diff options
Diffstat (limited to 'libglusterfs/src/glusterfs.h')
| -rw-r--r-- | libglusterfs/src/glusterfs.h | 234 |
1 files changed, 143 insertions, 91 deletions
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h index 3e8567fce..2f1e12ee7 100644 --- a/libglusterfs/src/glusterfs.h +++ b/libglusterfs/src/glusterfs.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2006-2011 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/>. + 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 _GLUSTERFS_H @@ -41,16 +32,23 @@ #include <arpa/inet.h> #include <sys/poll.h> #include <pthread.h> +#include <limits.h> /* For PATH_MAX */ #include "list.h" #include "logging.h" +#include "lkowner.h" #define GF_YES 1 #define GF_NO 0 #ifndef O_LARGEFILE /* savannah bug #20053, patch for compiling on darwin */ -#define O_LARGEFILE 0 +#define O_LARGEFILE 0100000 /* from bits/fcntl.h */ +#endif + +#ifndef O_FMODE_EXEC +/* redhat bug 843080, added from linux/fs.h */ +#define O_FMODE_EXEC 040 //0x20 #endif #ifndef O_DIRECT @@ -72,40 +70,61 @@ #define FNM_EXTMATCH 0 #endif +#define GLUSTERD_MAX_SNAP_NAME 256 #define ZR_MOUNTPOINT_OPT "mountpoint" #define ZR_ATTR_TIMEOUT_OPT "attribute-timeout" #define ZR_ENTRY_TIMEOUT_OPT "entry-timeout" +#define ZR_NEGATIVE_TIMEOUT_OPT "negative-timeout" #define ZR_DIRECT_IO_OPT "direct-io-mode" #define ZR_STRICT_VOLFILE_CHECK "strict-volfile-check" #define ZR_DUMP_FUSE "dump-fuse" +#define ZR_FUSE_MOUNTOPTS "fuse-mountopts" #define GF_XATTR_CLRLK_CMD "glusterfs.clrlk" #define GF_XATTR_PATHINFO_KEY "trusted.glusterfs.pathinfo" #define GF_XATTR_NODE_UUID_KEY "trusted.glusterfs.node-uuid" +#define GF_XATTR_VOL_ID_KEY "trusted.glusterfs.volume-id" +#define GF_XATTR_LOCKINFO_KEY "trusted.glusterfs.lockinfo" +#define GF_XATTR_GET_REAL_FILENAME_KEY "user.glusterfs.get_real_filename:" + +#define GF_READDIR_SKIP_DIRS "readdir-filter-directories" + +#define BD_XATTR_KEY "user.glusterfs" #define XATTR_IS_PATHINFO(x) (strncmp (x, GF_XATTR_PATHINFO_KEY, \ strlen (GF_XATTR_PATHINFO_KEY)) == 0) #define XATTR_IS_NODE_UUID(x) (strncmp (x, GF_XATTR_NODE_UUID_KEY, \ strlen (GF_XATTR_NODE_UUID_KEY)) == 0) +#define XATTR_IS_LOCKINFO(x) (strncmp (x, GF_XATTR_LOCKINFO_KEY, \ + strlen (GF_XATTR_LOCKINFO_KEY)) == 0) + +#define XATTR_IS_BD(x) (strncmp (x, BD_XATTR_KEY, strlen (BD_XATTR_KEY)) == 0) #define GF_XATTR_LINKINFO_KEY "trusted.distribute.linkinfo" -#define GFID_XATTR_KEY "trusted.gfid" +#define GFID_XATTR_KEY "trusted.gfid" +#define VIRTUAL_GFID_XATTR_KEY_STR "glusterfs.gfid.string" +#define VIRTUAL_GFID_XATTR_KEY "glusterfs.gfid" +#define UUID_CANONICAL_FORM_LEN 36 #define GLUSTERFS_INTERNAL_FOP_KEY "glusterfs-internal-fop" #define ZR_FILE_CONTENT_STR "glusterfs.file." #define ZR_FILE_CONTENT_STRLEN 15 +#define GLUSTERFS_WRITE_IS_APPEND "glusterfs.write-is-append" #define GLUSTERFS_OPEN_FD_COUNT "glusterfs.open-fd-count" #define GLUSTERFS_INODELK_COUNT "glusterfs.inodelk-count" #define GLUSTERFS_ENTRYLK_COUNT "glusterfs.entrylk-count" #define GLUSTERFS_POSIXLK_COUNT "glusterfs.posixlk-count" #define GLUSTERFS_PARENT_ENTRYLK "glusterfs.parent-entrylk" +#define GLUSTERFS_INODELK_DOM_COUNT "glusterfs.inodelk-dom-count" #define QUOTA_SIZE_KEY "trusted.glusterfs.quota.size" #define GFID_TO_PATH_KEY "glusterfs.gfid2path" +#define GF_XATTR_STIME_PATTERN "trusted.glusterfs.