diff options
Diffstat (limited to 'fs/exofs/ore_raid.h')
-rw-r--r-- | fs/exofs/ore_raid.h | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/fs/exofs/ore_raid.h b/fs/exofs/ore_raid.h index 2ffd2c3c6e46..d365bda6beef 100644 --- a/fs/exofs/ore_raid.h +++ b/fs/exofs/ore_raid.h @@ -31,24 +31,6 @@ #define ORE_DBGMSG2(M...) do {} while (0) /* #define ORE_DBGMSG2 ORE_DBGMSG */ -/* Calculate the component order in a stripe. eg the logical data unit - * address within the stripe of @dev given the @par_dev of this stripe. - */ -static inline unsigned _dev_order(unsigned devs_in_group, unsigned mirrors_p1, - unsigned par_dev, unsigned dev) -{ - unsigned first_dev = dev - dev % devs_in_group; - - dev -= first_dev; - par_dev -= first_dev; - - if (devs_in_group == par_dev) /* The raid 0 case */ - return dev / mirrors_p1; - /* raid4/5/6 case */ - return ((devs_in_group + dev - par_dev - mirrors_p1) % devs_in_group) / - mirrors_p1; -} - /* ios_raid.c stuff needed by ios.c */ int _ore_post_alloc_raid_stuff(struct ore_io_state *ios); void _ore_free_raid_stuff(struct ore_io_state *ios); |