diff options
Diffstat (limited to 'xlators/protocol/client/src/client-helpers.c')
| -rw-r--r-- | xlators/protocol/client/src/client-helpers.c | 964 |
1 files changed, 818 insertions, 146 deletions
diff --git a/xlators/protocol/client/src/client-helpers.c b/xlators/protocol/client/src/client-helpers.c index 2a12573e2bb..189dfddd021 100644 --- a/xlators/protocol/client/src/client-helpers.c +++ b/xlators/protocol/client/src/client-helpers.c @@ -1,227 +1,899 @@ /* - Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.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/>. + 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 _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - #include "client.h" -#include "fd.h" +#include <glusterfs/fd.h> +#include "client-messages.h" +#include "client-common.h" +#include <glusterfs/compat-errno.h> +#include <glusterfs/common-utils.h> + +int +client_fd_lk_list_empty(fd_lk_ctx_t *lk_ctx, gf_boolean_t try_lock) +{ + int ret = 1; + + if (!lk_ctx) { + ret = -1; + goto out; + } + + if (try_lock) { + ret = TRY_LOCK(&lk_ctx->lock); + if (ret != 0) { + ret = -1; + goto out; + } + } else { + LOCK(&lk_ctx->lock); + } + ret = list_empty(&lk_ctx->lk_list); + UNLOCK(&lk_ctx->lock); +out: + return ret; +} clnt_fd_ctx_t * -this_fd_del_ctx (fd_t *file, xlator_t *this) +this_fd_del_ctx(fd_t *file, xlator_t *this) { - int dict_ret = -1; - uint64_t ctxaddr = 0; + int dict_ret = -1; + uint64_t ctxaddr = 0; - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); + GF_VALIDATE_OR_GOTO("client", this, out); + GF_VALIDATE_OR_GOTO(this->name, file, out); - dict_ret = fd_ctx_del (file, this, &ctxaddr); + dict_ret = fd_ctx_del(file, this, &ctxaddr); - if (dict_ret < 0) { - ctxaddr = 0; - } + if (dict_ret < 0) { + ctxaddr = 0; + } out: - return (clnt_fd_ctx_t *)(unsigned long)ctxaddr; + return (clnt_fd_ctx_t *)(unsigned long)ctxaddr; } - clnt_fd_ctx_t * -this_fd_get_ctx (fd_t *file, xlator_t *this) +this_fd_get_ctx(fd_t *file, xlator_t *this) { - int dict_ret = -1; - uint64_t ctxaddr = 0; + int dict_ret = -1; + uint64_t ctxaddr = 0; - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); + GF_VALIDATE_OR_GOTO("client", this, out); + GF_VALIDATE_OR_GOTO(this->name, file, out); - dict_ret = fd_ctx_get (file, this, &ctxaddr); + dict_ret = fd_ctx_get(file, this, &ctxaddr); - if (dict_ret < 0) { - ctxaddr = 0; - } + if (dict_ret < 0) { + ctxaddr = 0; + } out: - return (clnt_fd_ctx_t *)(unsigned long)ctxaddr; + return (clnt_fd_ctx_t *)(unsigned long)ctxaddr; } - void -this_fd_set_ctx (fd_t *file, xlator_t *this, loc_t *loc, clnt_fd_ctx_t *ctx) -{ - uint64_t oldaddr = 0; - int32_t ret = -1; - - GF_VALIDATE_OR_GOTO ("client", this, out); - GF_VALIDATE_OR_GOTO (this->name, file, out); - - ret = fd_ctx_get (file, this, &oldaddr); - if (ret >= 0) { - if (loc) - gf_log (this->name, GF_LOG_INFO, - "%s (%s): trying duplicate remote fd set. ", - loc->path, uuid_utoa (loc->inode->gfid)); - else - gf_log (this->name, GF_LOG_INFO, - "%p: trying duplicate remote fd set. ", file); +this_fd_set_ctx(fd_t *file, xlator_t *this, loc_t *loc, clnt_fd_ctx_t *ctx) +{ + uint64_t oldaddr = 