diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 46 |
1 files changed, 31 insertions, 15 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index b572d6b9730b..8cc07cc70b12 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -47,6 +47,18 @@ struct btrfs_subpage_info; struct btrfs_stripe_hash_table; struct btrfs_space_info; +/* + * Minimum data and metadata block size. + * + * Normally it's 4K, but for testing subpage block size on 4K page systems, we + * allow DEBUG builds to accept 2K page size. + */ +#ifdef CONFIG_BTRFS_DEBUG +#define BTRFS_MIN_BLOCKSIZE (SZ_2K) +#else +#define BTRFS_MIN_BLOCKSIZE (SZ_4K) +#endif + #define BTRFS_MAX_EXTENT_SIZE SZ_128M #define BTRFS_OLDEST_GENERATION 0ULL @@ -105,6 +117,9 @@ enum { /* Indicates there was an error cleaning up a log tree. */ BTRFS_FS_STATE_LOG_CLEANUP_ERROR, + /* No more delayed iput can be queued. */ + BTRFS_FS_STATE_NO_DELAYED_IPUT, + BTRFS_FS_STATE_COUNT }; @@ -285,6 +300,7 @@ enum { #define BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR 0ULL #define BTRFS_DEFAULT_COMMIT_INTERVAL (30) +#define BTRFS_WARNING_COMMIT_INTERVAL (300) #define BTRFS_DEFAULT_MAX_INLINE (2048) struct btrfs_dev_replace { @@ -404,6 +420,8 @@ struct btrfs_commit_stats { u64 last_commit_dur; /* The total commit duration in ns */ u64 total_commit_dur; + /* Start of the last critical section in ns. */ + u64 critical_section_start_time; }; struct btrfs_fs_info { @@ -456,6 +474,8 @@ struct btrfs_fs_info { struct btrfs_block_rsv delayed_block_rsv; /* Block reservation for delayed refs */ struct btrfs_block_rsv delayed_refs_rsv; + /* Block reservation for treelog tree */ + struct btrfs_block_rsv treelog_rsv; struct btrfs_block_rsv empty_block_rsv; @@ -485,8 +505,8 @@ struct btrfs_fs_info { u64 last_trans_log_full_commit; unsigned long long mount_opt; - unsigned long compress_type:4; - unsigned int compress_level; + int compress_type; + int compress_level; u32 commit_interval; /* * It is a suggestive number, the read side is safe even it gets a @@ -695,8 +715,6 @@ struct btrfs_fs_info { u32 data_chunk_allocations; u32 metadata_ratio; - void *bdev_holder; - /* Private scrub information */ struct mutex scrub_lock; atomic_t scrubs_running; @@ -709,7 +727,6 @@ struct btrfs_fs_info { * running. */ refcount_t scrub_workers_refcnt; - u32 sectors_per_page; struct workqueue_struct *scrub_workers; struct btrfs_discard_ctl discard_ctl; @@ -722,12 +739,6 @@ struct btrfs_fs_info { spinlock_t qgroup_lock; /* - * Used to avoid frequently calling ulist_alloc()/ulist_free() - * when doing qgroup accounting, it must be protected by qgroup_lock. - */ - struct ulist *qgroup_ulist; - - /* * Protect user change for quota operations. If a transaction is needed, * it must be started before locking this lock. */ @@ -762,10 +773,8 @@ struct btrfs_fs_info { struct btrfs_delayed_root *delayed_root; - /* Extent buffer radix tree */ - spinlock_t buffer_lock; - /* Entries are eb->start / sectorsize */ - struct radix_tree_root buffer_radix; + /* Entries are eb->start >> nodesize_bits */ + struct xarray buffer_tree; /* Next backup root to be overwritten */ int backup_root_index; @@ -796,6 +805,7 @@ struct btrfs_fs_info { /* Cached block sizes */ u32 nodesize; + u32 nodesize_bits; u32 sectorsize; /* ilog2 of sectorsize, use to avoid 64bit division */ u32 sectorsize_bits; @@ -981,6 +991,12 @@ static inline u32 count_max_extents(const struct btrfs_fs_info *fs_info, u64 siz return div_u64(size + fs_info->max_extent_size - 1, fs_info->max_extent_size); } +static inline unsigned int btrfs_blocks_per_folio(const struct btrfs_fs_info *fs_info, + const struct folio *folio) +{ + return folio_size(folio) >> fs_info->sectorsize_bits; +} + bool btrfs_exclop_start(struct btrfs_fs_info *fs_info, enum btrfs_exclusive_operation type); bool btrfs_exclop_start_try_lock(struct btrfs_fs_info *fs_info, |