}
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);
u64 snapid = CEPH_NOSNAP;
if (!IS_ROOT(dentry)) {
- parent_inode = dentry->d_parent->d_inode;
+ parent_inode = di->parent_inode;
if (parent_inode)
snapid = ceph_snap(parent_inode);
}
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,
}
}
+/*
+ * Return name hash for a given dentry. This is dependent on
+ * the parent directory's hash function.
+ */
+unsigned ceph_dentry_hash(struct dentry *dn)
+{
+ struct inode *dir = dn->d_parent->d_inode;
+ struct ceph_inode_info *dci = ceph_inode(dir);
+
+ switch (dci->i_dir_layout.dl_dir_hash) {
+ case 0: /* for backward compat */
+ case CEPH_STR_HASH_LINUX:
+ return dn->d_name.hash;
+
+ default:
+ return ceph_str_hash(dci->i_dir_layout.dl_dir_hash,
+ dn->d_name.name, dn->d_name.len);
+ }
+}
+
const struct file_operations ceph_dir_fops = {
.read = ceph_read_dir,
.readdir = ceph_readdir,