1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2000-2001 Christoph Hellwig.
7  * Veritas filesystem driver - shared subroutines.
33  * vxfs_get_page - read a page into memory.
38  *   vxfs_get_page reads the @n th page of @ip into the pagecache.
60  * vxfs_bread - read buffer for a give inode,block tuple
61  * @ip:		inode
62  * @block:	logical block
65  *   The vxfs_bread function reads block no @block  of
66  *   @ip into the buffercache.
72 vxfs_bread(struct inode *ip, int block)  in vxfs_bread()  argument
77 	pblock = vxfs_bmap1(ip, block);  in vxfs_bread()
78 	bp = sb_bread(ip->i_sb, pblock);  in vxfs_bread()
84  * vxfs_getblk - locate buffer for given inode,block tuple
85  * @ip:		inode
86  * @iblock:	logical block
92  *   block and device number to perform a lowlevel read/write on
96  *   Zero on success, else a negativ error code (-EIO).
99 vxfs_getblk(struct inode *ip, sector_t iblock,  in vxfs_getblk()  argument
104 	pblock = vxfs_bmap1(ip, iblock);  in vxfs_getblk()
106 		map_bh(bp, ip->i_sb, pblock);  in vxfs_getblk()
110 	return -EIO;  in vxfs_getblk()
114  * vxfs_read_folio - read one page synchronously into the pagecache
134  * vxfs_bmap - perform logical to physical block mapping
136  * @block:	logical block (relative to @mapping).
139  *   Vxfs_bmap find out the corresponding phsical block to the
140  *   @mapping, @block pair.
143  *   Physical block number on success, else Zero.
149 vxfs_bmap(struct address_space *mapping, sector_t block)  in vxfs_bmap()  argument
151 	return generic_block_bmap(mapping, block, vxfs_getblk);  in vxfs_bmap()