diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index 24cd49229408..0d98fc5f6f44 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -25,6 +25,18 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE); /* + * Number of metadata items necessary for an unlink operation: + * + * 1 for the possible orphan item + * 1 for the dir item + * 1 for the dir index + * 1 for the inode ref + * 1 for the inode + * 1 for the parent inode + */ +#define BTRFS_UNLINK_METADATA_UNITS 6 + +/* * The reserved space at the beginning of each device. It covers the primary * super block and leaves space for potential use by other tools like * bootloaders or to lower potential damage of accidental overwrite. @@ -193,11 +205,7 @@ enum { #define BTRFS_FEATURE_COMPAT_RO_SAFE_SET 0ULL #define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR 0ULL -#ifdef CONFIG_BTRFS_DEBUG -/* - * Extent tree v2 supported only with CONFIG_BTRFS_DEBUG - */ -#define BTRFS_FEATURE_INCOMPAT_SUPP \ +#define BTRFS_FEATURE_INCOMPAT_SUPP_STABLE \ (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \ BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS | \ @@ -210,23 +218,22 @@ enum { BTRFS_FEATURE_INCOMPAT_NO_HOLES | \ BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \ BTRFS_FEATURE_INCOMPAT_RAID1C34 | \ - BTRFS_FEATURE_INCOMPAT_ZONED | \ + BTRFS_FEATURE_INCOMPAT_ZONED) + +#ifdef CONFIG_BTRFS_DEBUG + /* + * Features under developmen like Extent tree v2 support is enabled + * only under CONFIG_BTRFS_DEBUG. + */ +#define BTRFS_FEATURE_INCOMPAT_SUPP \ + (BTRFS_FEATURE_INCOMPAT_SUPP_STABLE | \ BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2) + #else -#define BTRFS_FEATURE_INCOMPAT_SUPP \ - (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ - BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \ - BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS | \ - BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \ - BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \ - BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD | \ - BTRFS_FEATURE_INCOMPAT_RAID56 | \ - BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \ - BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \ - BTRFS_FEATURE_INCOMPAT_NO_HOLES | \ - BTRFS_FEATURE_INCOMPAT_METADATA_UUID | \ - BTRFS_FEATURE_INCOMPAT_RAID1C34 | \ - BTRFS_FEATURE_INCOMPAT_ZONED) + +#define BTRFS_FEATURE_INCOMPAT_SUPP \ + (BTRFS_FEATURE_INCOMPAT_SUPP_STABLE) + #endif #define BTRFS_FEATURE_INCOMPAT_SAFE_SET \ @@ -412,7 +419,6 @@ struct btrfs_fs_info { * Must be written and read while holding btrfs_fs_info::commit_root_sem. */ u64 last_reloc_trans; - u64 avg_delayed_ref_runtime; /* * This is updated to the current trans every time a full commit is @@ -638,7 +644,6 @@ struct btrfs_fs_info { refcount_t scrub_workers_refcnt; struct workqueue_struct *scrub_workers; struct workqueue_struct *scrub_wr_completion_workers; - struct workqueue_struct *scrub_parity_workers; struct btrfs_subpage_info *subpage_info; struct btrfs_discard_ctl discard_ctl; @@ -828,7 +833,7 @@ static inline u64 btrfs_csum_bytes_to_leaves( * Use this if we would be adding new items, as we could split nodes as we cow * down the tree. */ -static inline u64 btrfs_calc_insert_metadata_size(struct btrfs_fs_info *fs_info, +static inline u64 btrfs_calc_insert_metadata_size(const struct btrfs_fs_info *fs_info, unsigned num_items) { return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * 2 * num_items; @@ -838,7 +843,7 @@ static inline u64 btrfs_calc_insert_metadata_size(struct btrfs_fs_info *fs_info, * Doing a truncate or a modification won't result in new nodes or leaves, just * what we need for COW. */ -static inline u64 btrfs_calc_metadata_size(struct btrfs_fs_info *fs_info, +static inline u64 btrfs_calc_metadata_size(const struct btrfs_fs_info *fs_info, unsigned num_items) { return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * num_items; |