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-rw-r--r--ctree.h85
1 files changed, 23 insertions, 62 deletions
diff --git a/ctree.h b/ctree.h
index 0c34ae20..48ae8903 100644
--- a/ctree.h
+++ b/ctree.h
@@ -26,6 +26,7 @@
#include "extent-cache.h"
#include "extent_io.h"
#include "ioctl.h"
+#include "sizes.h"
#else
#include <btrfs/list.h>
#include <btrfs/kerncompat.h>
@@ -33,6 +34,7 @@
#include <btrfs/extent-cache.h>
#include <btrfs/extent_io.h>
#include <btrfs/ioctl.h>
+#include <btrfs/sizes.h>
#endif /* BTRFS_FLAT_INCLUDES */
struct btrfs_root;
@@ -350,11 +352,11 @@ struct btrfs_header {
u8 level;
} __attribute__ ((__packed__));
-#define BTRFS_NODEPTRS_PER_BLOCK(r) (((r)->nodesize - \
+#define BTRFS_NODEPTRS_PER_BLOCK(r) (((r)->fs_info->nodesize - \
sizeof(struct btrfs_header)) / \
sizeof(struct btrfs_key_ptr))
#define __BTRFS_LEAF_DATA_SIZE(bs) ((bs) - sizeof(struct btrfs_header))
-#define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->nodesize))
+#define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->fs_info->nodesize))
#define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \
sizeof(struct btrfs_item) - \
sizeof(struct btrfs_file_extent_item))
@@ -438,7 +440,7 @@ struct btrfs_super_block {
__le32 sectorsize;
__le32 nodesize;
/* Unused and must be equal to nodesize */
- __le32 leafsize;
+ __le32 __unused_leafsize;
__le32 stripesize;
__le32 sys_chunk_array_size;
__le64 chunk_root_generation;
@@ -601,7 +603,7 @@ struct btrfs_extent_item_v0 {
#define BTRFS_MAX_EXTENT_ITEM_SIZE(r) ((BTRFS_LEAF_DATA_SIZE(r) >> 4) - \
sizeof(struct btrfs_item))
-#define BTRFS_MAX_EXTENT_SIZE (128 * 1024 * 1024)
+#define BTRFS_MAX_EXTENT_SIZE SZ_128M
#define BTRFS_EXTENT_FLAG_DATA (1ULL << 0)
#define BTRFS_EXTENT_FLAG_TREE_BLOCK (1ULL << 1)
@@ -952,7 +954,7 @@ struct btrfs_csum_item {
* - the first 64k blank is useful for some boot loader/manager
* - the first 1M could be scratched by buggy partitioner or somesuch
*/
-#define BTRFS_BLOCK_RESERVED_1M_FOR_SUPER ((u64)1024 * 1024)
+#define BTRFS_BLOCK_RESERVED_1M_FOR_SUPER ((u64)SZ_1M)
/* tag for the radix tree of block groups in ram */
#define BTRFS_BLOCK_GROUP_DATA (1ULL << 0)
@@ -1145,6 +1147,10 @@ struct btrfs_fs_info {
struct cache_tree *fsck_extent_cache;
struct cache_tree *corrupt_blocks;
+ /* Cached block sizes */
+ u32 nodesize;
+ u32 sectorsize;
+ u32 stripesize;
};
/*
@@ -1160,18 +1166,6 @@ struct btrfs_root {
u64 objectid;
u64 last_trans;
- /* data allocations are done in sectorsize units */
- u32 sectorsize;
-
- /* node allocations are done in nodesize units */
- u32 nodesize;
-
- /* Unused, equal to nodesize */
- u32 leafsize;
-
- /* leaf allocations are done in nodesize units */
- u32 stripesize;
-
int ref_cows;
int track_dirty;
@@ -2037,33 +2031,12 @@ static inline unsigned long btrfs_header_chunk_tree_uuid(struct extent_buffer *e
return offsetof(struct btrfs_header, chunk_tree_uuid);
}
-static inline u8 *btrfs_super_fsid(struct extent_buffer *eb)
-{
- unsigned long ptr = offsetof(struct btrfs_super_block, fsid);
- return (u8 *)ptr;
-}
-
static inline u8 *btrfs_header_csum(struct extent_buffer *eb)
{
unsigned long ptr = offsetof(struct btrfs_header, csum);
return (u8 *)ptr;
}
-static inline struct btrfs_node *btrfs_buffer_node(struct extent_buffer *eb)
-{
- return NULL;
-}
-
-static inline struct btrfs_leaf *btrfs_buffer_leaf(struct extent_buffer *eb)
-{
- return NULL;
-}
-
-static inline struct btrfs_header *btrfs_buffer_header(struct extent_buffer *eb)
-{
- return NULL;
-}
-
static inline int btrfs_is_leaf(struct extent_buffer *eb)
{
return (btrfs_header_level(eb) == 0);
@@ -2178,8 +2151,6 @@ BTRFS_SETGET_STACK_FUNCS(super_sectorsize, struct btrfs_super_block,
sectorsize, 32);
BTRFS_SETGET_STACK_FUNCS(super_nodesize, struct btrfs_super_block,
nodesize, 32);
-BTRFS_SETGET_STACK_FUNCS(super_leafsize, struct btrfs_super_block,
- leafsize, 32);
BTRFS_SETGET_STACK_FUNCS(super_stripesize, struct btrfs_super_block,
stripesize, 32);
BTRFS_SETGET_STACK_FUNCS(super_root_dir, struct btrfs_super_block,
@@ -2429,17 +2400,6 @@ static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb,
return btrfs_file_extent_ram_bytes(eb, fi);
}
-/*
- * NOTE: Backward compatibility, do not use.
