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Subject[PATCH 11/12] staging/lustre/obdclass: remove llog_ioctl.c
Date
From: "John L. Hammond" <john.hammond@intel.com>

Remove the unused function llog_ioctl() and the file
lustre/obdclass/llog_ioctl.c.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
---
drivers/staging/lustre/lustre/include/lustre_log.h | 4 -
drivers/staging/lustre/lustre/obdclass/Makefile | 2 +-
.../staging/lustre/lustre/obdclass/llog_ioctl.c | 418 --------------------
3 files changed, 1 insertion(+), 423 deletions(-)
delete mode 100644 drivers/staging/lustre/lustre/obdclass/llog_ioctl.c

diff --git a/drivers/staging/lustre/lustre/include/lustre_log.h b/drivers/staging/lustre/lustre/include/lustre_log.h
index c10029c..2187fb6 100644
--- a/drivers/staging/lustre/lustre/include/lustre_log.h
+++ b/drivers/staging/lustre/lustre/include/lustre_log.h
@@ -206,10 +206,6 @@ int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp, int flags);
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
struct llog_cookie *cookies, int flags);

-/* llog_ioctl.c */
-int llog_ioctl(const struct lu_env *env, struct llog_ctxt *ctxt, int cmd,
- struct obd_ioctl_data *data);
-
/* llog_net.c */
int llog_initiator_connect(struct llog_ctxt *ctxt);

diff --git a/drivers/staging/lustre/lustre/obdclass/Makefile b/drivers/staging/lustre/lustre/obdclass/Makefile
index c8c95e1..77fd94c 100644
--- a/drivers/staging/lustre/lustre/obdclass/Makefile
+++ b/drivers/staging/lustre/lustre/obdclass/Makefile
@@ -2,7 +2,7 @@ obj-$(CONFIG_LUSTRE_FS) += obdclass.o

