--- linux-2.5/arch/i386/kernel/entry.S-flink	2003-03-21 23:09:32.000000000 -0800
+++ linux-2.5/arch/i386/kernel/entry.S	2003-04-06 10:32:27.000000000 -0700
@@ -852,6 +852,7 @@ ENTRY(sys_call_table)
  	.long sys_clock_gettime		/* 265 */
  	.long sys_clock_getres
  	.long sys_clock_nanosleep
+	.long sys_flink
  
  
 nr_syscalls=(.-sys_call_table)/4
--- linux-2.5/fs/namei.c-flink	2003-04-03 10:04:03.000000000 -0800
+++ linux-2.5/fs/namei.c	2003-04-06 11:20:41.000000000 -0700
@@ -16,6 +16,7 @@
 
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/namei.h>
 #include <linux/quotaops.h>
@@ -1796,10 +1797,10 @@ int vfs_link(struct dentry *old_dentry, 
  * with linux 2.0, and to avoid hard-linking to directories
  * and other special files.  --ADM
  */
-asmlinkage long sys_link(const char * oldname, const char * newname)
+static long link_common(struct vfsmount *old_mnt, struct dentry *old_dentry, const char *newname)
 {
 	struct dentry *new_dentry;
-	struct nameidata nd, old_nd;
+	struct nameidata nd;
 	int error;
 	char * to;
 
@@ -1807,32 +1808,53 @@ asmlinkage long sys_link(const char * ol
 	if (IS_ERR(to))
 		return PTR_ERR(to);
 
-	error = __user_walk(oldname, 0, &old_nd);
-	if (error)
-		goto exit;
 	error = path_lookup(to, LOOKUP_PARENT, &nd);
 	if (error)
-		goto out;
+		goto exit;
 	error = -EXDEV;
-	if (old_nd.mnt != nd.mnt)
+	if (old_mnt != nd.mnt)
 		goto out_release;
 	new_dentry = lookup_create(&nd, 0);
 	error = PTR_ERR(new_dentry);
 	if (!IS_ERR(new_dentry)) {
-		error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
+		error = vfs_link(old_dentry, nd.dentry->d_inode, new_dentry);
 		dput(new_dentry);
 	}
 	up(&nd.dentry->d_inode->i_sem);
 out_release:
 	path_release(&nd);
-out:
-	path_release(&old_nd);
 exit:
 	putname(to);
 
 	return error;
 }
 
+asmlinkage long sys_link(const char *oldname, const char *newname)
+{
+	struct nameidata old_nd;
+	int error;
+
+	error = __user_walk(oldname, 0, &old_nd);
+	if (!error) {
+		error = link_common(old_nd.mnt, old_nd.dentry, newname);
+		path_release(&old_nd);
+	}
+	return error;
+}
+
+asmlinkage long sys_flink(unsigned int fd, const char *newname)
+{
+	struct file *file;
+	int error = -EBADF;
+
+	file = fget(fd);
+	if (file) {
+		error = link_common(file->f_vfsmnt, file->f_dentry, newname);
+		fput(file);
+	}
+	return error;
+}
+
 /*
  * The worst of all namespace operations - renaming directory. "Perverted"
  * doesn't even start to describe it. Somebody in UCB had a heck of a trip...
--- linux-2.5/include/asm-i386/unistd.h-flink	2003-02-19 21:41:59.000000000 -0800
+++ linux-2.5/include/asm-i386/unistd.h	2003-04-06 10:30:08.000000000 -0700
@@ -273,8 +273,9 @@
 #define __NR_clock_gettime	(__NR_timer_create+6)
 #define __NR_clock_getres	(__NR_timer_create+7)
 #define __NR_clock_nanosleep	(__NR_timer_create+8)
+#define __NR_flink		268
 
-#define NR_syscalls 268
+#define NR_syscalls 269
 
 /* user-visible error numbers are in the range -1 - -124: see <asm-i386/errno.h> */