- * Replacement: read nodesize directly
- */
-__attribute__((deprecated))
-static inline u32 btrfs_level_size(struct btrfs_root *root, int level) {
- if (level == 0)
- return root->leafsize;
- return root->nodesize;
-}
-
#define btrfs_fs_incompat(fs_info, opt) \
__btrfs_fs_incompat((fs_info), BTRFS_FEATURE_INCOMPAT_##opt)
@@ -2538,11 +2498,11 @@ struct btrfs_block_group_cache *
btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
u64 chunk_objectid, u64 chunk_offset, u64 size);
int btrfs_make_block_group(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, u64 bytes_used,
+ struct btrfs_fs_info *fs_info, u64 bytes_used,
u64 type, u64 chunk_objectid, u64 chunk_offset,
u64 size);
int btrfs_make_block_groups(struct btrfs_trans_handle *trans,
- struct btrfs_root *root);
+ struct btrfs_fs_info *fs_info);
int btrfs_update_block_group(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 bytenr, u64 num,
int alloc, int mark_free);
@@ -2563,8 +2523,8 @@ u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
/* ctree.c */
int btrfs_comp_cpu_keys(struct btrfs_key *k1, struct btrfs_key *k2);
-int btrfs_del_ptr(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct btrfs_path *path, int level, int slot);
+int btrfs_del_ptr(struct btrfs_root *root, struct btrfs_path *path,
+ int level, int slot);
enum btrfs_tree_block_status
btrfs_check_node(struct btrfs_root *root, struct btrfs_disk_key *parent_key,
struct extent_buffer *buf);
@@ -2573,7 +2533,7 @@ btrfs_check_leaf(struct btrfs_root *root, struct btrfs_disk_key *parent_key,
struct extent_buffer *buf);
void reada_for_search(struct btrfs_root *root, struct btrfs_path *path,
int level, int slot, u64 objectid);
-struct extent_buffer *read_node_slot(struct btrfs_root *root,
+struct extent_buffer *read_node_slot(struct btrfs_fs_info *fs_info,
struct extent_buffer *parent, int slot);
int btrfs_previous_item(struct btrfs_root *root,
struct btrfs_path *path, u64 min_objectid,
@@ -2596,11 +2556,9 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct extent_buffer *buf,
struct extent_buffer **cow_ret, u64 new_root_objectid);
-int btrfs_extend_item(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct btrfs_path *path, u32 data_size);
-int btrfs_truncate_item(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
- struct btrfs_path *path,
+int btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
+ u32 data_size);
+int btrfs_truncate_item(struct btrfs_root *root, struct btrfs_path *path,
u32 new_size, int from_end);
int btrfs_split_item(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
@@ -2734,7 +2692,7 @@ int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans,
struct btrfs_inode_ref *btrfs_lookup_inode_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct btrfs_path *path,
const char *name, int namelen, u64 ino, u64 parent_ino,
- u64 index, int ins_len);
+ int ins_len);
int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
struct btrfs_root *root, const char *name, int name_len,
u64 ino, u64 parent_ino, u64 *index);
@@ -2797,4 +2755,7 @@ int btrfs_get_extent(struct btrfs_trans_handle *trans,
int btrfs_punch_hole(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
u64 ino, u64 offset, u64 len);
+int btrfs_read_file(struct btrfs_root *root, u64 ino, u64 start, int len,
+ char *dest);
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 04:26:36 +0000