summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/volumes.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e60beb14852a..72a838c97534 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -5125,7 +5125,7 @@ static void init_alloc_chunk_ctl_policy_regular(
/* We don't want a chunk larger than 10% of writable space */
ctl->max_chunk_size = min(mult_perc(fs_devices->total_rw_bytes, 10),
ctl->max_chunk_size);
- ctl->dev_extent_min = ctl->dev_stripes << BTRFS_STRIPE_LEN_SHIFT;
+ ctl->dev_extent_min = btrfs_stripe_nr_to_offset(ctl->dev_stripes);
}
static void init_alloc_chunk_ctl_policy_zoned(
@@ -5801,7 +5801,7 @@ unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,
if (!WARN_ON(IS_ERR(em))) {
map = em->map_lookup;
if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)
- len = nr_data_stripes(map) << BTRFS_STRIPE_LEN_SHIFT;
+ len = btrfs_stripe_nr_to_offset(nr_data_stripes(map));
free_extent_map(em);
}
return len;
@@ -5975,12 +5975,12 @@ struct btrfs_discard_stripe *btrfs_map_discard(struct btrfs_fs_info *fs_info,
stripe_nr = offset >> BTRFS_STRIPE_LEN_SHIFT;
/* stripe_offset is the offset of this block in its stripe */
- stripe_offset = offset - ((u64)stripe_nr << BTRFS_STRIPE_LEN_SHIFT);
+ stripe_offset = offset - btrfs_stripe_nr_to_offset(stripe_nr);
stripe_nr_end = round_up(offset + length, BTRFS_STRIPE_LEN) >>
BTRFS_STRIPE_LEN_SHIFT;
stripe_cnt = stripe_nr_end - stripe_nr;
- stripe_end_offset = ((u64)stripe_nr_end << BTRFS_STRIPE_LEN_SHIFT) -
+ stripe_end_offset = btrfs_stripe_nr_to_offset(stripe_nr_end) -
(offset + length);
/*
* after this, stripe_nr is the number of stripes on this
@@ -6023,12 +6023,12 @@ struct btrfs_discard_stripe *btrfs_map_discard(struct btrfs_fs_info *fs_info,
for (i = 0; i < *num_stripes; i++) {
stripes[i].physical =
map->stripes[stripe_index].physical +
- stripe_offset + ((u64)stripe_nr << BTRFS_STRIPE_LEN_SHIFT);
+ stripe_offset + btrfs_stripe_nr_to_offset(stripe_nr);
stripes[i].dev = map->stripes[stripe_index].dev;
if (map->type & (BTRFS_BLOCK_GROUP_RAID0 |
BTRFS_BLOCK_GROUP_RAID10)) {
- stripes[i].length = stripes_per_dev << BTRFS_STRIPE_LEN_SHIFT;
+ stripes[i].length = btrfs_stripe_nr_to_offset(stripes_per_dev);
if (i / sub_stripes < remaining_stripes)
stripes[i].length += BTRFS_STRIPE_LEN;
@@ -6183,8 +6183,8 @@ static u64 btrfs_max_io_len(struct map_lookup *map, enum btrfs_map_op op,
ASSERT(*stripe_offset < U32_MAX);
if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {
- unsigned long full_stripe_len = nr_data_stripes(map) <<
- BTRFS_STRIPE_LEN_SHIFT;
+ unsigned long full_stripe_len =
+ btrfs_stripe_nr_to_offset(nr_data_stripes(map));
/*
* For full stripe start, we use previously calculated
@@ -6196,8 +6196,8 @@ static u64 btrfs_max_io_len(struct map_lookup *map, enum btrfs_map_op op,
* not ensured to be power of 2.
*/
*full_stripe_start =
- (u64)rounddown(*stripe_nr, nr_data_stripes(map)) <<
- BTRFS_STRIPE_LEN_SHIFT;
+ btrfs_stripe_nr_to_offset(
+ rounddown(*stripe_nr, nr_data_stripes(map)));
ASSERT(*full_stripe_start + full_stripe_len > offset);
ASSERT(*full_stripe_start <= offset);
@@ -6223,7 +6223,7 @@ static void set_io_stripe(struct btrfs_io_stripe *dst, const struct map_lookup *
{
dst->dev = map->stripes[stripe_index].dev;
dst->physical = map->stripes[stripe_index].physical +
- stripe_offset + ((u64)stripe_nr << BTRFS_STRIPE_LEN_SHIFT);
+ stripe_offset + btrfs_stripe_nr_to_offset(stripe_nr);
}
int __btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
@@ -6345,7 +6345,8 @@ int __btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
/* Return the length to the full stripe end */
*length = min(logical + *length,
raid56_full_stripe_start + em->start +
- (data_stripes << BTRFS_STRIPE_LEN_SHIFT)) - logical;
+ btrfs_stripe_nr_to_offset(data_stripes)) -
+ logical;
stripe_index = 0;
stripe_offset = 0;
} else {
@@ -6435,7 +6436,7 @@ int __btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
* modulo, to reduce one modulo call.
*/
bioc->full_stripe_logical = em->start +
- ((stripe_nr * data_stripes) << BTRFS_STRIPE_LEN_SHIFT);
+ btrfs_stripe_nr_to_offset(stripe_nr * data_stripes);
for (i = 0; i < num_stripes; i++)
set_io_stripe(&bioc->stripes[i], map,
(i + stripe_nr) % num_stripes,
@@ -8032,7 +8033,7 @@ static void map_raid56_repair_block(struct btrfs_io_context *bioc,
for (i = 0; i < data_stripes; i++) {
u64 stripe_start = bioc->full_stripe_logical +
- (i << BTRFS_STRIPE_LEN_SHIFT);
+ btrfs_stripe_nr_to_offset(i);
if (logical >= stripe_start &&
logical < stripe_start + BTRFS_STRIPE_LEN)