From 05da08048226cefd2ecc5fe925002d3cf849c7dd Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sun, 21 Oct 2007 16:42:09 -0700
Subject: efs: new export ops

Trivial switch over to the new generic helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Neil Brown <neilb@suse.de>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/efs/namei.c | 36 ++++++++++++++++++++----------------
 fs/efs/super.c |  3 ++-
 2 files changed, 22 insertions(+), 17 deletions(-)

(limited to 'fs')

diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 5276b19423c1..f7f407075be1 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -10,6 +10,8 @@
 #include <linux/string.h>
 #include <linux/efs_fs.h>
 #include <linux/smp_lock.h>
+#include <linux/exportfs.h>
+
 
 static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len) {
 	struct buffer_head *bh;
@@ -75,13 +77,10 @@ struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct namei
 	return NULL;
 }
 
-struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp)
+static struct inode *efs_nfs_get_inode(struct super_block *sb, u64 ino,
+		u32 generation)
 {
-	__u32 *objp = vobjp;
-	unsigned long ino = objp[0];
-	__u32 generation = objp[1];
 	struct inode *inode;
-	struct dentry *result;
 
 	if (ino == 0)
 		return ERR_PTR(-ESTALE);
@@ -91,20 +90,25 @@ struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp)
 
 	if (is_bad_inode(inode) ||
 	    (generation && inode->i_generation != generation)) {
-	    	result = ERR_PTR(-ESTALE);
-		goto out_iput;
+		iput(inode);
+		return ERR_PTR(-ESTALE);
 	}
 
-	result = d_alloc_anon(inode);
-	if (!result) {
-		result = ERR_PTR(-ENOMEM);
-		goto out_iput;
-	}
-	return result;
+	return inode;
+}
 
- out_iput:
-	iput(inode);
-	return result;
+struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
+				    efs_nfs_get_inode);
+}
+
+struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
+		int fh_len, int fh_type)
+{
+	return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+				    efs_nfs_get_inode);
 }
 
 struct dentry *efs_get_parent(struct dentry *child)
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 25d0326c5f1c..d8ce21b82fba 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -114,7 +114,8 @@ static const struct super_operations efs_superblock_operations = {
 };
 
 static struct export_operations efs_export_ops = {
-	.get_dentry	= efs_get_dentry,
+	.fh_to_dentry	= efs_fh_to_dentry,
+	.fh_to_parent	= efs_fh_to_parent,
 	.get_parent	= efs_get_parent,
 };
 
-- 
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