ceph: kill ceph_get_dentry_parent_inode()
use vfs helper dget_parent() instead
Signed-off-by: Yan, Zheng <zyan@redhat.com>
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index b9f50a3..c37820b 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -68,23 +68,6 @@
return 0;
}
-struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry)
-{
- struct inode *inode = NULL;
-
- if (!dentry)
- return NULL;
-
- spin_lock(&dentry->d_lock);
- if (!IS_ROOT(dentry)) {
- inode = d_inode(dentry->d_parent);
- ihold(inode);
- }
- spin_unlock(&dentry->d_lock);
- return inode;
-}
-
-
/*
* for readdir, we encode the directory frag and offset within that
* frag into f_pos.
@@ -1100,6 +1083,7 @@
static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags)
{
int valid = 0;
+ struct dentry *parent;
struct inode *dir;
if (flags & LOOKUP_RCU)
@@ -1108,7 +1092,8 @@
dout("d_revalidate %p '%pd' inode %p offset %lld\n", dentry,
dentry, d_inode(dentry), ceph_dentry(dentry)->offset);
- dir = ceph_get_dentry_parent_inode(dentry);
+ parent = dget_parent(dentry);
+ dir = d_inode(parent);
/* always trust cached snapped dentries, snapdir dentry */
if (ceph_snap(dir) != CEPH_NOSNAP) {
@@ -1132,7 +1117,8 @@
} else {
ceph_dir_clear_complete(dir);
}
- iput(dir);
+
+ dput(parent);
return valid;
}