md: raid0: chunk_sectors cleanups.
following the conversion to chunk_sectors, there is room
for cleaning up a little.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index f20b18f..11e3842 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -273,7 +273,7 @@
unsigned int chunk_sectors = mddev->chunk_sectors;
unsigned int bio_sectors = bvm->bi_size >> 9;
- if (is_power_of_2(mddev->chunk_sectors))
+ if (is_power_of_2(chunk_sectors))
max = (chunk_sectors - ((sector & (chunk_sectors-1))
+ bio_sectors)) << 9;
else
@@ -384,7 +384,7 @@
raid0_conf_t *conf = mddev->private;
unsigned int chunk_sects = mddev->chunk_sectors;
- if (is_power_of_2(mddev->chunk_sectors)) {
+ if (is_power_of_2(chunk_sects)) {
int chunksect_bits = ffz(~chunk_sects);
/* find the sector offset inside the chunk */
sect_in_chunk = sector & (chunk_sects - 1);
@@ -414,7 +414,7 @@
static inline int is_io_in_chunk_boundary(mddev_t *mddev,
unsigned int chunk_sects, struct bio *bio)
{
- if (likely(is_power_of_2(mddev->chunk_sectors))) {
+ if (likely(is_power_of_2(chunk_sects))) {
return chunk_sects >= ((bio->bi_sector & (chunk_sects-1))
+ (bio->bi_size >> 9));
} else{
@@ -456,7 +456,7 @@
/* This is a one page bio that upper layers
* refuse to split for us, so we need to split it.
*/
- if (likely(is_power_of_2(mddev->chunk_sectors)))
+ if (likely(is_power_of_2(chunk_sects)))
bp = bio_split(bio, chunk_sects - (sector &
(chunk_sects-1)));
else