diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec.h')
| -rw-r--r-- | xlators/cluster/ec/src/ec.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec.h b/xlators/cluster/ec/src/ec.h new file mode 100644 index 00000000000..6f6de6d5981 --- /dev/null +++ b/xlators/cluster/ec/src/ec.h @@ -0,0 +1,34 @@ +/* + Copyright (c) 2012-2014 DataLab, s.l. <http://www.datalab.es> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef __EC_H__ +#define __EC_H__ + +#include "ec-method.h" + +#define EC_XATTR_PREFIX "trusted.ec." +#define EC_XATTR_CONFIG EC_XATTR_PREFIX "config" +#define EC_XATTR_SIZE EC_XATTR_PREFIX "size" +#define EC_XATTR_VERSION EC_XATTR_PREFIX "version" +#define EC_XATTR_HEAL EC_XATTR_PREFIX "heal" +#define EC_XATTR_HEAL_NEW EC_XATTR_PREFIX "heal-new" +#define EC_XATTR_DIRTY EC_XATTR_PREFIX "dirty" +#define EC_STRIPE_CACHE_MAX_SIZE 10 +#define EC_VERSION_SIZE 2 +#define EC_SHD_INODE_LRU_LIMIT 10 + +#define EC_MAX_FRAGMENTS EC_METHOD_MAX_FRAGMENTS +/* The maximum number of nodes is derived from the maximum allowed fragments + * using the rule that redundancy cannot be equal or greater than the number + * of fragments. + */ +#define EC_MAX_NODES min(EC_MAX_FRAGMENTS * 2 - 1, EC_METHOD_MAX_NODES) + +#endif /* __EC_H__ */ |