compile error (undefined reference to jffs2_getlink) for kernel 2.4.26

[Artem B. Bityuckiy]

Kevin Liao wrote:
> You do not need to be sorry at all.
Ok, but I should have been more accurate.

Here is the patch I propose. I didn't test it and didn't compile. Please 
try it. The idea is simple: f->dents contains the target link and you only 
need take it from there.

Please, report if the patch works and we might commit it.

--
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.
-------------- next part --------------
--- symlink-v24.c	2005-03-03 15:13:21.227821215 +0300
+++ symlink-v24_tweaked.c	2005-03-03 15:15:31.457291207 +0300
@@ -27,12 +27,34 @@
 	.setattr =	jffs2_setattr
 };
 
+static inline char * jffs2_provide_link(struct jffs2_sb_info *c, struct jffs2_inode_info *f)
+{
+	unsigned char *kbuf = kmalloc(f->metadata->size + 1, GFP_USER);
+	
+	if (!kbuf) {
+		printk(KERN_ERR "jffs2_provide_link(): can't allocate memory for symlink target\n");
+		return ERR_PTR(-ENOMEM);
+	}
+	
+	if (!f->dents) {
+		printk(KERN_ERR "jffs2_provide_link(): can't find symlink target\n");
+		return ERR_PTR(-EIO);
+	}
+	
+	D1(printk(KERN_DEBUG "jffs2_provide_link(): target path is '%s'\n", (char *) f->dents));
+
+	memcpy(kbuf, (char *) f->dents, f->metadata->size + 1);
+	buf[f->metadata->size + 1] = '\0';
+
+	return buf;
+}
+
 int jffs2_readlink(struct dentry *dentry, char *buffer, int buflen)
 {
 	unsigned char *kbuf;
 	int ret;
 
-	kbuf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
+	kbuf = jffs2_provide_link(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
 	if (IS_ERR(kbuf))
 		return PTR_ERR(kbuf);
 
@@ -46,7 +68,7 @@
 	unsigned char *buf;
 	int ret;
 
-	buf = jffs2_getlink(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
+	buf = jffs2_provide_link(JFFS2_SB_INFO(dentry->d_inode->i_sb), JFFS2_INODE_INFO(dentry->d_inode));
 
 	if (IS_ERR(buf))
 		return PTR_ERR(buf);