fs/affs/amigaffs.c

21 /* Insert a header block bh into the directory dir
26 affs_insert_hash(struct inode *dir, struct buffer_head *bh)
33 	ino = bh->b_blocknr;
34 	offset = affs_hash_name(sb, AFFS_TAIL(sb, bh)->name + 1, AFFS_TAIL(sb, bh)->name[0]);
50 	AFFS_TAIL(sb, bh)->parent = cpu_to_be32(dir->i_ino);
51 	AFFS_TAIL(sb, bh)->hash_chain = 0;
52 	affs_fix_checksum(sb, bh);
78 	struct buffer_head *bh;
89 	bh = affs_bread(sb, dir->i_ino);
90 	if (!bh)
94 	hash_ino = be32_to_cpu(AFFS_HEAD(bh)->table[offset]);
98 			if (dir->i_ino == bh->b_blocknr)
99 				AFFS_HEAD(bh)->table[offset] = ino;
101 				AFFS_TAIL(sb, bh)->hash_chain = ino;
102 			affs_adjust_checksum(bh, be32_to_cpu(ino) - hash_ino);
103 			mark_buffer_dirty_inode(bh, dir);
108 		affs_brelse(bh);
109 		bh = affs_bread(sb, hash_ino);
110 		if (!bh)
112 		hash_ino = be32_to_cpu(AFFS_TAIL(sb, bh)->hash_chain);
115 	affs_brelse(bh);
146 	struct buffer_head *bh, *link_bh = NULL;
152 	bh = affs_bread(sb, inode->i_ino);
153 	if (!bh)
161 		link_ino = be32_to_cpu(AFFS_TAIL(sb, bh)->link_chain);
185 		memcpy(AFFS_TAIL(sb, bh)->name, AFFS_TAIL(sb, link_bh)->name, 32);
186 		retval = affs_insert_hash(dir, bh);
191 		mark_buffer_dirty_inode(bh, inode);
201 	while ((ino = be32_to_cpu(AFFS_TAIL(sb, bh)->link_chain)) != 0) {
204 			AFFS_TAIL(sb, bh)->link_chain = ino2;
205 			affs_adjust_checksum(bh, be32_to_cpu(ino2) - link_ino);
206 			mark_buffer_dirty_inode(bh, inode);
208 			/* Fix the link count, if bh is a normal header block without links */
209 			switch (be32_to_cpu(AFFS_TAIL(sb, bh)->stype)) {
214 				if (!AFFS_TAIL(sb, bh)->link_chain)
220 		affs_brelse(bh);
221 		bh = affs_bread(sb, ino);
222 		if (!bh)
228 	affs_brelse(bh);
237 	struct buffer_head *bh;
241 	bh = affs_bread(sb, inode->i_ino);
242 	if (!bh)
247 		if (AFFS_HEAD(bh)->table[size])
251 	affs_brelse(bh);
271 	struct buffer_head *bh = NULL;
284 	bh = affs_bread(sb, (u32)(long)dentry->d_fsdata);
285 	if (!bh)
290 	switch (be32_to_cpu(AFFS_TAIL(sb, bh)->stype)) {
306 	retval = affs_remove_hash(dir, bh);
309 	mark_buffer_dirty_inode(bh, inode);
322 	affs_brelse(bh);
339 affs_checksum_block(struct super_block *sb, struct buffer_head *bh)
341 	__be32 *ptr = (__be32 *)bh->b_data;
357 affs_fix_checksum(struct super_block *sb, struct buffer_head *bh)
360 	__be32 *ptr = (__be32 *)bh->b_data;