X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fptlrpc%2Fllog_server.c;h=a4ea3f1d80ec802745d565b5f4017e7700e12e6c;hp=d0b618b4c11bc5efa0d51fef1baed246df96627c;hb=801469af8c31afad1bd8aaa23b01bfc42abe45eb;hpb=c9842fdc5244e38593f0b12468e87f23853dba9f diff --git a/lustre/ptlrpc/llog_server.c b/lustre/ptlrpc/llog_server.c index d0b618b..a4ea3f1 100644 --- a/lustre/ptlrpc/llog_server.c +++ b/lustre/ptlrpc/llog_server.c @@ -1,37 +1,47 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2001-2003 Cluster File Systems, Inc. - * Author: Andreas Dilger + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of the Lustre file system, http://www.lustre.org - * Lustre is a trademark of Cluster File Systems, Inc. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. * - * You may have signed or agreed to another license before downloading - * this software. If so, you are bound by the terms and conditions - * of that agreement, and the following does not apply to you. See the - * LICENSE file included with this distribution for more information. + * This program 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 version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). * - * If you did not agree to a different license, then this copy of Lustre - * is open source software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf * - * In either case, Lustre 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 - * license text for more details. + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. * - * remote api for llog - server side + * GPL HEADER END + */ +/* + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, Whamcloud, Inc. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. + * + * lustre/ptlrpc/llog_server.c + * + * remote api for llog - server side * + * Author: Andreas Dilger */ #define DEBUG_SUBSYSTEM S_LOG -#ifndef EXPORT_SYMTAB -#define EXPORT_SYMTAB -#endif - #ifndef __KERNEL__ #include #endif @@ -39,24 +49,32 @@ #include #include #include -#include #include #if defined(__KERNEL__) && defined(LUSTRE_LOG_SERVER) +static int llog_origin_close(const struct lu_env *env, struct llog_handle *lgh) +{ + if (lgh->lgh_hdr != NULL && lgh->lgh_hdr->llh_flags & LLOG_F_IS_CAT) + return llog_cat_close(env, lgh); + else + return llog_close(env, lgh); +} -int llog_origin_handle_create(struct ptlrpc_request *req) +/* Only open is supported, no new llog can be created remotely */ +int llog_origin_handle_open(struct ptlrpc_request *req) { - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; - struct obd_device *disk_obd; - struct llog_handle *loghandle; - struct llogd_body *body; - struct lvfs_run_ctxt saved; - struct llog_logid *logid = NULL; - struct llog_ctxt *ctxt; - char *name = NULL; - int rc, rc2; - ENTRY; + struct obd_export *exp = req->rq_export; + struct obd_device *obd = exp->exp_obd; + struct obd_device *disk_obd; + struct lvfs_run_ctxt saved; + struct llog_handle *loghandle; + struct llogd_body *body; + struct llog_logid *logid = NULL; + struct llog_ctxt *ctxt; + char *name = NULL; + int rc; + + ENTRY; body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY); if (body == NULL) @@ -69,16 +87,20 @@ int llog_origin_handle_create(struct ptlrpc_request *req) name = req_capsule_client_get(&req->rq_pill, &RMF_NAME); if (name == NULL) RETURN(-EFAULT); - CDEBUG(D_INFO, "opening log %s\n", name); + CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name); } ctxt = llog_get_context(obd, body->lgd_ctxt_idx); - if (ctxt == NULL) - RETURN(-EINVAL); + if (ctxt == NULL) { + CDEBUG(D_WARNING, "%s: no ctxt. group=%p idx=%d name=%s\n", + obd->obd_name, &obd->obd_olg, body->lgd_ctxt_idx, name); + RETURN(-ENODEV); + } disk_obd = ctxt->loc_exp->exp_obd; push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - rc = llog_create(ctxt, &loghandle, logid, name); + rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, logid, + name, LLOG_OPEN_EXISTS); if (rc) GOTO(out_pop, rc); @@ -89,29 +111,26 @@ int llog_origin_handle_create(struct ptlrpc_request *req) body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY); body->lgd_logid = loghandle->lgh_id; + EXIT; out_close: - rc2 = llog_close(loghandle); - if (!rc) - rc = rc2; + llog_origin_close(req->rq_svc_thread->t_env, loghandle); out_pop: - pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - llog_ctxt_put(ctxt); - RETURN(rc); + pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); + llog_ctxt_put(ctxt); + return rc; } +EXPORT_SYMBOL(llog_origin_handle_open); int llog_origin_handle_destroy(struct ptlrpc_request *req) { - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; - struct obd_device *disk_obd; - struct llog_handle *loghandle; - struct llogd_body *body; - struct lvfs_run_ctxt saved; - struct llog_logid *logid = NULL; - struct llog_ctxt *ctxt; - __u32 flags; - int rc; - ENTRY; + struct obd_device *disk_obd; + struct lvfs_run_ctxt saved; + struct llogd_body *body; + struct llog_logid *logid = NULL; + struct llog_ctxt *ctxt; + int rc; + + ENTRY; body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY); if (body == NULL) @@ -120,45 +139,29 @@ int llog_origin_handle_destroy(struct ptlrpc_request *req) if (body->lgd_logid.lgl_oid > 0) logid = &body->lgd_logid; - ctxt = llog_get_context(obd, body->lgd_ctxt_idx); - if (ctxt == NULL) - RETURN(-EINVAL); + if (!(body->lgd_llh_flags & LLOG_F_IS_PLAIN)) + CERROR("%s: wrong llog flags %x\n", + req->rq_export->exp_obd->obd_name, body->lgd_llh_flags); - disk_obd = ctxt->loc_exp->exp_obd; - push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - - rc = llog_create(ctxt, &loghandle, logid, NULL); - if (rc) - GOTO(out_pop, rc); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - GOTO(out_close, rc = -ENOMEM); + ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx); + if (ctxt == NULL) + RETURN(-ENODEV); - body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY); - body->lgd_logid = loghandle->lgh_id; - flags = body->lgd_llh_flags; - rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL); - if (rc) - GOTO(out_close, rc); - rc = llog_destroy(loghandle); - if (rc) - GOTO(out_close, rc); - llog_free_handle(loghandle); + disk_obd = ctxt->loc_exp->exp_obd; + push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); -out_close: - if (rc) - llog_close(loghandle); -out_pop: - pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - llog_ctxt_put(ctxt); - RETURN(rc); + rc = req_capsule_server_pack(&req->rq_pill); + /* erase only if no error and logid is valid */ + if (rc == 0) + rc = llog_erase(req->rq_svc_thread->t_env, ctxt, logid, NULL); + pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); + llog_ctxt_put(ctxt); + RETURN(rc); } +EXPORT_SYMBOL(llog_origin_handle_destroy); int llog_origin_handle_next_block(struct ptlrpc_request *req) { - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; struct obd_device *disk_obd; struct llog_handle *loghandle; struct llogd_body *body; @@ -166,38 +169,30 @@ int llog_origin_handle_next_block(struct ptlrpc_request *req) struct lvfs_run_ctxt saved; struct llog_ctxt *ctxt; __u32 flags; - __u8 *buf; void *ptr; - int rc, rc2; + int rc; + ENTRY; body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY); if (body == NULL) RETURN(-EFAULT); - OBD_ALLOC(buf, LLOG_CHUNK_SIZE); - if (!buf) - RETURN(-ENOMEM); + ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx); + if (ctxt == NULL) + RETURN(-ENODEV); - ctxt = llog_get_context(obd, body->lgd_ctxt_idx); - if (ctxt == NULL) - GOTO(out_free, rc = -EINVAL); - disk_obd = ctxt->loc_exp->exp_obd; - push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - - rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL); - if (rc) - GOTO(out_pop, rc); + disk_obd = ctxt->loc_exp->exp_obd; + push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - flags = body->lgd_llh_flags; - rc = llog_init_handle(loghandle, flags, NULL); - if (rc) - GOTO(out_close, rc); + rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, + &body->lgd_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) + GOTO(out_pop, rc); - memset(buf, 0, LLOG_CHUNK_SIZE); - rc = llog_next_block(loghandle, &body->lgd_saved_index, - body->lgd_index, - &body->lgd_cur_offset, buf, LLOG_CHUNK_SIZE); + flags = body->lgd_llh_flags; + rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags, + NULL); if (rc) GOTO(out_close, rc); @@ -211,25 +206,23 @@ int llog_origin_handle_next_block(struct ptlrpc_request *req) *repbody = *body; ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA); - memcpy(ptr, buf, LLOG_CHUNK_SIZE); - + rc = llog_next_block(req->rq_svc_thread->t_env, loghandle, + &body->lgd_saved_index, body->lgd_index, + &body->lgd_cur_offset, ptr, LLOG_CHUNK_SIZE); + if (rc) + GOTO(out_close, rc); + EXIT; out_close: - rc2 = llog_close(loghandle); - if (!rc) - rc = rc2; - + llog_origin_close(req->rq_svc_thread->t_env, loghandle); out_pop: - pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - llog_ctxt_put(ctxt); -out_free: - OBD_FREE(buf, LLOG_CHUNK_SIZE); - RETURN(rc); + pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); + llog_ctxt_put(ctxt); + return rc; } +EXPORT_SYMBOL(llog_origin_handle_next_block); int llog_origin_handle_prev_block(struct ptlrpc_request *req) { - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; struct llog_handle *loghandle; struct llogd_body *body; struct llogd_body *repbody; @@ -237,36 +230,30 @@ int llog_origin_handle_prev_block(struct ptlrpc_request *req) struct lvfs_run_ctxt saved; struct llog_ctxt *ctxt; __u32 flags; - __u8 *buf; void *ptr; - int rc, rc2; + int rc; + ENTRY; body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY); if (body == NULL) RETURN(-EFAULT); - OBD_ALLOC(buf, LLOG_CHUNK_SIZE); - if (!buf) - RETURN(-ENOMEM); + ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx); + if (ctxt == NULL) + RETURN(-ENODEV); - ctxt = llog_get_context(obd, body->lgd_ctxt_idx); - LASSERT(ctxt != NULL); disk_obd = ctxt->loc_exp->exp_obd; push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL); - if (rc) - GOTO(out_pop, rc); + rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, + &body->lgd_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) + GOTO(out_pop, rc); - flags = body->lgd_llh_flags; - rc = llog_init_handle(loghandle, flags, NULL); - if (rc) - GOTO(out_close, rc); - - memset(buf, 0, LLOG_CHUNK_SIZE); - rc = llog_prev_block(loghandle, body->lgd_index, - buf, LLOG_CHUNK_SIZE); + flags = body->lgd_llh_flags; + rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags, + NULL); if (rc) GOTO(out_close, rc); @@ -280,24 +267,23 @@ int llog_origin_handle_prev_block(struct ptlrpc_request *req) *repbody = *body; ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA); - memcpy(ptr, buf, LLOG_CHUNK_SIZE); + rc = llog_prev_block(req->rq_svc_thread->t_env, loghandle, + body->lgd_index, ptr, LLOG_CHUNK_SIZE); + if (rc) + GOTO(out_close, rc); + EXIT; out_close: - rc2 = llog_close(loghandle); - if (!rc) - rc = rc2; - + llog_origin_close(req->rq_svc_thread->t_env, loghandle); out_pop: - pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - llog_ctxt_put(ctxt); - OBD_FREE(buf, LLOG_CHUNK_SIZE); - RETURN(rc); + pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); + llog_ctxt_put(ctxt); + return rc; } +EXPORT_SYMBOL(llog_origin_handle_prev_block); int llog_origin_handle_read_header(struct ptlrpc_request *req) { - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; struct obd_device *disk_obd; struct llog_handle *loghandle; struct llogd_body *body; @@ -305,28 +291,35 @@ int llog_origin_handle_read_header(struct ptlrpc_request *req) struct lvfs_run_ctxt saved; struct llog_ctxt *ctxt; __u32 flags; - int rc, rc2; + int rc; + ENTRY; body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY); if (body == NULL) RETURN(-EFAULT); - ctxt = llog_get_context(obd, body->lgd_ctxt_idx); - if (ctxt == NULL) - RETURN(-EINVAL); + ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx); + if (ctxt == NULL) + RETURN(-ENODEV); + disk_obd = ctxt->loc_exp->exp_obd; push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - rc = llog_create(ctxt, &loghandle, &body->lgd_logid, NULL); - if (rc) - GOTO(out_pop, rc); - - /* init_handle reads the header */ - flags = body->lgd_llh_flags; - rc = llog_init_handle(loghandle, flags, NULL); - if (rc) - GOTO(out_close, rc); + rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, + &body->lgd_logid, NULL, LLOG_OPEN_EXISTS); + if (rc) + GOTO(out_pop, rc); + + /* + * llog_init_handle() reads the llog header + */ + flags = body->lgd_llh_flags; + rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags, + NULL); + if (rc) + GOTO(out_close, rc); + flags = loghandle->lgh_hdr->llh_flags; rc = req_capsule_server_pack(&req->rq_pill); if (rc) @@ -334,33 +327,30 @@ int llog_origin_handle_read_header(struct ptlrpc_request *req) hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR); *hdr = *loghandle->lgh_hdr; - + EXIT; out_close: - rc2 = llog_close(loghandle); - if (!rc) - rc = rc2; + llog_origin_close(req->rq_svc_thread->t_env, loghandle); out_pop: - pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); - llog_ctxt_put(ctxt); - RETURN(rc); + pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); + llog_ctxt_put(ctxt); + return rc; } +EXPORT_SYMBOL(llog_origin_handle_read_header); int llog_origin_handle_close(struct ptlrpc_request *req) { - int rc; - - rc = 0; - - RETURN(rc); + ENTRY; + /* Nothing to do */ + RETURN(0); } +EXPORT_SYMBOL(llog_origin_handle_close); int llog_origin_handle_cancel(struct ptlrpc_request *req) { - struct obd_device *obd = req->rq_export->exp_obd; + int num_cookies, rc = 0, err, i, failed = 0; struct obd_device *disk_obd; struct llog_cookie *logcookies; struct llog_ctxt *ctxt = NULL; - int num_cookies, rc = 0, err, i; struct lvfs_run_ctxt saved; struct llog_handle *cathandle; struct inode *inode; @@ -371,15 +361,14 @@ int llog_origin_handle_cancel(struct ptlrpc_request *req) num_cookies = req_capsule_get_size(&req->rq_pill, &RMF_LOGCOOKIES, RCL_CLIENT) / sizeof(*logcookies); if (logcookies == NULL || num_cookies == 0) { - DEBUG_REQ(D_HA, req, "no cookies sent"); + DEBUG_REQ(D_HA, req, "No llog cookies sent"); RETURN(-EFAULT); } - ctxt = llog_get_context(obd, logcookies->lgc_subsys); - if (ctxt == NULL) { - CWARN("llog subsys not setup or already cleanup\n"); - RETURN(-ENOENT); - } + ctxt = llog_get_context(req->rq_export->exp_obd, + logcookies->lgc_subsys); + if (ctxt == NULL) + RETURN(-ENODEV); disk_obd = ctxt->loc_exp->exp_obd; push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); @@ -391,274 +380,56 @@ int llog_origin_handle_cancel(struct ptlrpc_request *req) handle = fsfilt_start_log(disk_obd, inode, FSFILT_OP_CANCEL_UNLINK, NULL, 1); if (IS_ERR(handle)) { - CERROR("fsfilt_start failed: %ld\n", PTR_ERR(handle)); + CERROR("fsfilt_start_log() failed: %ld\n", + PTR_ERR(handle)); GOTO(pop_ctxt, rc = PTR_ERR(handle)); } - rc = llog_cat_cancel_records(cathandle, 1, logcookies); + rc = llog_cat_cancel_records(req->rq_svc_thread->t_env, + cathandle, 1, logcookies); + + /* + * Do not raise -ENOENT errors for resent rpcs. This rec already + * might be killed. + */ + if (rc == -ENOENT && + (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT)) { + /* + * Do not change this message, reply-single.sh test_59b + * expects to find this in log. + */ + CDEBUG(D_RPCTRACE, "RESENT cancel req %p - ignored\n", + req); + rc = 0; + } else if (rc == 0) { + CDEBUG(D_RPCTRACE, "Canceled %d llog-records\n", + num_cookies); + } err = fsfilt_commit(disk_obd, inode, handle, 0); if (err) { - CERROR("error committing transaction: %d\n", err); + CERROR("Error committing transaction: %d\n", err); if (!rc) rc = err; + failed++; GOTO(pop_ctxt, rc); - } + } else if (rc) + failed++; } + GOTO(pop_ctxt, rc); pop_ctxt: pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL); if (rc) - CERROR("cancel %d llog-records failed: %d\n", num_cookies, rc); - else - CDEBUG(D_RPCTRACE, "cancel %d llog-records\n", num_cookies); - - llog_ctxt_put(ctxt); - RETURN(rc); -} -EXPORT_SYMBOL(llog_origin_handle_cancel); - -static int llog_catinfo_config(struct obd_device *obd, char *buf, int buf_len, - char *client) -{ - struct mds_obd *mds = &obd->u.mds; - struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT); - struct lvfs_run_ctxt saved; - struct llog_handle *handle = NULL; - char name[4][64]; - int rc, i, l, remains = buf_len; - char *out = buf; - - if (ctxt == NULL || mds == NULL) - GOTO(release_ctxt, rc = -EOPNOTSUPP); - - push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL); - - sprintf(name[0], "%s", mds->mds_profile); - sprintf(name[1], "%s-clean", mds->mds_profile); - sprintf(name[2], "%s", client); - sprintf(name[3], "%s-clean", client); - - for (i = 0; i < 4; i++) { - int index, uncanceled = 0; - rc = llog_create(ctxt, &handle, NULL, name[i]); - if (rc) - GOTO(out_pop, rc); - rc = llog_init_handle(handle, 0, NULL); - if (rc) { - llog_close(handle); - GOTO(out_pop, rc = -ENOENT); - } - - for (index = 1; index < (LLOG_BITMAP_BYTES * 8); index ++) { - if (ext2_test_bit(index, handle->lgh_hdr->llh_bitmap)) - uncanceled++; - } - - l = snprintf(out, remains, "[Log Name]: %s\nLog Size: %llu\n" - "Last Index: %d\nUncanceled Records: %d\n\n", - name[i], - i_size_read(handle->lgh_file->f_dentry->d_inode), - handle->lgh_last_idx, uncanceled); - out += l; - remains -= l; - - llog_close(handle); - if (remains <= 0) - break; - } -out_pop: - pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL); -release_ctxt: - llog_ctxt_put(ctxt); - RETURN(rc); -} - -struct cb_data { - struct llog_ctxt *ctxt; - char *out; - int remains; - int init; -}; - -static int llog_catinfo_cb(struct llog_handle *cat, - struct llog_rec_hdr *rec, void *data) -{ - static char *out = NULL; - static int remains = 0; - struct llog_ctxt *ctxt = NULL; - struct llog_handle *handle; - struct llog_logid *logid; - struct llog_logid_rec *lir; - int l, rc, index, count = 0; - struct cb_data *cbd = (struct cb_data*)data; - - if (cbd->init) { - out = cbd->out; - remains = cbd->remains; - cbd->init = 0; - } - - if (!