diff options
Diffstat (limited to 'xlators/protocol/client/src/client.h')
| -rw-r--r-- | xlators/protocol/client/src/client.h | 84 |
1 files changed, 45 insertions, 39 deletions
diff --git a/xlators/protocol/client/src/client.h b/xlators/protocol/client/src/client.h index 1ca7b2e57..afab2d74f 100644 --- a/xlators/protocol/client/src/client.h +++ b/xlators/protocol/client/src/client.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2010-2011 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 _CLIENT_H @@ -43,27 +34,27 @@ typedef enum { GF_LK_HEAL_DONE, } lk_heal_state_t; -#define CLIENT_GET_REMOTE_FD(conf, fd, remote_fd, op_errno, label) \ +typedef enum { + DEFAULT_REMOTE_FD = 0, + FALLBACK_TO_ANON_FD = 1 +} clnt_remote_fd_flags_t; + +#define CLIENT_GET_REMOTE_FD(xl, fd, flags, remote_fd, op_errno, label) \ do { \ - clnt_fd_ctx_t *fdctx = NULL; \ - pthread_mutex_lock (&conf->lock); \ - { \ - fdctx = this_fd_get_ctx (fd, THIS); \ - } \ - pthread_mutex_unlock (&conf->lock); \ - if (!fdctx) { \ - remote_fd = -2; \ - } else { \ - remote_fd = fdctx->remote_fd; \ + int _ret = 0; \ + _ret = client_get_remote_fd (xl, fd, flags, &remote_fd);\ + if (_ret < 0) { \ + op_errno = errno; \ + goto label; \ } \ if (remote_fd == -1) { \ - gf_log (THIS->name, GF_LOG_WARNING, " (%s) " \ + gf_log (xl->name, GF_LOG_WARNING, " (%s) " \ "remote_fd is -1. EBADFD", \ uuid_utoa (fd->inode->gfid)); \ op_errno = EBADFD; \ goto label; \ } \ - } while (0); + } while (0) #define CLIENT_STACK_UNWIND(op, frame, params ...) do { \ clnt_local_t *__local = frame->local; \ @@ -102,6 +93,10 @@ typedef struct clnt_conf { which was sent earlier */ char portmap_err_logged; /* flag used to prevent excessive logging */ + char disconnect_err_logged; /* flag used to prevent + excessive disconnect + logging */ + char need_different_port; /* flag used to change the portmap path in case of 'tcp,rdma' on server */ @@ -109,7 +104,7 @@ typedef struct clnt_conf { uint16_t lk_version; /* this variable is used to distinguish client-server transaction while performing lock healing */ - struct timeval grace_tv; + struct timespec grace_ts; gf_timer_t *grace_timer; gf_boolean_t grace_timer_needed; /* The state of this flag will be used to decide whether @@ -118,6 +113,13 @@ typedef struct clnt_conf { means dont register, true means register */ char parent_down; + gf_boolean_t quick_reconnect; /* When reconnecting after + portmap query, do not let + the reconnection happen after + the usual 3-second wait + */ + gf_boolean_t filter_o_direct; /* if set, filter O_DIRECT from + the flags list of open() */ } clnt_conf_t; typedef struct _client_fd_ctx { @@ -125,17 +127,16 @@ typedef struct _client_fd_ctx { fd's position in the saved_fds list. */ int64_t remote_fd; - inode_t *inode; - uint64_t ino; - uint64_t gen; char is_dir; char released; int32_t flags; - int32_t wbflags; fd_lk_ctx_t *lk_ctx; pthread_mutex_t mutex; lk_heal_state_t lk_heal_state; + uuid_t gfid; + void (*reopen_done) (struct _client_fd_ctx*, xlator_t *); struct list_head lock_list; /* List of all granted locks on this fd */ + int32_t reopen_attempts; } clnt_fd_ctx_t; typedef struct _client_posix_lock { @@ -156,7 +157,6 @@ typedef struct client_local { fd_t *fd; clnt_fd_ctx_t *fdctx; uint32_t flags; - uint32_t wbflags; struct iobref *iobref; client_posix_lock_t *client_lock; @@ -164,6 +164,8 @@ typedef struct client_local { int32_t cmd; struct list_head lock_list; pthread_mutex_t mutex; + char *name; + gf_boolean_t attempt_reopen; } clnt_local_t; typedef struct client_args { @@ -215,9 +217,6 @@ int client_submit_request (xlator_t *this, void *req, struct iovec *rsp_payload, int rsp_count, struct iobref *rsp_iobref, xdrproc_t xdrproc); -int protocol_client_reopendir (xlator_t *this, clnt_fd_ctx_t *fdctx); -int protocol_client_reopen (xlator_t *this, clnt_fd_ctx_t *fdctx); - int unserialize_rsp_dirent (struct gfs3_readdir_rsp *rsp, gf_dirent_t *entries); int unserialize_rsp_direntp (xlator_t *this, fd_t *fd, struct gfs3_readdirp_rsp *rsp, gf_dirent_t *entries); @@ -228,7 +227,6 @@ int client_attempt_lock_recovery (xlator_t *this, clnt_fd_ctx_t *fdctx); int32_t delete_granted_locks_owner (fd_t *fd, gf_lkowner_t *owner); int client_add_lock_for_recovery (fd_t *fd, struct gf_flock *flock, gf_lkowner_t *owner, int32_t cmd); -uint64_t decrement_reopen_fd_count (xlator_t *this, clnt_conf_t *conf); int32_t delete_granted_locks_fd (clnt_fd_ctx_t *fdctx); int32_t client_cmd_to_gf_cmd (int32_t cmd, int32_t *gf_cmd); void client_save_number_fds (clnt_conf_t *conf, int count); @@ -248,4 +246,12 @@ int client_mark_fd_bad (xlator_t *this); int client_set_lk_version (xlator_t *this); int client_fd_lk_list_empty (fd_lk_ctx_t *lk_ctx, gf_boolean_t use_try_lock); +void client_default_reopen_done (clnt_fd_ctx_t *fdctx, xlator_t *this); +void client_attempt_reopen (fd_t *fd, xlator_t *this); +int client_get_remote_fd (xlator_t *this, fd_t *fd, int flags, + int64_t *remote_fd); +int client_fd_fop_prepare_local (call_frame_t *frame, fd_t *fd, + int64_t remote_fd); +gf_boolean_t +__is_fd_reopen_in_progress (clnt_fd_ctx_t *fdctx); #endif /* !_CLIENT_H */ |