diff options
Diffstat (limited to 'xlators/features/marker/src/marker-quota.h')
-rw-r--r-- | xlators/features/marker/src/marker-quota.h | 167 |
1 files changed, 167 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 00000000000..fdec1230fb8 --- /dev/null +++ b/xlators/features/marker/src/marker-quota.h @@ -0,0 +1,167 @@ +/*Copyright (c) 2008-2010 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + 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. + + 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 this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#ifndef _MARKER_QUOTA_H +#define _MARKER_QUOTA_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "marker.h" +#include "xlator.h" +#include "marker-mem-types.h" + +#define QUOTA_XATTR_PREFIX "trusted.glusterfs" +#define CONTRIBUTION "contri" +#define VOL_NAME volname +#define CONTRI_KEY_MAX 512 +#define READDIR_BUF 4096 + +char volname [40]; + +#define QUOTA_STACK_DESTROY(_frame, _this) \ + do { \ + quota_local_t *_local = NULL; \ + _local = _frame->local; \ + _frame->local = NULL; \ + STACK_DESTROY (_frame->root); \ + quota_local_unref (_this, _local); \ + GF_FREE (_local); \ + } while (0) + + +#define QUOTA_ALLOC(var, type, ret) \ + do { \ + var = GF_CALLOC (sizeof (type), 1, \ + gf_marker_mt_##type); \ + if (!var) { \ + gf_log ("", GF_LOG_ERROR, \ + "out of memory"); \ + ret = -1; \ + } \ + ret = 0; \ + } 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, VOL_NAME, \ + _gfid_unparsed); \ + } while (0); + +#define QUOTA_SAFE_INCREMENT(lock, var) \ + do { \ + LOCK (lock); \ + var ++; \ + UNLOCK (lock); \ + } while (0) + +#define QUOTA_SAFE_DECREMENT(lock, var) \ + do { \ + LOCK (lock); \ + var --; \ + UNLOCK (lock); \ + } while (0) + + +struct quota_inode_ctx { + int64_t size; + int8_t dirty; + 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; +}; +typedef struct inode_contribution inode_contribution_t; + +struct quota_local { + int64_t delta; + int64_t d_off; + int32_t err; + int32_t ref; + int64_t sum; + int32_t hl_count; + int32_t dentry_child_count; + + fd_t *fd; + call_frame_t *frame; + gf_lock_t lock; + + loc_t loc; + loc_t parent_loc; + + quota_inode_ctx_t *ctx; + inode_contribution_t *contri; +}; +typedef struct quota_local quota_local_t; + +int32_t cn; + +int32_t +get_lock_on_parent (call_frame_t *, xlator_t *); + +int32_t +quota_req_xattr (xlator_t *, loc_t *, dict_t *); + +int32_t +init_quota_priv (xlator_t *); + +int32_t +quota_xattr_state (xlator_t *, loc_t *, dict_t *, struct iatt); + +int32_t +quota_set_inode_xattr (xlator_t *, loc_t *); + +int +initiate_quota_txn (xlator_t *, loc_t *); + +int32_t +quota_dirty_inode_readdir (call_frame_t *, void *, xlator_t *, + int32_t, int32_t, fd_t *); + +int32_t +reduce_parent_size (xlator_t *, loc_t *); + +int32_t +quota_rename_update_newpath (xlator_t *, loc_t *, inode_t *); + +int32_t +quota_forget (xlator_t *, quota_inode_ctx_t *); +#endif |