118 } Indirect;  typedef
120 static inline void add_chain(Indirect *p, struct buffer_head *bh, __le32 *v)  in add_chain()
126 static inline int verify_chain(Indirect *from, Indirect *to)  in verify_chain()
139  *             followed (on disk) by an indirect block.
142  *	data blocks at leaves and indirect blocks in intermediate nodes.
149  *	we need to know is the capacity of indirect blocks (taken from the
155  * indirect block) is spelled differently, because otherwise on an
206  *	ext2_get_branch - read the chain of indirect blocks leading to data
209  *	@offsets: offsets of pointers in inode/indirect blocks
219  *	for i>0) and chain[i].bh points to the buffer_head of i-th indirect
227  *	or when it gets an IO error reading an indirect block
231  *	or when it reads all @depth-1 indirect blocks successfully and finds
234 static Indirect *ext2_get_branch(struct inode *inode,  in ext2_get_branch()
237 				 Indirect chain[4],  in ext2_get_branch()
241 	Indirect *p = chain;  in ext2_get_branch()
277  *	@ind: descriptor of indirect block.
283  *	  + if pointer will live in indirect block - allocate near that block.
294 static ext2_fsblk_t ext2_find_near(struct inode *inode, Indirect *ind)  in ext2_find_near()
307 	/* No such thing, so let's try location of indirect block */  in ext2_find_near()
331 					  Indirect *partial)  in ext2_find_goal()
353  * 	@branch: chain of indirect blocks
354  *	@k: number of blocks need for indirect blocks
356  *	@blocks_to_boundary:  the offset in the indirect block
361 ext2_blks_to_allocate(Indirect * branch, int k, unsigned long blks,  in ext2_blks_to_allocate()
367 	 * Simple case, [t,d]Indirect block(s) has not allocated yet  in ext2_blks_to_allocate()
391  * @indirect_blks: The number of blocks needed to allocate for indirect blocks.
394  *	the indirect blocks(if needed) and the first direct block.
413 	 * the indirect blocks(if not allocated yet), and at least  in ext2_alloc_blocks()
421 		/* allocating blocks for indirect blocks and direct blocks */  in ext2_alloc_blocks()
427 		/* allocate blocks for indirect blocks */  in ext2_alloc_blocks()
481 			int *offsets, Indirect *branch)  in ext2_alloc_branch()
554  * @num:   number of indirect blocks we are adding
562 			long block, Indirect *where, int num, int blks)  in ext2_splice_branch()
598 	/* had we spliced it onto indirect block? */  in ext2_splice_branch()
631 	Indirect chain[4];  in ext2_get_blocks()
632 	Indirect *partial;  in ext2_get_blocks()
659 				 * Indirect block might be removed by  in ext2_get_blocks()
679 	/* Next simple case - plain lookup or failed read of indirect block */  in ext2_get_blocks()
685 	 * If the indirect block is missing while we are reading  in ext2_get_blocks()
723 	/* the number of blocks need to allocate for [d,t]indirect blocks */  in ext2_get_blocks()
726 	 * Next look up the indirect map to count the total number of  in ext2_get_blocks()
993  *	ext2_find_shared - find the indirect blocks for partial truncation.
997  *	@chain:	  place to store the pointers to partial indirect blocks
1002  *	When we do truncate() we may have to clean the ends of several indirect
1026 static Indirect *ext2_find_shared(struct inode *inode,  in ext2_find_shared()
1029 				Indirect chain[4],  in ext2_find_shared()
1032 	Indirect *partial, *p;  in ext2_find_shared()
1167 	Indirect chain[4];  in __ext2_truncate_blocks()
1168 	Indirect *partial;  in __ext2_truncate_blocks()
1205 	/* Clear the ends of indirect blocks on the shared branch */  in __ext2_truncate_blocks()