diff options
Diffstat (limited to 'drivers/md/dm-linear.c')
| -rw-r--r-- | drivers/md/dm-linear.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index a53de71bc30c..e6fd31b03c38 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -26,7 +26,7 @@ struct linear_c { /* * Construct a linear mapping: <dev_path> <offset> */ -static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) +int dm_linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) { struct linear_c *lc; unsigned long long tmp; @@ -69,7 +69,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) return ret; } -static void linear_dtr(struct dm_target *ti) +void dm_linear_dtr(struct dm_target *ti) { struct linear_c *lc = (struct linear_c *) ti->private; @@ -94,15 +94,14 @@ static void linear_map_bio(struct dm_target *ti, struct bio *bio) linear_map_sector(ti, bio->bi_iter.bi_sector); } -static int linear_map(struct dm_target *ti, struct bio *bio) +int dm_linear_map(struct dm_target *ti, struct bio *bio) { linear_map_bio(ti, bio); return DM_MAPIO_REMAPPED; } -#ifdef CONFIG_BLK_DEV_ZONED -static int linear_end_io(struct dm_target *ti, struct bio *bio, +int dm_linear_end_io(struct dm_target *ti, struct bio *bio, blk_status_t *error) { struct linear_c *lc = ti->private; @@ -112,9 +111,9 @@ static int linear_end_io(struct dm_target *ti, struct bio *bio, return DM_ENDIO_DONE; } -#endif +EXPORT_SYMBOL_GPL(dm_linear_end_io); -static void linear_status(struct dm_target *ti, status_type_t type, +void dm_linear_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) { struct linear_c *lc = (struct linear_c *) ti->private; @@ -131,7 +130,7 @@ static void linear_status(struct dm_target *ti, status_type_t type, } } -static int linear_prepare_ioctl(struct dm_target *ti, +int dm_linear_prepare_ioctl(struct dm_target *ti, struct block_device **bdev, fmode_t *mode) { struct linear_c *lc = (struct linear_c *) ti->private; @@ -148,7 +147,7 @@ static int linear_prepare_ioctl(struct dm_target *ti, return 0; } -static int linear_iterate_devices(struct dm_target *ti, +int dm_linear_iterate_devices(struct dm_target *ti, iterate_devices_callout_fn fn, void *data) { struct linear_c *lc = ti->private; @@ -156,7 +155,7 @@ static int linear_iterate_devices(struct dm_target *ti, return fn(ti, lc->dev, lc->start, ti->len, data); } -static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, +long dm_linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn) { long ret; @@ -171,8 +170,9 @@ static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff, return ret; return dax_direct_access(dax_dev, pgoff, nr_pages, kaddr, pfn); } +EXPORT_SYMBOL_GPL(dm_linear_dax_direct_access); -static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, +size_t dm_linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) { struct linear_c *lc = ti->private; @@ -185,25 +185,22 @@ static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff, return 0; return dax_copy_from_iter(dax_dev, pgoff, addr, bytes, i); } +EXPORT_SYMBOL_GPL(dm_linear_dax_copy_from_iter); static struct target_type linear_target = { .name = "linear", .version = {1, 4, 0}, -#ifdef CONFIG_BLK_DEV_ZONED - .end_io = linear_end_io, .features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_ZONED_HM, -#else - .features = DM_TARGET_PASSES_INTEGRITY, -#endif .module = THIS_MODULE, - .ctr = linear_ctr, - .dtr = linear_dtr, - .map = linear_map, - .status = linear_status, - .prepare_ioctl = linear_prepare_ioctl, - .iterate_devices = linear_iterate_devices, - .direct_access = linear_dax_direct_access, - .dax_copy_from_iter = linear_dax_copy_from_iter, + .ctr = dm_linear_ctr, + .dtr = dm_linear_dtr, + .map = dm_linear_map, + .status = dm_linear_status, + .end_io = dm_linear_end_io, + .prepare_ioctl = dm_linear_prepare_ioctl, + .iterate_devices = dm_linear_iterate_devices, + .direct_access = dm_linear_dax_direct_access, + .dax_copy_from_iter = dm_linear_dax_copy_from_iter, }; int __init dm_linear_init(void) |