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[/] [or1k/] [tags/] [LINUX_2_4_26_OR32/] [linux/] [linux-2.4/] [fs/] [efs/] [file.c] - Rev 1279
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/* * file.c * * Copyright (c) 1999 Al Smith * * Portions derived from work (c) 1995,1996 Christian Vogelgsang. */ #include <linux/efs_fs.h> int efs_get_block(struct inode *inode, long iblock, struct buffer_head *bh_result, int create) { int error = -EROFS; long phys; if (create) return error; if (iblock >= inode->i_blocks) { #ifdef DEBUG /* * i have no idea why this happens as often as it does */ printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n", block, inode->i_blocks, inode->i_size); #endif return 0; } phys = efs_map_block(inode, iblock); if (phys) { bh_result->b_dev = inode->i_dev; bh_result->b_blocknr = phys; bh_result->b_state |= (1UL << BH_Mapped); } return 0; } int efs_bmap(struct inode *inode, efs_block_t block) { if (block < 0) { printk(KERN_WARNING "EFS: bmap(): block < 0\n"); return 0; } /* are we about to read past the end of a file ? */ if (!(block < inode->i_blocks)) { #ifdef DEBUG /* * i have no idea why this happens as often as it does */ printk(KERN_WARNING "EFS: bmap(): block %d >= %ld (filesize %ld)\n", block, inode->i_blocks, inode->i_size); #endif return 0; } return efs_map_block(inode, block); }
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