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authorMing Lei <tom.leiming@gmail.com>2017-03-17 00:12:23 +0800
committerShaohua Li <shli@fb.com>2017-03-24 10:41:36 -0700
commitd8e29fbc3bed181f2653fb89ac8c34e40db39c30 (patch)
tree99e57ef739035372a6dbbcbe06c55e3aec63cfd1
parentc85ba149de4bd14aa028ac824f9f12aeded28b86 (diff)
downloadlinux-d8e29fbc3bed181f2653fb89ac8c34e40db39c30.tar.bz2
md: move two macros into md.h
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> Signed-off-by: Shaohua Li <shli@fb.com>
-rw-r--r--drivers/md/md.h5
-rw-r--r--drivers/md/raid1.c2
-rw-r--r--drivers/md/raid10.c3
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 7a7847d1cc39..31d2d70849b6 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -718,4 +718,9 @@ 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 569f501fb710..c31f9e206148 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -95,10 +95,8 @@ 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 6c9783ba85db..301e73fe2d2f 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 */