linux/fs/minix/itree_common.c

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

Indirect;

static DEFINE_RWLOCK(pointers_lock);

static inline void add_chain(Indirect *p, struct buffer_head *bh, block_t *v)
{ … }

static inline int verify_chain(Indirect *from, Indirect *to)
{ … }

static inline block_t *block_end(struct buffer_head *bh)
{ … }

static inline Indirect *get_branch(struct inode *inode,
					int depth,
					int *offsets,
					Indirect chain[DEPTH],
					int *err)
{ … }

static int alloc_branch(struct inode *inode,
			     int num,
			     int *offsets,
			     Indirect *branch)
{ … }

static inline int splice_branch(struct inode *inode,
				     Indirect chain[DEPTH],
				     Indirect *where,
				     int num)
{ … }

static int get_block(struct inode * inode, sector_t block,
			struct buffer_head *bh, int create)
{ … }

static inline int all_zeroes(block_t *p, block_t *q)
{ … }

static Indirect *find_shared(struct inode *inode,
				int depth,
				int offsets[DEPTH],
				Indirect chain[DEPTH],
				block_t *top)
{ … }

static inline void free_data(struct inode *inode, block_t *p, block_t *q)
{ … }

static void free_branches(struct inode *inode, block_t *p, block_t *q, int depth)
{ … }

static inline void truncate (struct inode * inode)
{ … }

static inline unsigned nblocks(loff_t size, struct super_block *sb)
{ … }