summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/fs/minix/itree_v2.c
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/fs/minix/itree_v2.c')
-rw-r--r--ANDROID_3.4.5/fs/minix/itree_v2.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/ANDROID_3.4.5/fs/minix/itree_v2.c b/ANDROID_3.4.5/fs/minix/itree_v2.c
deleted file mode 100644
index 13487ad1..00000000
--- a/ANDROID_3.4.5/fs/minix/itree_v2.c
+++ /dev/null
@@ -1,75 +0,0 @@
-#include <linux/buffer_head.h>
-#include "minix.h"
-
-enum {DIRECT = 7, DEPTH = 4}; /* Have triple indirect */
-
-typedef u32 block_t; /* 32 bit, host order */
-
-static inline unsigned long block_to_cpu(block_t n)
-{
- return n;
-}
-
-static inline block_t cpu_to_block(unsigned long n)
-{
- return n;
-}
-
-static inline block_t *i_data(struct inode *inode)
-{
- return (block_t *)minix_i(inode)->u.i2_data;
-}
-
-#define DIRCOUNT 7
-#define INDIRCOUNT(sb) (1 << ((sb)->s_blocksize_bits - 2))
-
-static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
-{
- int n = 0;
- char b[BDEVNAME_SIZE];
- struct super_block *sb = inode->i_sb;
-
- if (block < 0) {
- printk("MINIX-fs: block_to_path: block %ld < 0 on dev %s\n",
- block, bdevname(sb->s_bdev, b));
- } else if (block >= (minix_sb(inode->i_sb)->s_max_size/sb->s_blocksize)) {
- if (printk_ratelimit())
- printk("MINIX-fs: block_to_path: "
- "block %ld too big on dev %s\n",
- block, bdevname(sb->s_bdev, b));
- } else if (block < DIRCOUNT) {
- offsets[n++] = block;
- } else if ((block -= DIRCOUNT) < INDIRCOUNT(sb)) {
- offsets[n++] = DIRCOUNT;
- offsets[n++] = block;
- } else if ((block -= INDIRCOUNT(sb)) < INDIRCOUNT(sb) * INDIRCOUNT(sb)) {
- offsets[n++] = DIRCOUNT + 1;
- offsets[n++] = block / INDIRCOUNT(sb);
- offsets[n++] = block % INDIRCOUNT(sb);
- } else {
- block -= INDIRCOUNT(sb) * INDIRCOUNT(sb);
- offsets[n++] = DIRCOUNT + 2;
- offsets[n++] = (block / INDIRCOUNT(sb)) / INDIRCOUNT(sb);
- offsets[n++] = (block / INDIRCOUNT(sb)) % INDIRCOUNT(sb);
- offsets[n++] = block % INDIRCOUNT(sb);
- }
- return n;
-}
-
-#include "itree_common.c"
-
-int V2_minix_get_block(struct inode * inode, long block,
- struct buffer_head *bh_result, int create)
-{
- return get_block(inode, block, bh_result, create);
-}
-
-void V2_minix_truncate(struct inode * inode)
-{
- truncate(inode);
-}
-
-unsigned V2_minix_blocks(loff_t size, struct super_block *sb)
-{
- return nblocks(size, sb);
-}