X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Fllog_ioctl.c;h=11478a59dba6badde86209865785d601211687ae;hp=a78c9daa739df18973d68e83d7686e4f890aeb1d;hb=6df76d3357fc5896b6902399ed7ce6d7c7835f58;hpb=e2af7fb3c91dfb13d34d8e1b2f2df8c09621f768

diff --git a/lustre/obdclass/llog_ioctl.c b/lustre/obdclass/llog_ioctl.c
index a78c9da..11478a5 100644
--- a/lustre/obdclass/llog_ioctl.c
+++ b/lustre/obdclass/llog_ioctl.c
@@ -15,11 +15,7 @@
  *
  * 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
  */
@@ -27,7 +23,7 @@
  * 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, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -37,427 +33,496 @@
 #define DEBUG_SUBSYSTEM S_LOG
 
 #include <obd_class.h>
+#include <uapi/linux/lustre/lustre_ioctl.h>
 #include <lustre_log.h>
-#include <libcfs/list.h>
 #include "llog_internal.h"
 
 static int str2logid(struct llog_logid *logid, char *str, int len)
 {
-        char *start, *end, *endp;
-
-        ENTRY;
-        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';
-        logid->lgl_oid = 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';
-        logid->lgl_oseq = simple_strtoull(start, &endp, 0);
-        if (endp != end)
+	unsigned long long id, seq;
+	char *start, *end;
+	u32 ogen;
+	int rc;
+
+	ENTRY;
+	start = str;
+	if (start[0] == '[') {
+		struct lu_fid *fid = &logid->lgl_oi.oi_fid;
+		struct lu_fid sfid;
+		int num;
+
+		fid_zero(fid);
+		logid->lgl_ogen = 0;
+		num = sscanf(start + 1, SFID, RFID(fid));
+		CDEBUG(D_INFO, DFID":%x\n", PFID(fid), logid->lgl_ogen);
+		logid_to_fid(logid, &sfid);
+		RETURN(num == 3 && fid_is_sane(&sfid) ? 0 : -EINVAL);
+	}
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 1, 53, 0)
+	/*
+	 * logids used to be input in the form "#id#seq:ogen" before they
+	 * were changed over to accept the FID [seq:oid:ver] format.
+	 * This is accepted for compatibility reasons, though I doubt
+	 * anyone is actually using this for anything.
+	 */
+	if (start[0] != '#')
+		RETURN(-EINVAL);
+
+	start++;
+	if (start - str >= len - 1)
+		RETURN(-EINVAL);
+	end = strchr(start, '#');
+	if (end == NULL || end == start)
+		RETURN(-EINVAL);
+
+	*end = '\0';
+	rc = kstrtoull(start, 0, &id);
+	if (rc)
+		RETURN(rc);
+
+	start = ++end;
+	if (start - str >= len - 1)
+		RETURN(-EINVAL);
+
+	end = strchr(start, '#');
+	if (!end || end == start)
+		RETURN(-EINVAL);
+
+	*end = '\0';
+	rc = kstrtoull(start, 0, &seq);
+	if (rc)
+		RETURN(rc);
+
+	ostid_set_seq(&logid->lgl_oi, seq);
+	if (ostid_set_id(&logid->lgl_oi, id))
+		RETURN(-EINVAL);
+
+	start = ++end;
+	if (start - str >= len - 1)
+		RETURN(-EINVAL);
+
+	rc = kstrtouint(start, 16, &ogen);
+	if (rc)
                 RETURN(-EINVAL);
+	logid->lgl_ogen = ogen;
 
-        start = ++end;
-        if (start - str >= len - 1)
-                RETURN(-EINVAL);
-        logid->lgl_ogen = simple_strtoul(start, &endp, 16);
-        if (*endp != '\0')
-                RETURN(-EINVAL);
-
-        RETURN(0);
+	RETURN(0);
+#else
+	RETURN(-EINVAL);
+#endif
 }
 
