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path: root/drivers/md/dm-unstripe.c
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Diffstat (limited to 'drivers/md/dm-unstripe.c')
-rw-r--r--drivers/md/dm-unstripe.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/md/dm-unstripe.c b/drivers/md/dm-unstripe.c
index fdc8921e5c19..e8a9432057dc 100644
--- a/drivers/md/dm-unstripe.c
+++ b/drivers/md/dm-unstripe.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2017 Intel Corporation.
*
@@ -84,8 +85,8 @@ static int unstripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
uc->physical_start = start;
- uc->unstripe_offset = uc->unstripe * uc->chunk_size;
- uc->unstripe_width = (uc->stripes - 1) * uc->chunk_size;
+ uc->unstripe_offset = (sector_t)uc->unstripe * uc->chunk_size;
+ uc->unstripe_width = (sector_t)(uc->stripes - 1) * uc->chunk_size;
uc->chunk_shift = is_power_of_2(uc->chunk_size) ? fls(uc->chunk_size) - 1 : 0;
tmp_len = ti->len;
@@ -191,19 +192,7 @@ static struct target_type unstripe_target = {
.iterate_devices = unstripe_iterate_devices,
.io_hints = unstripe_io_hints,
};
-
-static int __init dm_unstripe_init(void)
-{
- return dm_register_target(&unstripe_target);
-}
-
-static void __exit dm_unstripe_exit(void)
-{
- dm_unregister_target(&unstripe_target);
-}
-
-module_init(dm_unstripe_init);
-module_exit(dm_unstripe_exit);
+module_dm(unstripe);
MODULE_DESCRIPTION(DM_NAME " unstriped target");
MODULE_ALIAS("dm-unstriped");