diff options
Diffstat (limited to 'xlators/features/marker/src/marker-quota.h')
| -rw-r--r-- | xlators/features/marker/src/marker-quota.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/xlators/features/marker/src/marker-quota.h b/xlators/features/marker/src/marker-quota.h new file mode 100644 index 000000000..385760ac4 --- /dev/null +++ b/xlators/features/marker/src/marker-quota.h @@ -0,0 +1,130 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + 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 _MARKER_QUOTA_H +#define _MARKER_QUOTA_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "xlator.h" +#include "marker-mem-types.h" + +#define QUOTA_XATTR_PREFIX "trusted.glusterfs" +#define QUOTA_DIRTY_KEY "trusted.glusterfs.quota.dirty" + +#define CONTRIBUTION "contri" +#define CONTRI_KEY_MAX 512 +#define READDIR_BUF 4096 + + +#define QUOTA_STACK_DESTROY(_frame, _this) \ + do { \ + quota_local_t *_local = NULL; \ + _local = _frame->local; \ + _frame->local = NULL; \ + STACK_DESTROY (_frame->root); \ + mq_local_unref (_this, _local); \ + } while (0) + + +#define QUOTA_ALLOC(var, type, ret) \ + do { \ + ret = 0; \ + var = GF_CALLOC (sizeof (type), 1, \ + gf_marker_mt_##type); \ + if (!var) { \ + gf_log ("", GF_LOG_ERROR, \ + "out of memory"); \ + ret = -1; \ + } \ + } while (0); + +#define QUOTA_ALLOC_OR_GOTO(var, type, ret, label) \ + do { \ + var = GF_CALLOC (sizeof (type), 1, \ + gf_marker_mt_##type); \ + if (!var) { \ + gf_log ("", GF_LOG_ERROR, \ + "out of memory"); \ + ret = -1; \ + goto label; \ + } \ + ret = 0; \ + } while (0); + +#define GET_CONTRI_KEY(var, _gfid, _ret) \ + do { \ + char _gfid_unparsed[40]; \ + uuid_unparse (_gfid, _gfid_unparsed); \ + _ret = snprintf (var, CONTRI_KEY_MAX, QUOTA_XATTR_PREFIX \ + ".%s.%s." CONTRIBUTION, "quota", \ + _gfid_unparsed); \ + } while (0); + +#define QUOTA_SAFE_INCREMENT(lock, var) \ + do { \ + LOCK (lock); \ + var ++; \ + UNLOCK (lock); \ + } while (0) + +struct quota_inode_ctx { + int64_t size; + int8_t dirty; + gf_boolean_t updation_status; + gf_lock_t lock; + struct list_head contribution_head; +}; +typedef struct quota_inode_ctx quota_inode_ctx_t; + +struct inode_contribution { + struct list_head contri_list; + int64_t contribution; + uuid_t gfid; + gf_lock_t lock; +}; +typedef struct inode_contribution inode_contribution_t; + +int32_t +mq_get_lock_on_parent (call_frame_t *, xlator_t *); + +int32_t +mq_req_xattr (xlator_t *, loc_t *, dict_t *); + +int32_t +init_quota_priv (xlator_t *); + +int32_t +mq_xattr_state (xlator_t *, loc_t *, dict_t *, struct iatt); + +int32_t +mq_set_inode_xattr (xlator_t *, loc_t *); + +int +mq_initiate_quota_txn (xlator_t *, loc_t *); + +int32_t +mq_dirty_inode_readdir (call_frame_t *, void *, xlator_t *, + int32_t, int32_t, fd_t *, dict_t *); + +int32_t +mq_reduce_parent_size (xlator_t *, loc_t *, int64_t); + +int32_t +mq_rename_update_newpath (xlator_t *, loc_t *); + +int32_t +mq_inspect_file_xattr (xlator_t *this, loc_t *loc, dict_t *dict, struct iatt buf); + +int32_t +mq_forget (xlator_t *, quota_inode_ctx_t *); +#endif |