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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 /drivers/md/md.h
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>
Diffstat (limited to 'drivers/md/md.h')
-rw-r--r--drivers/md/md.h5
1 files changed, 5 insertions, 0 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 */