diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 27 |
1 files changed, 15 insertions, 12 deletions
@@ -19,6 +19,8 @@ #ifndef __BTRFS_CTREE_H__ #define __BTRFS_CTREE_H__ +#include <stdbool.h> + #if BTRFS_FLAT_INCLUDES #include "list.h" #include "kerncompat.h" @@ -138,6 +140,8 @@ struct btrfs_free_space_ctl; */ #define BTRFS_DEV_ITEMS_OBJECTID 1ULL +#define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2ULL + /* * the max metadata block size. This limit is somewhat artificial, * but the memmove costs go through the roof for larger blocks. @@ -482,14 +486,7 @@ struct btrfs_super_block { #define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1) #define BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS (1ULL << 2) #define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO (1ULL << 3) - -/* - * some patches floated around with a second compression method - * lets save that incompat here for when they do get in - * Note we don't actually support it, we're just reserving the - * number - */ -#define BTRFS_FEATURE_INCOMPAT_COMPRESS_LZOv2 (1ULL << 4) +#define BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD (1ULL << 4) /* * older kernels tried to do bigger metadata blocks, but the @@ -514,6 +511,7 @@ struct btrfs_super_block { (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \ BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \ + BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD | \ BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \ BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \ BTRFS_FEATURE_INCOMPAT_RAID56 | \ @@ -675,8 +673,9 @@ typedef enum { BTRFS_COMPRESS_NONE = 0, BTRFS_COMPRESS_ZLIB = 1, BTRFS_COMPRESS_LZO = 2, - BTRFS_COMPRESS_TYPES = 2, - BTRFS_COMPRESS_LAST = 3, + BTRFS_COMPRESS_ZSTD = 3, + BTRFS_COMPRESS_TYPES = 3, + BTRFS_COMPRESS_LAST = 4, } btrfs_compression_type; /* we don't understand any encryption methods right now */ @@ -1126,8 +1125,8 @@ struct btrfs_fs_info { struct btrfs_fs_devices *fs_devices; struct list_head space_info; - int system_allocs; + unsigned int system_allocs:1; unsigned int readonly:1; unsigned int on_restoring:1; unsigned int is_chunk_recover:1; @@ -1139,6 +1138,8 @@ struct btrfs_fs_info { unsigned int avoid_sys_chunk_alloc:1; unsigned int finalize_on_close:1; + int transaction_aborted; + int (*free_extent_hook)(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 num_bytes, u64 parent, @@ -2707,7 +2708,7 @@ int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, u64 num_bytes); int btrfs_insert_inline_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 objectid, - u64 offset, char *buffer, size_t size); + u64 offset, const char *buffer, size_t size); int btrfs_csum_file_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 alloc_end, u64 bytenr, char *data, size_t len); @@ -2746,6 +2747,8 @@ int btrfs_add_orphan_item(struct btrfs_trans_handle *trans, u64 ino); int btrfs_mkdir(struct btrfs_trans_handle *trans, struct btrfs_root *root, char *name, int namelen, u64 parent_ino, u64 *ino, int mode); +struct btrfs_root *btrfs_mksubvol(struct btrfs_root *root, const char *base, + u64 root_objectid, bool convert); /* file.c */ int btrfs_get_extent(struct btrfs_trans_handle *trans, |