obdclass-y := linux/linux-module.o linux/linux-obdo.o linux/linux-sysctl.o \
llog.o llog_cat.o llog_obd.o llog_swab.o class_obd.o debug.o \
- genops.o uuid.o llog_ioctl.o lprocfs_status.o \
+ genops.o uuid.o lprocfs_status.o \
lustre_handles.o lustre_peer.o \
local_storage.o statfs_pack.o obdo.o obd_config.o obd_mount.o\
lu_object.o dt_object.o capa.o cl_object.o \
diff --git a/drivers/staging/lustre/lustre/obdclass/llog_ioctl.c b/drivers/staging/lustre/lustre/obdclass/llog_ioctl.c
deleted file mode 100644
index 9b7fa1d..0000000
--- a/drivers/staging/lustre/lustre/obdclass/llog_ioctl.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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.
- *
- * 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).
- *
- * 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.
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2011, 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- */
-
-#define DEBUG_SUBSYSTEM S_LOG
-
-#include "../include/obd_class.h"
-#include "../include/lustre_log.h"
-#include "llog_internal.h"
-
-static int str2logid(struct llog_logid *logid, char *str, int len)
-{
- char *start, *end, *endp;
- __u64 id, seq;
-
- start = str;
- if (*start != '#')
- return -EINVAL;
-
- start++;
- if (start - str >= len - 1)
- return -EINVAL;
- end = strchr(start, '#');
- if (end == NULL || end == start)
- return -EINVAL;
-
- *end = '\0';
- id = simple_strtoull(start, &endp, 0);
- if (endp != end)
- return -EINVAL;
-
- start = ++end;
- if (start - str >= len - 1)
- return -EINVAL;
- end = strchr(start, '#');
- if (end == NULL || end == start)
- return -EINVAL;
-
- *end = '\0';
- seq = simple_strtoull(start, &endp, 0);
- if (endp != end)
- return -EINVAL;
-
- ostid_set_seq(&logid->lgl_oi, seq);
- ostid_set_id(&logid->lgl_oi, id);
-
- start = ++end;
- if (start - str >= len - 1)
- return -EINVAL;
- logid->lgl_ogen = simple_strtoul(start, &endp, 16);
- if (*endp != '\0')
- return -EINVAL;
-
- return 0;
-}
-
-static int llog_check_cb(const struct lu_env *env, struct llog_handle *handle,
- struct llog_rec_hdr *rec, void *data)
-{
- struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
- static int l, remains, from, to;
- static char *out;
- char *endp;
- int cur_index, rc = 0;
-
- if (ioc_data && ioc_data->ioc_inllen1 > 0) {
- l = 0;
- remains = ioc_data->ioc_inllen4 +
- cfs_size_round(ioc_data->ioc_inllen1) +
- cfs_size_round(ioc_data->ioc_inllen2) +
- cfs_size_round(ioc_data->ioc_inllen3);
- from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
- if (*endp != '\0')
- return -EINVAL;
- to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
- if (*endp != '\0')
- return -EINVAL;
- ioc_data->ioc_inllen1 = 0;
- out = ioc_data->ioc_bulk;
- }
-
- cur_index = rec->lrh_index;
- if (cur_index < from)
- return 0;
- if (to > 0 && cur_index > to)
- return -LLOG_EEMPTY;
-
- if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
- struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
- struct llog_handle *loghandle;
-
- if (rec->lrh_type != LLOG_LOGID_MAGIC) {
- l = snprintf(out, remains, "[index]: %05d [type]: "
- "%02x [len]: %04d failed\n",
- cur_index, rec->lrh_type,
- rec->lrh_len);
- }
- if (handle->lgh_ctxt == NULL)
- return -EOPNOTSUPP;
- rc = llog_cat_id2handle(env, handle, &loghandle, &lir->lid_id);
- if (rc) {
- CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
- POSTID(&lir->lid_id.lgl_oi),
- lir->lid_id.lgl_ogen);
- return rc;
- }
- rc = llog_process(env, loghandle, llog_check_cb, NULL, NULL);
- llog_handle_put(loghandle);
- } else {
- bool ok;
-
- switch (rec->lrh_type) {
- case OST_SZ_REC:
- case MDS_UNLINK_REC:
- case MDS_UNLINK64_REC:
- case MDS_SETATTR64_REC:
- case OBD_CFG_REC:
- case LLOG_GEN_REC:
- case LLOG_HDR_MAGIC:
- ok = true;
- break;
- default:
- ok = false;
- }
-
- l = snprintf(out, remains, "[index]: %05d [type]: "
- "%02x [len]: %04d %s\n",
- cur_index, rec->lrh_type, rec->lrh_len,
- ok ? "ok" : "failed");
- out += l;
- remains -= l;
- if (remains <= 0) {
- CERROR("%s: no space to print log records\n",
- handle->lgh_ctxt->loc_obd->obd_name);
- return -LLOG_EEMPTY;
- }
- }
- return rc;
-}
-
-static int llog_print_cb(const struct lu_env *env, struct llog_handle *handle,
- struct llog_rec_hdr *rec, void *data)
-{
- struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
- static int l, remains, from, to;
- static char *out;
- char *endp;
- int cur_index;
-
- if (ioc_data != NULL && ioc_data->ioc_inllen1 > 0) {
- l = 0;
- remains = ioc_data->ioc_inllen4 +
- cfs_size_round(ioc_data->ioc_inllen1) +
- cfs_size_round(ioc_data->ioc_inllen2) +
- cfs_size_round(ioc_data->ioc_inllen3);
- from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
- if (*endp != '\0')
- return -EINVAL;
- to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
- if (*endp != '\0')
- return -EINVAL;
- out = ioc_data->ioc_bulk;
- ioc_data->ioc_inllen1 = 0;
- }
-
- cur_index = rec->lrh_index;
- if (cur_index < from)
- return 0;
- if (to > 0 && cur_index > to)
- return -LLOG_EEMPTY;
-
- if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
- struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
-
- if (rec->lrh_type != LLOG_LOGID_MAGIC) {
