diff options
Diffstat (limited to 'fs/btrfs/space-info.h')
| -rw-r--r-- | fs/btrfs/space-info.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h index efbecc0c5258..92b7f5e2b850 100644 --- a/fs/btrfs/space-info.h +++ b/fs/btrfs/space-info.h @@ -79,6 +79,10 @@ enum btrfs_reserve_flush_enum { BTRFS_RESERVE_FLUSH_EMERGENCY, }; +/* + * Please be aware that the order of enum values will be the order of the reclaim + * process in btrfs_async_reclaim_metadata_space(). + */ enum btrfs_flush_state { FLUSH_DELAYED_ITEMS_NR = 1, FLUSH_DELAYED_ITEMS = 2, @@ -91,10 +95,21 @@ enum btrfs_flush_state { ALLOC_CHUNK_FORCE = 9, RUN_DELAYED_IPUTS = 10, COMMIT_TRANS = 11, + RESET_ZONES = 12, +}; + +enum btrfs_space_info_sub_group { + BTRFS_SUB_GROUP_PRIMARY, + BTRFS_SUB_GROUP_DATA_RELOC, + BTRFS_SUB_GROUP_TREELOG, }; +#define BTRFS_SPACE_INFO_SUB_GROUP_MAX 1 struct btrfs_space_info { struct btrfs_fs_info *fs_info; + struct btrfs_space_info *parent; + struct btrfs_space_info *sub_group[BTRFS_SPACE_INFO_SUB_GROUP_MAX]; + int subgroup_id; spinlock_t lock; u64 total_bytes; /* total bytes in the space, @@ -229,10 +244,10 @@ static inline bool btrfs_mixed_space_info(const struct btrfs_space_info *space_i */ #define DECLARE_SPACE_INFO_UPDATE(name, trace_name) \ static inline void \ -btrfs_space_info_update_##name(struct btrfs_fs_info *fs_info, \ - struct btrfs_space_info *sinfo, \ +btrfs_space_info_update_##name(struct btrfs_space_info *sinfo, \ s64 bytes) \ { \ + struct btrfs_fs_info *fs_info = sinfo->fs_info; \ const u64 abs_bytes = (bytes < 0) ? -bytes : bytes; \ lockdep_assert_held(&sinfo->lock); \ trace_update_##name(fs_info, sinfo, sinfo->name, bytes); \ @@ -275,16 +290,15 @@ int btrfs_can_overcommit(struct btrfs_fs_info *fs_info, enum btrfs_reserve_flush_enum flush); static inline void btrfs_space_info_free_bytes_may_use( - struct btrfs_fs_info *fs_info, struct btrfs_space_info *space_info, u64 num_bytes) { spin_lock(&space_info->lock); - btrfs_space_info_update_bytes_may_use(fs_info, space_info, -num_bytes); - btrfs_try_granting_tickets(fs_info, space_info); + btrfs_space_info_update_bytes_may_use(space_info, -num_bytes); + btrfs_try_granting_tickets(space_info->fs_info, space_info); spin_unlock(&space_info->lock); } -int btrfs_reserve_data_bytes(struct btrfs_fs_info *fs_info, u64 bytes, +int btrfs_reserve_data_bytes(struct btrfs_space_info *space_info, u64 bytes, enum btrfs_reserve_flush_enum flush); void btrfs_dump_space_info_for_trans_abort(struct btrfs_fs_info *fs_info); void btrfs_init_async_reclaim_work(struct btrfs_fs_info *fs_info); @@ -295,5 +309,6 @@ void btrfs_set_periodic_reclaim_ready(struct btrfs_space_info *space_info, bool bool btrfs_should_periodic_reclaim(struct btrfs_space_info *space_info); int btrfs_calc_reclaim_threshold(const struct btrfs_space_info *space_info); void btrfs_reclaim_sweep(const struct btrfs_fs_info *fs_info); +void btrfs_return_free_space(struct btrfs_space_info *space_info, u64 len); #endif /* BTRFS_SPACE_INFO_H */ |