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>
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 5276b19..f7f4070 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 @@
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 @@
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 25d0326..d8ce21b 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -114,7 +114,8 @@
};
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,
};