2  * Copyright (c) 2000-2001 Christoph Hellwig.
31  * Veritas filesystem driver - shared subroutines.
57  * vxfs_get_page - read a page into memory.
58  * @ip:		inode to read from
62  *   vxfs_get_page reads the @n th page of @ip into the pagecache.
86 	return ERR_PTR(-EIO);  in vxfs_get_page()
90  * vxfs_bread - read buffer for a give inode,block tuple
91  * @ip:		inode
92  * @block:	logical block
95  *   The vxfs_bread function reads block no @block  of
96  *   @ip into the buffercache.
102 vxfs_bread(struct inode *ip, int block)  in vxfs_bread()  argument
107 	pblock = vxfs_bmap1(ip, block);  in vxfs_bread()
108 	bp = sb_bread(ip->i_sb, pblock);  in vxfs_bread()
114  * vxfs_get_block - locate buffer for given inode,block tuple 
115  * @ip:		inode
116  * @iblock:	logical block
122  *   block and device number to perform a lowlevel read/write on
126  *   Zero on success, else a negativ error code (-EIO).
129 vxfs_getblk(struct inode *ip, sector_t iblock,  in vxfs_getblk()  argument
134 	pblock = vxfs_bmap1(ip, iblock);  in vxfs_getblk()
136 		map_bh(bp, ip->i_sb, pblock);  in vxfs_getblk()
140 	return -EIO;  in vxfs_getblk()
144  * vxfs_readpage - read one page synchronously into the pagecache
165  * vxfs_bmap - perform logical to physical block mapping
167  * @block:	logical block (relative to @mapping).
170  *   Vxfs_bmap find out the corresponding phsical block to the
171  *   @mapping, @block pair.
174  *   Physical block number on success, else Zero.
180 vxfs_bmap(struct address_space *mapping, sector_t block)  in vxfs_bmap()  argument
182 	return generic_block_bmap(mapping, block, vxfs_getblk);  in vxfs_bmap()