diff options
| -rw-r--r-- | fs/ceph/export.c | 42 |
1 files changed, 9 insertions, 33 deletions
diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 9c28b6abe885..eb66408ff236 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -181,48 +181,24 @@ struct dentry *ceph_get_parent(struct dentry *child) } /* - * get parent, if possible. - * - * FIXME: we could do better by querying the mds to discover the - * parent. + * convert regular fh to parent */ static struct dentry *ceph_fh_to_parent(struct super_block *sb, - struct fid *fid, + struct fid *fid, int fh_len, int fh_type) { struct ceph_nfs_confh *cfh = (void *)fid->raw; - struct ceph_vino vino; - struct inode *inode; struct dentry *dentry; - int err; - if (fh_type == 1) - return ERR_PTR(-ESTALE); + if (fh_type != FILEID_INO32_GEN_PARENT) + return NULL; if (fh_len < sizeof(*cfh) / 4) - return ERR_PTR(-ESTALE); - - pr_debug("fh_to_parent %llx/%d\n", cfh->parent_ino, - cfh->parent_name_hash); - - vino.ino = cfh->ino; - vino.snap = CEPH_NOSNAP; - inode = ceph_find_inode(sb, vino); - if (!inode) - return ERR_PTR(-ESTALE); + return NULL; - dentry = d_obtain_alias(inode); - if (IS_ERR(dentry)) { - pr_err("fh_to_parent %llx -- inode %p but ENOMEM\n", - cfh->ino, inode); - iput(inode); - return dentry; - } - err = ceph_init_dentry(dentry); - if (err < 0) { - iput(inode); - return ERR_PTR(err); - } - dout("fh_to_parent %llx %p dentry %p\n", cfh->ino, inode, dentry); + dout("fh_to_parent %llx\n", cfh->parent_ino); + dentry = __get_parent(sb, NULL, cfh->ino); + if (IS_ERR(dentry) && PTR_ERR(dentry) == -ENOENT) + dentry = __fh_to_dentry(sb, cfh->parent_ino); return dentry; } |