diff options
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index e151d4c9298d..653073de09e3 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -10,6 +10,7 @@ #include <linux/bio.h> #include <linux/blkdev.h> +#include <linux/math64.h> #include <linux/ratelimit.h> struct dm_dev; @@ -550,6 +551,14 @@ extern struct ratelimit_state dm_ratelimit_state; #define DM_MAPIO_REMAPPED 1 #define DM_MAPIO_REQUEUE DM_ENDIO_REQUEUE +#define dm_sector_div64(x, y)( \ +{ \ + u64 _res; \ + (x) = div64_u64_rem(x, y, &_res); \ + _res; \ +} \ +) + /* * Ceiling(n / sz) */ |