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Commit 611d7a5d authored by Boaz Harrosh's avatar Boaz Harrosh
Browse files

ore: Make ore_calc_stripe_info EXPORT_SYMBOL 



ore_calc_stripe_info is needed by exofs::export.c
for the layout calculations. Make it exportable

Signed-off-by: default avatarBoaz Harrosh <bharrosh@panasas.com>
parent 4b46c9f5

fs/exofs/ore.c

+3 −5
Original line number Diff line number Diff line
@@ -57,9 +57,6 @@ MODULE_LICENSE("GPL"); 
 * 3. Cache some havily used calculations that will be needed by users.

 */



static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset,

				 struct ore_striping_info *si);



enum { BIO_MAX_PAGES_KMALLOC =

		(PAGE_SIZE - sizeof(struct bio)) / sizeof(struct bio_vec),};
@@ -409,7 +406,7 @@ EXPORT_SYMBOL(ore_check_io); 
 *

 *	O = L % stripe_unit + N * stripe_unit + M * group_depth * stripe_unit

 */

static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset,

void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset,

			  struct ore_striping_info *si)

{

	u32	stripe_unit = layout->stripe_unit;
@@ -443,6 +440,7 @@ static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, 
	si->group_length = T - H;

	si->M = M;

}

EXPORT_SYMBOL(ore_calc_stripe_info);



static int _add_stripe_unit(struct ore_io_state *ios,  unsigned *cur_pg,

		unsigned pgbase, struct ore_per_dev_state *per_dev,

include/scsi/osd_ore.h

+3 −0
Original line number Diff line number Diff line
@@ -146,6 +146,9 @@ 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);



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);