diff options
Diffstat (limited to 'include/scsi/osd_ore.h')
| -rw-r--r-- | include/scsi/osd_ore.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/scsi/osd_ore.h b/include/scsi/osd_ore.h index a8e39d14f82b..43821c18cd3f 100644 --- a/include/scsi/osd_ore.h +++ b/include/scsi/osd_ore.h @@ -40,6 +40,7 @@ struct ore_layout { unsigned mirrors_p1; unsigned group_width; + unsigned parity; u64 group_depth; unsigned group_count; @@ -89,11 +90,16 @@ static inline void ore_comp_set_dev( } struct ore_striping_info { + u64 offset; u64 obj_offset; - u64 group_length; + u64 length; + u64 first_stripe_start; /* only used in raid writes */ u64 M; /* for truncate */ + unsigned bytes_in_stripe; unsigned dev; + unsigned par_dev; unsigned unit_off; + unsigned cur_comp; }; struct ore_io_state; @@ -127,6 +133,13 @@ struct ore_io_state { bool reading; + /* House keeping of Parity pages */ + bool extra_part_alloc; + struct page **parity_pages; + unsigned max_par_pages; + unsigned cur_par_page; + unsigned sgs_per_dev; + /* Variable array of size numdevs */ unsigned numdevs; struct ore_per_dev_state { @@ -134,7 +147,10 @@ struct ore_io_state { struct bio *bio; loff_t offset; unsigned length; + unsigned last_sgs_total; unsigned dev; + struct osd_sg_entry *sglist; + unsigned cur_sg; } per_dev[]; }; @@ -147,8 +163,7 @@ static inline unsigned ore_io_state_size(unsigned numdevs) /* ore.c */ int ore_verify_layout(unsigned total_comps, struct ore_layout *layout); void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, - struct ore_striping_info *si); - + u64 length, struct ore_striping_info *si); int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps, bool is_reading, u64 offset, u64 length, struct ore_io_state **ios); |