qnx4: remove write support

[safe/jmp/linux-2.6] / fs / qnx4 / bitmap.c

diff --git a/fs/qnx4/bitmap.c b/fs/qnx4/bitmap.c
index e1cd061..0afba06 100644 (file)
--- a/fs/qnx4/bitmap.c
+++ b/fs/qnx4/bitmap.c
@@ -78,84 +78,3 @@ unsigned long qnx4_count_free_blocks(struct super_block *sb)
 
        return total_free;
 }
-
-#ifdef CONFIG_QNX4FS_RW
-
-int qnx4_is_free(struct super_block *sb, long block)
-{
-       int start = le32_to_cpu(qnx4_sb(sb)->BitMap->di_first_xtnt.xtnt_blk) - 1;
-       int size = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size);
-       struct buffer_head *bh;
-       const char *g;
-       int ret = -EIO;
-
-       start += block / (QNX4_BLOCK_SIZE * 8);
-       QNX4DEBUG(("qnx4: is_free requesting block [%lu], bitmap in block [%lu]\n",
-                  (unsigned long) block, (unsigned long) start));
-       (void) size;            /* CHECKME */
-       bh = sb_bread(sb, start);
-       if (bh == NULL) {
-               return -EIO;
-       }
-       g = bh->b_data + (block % QNX4_BLOCK_SIZE);
-       if (((*g) & (1 << (block % 8))) == 0) {
-               QNX4DEBUG(("qnx4: is_free -> block is free\n"));
-               ret = 1;
-       } else {
-               QNX4DEBUG(("qnx4: is_free -> block is busy\n"));
-               ret = 0;
-       }
-       brelse(bh);
-
-       return ret;
-}
-
-int qnx4_set_bitmap(struct super_block *sb, long block, int busy)
-{
-       int start = le32_to_cpu(qnx4_sb(sb)->BitMap->di_first_xtnt.xtnt_blk) - 1;
-       int size = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size);
-       struct buffer_head *bh;
-       char *g;
-
-       start += block / (QNX4_BLOCK_SIZE * 8);
-       QNX4DEBUG(("qnx4: set_bitmap requesting block [%lu], bitmap in block [%lu]\n",
-                  (unsigned long) block, (unsigned long) start));
-       (void) size;            /* CHECKME */
-       bh = sb_bread(sb, start);
-       if (bh == NULL) {
-               return -EIO;
-       }
-       g = bh->b_data + (block % QNX4_BLOCK_SIZE);
-       if (busy == 0) {
-               (*g) &= ~(1 << (block % 8));
-       } else {
-               (*g) |= (1 << (block % 8));
-       }
-       mark_buffer_dirty(bh);
-       brelse(bh);
-
-       return 0;
-}
-
-static void qnx4_clear_inode(struct inode *inode)
-{
-       struct qnx4_inode_entry *qnx4_ino = qnx4_raw_inode(inode);
-       /* What for? */
-       memset(qnx4_ino->di_fname, 0, sizeof qnx4_ino->di_fname);
-       qnx4_ino->di_size = 0;
-       qnx4_ino->di_num_xtnts = 0;
-       qnx4_ino->di_mode = 0;
-       qnx4_ino->di_status = 0;
-}
-
-void qnx4_free_inode(struct inode *inode)
-{
-       if (inode->i_ino < 1) {
-               printk("free_inode: inode 0 or nonexistent inode\n");
-               return;
-       }
-       qnx4_clear_inode(inode);
-       clear_inode(inode);
-}
-
-#endif