diff options
| author |   Naohiro Aota <naohiro.aota@wdc.com> | 2021-08-19 21:19:10 +0900 |
|---|---|---|
| committer |   David Sterba <dsterba@suse.com> | 2021-10-26 19:07:58 +0200 |
| commit | 98173255bddd24cb7d50b5da936f8dff76f5a732 (patch) | |
| tree | 43219dba06bb13edcbfbb9aa3904760ebefbeb04 /fs/btrfs/zoned.c | |
| parent | btrfs: zoned: move btrfs_free_excluded_extents out of btrfs_calc_zone_unusable (diff) | |
| download | linux-dev-98173255bddd24cb7d50b5da936f8dff76f5a732.tar.xz linux-dev-98173255bddd24cb7d50b5da936f8dff76f5a732.zip | |
btrfs: zoned: calculate free space from zone capacity
Now that we introduced capacity in a block group, we need to calculate free
space using the capacity instead of the length. Thus, bytes we account
capacity - alloc_pointer as free, and account bytes [capacity, length] as
zone unusable.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zoned.c')
| -rw-r--r-- | fs/btrfs/zoned.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index dd545af225e8..a92d6e52321d 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1265,8 +1265,9 @@ void btrfs_calc_zone_unusable(struct btrfs_block_group *cache) return; WARN_ON(cache->bytes_super != 0); - unusable = cache->alloc_offset - cache->used; - free = cache->length - cache->alloc_offset; + unusable = (cache->alloc_offset - cache->used) + + (cache->length - cache->zone_capacity); + free = cache->zone_capacity - cache->alloc_offset; /* We only need ->free_space in ALLOC_SEQ block groups */ cache->last_byte_to_unpin = (u64)-1; |