/* * linux/fs/befs/io.c * * Copyright (C) 2001 Will Dyson #include "befs.h" #include "io.h" /* * Converts befs notion of disk addr to a disk offset and uses * linux kernel function sb_bread() to get the buffer containing * the offset. */ struct buffer_head * befs_bread_iaddr(struct super_block *sb, befs_inode_addr iaddr) { struct buffer_head *bh; befs_blocknr_t block; struct befs_sb_info *befs_sb = BEFS_SB(sb); befs_debug(sb, "---> Enter %s " "[%u, %hu, %hu]", __func__, iaddr.allocation_group, iaddr.start, iaddr.len); if (iaddr.allocation_group > befs_sb->num_ags) { befs_error(sb, "BEFS: Invalid allocation group %u, max is %u", iaddr.allocation_group, befs_sb->num_ags); goto error; } block = iaddr2blockno(sb, &iaddr); befs_debug(sb, "%s: offset = %lu", __func__, (unsigned long)block); bh = sb_bread(sb, block); if (bh == NULL) { befs_error(sb, "Failed to read block %lu", (unsigned long)block); goto error; } befs_debug(sb, "<--- %s", __func__); return bh; error: befs_debug(sb, "<--- %s ERROR", __func__); return NULL; } witch'/> net-next plumbingsTobias Klauser

path: root/net/wireless/chan.c

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