patch-2.3.35 linux/fs/qnx4/symlinks.c

• Lines: 102
• Date: Wed Dec 22 17:38:27 1999
• Orig file: v2.3.34/linux/fs/qnx4/symlinks.c
• Orig date: Tue Dec 7 09:32:48 1999

diff -u --recursive --new-file v2.3.34/linux/fs/qnx4/symlinks.c linux/fs/qnx4/symlinks.c
@@ -1,7 +1,7 @@
 /* 
  * QNX4 file system, Linux implementation.
  * 
- * Version : 0.1
+ * Version : 0.2.1
  * 
  * Using parts of the xiafs filesystem.
  * 
@@ -31,88 +31,8 @@
  */
 struct inode_operations qnx4_symlink_inode_operations =
 {
-	NULL,			/* no file-operations */
-	NULL,			/* create */
-	NULL,			/* lookup */
-	NULL,			/* link */
-	NULL,			/* unlink */
-	NULL,			/* symlink */
-	NULL,			/* mkdir */
-	NULL,			/* rmdir */
-	NULL,			/* mknod */
-	NULL,			/* rename */
-	qnx4_readlink,		/* readlink */
-	qnx4_follow_link,	/* follow_link */
-	NULL,			/* get_block */
-	NULL,			/* readpage */
-	NULL,			/* writepage */
-	NULL,			/* truncate */
-	NULL,			/* permission */
-	NULL			/* revalidate */
+	readlink:		page_readlink,
+	follow_link:		page_follow_link,
+	get_block:		qnx4_get_block,
+	readpage:		block_read_full_page,
 };
-
-static struct dentry *qnx4_follow_link(struct dentry *dentry,
-				       struct dentry *base, unsigned int follow)
-{
-#if 0
-	struct inode *inode = dentry->d_inode;
-	struct buffer_head *bh;
-
-	if (!inode) {
-		return ERR_PTR(-ENOENT);
-	}
-	if (current->link_count > 5) {
-		return ERR_PTR(-ELOOP);
-	}
-	if (!(bh = qnx4_bread(inode, 0, 0))) {
-		return ERR_PTR(-EIO);
-	}
-	current->link_count++;
-	current->link_count--;
-	brelse(bh);
-	return 0;
-#else
-	printk("qnx4: qnx4_follow_link needs to be fixed.\n");
-	return ERR_PTR(-EIO);
-#endif
-}
-
-static int qnx4_readlink(struct dentry *dentry, char *buffer, int buflen)
-{
-	struct inode *inode = dentry->d_inode;
-	struct buffer_head *bh;
-	int i;
-	char c;
-	struct qnx4_inode_info *qnx4_ino;
-
-	QNX4DEBUG(("qnx4: qnx4_readlink() called\n"));
-
-	if (buffer == NULL || inode == NULL || !S_ISLNK(inode->i_mode)) {
-		return -EINVAL;
-	}
-	qnx4_ino = &inode->u.qnx4_i;
-	if (buflen > 1023) {
-		buflen = 1023;
-	}
-	bh = bread(inode->i_dev, qnx4_ino->i_first_xtnt.xtnt_blk,
-		   QNX4_BLOCK_SIZE);
-	if (bh == NULL) {
-		QNX4DEBUG(("qnx4: NULL symlink bh\n"));
-		return 0;
-	}
-	QNX4DEBUG(("qnx4: qnx4_bread sym called -> [%s]\n",
-		   bh->b_data));
-	if (bh->b_data[0] != 0) {
-		i = 0;
-		while (i < buflen && (c = bh->b_data[i])) {
-			i++;
-			put_user(c, buffer++);
-		}
-		brelse(bh);
-		return i;
-	} else {
-		brelse(bh);
-		memcpy(buffer, "fixme", 5);
-		return 5;
-	}
-}