C++ (Cpp) lu_igif_inoの例

コード例 #1

int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
		  const struct lu_fid *fid, struct osd_inode_id *id,
		  enum oi_check_flags flags)
{
	if (unlikely(fid_is_last_id(fid)))
		return osd_obj_spec_lookup(info, osd, fid, id);

	if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
		return osd_obj_map_lookup(info, osd, fid, id);

	if (fid_is_fs_root(fid)) {
		osd_id_gen(id, osd_sb(osd)->s_root->d_inode->i_ino,
			   osd_sb(osd)->s_root->d_inode->i_generation);
		return 0;
	}

	if (unlikely(fid_is_acct(fid)))
		return osd_acct_obj_lookup(info, osd, fid, id);

	if (!osd->od_igif_inoi && fid_is_igif(fid)) {
		osd_id_gen(id, lu_igif_ino(fid), lu_igif_gen(fid));
		return 0;
	}

	return __osd_oi_lookup(info, osd, fid, id);
}

コード例 #2

ファイル: osd_oi.c プロジェクト: Keeper-of-the-Keys/Lustre

int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
		  const struct lu_fid *fid, struct osd_inode_id *id,
		  enum oi_check_flags flags)
{
	if (unlikely(fid_is_last_id(fid)))
		return osd_obj_spec_lookup(info, osd, fid, id);

	if (fid_is_on_ost(info, osd, fid, flags) || fid_is_llog(fid))
		return osd_obj_map_lookup(info, osd, fid, id);


	if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE)) {
		int rc;
		if (fid_is_fs_root(fid)) {
			osd_id_gen(id, osd_sb(osd)->s_root->d_inode->i_ino,
				   osd_sb(osd)->s_root->d_inode->i_generation);
			return 0;
		}
		if (unlikely(fid_is_acct(fid)))
			return osd_acct_obj_lookup(info, osd, fid, id);

		/* For other special FIDs, try OI first, then do spec lookup */
		rc = __osd_oi_lookup(info, osd, fid, id);
		if (rc == -ENOENT)
			return osd_obj_spec_lookup(info, osd, fid, id);
		return rc;
	}

	if (!osd->od_igif_inoi && fid_is_igif(fid)) {
		osd_id_gen(id, lu_igif_ino(fid), lu_igif_gen(fid));
		return 0;
	}

	return __osd_oi_lookup(info, osd, fid, id);
}

コード例 #3

ファイル: osd_igif.c プロジェクト: DCteam/lustre

void lu_igif_to_id(const struct lu_fid *fid, struct osd_inode_id *id)
{
        LASSERT(osd_fid_is_igif(fid));
        id->oii_ino = lu_igif_ino(fid);
        id->oii_gen = lu_igif_gen(fid);
}