diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index 8cc07cc70b12..814bbc9417d2 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -59,6 +59,8 @@ struct btrfs_space_info; #define BTRFS_MIN_BLOCKSIZE (SZ_4K) #endif +#define BTRFS_MAX_BLOCKSIZE (SZ_64K) + #define BTRFS_MAX_EXTENT_SIZE SZ_128M #define BTRFS_OLDEST_GENERATION 0ULL @@ -102,6 +104,8 @@ enum { BTRFS_FS_STATE_RO, /* Track if a transaction abort has been reported on this filesystem */ BTRFS_FS_STATE_TRANS_ABORTED, + /* Track if log replay has failed. */ + BTRFS_FS_STATE_LOG_REPLAY_ABORTED, /* * Bio operations should be blocked on this filesystem because a source * or target device is being destroyed as part of a device replace @@ -243,6 +247,7 @@ enum { BTRFS_MOUNT_NOSPACECACHE = (1ULL << 30), BTRFS_MOUNT_IGNOREMETACSUMS = (1ULL << 31), BTRFS_MOUNT_IGNORESUPERFLAGS = (1ULL << 32), + BTRFS_MOUNT_REF_TRACKER = (1ULL << 33), }; /* @@ -280,7 +285,7 @@ enum { #ifdef CONFIG_BTRFS_EXPERIMENTAL /* - * Features under developmen like Extent tree v2 support is enabled + * Features under development like Extent tree v2 support is enabled * only under CONFIG_BTRFS_EXPERIMENTAL */ #define BTRFS_FEATURE_INCOMPAT_SUPP \ @@ -303,6 +308,16 @@ enum { #define BTRFS_WARNING_COMMIT_INTERVAL (300) #define BTRFS_DEFAULT_MAX_INLINE (2048) +enum btrfs_compression_type { + BTRFS_COMPRESS_NONE = 0, + BTRFS_COMPRESS_ZLIB = 1, + BTRFS_COMPRESS_LZO = 2, + BTRFS_COMPRESS_ZSTD = 3, + BTRFS_NR_COMPRESS_TYPES = 4, + + BTRFS_DEFRAG_DONT_COMPRESS, +}; + struct btrfs_dev_replace { /* See #define above */ u64 replace_state; @@ -505,6 +520,9 @@ struct btrfs_fs_info { u64 last_trans_log_full_commit; unsigned long long mount_opt; + /* Compress related structures. */ + void *compr_wsm[BTRFS_NR_COMPRESS_TYPES]; + int compress_type; int compress_level; u32 commit_interval; @@ -809,6 +827,8 @@ struct btrfs_fs_info { u32 sectorsize; /* ilog2 of sectorsize, use to avoid 64bit division */ u32 sectorsize_bits; + u32 block_min_order; + u32 block_max_order; u32 csum_size; u32 csums_per_leaf; u32 stripesize; @@ -878,12 +898,10 @@ struct btrfs_fs_info { struct lockdep_map btrfs_trans_pending_ordered_map; struct lockdep_map btrfs_ordered_extent_map; -#ifdef CONFIG_BTRFS_FS_REF_VERIFY +#ifdef CONFIG_BTRFS_DEBUG spinlock_t ref_verify_lock; struct rb_root block_tree; -#endif -#ifdef CONFIG_BTRFS_DEBUG struct kobject *debug_kobj; struct list_head allocated_roots; @@ -905,6 +923,12 @@ static inline gfp_t btrfs_alloc_write_mask(struct address_space *mapping) return mapping_gfp_constraint(mapping, ~__GFP_FS); } +/* Return the minimal folio size of the fs. */ +static inline unsigned int btrfs_min_folio_size(struct btrfs_fs_info *fs_info) +{ + return 1U << (PAGE_SHIFT + fs_info->block_min_order); +} + static inline u64 btrfs_get_fs_generation(const struct btrfs_fs_info *fs_info) { return READ_ONCE(fs_info->generation); @@ -997,6 +1021,7 @@ static inline unsigned int btrfs_blocks_per_folio(const struct btrfs_fs_info *fs return folio_size(folio) >> fs_info->sectorsize_bits; } +bool __attribute_const__ btrfs_supported_blocksize(u32 blocksize); 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, @@ -1107,9 +1132,9 @@ static inline void btrfs_wake_unfinished_drop(struct btrfs_fs_info *fs_info) #define EXPORT_FOR_TESTS -static inline int btrfs_is_testing(const struct btrfs_fs_info *fs_info) +static inline bool btrfs_is_testing(const struct btrfs_fs_info *fs_info) { - return test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state); + return unlikely(test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state)); } void btrfs_test_destroy_inode(struct inode *inode); @@ -1118,9 +1143,9 @@ void btrfs_test_destroy_inode(struct inode *inode); #define EXPORT_FOR_TESTS static -static inline int btrfs_is_testing(const struct btrfs_fs_info *fs_info) +static inline bool btrfs_is_testing(const struct btrfs_fs_info *fs_info) { - return 0; + return false; } #endif |