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-rw-r--r--fs/efs/namei.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index ed4a207fe22a..5276b19423c1 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -75,6 +75,38 @@ struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct namei
75 return NULL; 75 return NULL;
76} 76}
77 77
78struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp)
79{
80 __u32 *objp = vobjp;
81 unsigned long ino = objp[0];
82 __u32 generation = objp[1];
83 struct inode *inode;
84 struct dentry *result;
85
86 if (ino == 0)
87 return ERR_PTR(-ESTALE);
88 inode = iget(sb, ino);
89 if (inode == NULL)
90 return ERR_PTR(-ENOMEM);
91
92 if (is_bad_inode(inode) ||
93 (generation && inode->i_generation != generation)) {
94 result = ERR_PTR(-ESTALE);
95 goto out_iput;
96 }
97
98 result = d_alloc_anon(inode);
99 if (!result) {
100 result = ERR_PTR(-ENOMEM);
101 goto out_iput;
102 }
103 return result;
104
105 out_iput:
106 iput(inode);
107 return result;
108}
109
78struct dentry *efs_get_parent(struct dentry *child) 110struct dentry *efs_get_parent(struct dentry *child)
79{ 111{
80 struct dentry *parent; 112 struct dentry *parent;