diff options
Diffstat (limited to 'fs/exofs/ore_raid.h')
-rw-r--r-- | fs/exofs/ore_raid.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/exofs/ore_raid.h b/fs/exofs/ore_raid.h index c21080b..2ffd2c3 100644 --- a/fs/exofs/ore_raid.h +++ b/fs/exofs/ore_raid.h @@ -57,8 +57,23 @@ void _ore_add_sg_seg(struct ore_per_dev_state *per_dev, unsigned cur_len, bool not_last); int _ore_add_parity_unit(struct ore_io_state *ios, struct ore_striping_info *si, struct ore_per_dev_state *per_dev, unsigned cur_len); +void _ore_add_stripe_page(struct __stripe_pages_2d *sp2d, + struct ore_striping_info *si, struct page *page); +static inline void _add_stripe_page(struct __stripe_pages_2d *sp2d, + struct ore_striping_info *si, struct page *page) +{ + if (!sp2d) /* Inline the fast path */ + return; /* Hay no raid stuff */ + _ore_add_stripe_page(sp2d, si, page); +} /* ios.c stuff needed by ios_raid.c */ +int _ore_get_io_state(struct ore_layout *layout, + struct ore_components *oc, unsigned numdevs, + unsigned sgs_per_dev, unsigned num_par_pages, + struct ore_io_state **pios); int _ore_add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg, unsigned pgbase, struct page **pages, struct ore_per_dev_state *per_dev, int cur_len); +int _ore_read_mirror(struct ore_io_state *ios, unsigned cur_comp); +int ore_io_execute(struct ore_io_state *ios); |