diff options
Diffstat (limited to 'fs/btrfs/space-info.c')
| -rw-r--r-- | fs/btrfs/space-info.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 2cf8da1116eb..62d25112310d 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -187,6 +187,37 @@ void btrfs_clear_space_info_full(struct btrfs_fs_info *info) */ #define BTRFS_DEFAULT_ZONED_RECLAIM_THRESH (75) +/* + * Calculate chunk size depending on volume type (regular or zoned). + */ +static u64 calc_chunk_size(const struct btrfs_fs_info *fs_info, u64 flags) +{ + if (btrfs_is_zoned(fs_info)) + return fs_info->zone_size; + + ASSERT(flags & BTRFS_BLOCK_GROUP_TYPE_MASK); + + if (flags & BTRFS_BLOCK_GROUP_DATA) + return SZ_1G; + else if (flags & BTRFS_BLOCK_GROUP_SYSTEM) + return SZ_32M; + + /* Handle BTRFS_BLOCK_GROUP_METADATA */ + if (fs_info->fs_devices->total_rw_bytes > 50ULL * SZ_1G) + return SZ_1G; + + return SZ_256M; +} + +/* + * Update default chunk size. + */ +void btrfs_update_space_info_chunk_size(struct btrfs_space_info *space_info, + u64 chunk_size) +{ + WRITE_ONCE(space_info->chunk_size, chunk_size); +} + static int create_space_info(struct btrfs_fs_info *info, u64 flags) { @@ -208,6 +239,7 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags) INIT_LIST_HEAD(&space_info->tickets); INIT_LIST_HEAD(&space_info->priority_tickets); space_info->clamp = 1; + btrfs_update_space_info_chunk_size(space_info, calc_chunk_size(info, flags)); if (btrfs_is_zoned(info)) space_info->bg_reclaim_threshold = BTRFS_DEFAULT_ZONED_RECLAIM_THRESH; |