Revert "ceph: keep reference to parent inode on ceph_dentry"

This reverts commit 97d79b403ef03f729883246208ef5d8a2ebc4d68.

This fails to account for d_parent changes due to rename or disconnected
dentries due to submounts or NFS reexports.

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index f0aef78..0bc68de 100644 (file)
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -60,7 +60,6 @@ int ceph_init_dentry(struct dentry *dentry)
        }
        di->dentry = dentry;
        di->lease_session = NULL;
-       di->parent_inode = igrab(dentry->d_parent->d_inode);
        dentry->d_fsdata = di;
        dentry->d_time = jiffies;
        ceph_dentry_lru_add(dentry);
@@ -1034,7 +1033,7 @@ static void ceph_dentry_release(struct dentry *dentry)
        u64 snapid = CEPH_NOSNAP;
 
        if (!IS_ROOT(dentry)) {
-               parent_inode = di->parent_inode;
+               parent_inode = dentry->d_parent->d_inode;
                if (parent_inode)
                        snapid = ceph_snap(parent_inode);
        }
@@ -1059,8 +1058,6 @@ static void ceph_dentry_release(struct dentry *dentry)
                kmem_cache_free(ceph_dentry_cachep, di);
                dentry->d_fsdata = NULL;
        }
-       if (parent_inode)
-               iput(parent_inode);
 }
 
 static int ceph_snapdir_d_revalidate(struct dentry *dentry,

diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 88fcaa2..20b907d 100644 (file)
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -207,7 +207,6 @@ struct ceph_dentry_info {
        struct dentry *dentry;
        u64 time;
        u64 offset;
-       struct inode *parent_inode;
 };
 
 struct ceph_inode_xattrs_info {