diff options
Diffstat (limited to 'xlators/cluster/ec/src/ec.h')
| -rw-r--r-- | xlators/cluster/ec/src/ec.h | 72 |
1 files changed, 25 insertions, 47 deletions
diff --git a/xlators/cluster/ec/src/ec.h b/xlators/cluster/ec/src/ec.h index 3b29a2e7a93..6f6de6d5981 100644 --- a/xlators/cluster/ec/src/ec.h +++ b/xlators/cluster/ec/src/ec.h @@ -1,56 +1,34 @@ /* - Copyright (c) 2012 DataLab, s.l. <http://www.datalab.es> + Copyright (c) 2012-2014 DataLab, s.l. <http://www.datalab.es> + This file is part of GlusterFS. - This file is part of the cluster/ec translator for GlusterFS. - - The cluster/ec translator for GlusterFS is free software: you can - redistribute it and/or modify it under the terms of the GNU General - Public License as published by the Free Software Foundation, either - version 3 of the License, or (at your option) any later version. - - The cluster/ec translator for GlusterFS is distributed in the hope - that it will be useful, but WITHOUT ANY WARRANTY; without even the - implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - PURPOSE. See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the cluster/ec translator for GlusterFS. If not, see - <http://www.gnu.org/licenses/>. + 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 "xlator.h" -#include "timer.h" - -#define EC_XATTR_CONFIG "trusted.ec.config" -#define EC_XATTR_SIZE "trusted.ec.size" -#define EC_XATTR_VERSION "trusted.ec.version" - -struct _ec; -typedef struct _ec ec_t; - -struct _ec -{ - xlator_t * xl; - int32_t nodes; - int32_t bits_for_nodes; - int32_t fragments; - int32_t redundancy; - uint32_t fragment_size; - uint32_t stripe_size; - int32_t up; - uint32_t idx; - uint32_t xl_up_count; - uintptr_t xl_up; - uintptr_t node_mask; - xlator_t ** xl_list; - gf_lock_t lock; - gf_timer_t * timer; - struct mem_pool * fop_pool; - struct mem_pool * cbk_pool; - struct mem_pool * lock_pool; -}; +#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__ */ |