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Diffstat (limited to 'include/scsi/osd_ore.h')
-rw-r--r--include/scsi/osd_ore.h21
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);