1 /* SPDX-License-Identifier: GPL-2.0 */
33 /* B-tree mutex nested subclasses */
138 	/* mutable data from the volume header, protected by alloc_mutex */
142 	/* mutable data from the volume header, protected by vh_mutex */
159 	int work_queued;               /* non-zero delayed work is queued */
176 	return sb->s_fs_info;  in HFSPLUS_SB()
184 	 * Extent allocation information, protected by extents_lock.
203 	 * Protected by sbi->vh_mutex.
213 	 * Protected by i_mutex.
235 	test_bit(HFSPLUS_I_RSRC, &HFSPLUS_I(inode)->flags)
245  * For data or metadata that gets written back by into the catalog btree
246  * by hfsplus_write_inode a plain mark_inode_dirty call is enough.
251 	set_bit(flag, &HFSPLUS_I(inode)->flags);  in hfsplus_mark_inode_dirty()
256 	/* filled by caller */
259 	/* filled by find */
262 	/* filled by findrec */
279 	return max_t(unsigned short, HFSPLUS_SB(sb)->min_io_size,  in hfsplus_min_io_size()
320  * hfs+-specific ioctl for making the filesystem bootable
365 void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len);
366 u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off);
367 u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off);
368 void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off);
369 void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len);
370 void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data);
371 void hfs_bnode_clear(struct hfs_bnode *node, int off, int len);
387 u16 hfs_brec_lenoff(struct hfs_bnode *node, u16 rec, u16 *off);
509  * time helpers: convert between 1904-base and 1970-base timestamps
512  * traditional behavior of 64-bit Linux, giving the most useful
513  * time range between 1970 and 2106, by treating any on-disk timestamp
520 	time64_t ut = (u32)(be32_to_cpu(mt) - HFSPLUS_UTC_OFFSET);  in __hfsp_mt2ut()
535 	switch (tree->cnid) {  in hfsplus_btree_lock_class()
552 bool is_bnode_offset_valid(struct hfs_bnode *node, int off)  in is_bnode_offset_valid()  argument
554 	bool is_valid = off < node->tree->node_size;  in is_bnode_offset_valid()
560 		       node->this, node->type, node->height,  in is_bnode_offset_valid()
561 		       node->tree->node_size, off);  in is_bnode_offset_valid()
568 int check_and_correct_requested_length(struct hfs_bnode *node, int off, int len)  in check_and_correct_requested_length()  argument
572 	if (!is_bnode_offset_valid(node, off))  in check_and_correct_requested_length()
575 	node_size = node->tree->node_size;  in check_and_correct_requested_length()
577 	if ((off + len) > node_size) {  in check_and_correct_requested_length()
578 		int new_len = (int)node_size - off;  in check_and_correct_requested_length()
584 		       node->this, node->type, node->height,  in check_and_correct_requested_length()
585 		       node->tree->node_size, off, len, new_len);  in check_and_correct_requested_length()