*
* 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
- *
- * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* 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.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_LOG
-#ifndef __KERNEL__
-#include <liblustre.h>
-#endif
-
#include <obd_class.h>
+#include <lu_target.h>
#include <lustre_log.h>
#include <lustre_net.h>
-#include <libcfs/list.h>
-#include <lustre_fsfilt.h>
-
-#if defined(__KERNEL__) && defined(LUSTRE_LOG_SERVER)
-int llog_origin_handle_create(struct ptlrpc_request *req)
+static int llog_origin_close(const struct lu_env *env, struct llog_handle *lgh)
{
- 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;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
-
- if (body->lgd_logid.lgl_oid > 0)
- logid = &body->lgd_logid;
-
- if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
- name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- if (name == NULL)
- RETURN(-EFAULT);
- CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name);
- }
-
- ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
- 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);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- body->lgd_logid = loghandle->lgh_id;
-
- GOTO(out_close, rc);
-out_close:
- rc2 = llog_close(loghandle);
- if (!rc)
- rc = rc2;
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
+ 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_destroy(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;
- int rc;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
-
- if (body->lgd_logid.lgl_oid > 0)
- logid = &body->lgd_logid;
-
- ctxt = llog_get_context(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, logid, NULL);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- body->lgd_logid = loghandle->lgh_id;
- 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);
- GOTO(out_close, rc);
-out_close:
- if (rc)
- llog_close(loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
+ struct obd_export *exp = req->rq_export;
+ struct obd_device *obd = exp->exp_obd;
+ 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)
+ RETURN(err_serious(-EFAULT));
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
+
+ if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
+ logid = &body->lgd_logid;
+
+ if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
+ name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ if (name == NULL)
+ RETURN(-EFAULT);
+ CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name);
+ }
+
+ if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
+ CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d name=%s\n",
+ obd->obd_name, body->lgd_ctxt_idx, name);
+ RETURN(-EPROTO);
+ }
+
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
+ 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);
+ }
+
+ rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, logid,
+ name, LLOG_OPEN_EXISTS);
+ if (rc)
+ GOTO(out_ctxt, rc);
+
+ body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ body->lgd_logid = loghandle->lgh_id;
+
+ llog_origin_close(req->rq_svc_thread->t_env, loghandle);
+ EXIT;
+out_ctxt:
+ llog_ctxt_put(ctxt);
+ return rc;
}
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;
- struct llogd_body *repbody;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- __u8 *buf;
- void *ptr;
- int rc, rc2;
- 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(obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- GOTO(out_free, rc = -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);
-
- 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_next_block(loghandle, &body->lgd_saved_index,
- body->lgd_index,
- &body->lgd_cur_offset, buf, LLOG_CHUNK_SIZE);
- if (rc)
- GOTO(out_close, rc);
-
- req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
- LLOG_CHUNK_SIZE);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
-
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
- memcpy(ptr, buf, LLOG_CHUNK_SIZE);
- GOTO(out_close, rc);
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ void *ptr;
+ int rc;
+
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_MIN_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
+
+ if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
+ CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d\n",
+ req->rq_export->exp_obd->obd_name, body->lgd_ctxt_idx);
+ RETURN(-EPROTO);
+ }
+
+ ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ RETURN(-ENODEV);
+
+ rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
+ &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
+ if (rc)
+ GOTO(out_ctxt, rc);
+
+ flags = body->lgd_llh_flags;
+ rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
+ NULL);
+ if (rc)
+ GOTO(out_close, rc);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
+
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
+ rc = llog_next_block(req->rq_svc_thread->t_env, loghandle,
+ &repbody->lgd_saved_index, repbody->lgd_index,
+ &repbody->lgd_cur_offset, ptr,
+ LLOG_MIN_CHUNK_SIZE);
+ if (rc)
+ GOTO(out_close, rc);
+ EXIT;
out_close:
- rc2 = llog_close(loghandle);
- if (!rc)
- rc = rc2;
-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;
+ llog_origin_close(req->rq_svc_thread->t_env, loghandle);
+out_ctxt:
+ llog_ctxt_put(ctxt);
+ return rc;
}
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;
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- __u8 *buf;
- void *ptr;
- int rc, rc2;
- 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(obd, body->lgd_ctxt_idx);
- if (ctxt == NULL)
- GOTO(out_free, rc = -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);
-
- 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);
- if (rc)
- GOTO(out_close, rc);
-
- req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
- LLOG_CHUNK_SIZE);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
-
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
- memcpy(ptr, buf, LLOG_CHUNK_SIZE);
- GOTO(out_close, rc);
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ void *ptr;
+ int rc;
+
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_MIN_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
+
