diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/befs/io.c')
-rw-r--r-- | ANDROID_3.4.5/fs/befs/io.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/ANDROID_3.4.5/fs/befs/io.c b/ANDROID_3.4.5/fs/befs/io.c deleted file mode 100644 index ddef98aa..00000000 --- a/ANDROID_3.4.5/fs/befs/io.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * linux/fs/befs/io.c - * - * Copyright (C) 2001 Will Dyson <will_dyson@pobox.com - * - * Based on portions of file.c and inode.c - * by Makoto Kato (m_kato@ga2.so-net.ne.jp) - * - * Many thanks to Dominic Giampaolo, author of Practical File System - * Design with the Be File System, for such a helpful book. - * - */ - -#include <linux/buffer_head.h> - -#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. -Will Dyson - * - */ - -struct buffer_head * -befs_bread_iaddr(struct super_block *sb, befs_inode_addr iaddr) -{ - struct buffer_head *bh = NULL; - befs_blocknr_t block = 0; - befs_sb_info *befs_sb = BEFS_SB(sb); - - befs_debug(sb, "---> Enter befs_read_iaddr() " - "[%u, %hu, %hu]", - 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, "befs_read_iaddr: offset = %lu", block); - - bh = sb_bread(sb, block); - - if (bh == NULL) { - befs_error(sb, "Failed to read block %lu", block); - goto error; - } - - befs_debug(sb, "<--- befs_read_iaddr()"); - return bh; - - error: - befs_debug(sb, "<--- befs_read_iaddr() ERROR"); - return NULL; -} - -struct buffer_head * -befs_bread(struct super_block *sb, befs_blocknr_t block) -{ - struct buffer_head *bh = NULL; - - befs_debug(sb, "---> Enter befs_read() %Lu", block); - - bh = sb_bread(sb, block); - - if (bh == NULL) { - befs_error(sb, "Failed to read block %lu", block); - goto error; - } - - befs_debug(sb, "<--- befs_read()"); - - return bh; - - error: - befs_debug(sb, "<--- befs_read() ERROR"); - return NULL; -} |