*.stime" /* Index xlator related */ #define GF_XATTROP_INDEX_GFID "glusterfs.xattrop_index_gfid" +#define GF_BASE_INDICES_HOLDER_GFID "glusterfs.base_indicies_holder_gfid" #define GF_GFIDLESS_LOOKUP "gfidless-lookup" /* replace-brick and pump related internal xattrs */ @@ -115,9 +134,6 @@ #define RB_PUMP_CMD_ABORT "glusterfs.pump.abort" #define RB_PUMP_CMD_STATUS "glusterfs.pump.status" -#define POSIX_ACL_DEFAULT_XATTR "system.posix_acl_default" -#define POSIX_ACL_ACCESS_XATTR "system.posix_acl_access" - #define GLUSTERFS_RDMA_INLINE_THRESHOLD (2048) #define GLUSTERFS_RDMA_MAX_HEADER_SIZE (228) /* (sizeof (rdma_header_t) \ + RDMA_MAX_SEGMENTS \ @@ -127,13 +143,29 @@ #define GLUSTERFS_RPC_REPLY_SIZE 24 #define ZR_FILE_CONTENT_REQUEST(key) (!strncmp(key, ZR_FILE_CONTENT_STR, \ - ZR_FILE_CONTENT_STRLEN)) + ZR_FILE_CONTENT_STRLEN)) + +#define DEFAULT_VAR_RUN_DIRECTORY DATADIR "/run/gluster" +#define GF_REPLICATE_TRASH_DIR ".landfill" /* GlusterFS's maximum supported Auxilary GIDs */ /* TODO: Keeping it to 200, so that we can fit in 2KB buffer for auth data * in RPC server code, if there is ever need for having more aux-gids, then * we have to add aux-gid in payload of actors */ -#define GF_MAX_AUX_GROUPS 200 +#define GF_MAX_AUX_GROUPS 65536 + +#define GF_UUID_BUF_SIZE 50 + +#define GF_REBALANCE_TID_KEY "rebalance-id" +#define GF_REMOVE_BRICK_TID_KEY "remove-brick-id" +#define GF_REPLACE_BRICK_TID_KEY "replace-brick-id" + +#define UUID_CANONICAL_FORM_LEN 36 + +/* Adding this here instead of any glusterd*.h files as it is also required by + * cli + */ +#define DEFAULT_GLUSTERD_SOCKFILE DATADIR "/run/glusterd.socket" /* NOTE: add members ONLY at the end (just before _MAXVALUE) */ typedef enum { @@ -168,8 +200,8 @@ typedef enum { GF_FOP_READDIR, GF_FOP_INODELK, GF_FOP_FINODELK, - GF_FOP_ENTRYLK, - GF_FOP_FENTRYLK, + GF_FOP_ENTRYLK, + GF_FOP_FENTRYLK, GF_FOP_XATTROP, GF_FOP_FXATTROP, GF_FOP_FGETXATTR, @@ -183,6 +215,9 @@ typedef enum { GF_FOP_RELEASEDIR, GF_FOP_GETSPEC, GF_FOP_FREMOVEXATTR, + GF_FOP_FALLOCATE, + GF_FOP_DISCARD, + GF_FOP_ZEROFILL, GF_FOP_MAXVALUE, } glusterfs_fop_t; @@ -232,21 +267,23 @@ typedef enum { typedef enum { - ENTRYLK_LOCK, - ENTRYLK_UNLOCK, - ENTRYLK_LOCK_NB + ENTRYLK_LOCK, + ENTRYLK_UNLOCK, + ENTRYLK_LOCK_NB } entrylk_cmd; typedef enum { - ENTRYLK_RDLCK, - ENTRYLK_WRLCK + ENTRYLK_RDLCK, + ENTRYLK_WRLCK } entrylk_type; typedef enum { - GF_XATTROP_ADD_ARRAY, - GF_XATTROP_ADD_ARRAY64 + GF_XATTROP_ADD_ARRAY, + GF_XATTROP_ADD_ARRAY64, + GF_XATTROP_OR_ARRAY, + GF_XATTROP_AND_ARRAY } gf_xattrop_flags_t; @@ -255,68 +292,79 @@ typedef enum { #define GF_SET_DIR_ONLY 0x4 #define GF_SET_EPOCH_TIME 0x8 /* used by afr dir lookup selfheal */ -/* Directory into which replicate self-heal will move deleted files and - directories into. The storage/posix janitor thread will periodically - clean up this directory */ - -#define GF_REPLICATE_TRASH_DIR ".landfill" - /* key value which quick read uses to get small files in lookup cbk */ #define GF_CONTENT_KEY "glusterfs.content" struct _xlator_cmdline_option { - struct list_head cmd_args; - char *volume; - char *key; - char *value; + struct list_head cmd_args; + char *volume; + char *key; + char *value; }; typedef struct _xlator_cmdline_option xlator_cmdline_option_t; +struct _server_cmdline { + struct list_head list; + char *volfile_server; +}; +typedef struct _server_cmdline server_cmdline_t; #define GF_OPTION_ENABLE _gf_true #define GF_OPTION_DISABLE _gf_false #define GF_OPTION_DEFERRED 2 struct _cmd_args { - /* basic options */ - char *volfile_server; - char *volfile; - char *log_server; - gf_loglevel_t log_level; - char *log_file; + /* basic options */ + char *volfile_server; + server_cmdline_t *curr_server; + /* List of backup volfile servers, including original */ + struct list_head volfile_servers; + char *volfile; + char *log_server; + gf_loglevel_t log_level; + char *log_file; int32_t max_connect_attempts; - /* advanced options */ - uint32_t volfile_server_port; - char *volfile_server_transport; + /* advanced options */ + uint32_t volfile_server_port; + char *volfile_server_transport; uint32_t log_server_port; - char *pid_file; + char *pid_file; char *sock_file; - int no_daemon_mode; - char *run_id; - int debug_mode; + int no_daemon_mode; + char *run_id; + int debug_mode; int read_only; int acl; + int selinux; + int enable_ino32; int worm; int mac_compat; - struct list_head xlator_options; /* list of xlator_option_t */ - - /* fuse options */ - int fuse_direct_io_mode; + int fopen_keep_cache; + int gid_timeout; + int aux_gfid_mount; + struct list_head xlator_options; /* list of xlator_option_t */ + + /* fuse options */ + int fuse_direct_io_mode; + char *use_readdirp; int volfile_check; - double fuse_entry_timeout; - double fuse_attribute_timeout; - char *volume_name; - int fuse_nodev; - int fuse_nosuid; - char *dump_fuse; + double fuse_entry_timeout; + double fuse_negative_timeout; + double fuse_attribute_timeout; + char *volume_name; + int fuse_nodev; + int fuse_nosuid; + char *dump_fuse; pid_t client_pid; int client_pid_set; unsigned uid_map_root; + int background_qlen; + int congestion_threshold; + char *fuse_mountopts; - - /* key args */ - char *mount_point; - char *volfile_id; + /* key args */ + char *mount_point; + char *volfile_id; /* required for portmap */ int brick_port; @@ -341,17 +389,19 @@ struct _glusterfs_graph { typedef struct _glusterfs_graph glusterfs_graph_t; +typedef int32_t (*glusterfsd_mgmt_event_notify_fn_t) (int32_t event, void *data, + ...); struct _glusterfs_ctx { - cmd_args_t cmd_args; - char *process_uuid; - FILE *pidfp; - char fin; - void *timer; - void *ib; - void *pool; - void *event_pool; + cmd_args_t cmd_args; + char *process_uuid; + FILE *pidfp; + char fin; + void *timer; + void *ib; + struct call_pool *pool; + void *event_pool; void *iobuf_pool; - pthread_mutex_t lock; + pthread_mutex_t lock; size_t page_size; struct list_head graphs; /* double linked list of graphs - one per volfile parse */ glusterfs_graph_t *active; /* the latest graph in use */ @@ -365,28 +415,34 @@ struct _glusterfs_ctx { int graph_id; /* Incremented per graph, value should indicate how many times the graph has got changed */ - pid_t mtab_pid; /* pid of the process which updates the mtab */ + pid_t mnt_pid; /* pid of the mount agent */ int process_mode; /*mode in which process is runninng*/ - struct syncenv *env; /* The env pointer to the synctasks */ + struct syncenv *env; /* The env pointer to the synctasks */ struct list_head mempool_list; /* used to keep a global list of mempools, used to log details of mempool in statedump */ - char *statedump_path; + char *statedump_path; struct mem_pool *dict_pool; struct mem_pool *dict_pair_pool; struct mem_pool *dict_data_pool; - int mem_accounting; /* if value is other than 0, it - will be set */ + glusterfsd_mgmt_event_notify_fn_t notify; /* Used for xlators to make + call to fsd-mgmt */ + gf_log_handle_t log; /* all logging related variables */ + + int mem_acct_enable; + + int daemon_pipe[2]; + + struct client_disconnect *client_disconnect; + struct clienttable *clienttable; }; typedef struct _glusterfs_ctx glusterfs_ctx_t; +glusterfs_ctx_t *glusterfs_ctx_new (void); -/* If you edit this structure then, make a corresponding change in - * globals.c in the eventstring. - */ typedef enum { GF_EVENT_PARENT_UP = 1, GF_EVENT_POLLIN, @@ -405,12 +461,10 @@ typedef enum { GF_EVENT_AUTH_FAILED, GF_EVENT_VOLUME_DEFRAG, GF_EVENT_PARENT_DOWN, + GF_EVENT_VOLUME_BARRIER_OP, GF_EVENT_MAXVAL, } glusterfs_event_t; -/* gf_lkowner_t is defined in lkowner.h */ -#include "lkowner.h" - struct gf_flock { short l_type; short l_whence; @@ -420,8 +474,6 @@ struct gf_flock { gf_lkowner_t l_owner; }; -extern char *glusterfs_strevent (glusterfs_event_t ev); - #define GF_MUST_CHECK __attribute__((warn_unused_result)) /* * Some macros (e.g. ALLOC_OR_GOTO) set variables in function scope, but the |