num_bytes is really a way too generic name for a variable in this
function. There are a dozen other variables that hold a number of bytes
as value.
Give it a name that actually describes what it does, which is holding
the size of the chunk that we're allocating.
Signed-off-by: Hans van Kranenburg <hans.van.kranenburg@xxxxxxxxxx>
---
fs/btrfs/volumes.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9c9bb127eeee..40fa85e68b1f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -123,6 +123,8 @@ const char *get_raid_name(enum btrfs_raid_types type)
return btrfs_raid_array[type].raid_name;
}
+
+
static int init_first_rw_device(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
static int btrfs_relocate_sys_chunks(struct btrfs_fs_info *fs_info);
@@ -4599,7 +4601,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
u64 max_stripe_size;
u64 max_chunk_size;
u64 stripe_size;
- u64 num_bytes;
+ u64 chunk_size;
int ndevs;
int i;
int j;
@@ -4801,9 +4803,9 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
map->type = type;
map->sub_stripes = sub_stripes;
- num_bytes = stripe_size * data_stripes;
+ chunk_size = stripe_size * data_stripes;
- trace_btrfs_chunk_alloc(info, map, start, num_bytes);
+ trace_btrfs_chunk_alloc(info, map, start, chunk_size);
em = alloc_extent_map();
if (!em) {
@@ -4814,7 +4816,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
set_bit(EXTENT_FLAG_FS_MAPPING, &em->flags);
em->map_lookup = map;
em->start = start;
- em->len = num_bytes;
+ em->len = chunk_size;
em->block_start = 0;
em->block_len = em->len;
em->orig_block_len = stripe_size;
@@ -4832,7 +4834,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
refcount_inc(&em->refs);
write_unlock(&em_tree->lock);
- ret = btrfs_make_block_group(trans, 0, type, start, num_bytes);
+ ret = btrfs_make_block_group(trans, 0, type, start, chunk_size);
if (ret)
goto error_del_extent;
--
2.19.0.329.g76f2f5c1e3