dm: support non power of two target max_io_len

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / md / dm-raid.c

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 017c34d..858a8b7 100644 (file)
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -353,6 +353,7 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
 {
        unsigned i, rebuild_cnt = 0;
        unsigned long value, region_size = 0;
+       sector_t max_io_len;
        char *key;
 
        /*
@@ -522,14 +523,12 @@ static int parse_raid_params(struct raid_set *rs, char **argv,
                return -EINVAL;
 
        if (rs->md.chunk_sectors)
-               rs->ti->split_io = rs->md.chunk_sectors;
+               max_io_len = rs->md.chunk_sectors;
        else
-               rs->ti->split_io = region_size;
+               max_io_len = region_size;
 
-       if (rs->md.chunk_sectors)
-               rs->ti->split_io = rs->md.chunk_sectors;
-       else
-               rs->ti->split_io = region_size;
+       if (dm_set_target_max_io_len(rs->ti, max_io_len))
+               return -EINVAL;
 
        /* Assume there are no metadata devices until the drives are parsed */
        rs->md.persistent = 0;