Contributors: 14
Author Tokens Token Proportion Commits Commit Proportion
Chris Mason 121 33.80% 24 43.64%
Josef Whiter 96 26.82% 5 9.09%
Filipe David Borba Manana 29 8.10% 3 5.45%
Zheng Yan 25 6.98% 3 5.45%
Qu Wenruo 21 5.87% 3 5.45%
Jeff Mahoney 21 5.87% 2 3.64%
Miao Xie 18 5.03% 1 1.82%
Nikolay Borisov 6 1.68% 4 7.27%
Boris Burkov 6 1.68% 2 3.64%
Omar Sandoval 5 1.40% 3 5.45%
David Sterba 4 1.12% 2 3.64%
Arne Jansen 3 0.84% 1 1.82%
Christoph Hellwig 2 0.56% 1 1.82%
Johannes Thumshirn 1 0.28% 1 1.82%
Total 358 55


/* SPDX-License-Identifier: GPL-2.0 */

#ifndef BTRFS_FILE_ITEM_H
#define BTRFS_FILE_ITEM_H

#include "accessors.h"

#define BTRFS_FILE_EXTENT_INLINE_DATA_START		\
		(offsetof(struct btrfs_file_extent_item, disk_bytenr))

static inline u32 BTRFS_MAX_INLINE_DATA_SIZE(const struct btrfs_fs_info *info)
{
	return BTRFS_MAX_ITEM_SIZE(info) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
}

/*
 * Return the number of bytes used by the item on disk, minus the size of any
 * extent headers.  If a file is compressed on disk, this is the compressed
 * size.
 */
static inline u32 btrfs_file_extent_inline_item_len(
						const struct extent_buffer *eb,
						int nr)
{
	return btrfs_item_size(eb, nr) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
}

static inline unsigned long btrfs_file_extent_inline_start(
				const struct btrfs_file_extent_item *e)
{
	return (unsigned long)e + BTRFS_FILE_EXTENT_INLINE_DATA_START;
}

static inline u32 btrfs_file_extent_calc_inline_size(u32 datasize)
{
	return BTRFS_FILE_EXTENT_INLINE_DATA_START + datasize;
}

int btrfs_del_csums(struct btrfs_trans_handle *trans,
		    struct btrfs_root *root, u64 bytenr, u64 len);
blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u8 *dst);
int btrfs_insert_hole_extent(struct btrfs_trans_handle *trans,
			     struct btrfs_root *root, u64 objectid, u64 pos,
			     u64 num_bytes);
int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
			     struct btrfs_root *root,
			     struct btrfs_path *path, u64 objectid,
			     u64 bytenr, int mod);
int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
			   struct btrfs_root *root,
			   struct btrfs_ordered_sum *sums);
blk_status_t btrfs_csum_one_bio(struct btrfs_inode *inode, struct bio *bio,
				u64 offset, bool one_ordered);
int btrfs_lookup_csums_list(struct btrfs_root *root, u64 start, u64 end,
			    struct list_head *list, int search_commit,
			    bool nowait);
int btrfs_lookup_csums_bitmap(struct btrfs_root *root, u64 start, u64 end,
			      u8 *csum_buf, unsigned long *csum_bitmap);
void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
				     const struct btrfs_path *path,
				     struct btrfs_file_extent_item *fi,
				     struct extent_map *em);
int btrfs_inode_clear_file_extent_range(struct btrfs_inode *inode, u64 start,
					u64 len);
int btrfs_inode_set_file_extent_range(struct btrfs_inode *inode, u64 start, u64 len);
void btrfs_inode_safe_disk_i_size_write(struct btrfs_inode *inode, u64 new_i_size);
u64 btrfs_file_extent_end(const struct btrfs_path *path);

#endif