(cat->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) - RETURN(-EINVAL); - - if (!cbd->ctxt) - RETURN(-EINVAL); - - lir = (struct llog_logid_rec *)rec; - logid = &lir->lid_id; - rc = llog_create(ctxt, &handle, logid, NULL); - if (rc) - RETURN(-EINVAL); - rc = llog_init_handle(handle, 0, NULL); - if (rc) - GOTO(out_close, rc); - - for (index = 1; index < (LLOG_BITMAP_BYTES * 8); index++) { - if (ext2_test_bit(index, handle->lgh_hdr->llh_bitmap)) - count++; - } - - l = snprintf(out, remains, "\t[Log ID]: #"LPX64"#"LPX64"#%08x\n" - "\tLog Size: %llu\n\tLast Index: %d\n" - "\tUncanceled Records: %d\n", - logid->lgl_oid, logid->lgl_ogr, logid->lgl_ogen, - i_size_read(handle->lgh_file->f_dentry->d_inode), - handle->lgh_last_idx, count); - out += l; - remains -= l; - cbd->out = out; - cbd->remains = remains; - if (remains <= 0) { - CWARN("Not enough memory\n"); - rc = -ENOMEM; - } - -out_close: - llog_close(handle); - RETURN(rc); -} - -static int llog_catinfo_deletions(struct obd_device *obd, char *buf, - int buf_len) -{ - struct mds_obd *mds = &obd->u.mds; - struct llog_handle *handle; - struct lvfs_run_ctxt saved; - int size, i, count; - struct llog_catid *idarray; - struct llog_logid *id; - char name[32] = CATLIST; - struct cb_data data; - struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT); - int rc; - - if (ctxt == NULL || mds == NULL) - GOTO(release_ctxt, rc = -EOPNOTSUPP); - - count = mds->mds_lov_desc.ld_tgt_count; - size = sizeof(*idarray) * count; - - OBD_ALLOC(idarray, size); - if (!idarray) - GOTO(release_ctxt, rc = -ENOMEM); - - rc = llog_get_cat_list(obd, obd, name, count, idarray); - if (rc) - GOTO(out_free, rc); - - push_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL); - - data.ctxt = ctxt; - data.out = buf; - data.remains = buf_len; - for (i = 0; i < count; i++) { - int l, index, uncanceled = 0; - - id = &idarray[i].lci_logid; - rc = llog_create(ctxt, &handle, id, NULL); - if (rc) - GOTO(out_pop, rc); - rc = llog_init_handle(handle, 0, NULL); - if (rc) { - llog_close(handle); - GOTO(out_pop, rc = -ENOENT); - } - for (index = 1; index < (LLOG_BITMAP_BYTES * 8); index++) { - if (ext2_test_bit(index, handle->lgh_hdr->llh_bitmap)) - uncanceled++; - } - l = snprintf(data.out, data.remains, - "\n[Catlog ID]: #"LPX64"#"LPX64"#%08x " - "[Log Count]: %d\n", - id->lgl_oid, id->lgl_ogr, id->lgl_ogen, - uncanceled); - - data.out += l; - data.remains -= l; - data.init = 1; - - llog_process(handle, llog_catinfo_cb, &data, NULL); - llog_close(handle); + CERROR("Cancel %d of %d llog-records failed: %d\n", + failed, num_cookies, rc); - if (data.remains <= 0) - break; - } -out_pop: - pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL); -out_free: - OBD_FREE(idarray, size); -release_ctxt: llog_ctxt_put(ctxt); - - RETURN(rc); -} - -int llog_catinfo(struct ptlrpc_request *req) -{ - struct obd_export *exp = req->rq_export; - struct obd_device *obd = exp->exp_obd; - char *keyword; - char *buf, *reply; - int rc; - - OBD_ALLOC(buf, LLOG_CHUNK_SIZE); - if (buf == NULL) - return -ENOMEM; - memset(buf, 0, LLOG_CHUNK_SIZE); - - keyword = req_capsule_client_get(&req->rq_pill, &RMF_NAME); - LASSERT(keyword); - - if (strcmp(keyword, "config") == 0) { - char *client = req_capsule_client_get(&req->rq_pill, - &RMF_STRING); - - LASSERT(client); - rc = llog_catinfo_config(obd, buf, LLOG_CHUNK_SIZE, client); - } else if (strcmp(keyword, "deletions") == 0) { - rc = llog_catinfo_deletions(obd, buf, LLOG_CHUNK_SIZE); - } else { - rc = -EOPNOTSUPP; - } - - req_capsule_set_size(&req->rq_pill, &RMF_STRING, RCL_SERVER, - LLOG_CHUNK_SIZE); - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - GOTO(out_free, rc = -ENOMEM); - - reply = req_capsule_server_get(&req->rq_pill, &RMF_STRING); - if (strlen(buf) == 0) - sprintf(buf, "%s", "No log informations\n"); - memcpy(reply, buf, LLOG_CHUNK_SIZE); - -out_free: - OBD_FREE(buf, LLOG_CHUNK_SIZE); return rc; } +EXPORT_SYMBOL(llog_origin_handle_cancel); #else /* !__KERNEL__ */ -int llog_origin_handle_create(struct ptlrpc_request *req) +int llog_origin_handle_open(struct ptlrpc_request *req) { LBUG(); return 0;