-static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
-                         void *data)
+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;
-
-        ENTRY;
-        cur_index = rec->lrh_index;
-
-        if (ioc_data && (ioc_data->ioc_inllen1)) {
-                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;
-                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 *log_handle;
-
-                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(handle, &log_handle, &lir->lid_id);
-                if (rc) {
-                        CDEBUG(D_IOCTL,
-                               "cannot find log #"LPX64"#"LPX64"#%08x\n",
-                               lir->lid_id.lgl_oid, lir->lid_id.lgl_oseq,
-                               lir->lid_id.lgl_ogen);
-                        RETURN(rc);
-                }
-                rc = llog_process(log_handle, llog_check_cb, NULL, NULL);
-                llog_close(log_handle);
-        } else {
-                switch (rec->lrh_type) {
-                case OST_SZ_REC:
-                case OST_RAID1_REC:
-                case MDS_UNLINK_REC:
-                case MDS_SETATTR_REC:
-                case MDS_SETATTR64_REC:
-                case OBD_CFG_REC:
-                case LLOG_HDR_MAGIC: {
-                         l = snprintf(out, remains, "[index]: %05d  [type]: "
-                                      "%02x  [len]: %04d ok\n",
-                                      cur_index, rec->lrh_type,
-                                      rec->lrh_len);
-                         out += l;
-                         remains -= l;
-                         if (remains <= 0) {
-                                CERROR("no space to print log records\n");
-                                RETURN(-LLOG_EEMPTY);
-                         }
-                         RETURN(0);
-                }
-                default: {
-                         l = snprintf(out, remains, "[index]: %05d  [type]: "
-                                      "%02x  [len]: %04d failed\n",
-                                      cur_index, rec->lrh_type,
-                                      rec->lrh_len);
-                         out += l;
-                         remains -= l;
-                         if (remains <= 0) {
-                                CERROR("no space to print log records\n");
-                                RETURN(-LLOG_EEMPTY);
-                         }
-                         RETURN(0);
-                }
-                }
-        }
-        RETURN(rc);
+	struct obd_ioctl_data *ioc_data = data;
+	static int l, remains;
+	static long from, to;
+	static char *out;
+	int cur_index;
+	int rc = 0;
+
+	ENTRY;
+	if (ioc_data && ioc_data->ioc_inllen1 > 0) {
+		l = 0;
+		remains = ioc_data->ioc_inllen4 +
+			  round_up(ioc_data->ioc_inllen1, 8) +
+			  round_up(ioc_data->ioc_inllen2, 8) +
+			  round_up(ioc_data->ioc_inllen3, 8);
+
+		rc = kstrtol(ioc_data->ioc_inlbuf2, 0, &from);
+		if (rc)
+			RETURN(rc);
+
+		rc = kstrtol(ioc_data->ioc_inlbuf3, 0, &to);
+		if (rc)
+			RETURN(rc);
+
+		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 "DFID":%x\n",
+			       PFID(&lir->lid_id.lgl_oi.oi_fid),
+			       lir->lid_id.lgl_ogen);
+			RETURN(rc);
+		}
+		rc = llog_process(env, loghandle, llog_check_cb, NULL, NULL);
+		llog_handle_put(env, 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(struct llog_handle *handle, struct llog_rec_hdr *rec,
-                         void *data)
+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;
-
-        ENTRY;
-        if (ioc_data->ioc_inllen1) {
-                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]: #"LPX64"#"LPX64"#%08x\n",
-                             cur_index, lir->lid_id.lgl_oid,
-                             lir->lid_id.lgl_oseq, lir->lid_id.lgl_ogen);
-        } 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);
+	struct obd_ioctl_data *ioc_data = data;
+	static int l, remains;
+	static long from, to;
+	static char *out;
+	int cur_index;
+	int rc;
+
+	ENTRY;
+	if (ioc_data && ioc_data->ioc_inllen1 > 0) {
+		l = 0;
+		remains = ioc_data->ioc_inllen4 +
+			  round_up(ioc_data->ioc_inllen1, 8) +
+			  round_up(ioc_data->ioc_inllen2, 8) +
+			  round_up(ioc_data->ioc_inllen3, 8);
+
+		rc = kstrtol(ioc_data->ioc_inlbuf2, 0, &from);
+		if (rc)
+			RETURN(rc);
+
+		rc = kstrtol(ioc_data->ioc_inlbuf3, 0, &to);
+		if (rc)
+			RETURN(rc);
+
+		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]: "DFID":%x\n",
+			     cur_index, PFID(&lir->lid_id.lgl_oi.oi_fid),
+			     lir->lid_id.lgl_ogen);
+	} else if (rec->lrh_type == OBD_CFG_REC) {
+		int rc;
+
+		rc = class_config_yaml_output(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(struct llog_handle *cat, struct llog_logid *logid)
+static int llog_remove_log(const struct lu_env *env, struct llog_handle *cat,
+			   struct llog_logid *logid)
 {
-        struct llog_handle *log;
-        int rc, index = 0;
-
-        ENTRY;
-        cfs_down_write(&cat->lgh_lock);
-        rc = llog_cat_id2handle(cat, &log, logid);
-        if (rc) {
-                CDEBUG(D_IOCTL, "cannot find log #"LPX64"#"LPX64"#%08x\n",
-                       logid->lgl_oid, logid->lgl_oseq, logid->lgl_ogen);
-                GOTO(out, rc = -ENOENT);
-        }
-
-        index = log->u.phd.phd_cookie.lgc_index;
-        LASSERT(index);
-        rc = llog_destroy(log);
-        if (rc) {
-                CDEBUG(D_IOCTL, "cannot destroy log\n");
-                GOTO(out, rc);
-        }
-        llog_cat_set_first_idx(cat, index);
-        rc = llog_cancel_rec(cat, index);
+	struct llog_handle *log;
+	int rc;
+
+	ENTRY;
+
+	rc = llog_cat_id2handle(env, cat, &log, logid);
+	if (rc) {
+		CDEBUG(D_IOCTL, "cannot find log "DFID":%x\n",
+		       PFID(&logid->lgl_oi.oi_fid), logid->lgl_ogen);
+		RETURN(-ENOENT);
+	}
+
+	rc = llog_destroy(env, log);
+	if (rc) {
+		CDEBUG(D_IOCTL, "cannot destroy log "DFID":%x\n",
+		       PFID(&logid->lgl_oi.oi_fid), logid->lgl_ogen);
+		GOTO(out, rc);
+	}
+	llog_cat_cleanup(env, cat, log, log->u.phd.phd_cookie.lgc_index);
 out:
-        llog_free_handle(log);
-        cfs_up_write(&cat->lgh_lock);
-        RETURN(rc);
+	llog_handle_put(env, log);
+	RETURN(rc);
 
