[PATCH v2 03/13] md: move two macros into md.h
From: Ming Lei <tom.leiming@gmail.com>
Date: 2017-02-28 15:42:20
Also in:
linux-block
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
Both raid1 and raid10 share common resync block size and page count, so move them into md.h. Signed-off-by: Ming Lei <tom.leiming@gmail.com> --- drivers/md/md.h | 5 +++++ drivers/md/raid1.c | 2 -- drivers/md/raid10.c | 3 --- 3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index b8859cbf84b6..1d63239a1be4 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h@@ -715,4 +715,9 @@ static inline void mddev_check_writesame(struct mddev *mddev, struct bio *bio) !bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors) mddev->queue->limits.max_write_same_sectors = 0; } + +/* Maximum size of each resync request */ +#define RESYNC_BLOCK_SIZE (64*1024) +#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) + #endif /* _MD_MD_H */
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index b3021355c7e2..25c9172db639 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c@@ -91,10 +91,8 @@ static void r1bio_pool_free(void *r1_bio, void *data) kfree(r1_bio); } -#define RESYNC_BLOCK_SIZE (64*1024) #define RESYNC_DEPTH 32 #define RESYNC_SECTORS (RESYNC_BLOCK_SIZE >> 9) -#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) #define RESYNC_WINDOW (RESYNC_BLOCK_SIZE * RESYNC_DEPTH) #define RESYNC_WINDOW_SECTORS (RESYNC_WINDOW >> 9) #define CLUSTER_RESYNC_WINDOW (16 * RESYNC_WINDOW)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ceb3acc793cf..c5f1a117494b 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c@@ -125,9 +125,6 @@ static void r10bio_pool_free(void *r10_bio, void *data) kfree(r10_bio); } -/* Maximum size of each resync request */ -#define RESYNC_BLOCK_SIZE (64*1024) -#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) /* amount of memory to reserve for resync requests */ #define RESYNC_WINDOW (1024*1024) /* maximum number of concurrent requests, memory permitting */
--
2.7.4