+ if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
+ CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d\n",
+ req->rq_export->exp_obd->obd_name, body->lgd_ctxt_idx);
+ RETURN(-EPROTO);
+ }
+
+ ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ RETURN(-ENODEV);
+
+ rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
+ &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
+ if (rc)
+ GOTO(out_ctxt, rc);
+
+ flags = body->lgd_llh_flags;
+ rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
+ NULL);
+ if (rc)
+ GOTO(out_close, rc);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
+
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
+ rc = llog_prev_block(req->rq_svc_thread->t_env, loghandle,
+ body->lgd_index, ptr, LLOG_MIN_CHUNK_SIZE);
+ if (rc)
+ GOTO(out_close, rc);
+
+ EXIT;
out_close:
- rc2 = llog_close(loghandle);
- if (!rc)
- rc = rc2;
-
-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;
+ llog_origin_close(req->rq_svc_thread->t_env, loghandle);
+out_ctxt:
+ llog_ctxt_put(ctxt);
+ return rc;
}
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;
- struct llog_log_hdr *hdr;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- int rc, rc2;
- 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(-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);
-
- /*
- * llog_init_handle() reads the llog header
- */
- flags = body->lgd_llh_flags;
- rc = llog_init_handle(loghandle, flags, NULL);
- if (rc)
- GOTO(out_close, rc);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
- *hdr = *loghandle->lgh_hdr;
- GOTO(out_close, rc);
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llog_log_hdr *hdr;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ int rc;
+
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
+
+ if (body->lgd_ctxt_idx >= LLOG_MAX_CTXTS) {
+ CDEBUG(D_WARNING, "%s: bad ctxt ID: idx=%d\n",
+ req->rq_export->exp_obd->obd_name, body->lgd_ctxt_idx);
+ RETURN(-EPROTO);
+ }
+
+ ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL)
+ RETURN(-ENODEV);
+
+ rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
+ &body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
+ if (rc)
+ GOTO(out_ctxt, 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;
+
+ 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;
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- llog_ctxt_put(ctxt);
- return rc;
-}
-
-int llog_origin_handle_close(struct ptlrpc_request *req)
-{
- ENTRY;
- /* Nothing to do */
- RETURN(0);
-}
-
-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;
- struct lvfs_run_ctxt saved;
- struct llog_handle *cathandle;
- struct inode *inode;
- void *handle;
- ENTRY;
-
- logcookies = req_capsule_client_get(&req->rq_pill, &RMF_LOGCOOKIES);
- 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 llog cookies sent");
- RETURN(-EFAULT);
- }
-
- ctxt = llog_get_context(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);
- for (i = 0; i < num_cookies; i++, logcookies++) {
- cathandle = ctxt->loc_handle;
- LASSERT(cathandle != NULL);
- inode = cathandle->lgh_file->f_dentry->d_inode;
-
- handle = fsfilt_start_log(disk_obd, inode,
- FSFILT_OP_CANCEL_UNLINK, NULL, 1);
- if (IS_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);
-
- /*
- * 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);
- 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 of %d llog-records failed: %d\n",
- failed, num_cookies, rc);
-
- 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;
- ENTRY;
-
- if (ctxt == NULL || mds == NULL)
- GOTO(release_ctxt, rc = -ENODEV);
-
- 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;
- }
- GOTO(out_pop, rc);
-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 = NULL;
- struct llog_logid *logid;
- struct llog_logid_rec *lir;
- int l, rc, index, count = 0;
- struct cb_data *cbd = (struct cb_data*)data;
- ENTRY;
-
- 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(-ENODEV);
-
- 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_oseq, 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;
- }
- EXIT;
-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;
- char name[32] = CATLIST;
- struct cb_data data;
- struct llog_ctxt *ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
- int rc;
- ENTRY;
-
- if (ctxt == NULL || mds == NULL)
- GOTO(release_ctxt, rc = -ENODEV);
-
- count = mds->mds_lov_desc.ld_tgt_count;
- size = sizeof(*idarray) * count;
-
- OBD_ALLOC_LARGE(idarray, size);
- if (!idarray)
- GOTO(release_ctxt, rc = -ENOMEM);
-
- cfs_mutex_lock(&obd->obd_olg.olg_cat_processing);
- rc = llog_get_cat_list(obd, name, 0, 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;
-
- rc = llog_create(ctxt, &handle, &idarray[i].lci_logid, 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",
- idarray[i].lci_logid.lgl_oid,
- idarray[i].lci_logid.lgl_oseq,
- idarray[i].lci_logid.lgl_ogen, uncanceled);
-
- data.out += l;
- data.remains -= l;
- data.init = 1;
-
- llog_process(handle, llog_catinfo_cb, &data, NULL);
- llog_close(handle);
-
- if (data.remains <= 0)
- break;
- }
- EXIT;
-out_pop:
- pop_ctxt(&saved, &ctxt->loc_exp->exp_obd->obd_lvfs_ctxt, NULL);
-out_free:
- cfs_mutex_unlock(&obd->obd_olg.olg_cat_processing);
- OBD_FREE_LARGE(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;
- ENTRY;
-
- 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);
- EXIT;
-out_free:
- OBD_FREE(buf, LLOG_CHUNK_SIZE);
- return rc;
-}
-
-#else /* !__KERNEL__ */
-int llog_origin_handle_create(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-
-int llog_origin_handle_destroy(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-
-int llog_origin_handle_next_block(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-int llog_origin_handle_prev_block(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-int llog_origin_handle_read_header(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-int llog_origin_handle_close(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
-int llog_origin_handle_cancel(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
+ llog_origin_close(req->rq_svc_thread->t_env, loghandle);
+out_ctxt:
+ llog_ctxt_put(ctxt);
+ return rc;
}
-#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff