- drivers/block/brd.c | 1 - drivers/block/null_blk_main.c | 1 - drivers/md/bcache/util.h | 2 -- include/linux/blkdev.h | 5 +++-- include/linux/device-mapper.h | 1 - 5 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 2fb25c348d53..30df6daa9dbc 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c@@ -26,7 +26,6 @@ #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
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 8efd8778e209..25048ff15858 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c@@ -12,7 +12,6 @@ #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
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index c029f7443190..55196e0f37c3 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 32868fbedc9e..934f31fc15cd 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h@@ -904,11 +904,12 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) * multiple of 512 bytes. Hence these two constants. */ #ifndef SECTOR_SHIFT -#define SECTOR_SHIFT 9 +#define SECTOR_SHIFT 9 #endif #ifndef SECTOR_SIZE -#define SECTOR_SIZE (1 << SECTOR_SHIFT) +#define SECTOR_SIZE (1 << SECTOR_SHIFT) #endif +#define PAGE_SECTORS (PAGE_SIZE / SECTOR_SIZE) /* * blk_rq_pos() : the current sector
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index af48d9da3916..83e018ed8c21 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h@@ -143,7 +143,6 @@ 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);
--
2.26.0.106.g9fadedd