0; + int32_t ret = -1; + + GF_VALIDATE_OR_GOTO("client", this, out); + GF_VALIDATE_OR_GOTO(this->name, file, out); + + ret = fd_ctx_get(file, this, &oldaddr); + if (ret >= 0) { + if (loc) + gf_smsg(this->name, GF_LOG_INFO, 0, PC_MSG_FD_DUPLICATE_TRY, + "path=%s", loc->path, "gfid=%s", + uuid_utoa(loc->inode->gfid), NULL); + else + gf_smsg(this->name, GF_LOG_INFO, 0, PC_MSG_FD_DUPLICATE_TRY, + "file=%p", file, NULL); + } + + ret = fd_ctx_set(file, this, (uint64_t)(unsigned long)ctx); + if (ret < 0) { + if (loc) + gf_smsg(this->name, GF_LOG_WARNING, 0, PC_MSG_FD_SET_FAIL, + "path=%s", loc->path, "gfid=%s", + uuid_utoa(loc->inode->gfid), NULL); + else + gf_smsg(this->name, GF_LOG_WARNING, 0, PC_MSG_FD_SET_FAIL, + "file=%p", file, NULL); + } +out: + return; +} + +int +client_local_wipe(clnt_local_t *local) +{ + if (local) { + loc_wipe(&local->loc); + loc_wipe(&local->loc2); + + if (local->fd) { + fd_unref(local->fd); } - ret = fd_ctx_set (file, this, (uint64_t)(unsigned long)ctx); - if (ret < 0) { - if (loc) - gf_log (this->name, GF_LOG_WARNING, - "%s (%s): failed to set remote fd", - loc->path, uuid_utoa (loc->inode->gfid)); - else - gf_log (this->name, GF_LOG_WARNING, - "%p: failed to set remote fd", file); + if (local->iobref) { + iobref_unref(local->iobref); } + + GF_FREE(local->name); + mem_put(local); + } + + return 0; +} +int +unserialize_rsp_dirent(xlator_t *this, struct gfs3_readdir_rsp *rsp, + gf_dirent_t *entries) +{ + struct gfs3_dirlist *trav = NULL; + gf_dirent_t *entry = NULL; + int entry_len = 0; + int ret = -1; + clnt_conf_t *conf = NULL; + + conf = this->private; + + trav = rsp->reply; + while (trav) { + entry_len = gf_dirent_size(trav->name); + entry = GF_CALLOC(1, entry_len, gf_common_mt_gf_dirent_t); + if (!entry) + goto out; + + entry->d_ino = trav->d_ino; + gf_itransform(this, trav->d_off, &entry->d_off, conf->client_id); + entry->d_len = trav->d_len; + entry->d_type = trav->d_type; + + strcpy(entry->d_name, trav->name); + + list_add_tail(&entry->list, &entries->list); + + trav = trav->nextentry; + } + + ret = 0; +out: + return ret; +} + +int +unserialize_rsp_direntp(xlator_t *this, fd_t *fd, struct gfs3_readdirp_rsp *rsp, + gf_dirent_t *entries) +{ + struct gfs3_dirplist *trav = NULL; + gf_dirent_t *entry = NULL; + inode_table_t *itable = NULL; + int entry_len = 0; + int ret = -1; + clnt_conf_t *conf = NULL; + + trav = rsp->reply; + + if (fd) + itable = fd->inode->table; + + conf = this->private; + if (!conf) + goto out; + + while (trav) { + entry_len = gf_dirent_size(trav->name); + entry = GF_CALLOC(1, entry_len, gf_common_mt_gf_dirent_t); + if (!entry) + goto out; + + entry->d_ino = trav->d_ino; + gf_itransform(this, trav->d_off, &entry->d_off, conf->client_id); + entry->d_len = trav->d_len; + entry->d_type = trav->d_type; + + gf_stat_to_iatt(&trav->stat, &entry->d_stat); + + strcpy(entry->d_name, trav->name); + + if (trav->dict.dict_val) { + entry->dict = dict_new(); + if (!entry->dict) + goto out; + + ret = dict_unserialize(trav->dict.dict_val, trav->dict.dict_len, + &entry->dict); + if (ret < 0) { + gf_smsg(THIS->name, GF_LOG_WARNING, EINVAL, + PC_MSG_DICT_UNSERIALIZE_FAIL, "xattr", NULL); + goto