diff options
author | Boaz Harrosh <bharrosh@panasas.com> | 2011-10-04 08:20:17 -0400 |
---|---|---|
committer | Boaz Harrosh <bharrosh@panasas.com> | 2011-10-24 19:30:08 -0400 |
commit | 611d7a5dc6f2a1a0cfd8cc07b9d15f794cbe5f98 (patch) | |
tree | 14227c7f62331a977e1979d1011b1bc85b6e102e | |
parent | 4b46c9f5cf69505f0bc708995b88b0cc60317ffd (diff) |
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: Boaz Harrosh <bharrosh@panasas.com>
-rw-r--r-- | fs/exofs/ore.c | 8 | ||||
-rw-r--r-- | include/scsi/osd_ore.h | 3 |
2 files changed, 6 insertions, 5 deletions
diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c index 3b1cc3a132d7..d92998d5c2d6 100644 --- a/fs/exofs/ore.c +++ b/fs/exofs/ore.c | |||
@@ -57,9 +57,6 @@ MODULE_LICENSE("GPL"); | |||
57 | * 3. Cache some havily used calculations that will be needed by users. | 57 | * 3. Cache some havily used calculations that will be needed by users. |
58 | */ | 58 | */ |
59 | 59 | ||
60 | static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, | ||
61 | struct ore_striping_info *si); | ||
62 | |||
63 | enum { BIO_MAX_PAGES_KMALLOC = | 60 | enum { BIO_MAX_PAGES_KMALLOC = |
64 | (PAGE_SIZE - sizeof(struct bio)) / sizeof(struct bio_vec),}; | 61 | (PAGE_SIZE - sizeof(struct bio)) / sizeof(struct bio_vec),}; |
65 | 62 | ||
@@ -409,8 +406,8 @@ EXPORT_SYMBOL(ore_check_io); | |||
409 | * | 406 | * |
410 | * O = L % stripe_unit + N * stripe_unit + M * group_depth * stripe_unit | 407 | * O = L % stripe_unit + N * stripe_unit + M * group_depth * stripe_unit |
411 | */ | 408 | */ |
412 | static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, | 409 | void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, |
413 | struct ore_striping_info *si) | 410 | struct ore_striping_info *si) |
414 | { | 411 | { |
415 | u32 stripe_unit = layout->stripe_unit; | 412 | u32 stripe_unit = layout->stripe_unit; |
416 | u32 group_width = layout->group_width; | 413 | u32 group_width = layout->group_width; |
@@ -443,6 +440,7 @@ static void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, | |||
443 | si->group_length = T - H; | 440 | si->group_length = T - H; |
444 | si->M = M; | 441 | si->M = M; |
445 | } | 442 | } |
443 | EXPORT_SYMBOL(ore_calc_stripe_info); | ||
446 | 444 | ||
447 | static int _add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg, | 445 | static int _add_stripe_unit(struct ore_io_state *ios, unsigned *cur_pg, |
448 | unsigned pgbase, struct ore_per_dev_state *per_dev, | 446 | unsigned pgbase, struct ore_per_dev_state *per_dev, |
diff --git a/include/scsi/osd_ore.h b/include/scsi/osd_ore.h index af2231a0fd09..a8e39d14f82b 100644 --- a/include/scsi/osd_ore.h +++ b/include/scsi/osd_ore.h | |||
@@ -146,6 +146,9 @@ static inline unsigned ore_io_state_size(unsigned numdevs) | |||
146 | 146 | ||
147 | /* ore.c */ | 147 | /* ore.c */ |
148 | int ore_verify_layout(unsigned total_comps, struct ore_layout *layout); | 148 | int ore_verify_layout(unsigned total_comps, struct ore_layout *layout); |
149 | void ore_calc_stripe_info(struct ore_layout *layout, u64 file_offset, | ||
150 | struct ore_striping_info *si); | ||
151 | |||
149 | int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps, | 152 | int ore_get_rw_state(struct ore_layout *layout, struct ore_components *comps, |
150 | bool is_reading, u64 offset, u64 length, | 153 | bool is_reading, u64 offset, u64 length, |
151 | struct ore_io_state **ios); | 154 | struct ore_io_state **ios); |