- CERROR("invalid record in catalog\n");
- return -EINVAL;
- }
-
- l = snprintf(out, remains,
- "[index]: %05d [logid]: #"DOSTID"#%08x\n",
- cur_index, POSTID(&lir->lid_id.lgl_oi),
- lir->lid_id.lgl_ogen);
- } else if (rec->lrh_type == OBD_CFG_REC) {
- int rc;
-
- rc = class_config_parse_rec(rec, out, remains);
- if (rc < 0)
- return rc;
- l = rc;
- } else {
- l = snprintf(out, remains,
- "[index]: %05d [type]: %02x [len]: %04d\n",
- cur_index, rec->lrh_type, rec->lrh_len);
- }
- out += l;
- remains -= l;
- if (remains <= 0) {
- CERROR("not enough space for print log records\n");
- return -LLOG_EEMPTY;
- }
-
- return 0;
-}
-static int llog_remove_log(const struct lu_env *env, struct llog_handle *cat,
- struct llog_logid *logid)
-{
- struct llog_handle *log;
- int rc;
-
- rc = llog_cat_id2handle(env, cat, &log, logid);
- if (rc) {
- CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
- POSTID(&logid->lgl_oi), logid->lgl_ogen);
- return -ENOENT;
- }
-
- rc = llog_destroy(env, log);
- if (rc) {
- CDEBUG(D_IOCTL, "cannot destroy log\n");
- GOTO(out, rc);
- }
- llog_cat_cleanup(env, cat, log, log->u.phd.phd_cookie.lgc_index);
-out:
- llog_handle_put(log);
- return rc;
-
-}
-
-static int llog_delete_cb(const struct lu_env *env, struct llog_handle *handle,
- struct llog_rec_hdr *rec, void *data)
-{
- struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
- int rc;
-
- if (rec->lrh_type != LLOG_LOGID_MAGIC)
- return -EINVAL;
- rc = llog_remove_log(env, handle, &lir->lid_id);
-
- return rc;
-}
-
-
-int llog_ioctl(const struct lu_env *env, struct llog_ctxt *ctxt, int cmd,
- struct obd_ioctl_data *data)
-{
- struct llog_logid logid;
- int rc = 0;
- struct llog_handle *handle = NULL;
-
- if (*data->ioc_inlbuf1 == '#') {
- rc = str2logid(&logid, data->ioc_inlbuf1, data->ioc_inllen1);
- if (rc)
- return rc;
- rc = llog_open(env, ctxt, &handle, &logid, NULL,
- LLOG_OPEN_EXISTS);
- if (rc)
- return rc;
- } else if (*data->ioc_inlbuf1 == '$') {
- char *name = data->ioc_inlbuf1 + 1;
-
- rc = llog_open(env, ctxt, &handle, NULL, name,
- LLOG_OPEN_EXISTS);
- if (rc)
- return rc;
- } else {
- return -EINVAL;
- }
-
- rc = llog_init_handle(env, handle, 0, NULL);
- if (rc)
- GOTO(out_close, rc = -ENOENT);
-
- switch (cmd) {
- case OBD_IOC_LLOG_INFO: {
- int l;
- int remains = data->ioc_inllen2 +
- cfs_size_round(data->ioc_inllen1);
- char *out = data->ioc_bulk;
-
- l = snprintf(out, remains,
- "logid: #"DOSTID"#%08x\n"
- "flags: %x (%s)\n"
- "records count: %d\n"
- "last index: %d\n",
- POSTID(&handle->lgh_id.lgl_oi),
- handle->lgh_id.lgl_ogen,
- handle->lgh_hdr->llh_flags,
- handle->lgh_hdr->llh_flags &
- LLOG_F_IS_CAT ? "cat" : "plain",
- handle->lgh_hdr->llh_count,
- handle->lgh_last_idx);
- out += l;
- remains -= l;
- if (remains <= 0) {
- CERROR("%s: not enough space for log header info\n",
- ctxt->loc_obd->obd_name);
- rc = -ENOSPC;
- }
- break;
- }
- case OBD_IOC_LLOG_CHECK:
- LASSERT(data->ioc_inllen1 > 0);
- rc = llog_process(env, handle, llog_check_cb, data, NULL);
- if (rc == -LLOG_EEMPTY)
- rc = 0;
- else if (rc)
- GOTO(out_close, rc);
- break;
- case OBD_IOC_LLOG_PRINT:
- LASSERT(data->ioc_inllen1 > 0);
- rc = llog_process(env, handle, llog_print_cb, data, NULL);
- if (rc == -LLOG_EEMPTY)
- rc = 0;
- else if (rc)
- GOTO(out_close, rc);
- break;
- case OBD_IOC_LLOG_CANCEL: {
- struct llog_cookie cookie;
- struct llog_logid plain;
- char *endp;
-
- cookie.lgc_index = simple_strtoul(data->ioc_inlbuf3, &endp, 0);
- if (*endp != '\0')
- GOTO(out_close, rc = -EINVAL);
-
- if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
- rc = llog_cancel_rec(NULL, handle, cookie.lgc_index);
- GOTO(out_close, rc);
- } else if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
- GOTO(out_close, rc = -EINVAL);
- }
-
- if (data->ioc_inlbuf2 == NULL) /* catalog but no logid */
- GOTO(out_close, rc = -ENOTTY);
-
- rc = str2logid(&plain, data->ioc_inlbuf2, data->ioc_inllen2);
- if (rc)
- GOTO(out_close, rc);
- cookie.lgc_lgl = plain;
- rc = llog_cat_cancel_records(env, handle, 1, &cookie);
- if (rc)
- GOTO(out_close, rc);
- break;
- }
- case OBD_IOC_LLOG_REMOVE: {
- struct llog_logid plain;
-
- if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
- rc = llog_destroy(env, handle);
- GOTO(out_close, rc);
- } else if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
- GOTO(out_close, rc = -EINVAL);
- }
-
- if (data->ioc_inllen2 > 0) {
- /* remove indicate log from the catalog */
- rc = str2logid(&plain, data->ioc_inlbuf2,
- data->ioc_inllen2);
- if (rc)
- GOTO(out_close, rc);
- rc = llog_remove_log(env, handle, &plain);
- } else {
- /* remove all the log of the catalog */
- rc = llog_process(env, handle, llog_delete_cb, NULL,
- NULL);
- if (rc)
- GOTO(out_close, rc);
- }
- break;
- }
- default:
- CERROR("%s: Unknown ioctl cmd %#x\n",
- ctxt->loc_obd->obd_name, cmd);
- GOTO(out_close, rc = -ENOTTY);
- }
-
-out_close:
- if (handle->lgh_hdr &&
- handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)
- llog_cat_close(env, handle);
- else
- llog_close(env, handle);
- return rc;
-}
-EXPORT_SYMBOL(llog_ioctl);
--
1.7.9.5


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