out; + } + } + + entry->inode = inode_find(itable, entry->d_stat.ia_gfid); + if (!entry->inode) + entry->inode = inode_new(itable); + + list_add_tail(&entry->list, &entries->list); + + trav = trav->nextentry; + entry = NULL; + } + + ret = 0; out: - return; + if (entry) + gf_dirent_entry_free(entry); + return ret; } +int +clnt_readdirp_rsp_cleanup(gfs3_readdirp_rsp *rsp) +{ + gfs3_dirplist *prev = NULL; + gfs3_dirplist *trav = NULL; + + trav = rsp->reply; + prev = trav; + while (trav) { + trav = trav->nextentry; + /* on client, the rpc lib allocates this */ + free(prev->dict.dict_val); + free(prev->name); + free(prev); + prev = trav; + } + + return 0; +} int -client_local_wipe (clnt_local_t *local) +unserialize_rsp_dirent_v2(xlator_t *this, struct gfx_readdir_rsp *rsp, + gf_dirent_t *entries) { - if (local) { - loc_wipe (&local->loc); + struct gfx_dirlist *trav = NULL; + gf_dirent_t *entry = NULL; + int entry_len = 0; + int ret = -1; + clnt_conf_t *conf = NULL; - if (local->fd) { - fd_unref (local->fd); - } + conf = this->private; - if (local->iobref) { - iobref_unref (local->iobref); - } + trav = rsp->reply; + while (trav) { + entry_len = gf_dirent_size(trav->name); + entry = GF_CALLOC(1, entry_len, gf_common_mt_gf_dirent_t); + if (!entry) + goto out; - GF_FREE (local); - } + entry->d_ino = trav->d_ino; + gf_itransform(this, trav->d_off, &entry->d_off, conf->client_id); + entry->d_len = trav->d_len; + entry->d_type = trav->d_type; + + strcpy(entry->d_name, trav->name); + + list_add_tail(&entry->list, &entries->list); + + trav = trav->nextentry; + } + + ret = 0; +out: + return ret; +} + +int +unserialize_rsp_direntp_v2(xlator_t *this, fd_t *fd, + struct gfx_readdirp_rsp *rsp, gf_dirent_t *entries) +{ + struct gfx_dirplist *trav = NULL; + gf_dirent_t *entry = NULL; + inode_table_t *itable = NULL; + int entry_len = 0; + int ret = -1; + clnt_conf_t *conf = NULL; + + trav = rsp->reply; + + if (fd) + itable = fd->inode->table; + + conf = this->private; + if (!conf) + goto out; - return 0; + while (trav) { + entry_len = gf_dirent_size(trav->name); + entry = GF_CALLOC(1, entry_len, gf_common_mt_gf_dirent_t); + if (!entry) + goto out; + + entry->d_ino = trav->d_ino; + gf_itransform(this, trav->d_off, &entry->d_off, conf->client_id); + entry->d_len = trav->d_len; + entry->d_type = trav->d_type; + + gfx_stat_to_iattx(&trav->stat, &entry->d_stat); + + strcpy(entry->d_name, trav->name); + + xdr_to_dict(&trav->dict, &entry->dict); + + entry->inode = inode_find(itable, entry->d_stat.ia_gfid); + if (!entry->inode) + entry->inode = inode_new(itable); + + list_add_tail(&entry->list, &entries->list); + + trav = trav->nextentry; + } + + ret = 0; +out: + return ret; } int -unserialize_rsp_dirent (struct gfs3_readdir_rsp *rsp, gf_dirent_t *entries) +clnt_readdirp_rsp_cleanup_v2(gfx_readdirp_rsp *rsp) { - struct gfs3_dirlist *trav = NULL; - gf_dirent_t *entry = NULL; - int entry_len = 0; - int ret = -1; + gfx_dirplist *prev = NULL; + gfx_dirplist *trav = NULL; + + trav = rsp->reply; + prev = trav; + while (trav) { + trav = trav->nextentry; + free(prev->name); + free(prev); + prev = trav; + } - trav = rsp->reply; - while (trav) { - entry_len = gf_dirent_size (trav->name); - entry = GF_CALLOC (1, entry_len, gf_common_mt_gf_dirent_t); - if (!entry) - goto out; + return 0; +} + +int +clnt_readdir_rsp_cleanup(gfs3_readdir_rsp *rsp) +{ + gfs3_dirlist *prev = NULL; + gfs3_dirlist *trav = NULL; + + trav = rsp->reply; + prev = trav; + while (trav) { + trav = trav->nextentry; + /* on client, the rpc lib allocates this */ + free(prev->name); + free(prev); + prev = trav; + } - entry->d_ino = trav->d_ino; - entry->d_off = trav->d_off; - entry->d_len = trav->d_len; - entry->d_type = trav->d_type; + return 0; +} - strcpy (entry->d_name, trav->name); +int +clnt_readdir_rsp_cleanup_v2(gfx_readdir_rsp *rsp) +{ + gfx_dirlist *prev = NULL; + gfx_dirlist *trav = NULL; + + trav = rsp->reply; + prev = trav; + while (trav) { + trav = trav->nextentry; + /* on client, the rpc lib allocates this */ + free(prev->name); + free(prev); + prev = trav; + } - list_add_tail (&entry->list, &entries->list); + return 0; +} - trav = trav->nextentry; +int +client_get_remote_fd(xlator_t *this, fd_t *fd, int flags, int64_t *remote_fd) +{ + clnt_fd_ctx_t *fdctx = NULL; + clnt_conf_t *conf = NULL; + gf_boolean_t locks_held = _gf_false; + + GF_VALIDATE_OR_GOTO(this->name, fd, out); + GF_VALIDATE_OR_GOTO(this->name, remote_fd, out); + + conf = this->private; + pthread_spin_lock(&conf->fd_lock); + { + fdctx = this_fd_get_ctx(fd, this); + if (!fdctx) { + if (fd->anonymous) { + *remote_fd = GF_ANON_FD_NO; + } else { + *remote_fd = -1; + gf_msg_debug(this->name, EBADF, "not a valid fd for gfid: %s", + uuid_utoa(fd->inode->gfid)); + } + } else { + if (__is_fd_reopen_in_progress(fdctx)) + *remote_fd = -1; + else + *remote_fd = fdctx->remote_fd; + + locks_held = !list_empty(&fdctx->lock_list); } + } + pthread_spin_unlock(&conf->fd_lock); + + if ((flags & FALLBACK_TO_ANON_FD) && (*remote_fd == -1) && (!locks_held)) + *remote_fd = GF_ANON_FD_NO; + + return 0; +out: + return -1; +} + +gf_boolean_t +client_is_reopen_needed(fd_t *fd, xlator_t *this, int64_t remote_fd) +{ + clnt_conf_t *conf = NULL; + clnt_fd_ctx_t *fdctx = NULL; + gf_boolean_t res = _gf_false; + + conf = this->private; + pthread_spin_lock(&conf->fd_lock); + { + fdctx = this_fd_get_ctx(fd, this); + if (fdctx && (fdctx->remote_fd == -1) && (remote_fd == GF_ANON_FD_NO)) + res = _gf_true; + } + pthread_spin_unlock(&conf->fd_lock); + + return res; +} + +int +client_fd_fop_prepare_local(call_frame_t *frame, fd_t *fd, int64_t remote_fd) +{ + xlator_t *this = NULL; + clnt_local_t *local = NULL; + int ret = 0; + + if (!frame || !fd) { + ret = -EINVAL; + goto out; + } + + this = frame->this; + + frame->local = mem_get0(this->local_pool); + if (frame->local == NULL) { + ret = -ENOMEM; + goto out; + } - ret = 0; + local = frame->local; + local->fd = fd_ref(fd); + local->attempt_reopen = client_is_reopen_needed(fd, this, remote_fd); + + return 0; out: - return ret; + return ret; +} + +void +clnt_getactivelk_rsp_cleanup(gfs3_getactivelk_rsp *rsp) +{ + gfs3_locklist *trav = NULL; + gfs3_locklist *next = NULL; + + trav = rsp->reply; + + while (trav) { + next = trav->nextentry; + free(trav->client_uid); + free(trav); + trav = next; + } } +void +clnt_getactivelk_rsp_cleanup_v2(gfx_getactivelk_rsp *rsp) +{ + gfs3_locklist *trav = NULL; + gfs3_locklist *next = NULL; + + trav = rsp->reply; + + while (trav) { + next = trav->nextentry; + free(trav->client_uid); + free(trav); + trav = next; + } +} int -unserialize_rsp_direntp (struct gfs3_readdirp_rsp *rsp, gf_dirent_t *entries) +clnt_unserialize_rsp_locklist(xlator_t *this, struct gfs3_getactivelk_rsp *rsp, + lock_migration_info_t *lmi) { - struct gfs3_dirplist *trav = NULL; - gf_dirent_t *entry = NULL; - int entry_len = 0; - int ret = -1; + struct gfs3_locklist *trav = NULL; + lock_migration_info_t *temp = NULL; + int ret = -1; + clnt_conf_t *conf = NULL; + + trav = rsp->reply; + + conf = this->private; + if (!conf) + goto out; + + while (trav) { + temp = GF_CALLOC(1, sizeof(*lmi), gf_common_mt_lock_mig); + if (temp == NULL) { + gf_smsg(this->name, GF_LOG_ERROR, 0, PC_MSG_NO_MEM, NULL); + goto out; + } - trav = rsp->reply; + INIT_LIST_HEAD(&temp->list); - while (trav) { - entry_len = gf_dirent_size (trav->name); - entry = GF_CALLOC (1, entry_len, gf_common_mt_gf_dirent_t); - if (!entry) - goto out; + gf_proto_flock_to_flock(&trav->flock, &temp->flock); - entry->d_ino = trav->d_ino; - entry->d_off = trav->d_off; - entry->d_len = trav->d_len; - entry->d_type = trav->d_type; + temp->lk_flags = trav->lk_flags; - gf_stat_to_iatt (&trav->stat, &entry->d_stat); + temp->client_uid = gf_strdup(trav->client_uid); - strcpy (entry->d_name, trav->name); + list_add_tail(&temp->list, &lmi->list); - list_add_tail (&entry->list, &entries->list); + trav = trav->nextentry; + } - trav = trav->nextentry; + ret = 0; +out: + return ret; +} +int +clnt_unserialize_rsp_locklist_v2(xlator_t *this, + struct gfx_getactivelk_rsp *rsp, + lock_migration_info_t *lmi) +{ + struct gfs3_locklist *trav = NULL; + lock_migration_info_t *temp = NULL; + int ret = -1; + clnt_conf_t *conf = NULL; + + trav = rsp->reply; + + conf = this->private; + if (!conf) + goto out; + + while (trav) { + temp = GF_CALLOC(1, sizeof(*lmi), gf_common_mt_lock_mig); + if (temp == NULL) { + gf_smsg(this->name, GF_LOG_ERROR, 0, PC_MSG_NO_MEM, NULL); + goto out; } - ret = 0; + INIT_LIST_HEAD(&temp->list); + + gf_proto_flock_to_flock(&trav->flock, &temp->flock); + + temp->lk_flags = trav->lk_flags; + + temp->client_uid = gf_strdup(trav->client_uid); + + list_add_tail(&temp->list, &lmi->list); + + trav = trav->nextentry; + } + + ret = 0; out: - return ret; + return ret; +} + +void +clnt_setactivelk_req_cleanup(gfs3_setactivelk_req *req) +{ + gfs3_locklist *trav = NULL; + gfs3_locklist *next = NULL; + + trav = req->request; + + while (trav) { + next = trav->nextentry; + GF_FREE(trav->client_uid); + GF_FREE(trav); + trav = next; + } +} + +void +clnt_setactivelk_req_cleanup_v2(gfx_setactivelk_req *req) +{ + gfs3_locklist *trav = NULL; + gfs3_locklist *next = NULL; + + trav = req->request; + + while (trav) { + next = trav->nextentry; + GF_FREE(trav->client_uid); + GF_FREE(trav); + trav = next; + } } int -clnt_readdirp_rsp_cleanup (gfs3_readdirp_rsp *rsp) +serialize_req_locklist(lock_migration_info_t *locklist, + gfs3_setactivelk_req *req) { - gfs3_dirplist *prev = NULL; - gfs3_dirplist *trav = NULL; + lock_migration_info_t *tmp = NULL; + gfs3_locklist *trav = NULL; + gfs3_locklist *prev = NULL; + int ret = -1; + + GF_VALIDATE_OR_GOTO("server", locklist, out); + GF_VALIDATE_OR_GOTO("server", req, out); + + list_for_each_entry(tmp, &locklist->list, list) + { + trav = GF_CALLOC(1, sizeof(*trav), gf_client_mt_clnt_lock_request_t); + if (!trav) + goto out; + + switch (tmp->flock.l_type) { + case F_RDLCK: + tmp->flock.l_type = GF_LK_F_RDLCK; + break; + case F_WRLCK: + tmp->flock.l_type = GF_LK_F_WRLCK; + break; + case F_UNLCK: + tmp->flock.l_type = GF_LK_F_UNLCK; + break; + + default: + gf_smsg(THIS->name, GF_LOG_ERROR, 0, PC_MSG_UNKNOWN_LOCK_TYPE, + "type=%" PRId32, tmp->flock.l_type, NULL); + break; + } - trav = rsp->reply; - prev = trav; - while (trav) { - trav = trav->nextentry; - /* on client, the rpc lib allocates this */ - free (prev->name); - free (prev); - prev = trav; + gf_proto_flock_from_flock(&trav->flock, &tmp->flock); + + trav->lk_flags = tmp->lk_flags; + + trav->client_uid = gf_strdup(tmp->client_uid); + if (!trav->client_uid) { + gf_smsg(THIS->name, GF_LOG_ERROR, 0, PC_MSG_CLIENT_UID_ALLOC_FAILED, + NULL); + ret = -1; + goto out; } - return 0; + if (prev) + prev->nextentry = trav; + else + req->request = trav; + + prev = trav; + trav = NULL; + } + + ret = 0; +out: + GF_FREE(trav); + + return ret; } int -clnt_readdir_rsp_cleanup (gfs3_readdir_rsp *rsp) +serialize_req_locklist_v2(lock_migration_info_t *locklist, + gfx_setactivelk_req *req) { - gfs3_dirlist *prev = NULL; - gfs3_dirlist *trav = NULL; + lock_migration_info_t *tmp = NULL; + gfs3_locklist *trav = NULL; + gfs3_locklist *prev = NULL; + int ret = -1; + + GF_VALIDATE_OR_GOTO("server", locklist, out); + GF_VALIDATE_OR_GOTO("server", req, out); + + list_for_each_entry(tmp, &locklist->list, list) + { + trav = GF_CALLOC(1, sizeof(*trav), gf_client_mt_clnt_lock_request_t); + if (!trav) + goto out; + + switch (tmp->flock.l_type) { + case F_RDLCK: + tmp->flock.l_type = GF_LK_F_RDLCK; + break; + case F_WRLCK: + tmp->flock.l_type = GF_LK_F_WRLCK; + break; + case F_UNLCK: + tmp->flock.l_type = GF_LK_F_UNLCK; + break; + + default: + gf_smsg(THIS->name, GF_LOG_ERROR, 0, PC_MSG_UNKNOWN_LOCK_TYPE, + "type=%" PRId32, tmp->flock.l_type, NULL); + break; + } - trav = rsp->reply; - prev = trav; - while (trav) { - trav = trav->nextentry; - /* on client, the rpc lib allocates this */ - free (prev->name); - free (prev); - prev = trav; + gf_proto_flock_from_flock(&trav->flock, &tmp->flock); + + trav->lk_flags = tmp->lk_flags; + + trav->client_uid = gf_strdup(tmp->client_uid); + if (!trav->client_uid) { + gf_smsg(THIS->name, GF_LOG_ERROR, 0, PC_MSG_CLIENT_UID_ALLOC_FAILED, + NULL); + ret = -1; + goto out; } - return 0; + if (prev) + prev->nextentry = trav; + else + req->request = trav; + + prev = trav; + trav = NULL; + } + + ret = 0; +out: + GF_FREE(trav); + + return ret; +} + +extern int +client3_3_releasedir_cbk(struct rpc_req *req, struct iovec *iov, int count, + void *myframe); +extern int +client3_3_release_cbk(struct rpc_req *req, struct iovec *iov, int count, + void *myframe); +extern int +client4_0_releasedir_cbk(struct rpc_req *req, struct iovec *iov, int count, + void *myframe); +extern int +client4_0_release_cbk(struct rpc_req *req, struct iovec *iov, int count, + void *myframe); + +static int +send_release4_0_over_wire(xlator_t *this, clnt_fd_ctx_t *fdctx, + call_frame_t *fr) +{ + clnt_conf_t *conf = NULL; + conf = (clnt_conf_t *)this->private; + if (fdctx->is_dir) { + gfx_releasedir_req req = { + { + 0, + }, + }; + memcpy(req.gfid, fdctx->gfid, 16); + req.fd = fdctx->remote_fd; + + gf_msg_trace(this->name, 0, "sending releasedir on fd"); + (void)client_submit_request( + this, &req, fr, conf->fops, GFS3_OP_RELEASEDIR, + client4_0_releasedir_cbk, NULL, (xdrproc_t)xdr_gfx_releasedir_req); + } else { + gfx_release_req req = { + { + 0, + }, + }; + memcpy(req.gfid, fdctx->gfid, 16); + req.fd = fdctx->remote_fd; + gf_msg_trace(this->name, 0, "sending release on fd"); + (void)client_submit_request(this, &req, fr, conf->fops, GFS3_OP_RELEASE, + client4_0_release_cbk, NULL, + (xdrproc_t)xdr_gfx_release_req); + } + + return 0; +} + +static int +send_release3_3_over_wire(xlator_t *this, clnt_fd_ctx_t *fdctx, + call_frame_t *fr) +{ + clnt_conf_t *conf = NULL; + conf = (clnt_conf_t *)this->private; + if (fdctx->is_dir) { + gfs3_releasedir_req req = { + { + 0, + }, + }; + memcpy(req.gfid, fdctx->gfid, 16); + req.fd = fdctx->remote_fd; + gf_msg_trace(this->name, 0, "sending releasedir on fd"); + (void)client_submit_request( + this, &req, fr, conf->fops, GFS3_OP_RELEASEDIR, + client3_3_releasedir_cbk, NULL, (xdrproc_t)xdr_gfs3_releasedir_req); + } else { + gfs3_release_req req = { + { + 0, + }, + }; + memcpy(req.gfid, fdctx->gfid, 16); + req.fd = fdctx->remote_fd; + gf_msg_trace(this->name, 0, "sending release on fd"); + (void)client_submit_request(this, &req, fr, conf->fops, GFS3_OP_RELEASE, + client3_3_release_cbk, NULL, + (xdrproc_t)xdr_gfs3_release_req); + } + + return 0; +} + +int +client_fdctx_destroy(xlator_t *this, clnt_fd_ctx_t *fdctx) +{ + clnt_conf_t *conf = NULL; + call_frame_t *fr = NULL; + int32_t ret = -1; + char parent_down = 0; + fd_lk_ctx_t *lk_ctx = NULL; + + GF_VALIDATE_OR_GOTO("client", this, out); + GF_VALIDATE_OR_GOTO(this->name, fdctx, out); + + conf = (clnt_conf_t *)this->private; + + if (fdctx->remote_fd == -1) { + gf_msg_debug(this->name, 0, "not a valid fd"); + goto out; + } + + pthread_mutex_lock(&conf->lock); + { + parent_down = conf->parent_down; + } + pthread_mutex_unlock(&conf->lock); + lk_ctx = fdctx->lk_ctx; + fdctx->lk_ctx = NULL; + + if (lk_ctx) + fd_lk_ctx_unref(lk_ctx); + + if (!parent_down) + rpc_clnt_ref(conf->rpc); + else + goto out; + + fr = create_frame(this, this->ctx->pool); + if (fr == NULL) { + goto out; + } + + ret = 0; + + if (conf->fops->progver == GLUSTER_FOP_VERSION) + send_release3_3_over_wire(this, fdctx, fr); + else + send_release4_0_over_wire(this, fdctx, fr); + + rpc_clnt_unref(conf->rpc); +out: + if (fdctx) { + fdctx->remote_fd = -1; + GF_FREE(fdctx); + } + + return ret; } |