 }
 
-static int llog_delete_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
-                          void *data)
+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;
+	struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
+	int rc;
 
-        ENTRY;
-        if (rec->lrh_type != LLOG_LOGID_MAGIC)
-              RETURN (-EINVAL);
-        rc = llog_remove_log(handle, &lir->lid_id);
+	ENTRY;
+	if (rec->lrh_type != LLOG_LOGID_MAGIC)
+		RETURN(-EINVAL);
+	rc = llog_remove_log(env, handle, &lir->lid_id);
 
-        RETURN(rc);
+	RETURN(rc);
 }
 
 
-int llog_ioctl(struct llog_ctxt *ctxt, int cmd, struct obd_ioctl_data *data)
+int llog_ioctl(const struct lu_env *env, struct llog_ctxt *ctxt, int cmd,
+	       struct obd_ioctl_data *data)
 {
-        struct llog_logid logid;
-        int err = 0;
-        struct llog_handle *handle = NULL;
-
-        ENTRY;
-        if (*data->ioc_inlbuf1 == '#') {
-                err = str2logid(&logid, data->ioc_inlbuf1, data->ioc_inllen1);
-                if (err)
-                        GOTO(out, err);
-                err = llog_create(ctxt, &handle, &logid, NULL);
-                if (err)
-                        GOTO(out, err);
-        } else if (*data->ioc_inlbuf1 == '$') {
-                char *name = data->ioc_inlbuf1 + 1;
-                err = llog_create(ctxt, &handle, NULL, name);
-                if (err)
-                        GOTO(out, err);
-        } else {
-                GOTO(out, err = -EINVAL);
-        }
-
-        err = llog_init_handle(handle, 0, NULL);
-        if (err)
-                GOTO(out_close, err = -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:            #"LPX64"#"LPX64"#%08x\n"
-                             "flags:            %x (%s)\n"
-                             "records count:    %d\n"
-                             "last index:       %d\n",
-                             handle->lgh_id.lgl_oid, handle->lgh_id.lgl_oseq,
-                             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("not enough space for log header info\n");
-
-                GOTO(out_close, err);
-        }
-        case OBD_IOC_LLOG_CHECK: {
-                LASSERT(data->ioc_inllen1);
-                err = llog_process(handle, llog_check_cb, data, NULL);
-                if (err == -LLOG_EEMPTY)
-                        err = 0;
-                GOTO(out_close, err);
-        }
-
-        case OBD_IOC_LLOG_PRINT: {
-                LASSERT(data->ioc_inllen1);
-                err = llog_process(handle, class_config_dump_handler,data,NULL);
-                if (err == -LLOG_EEMPTY)
-                        err = 0;
-                else
-                        err = llog_process(handle, llog_print_cb, data, NULL);
-
-                GOTO(out_close, err);
-        }
-        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, err = -EINVAL);
-
-                if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
-                        cfs_down_write(&handle->lgh_lock);
-                        err = llog_cancel_rec(handle, cookie.lgc_index);
-                        cfs_up_write(&handle->lgh_lock);
-                        GOTO(out_close, err);
-                }
-
-                err = str2logid(&plain, data->ioc_inlbuf2, data->ioc_inllen2);
-                if (err)
-                        GOTO(out_close, err);
-                cookie.lgc_lgl = plain;
-
-                if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT))
-                        GOTO(out_close, err = -EINVAL);
-
-                err = llog_cat_cancel_records(handle, 1, &cookie);
-                GOTO(out_close, err);
-        }
-        case OBD_IOC_LLOG_REMOVE: {
-                struct llog_logid plain;
-
-                if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
-                        err = llog_destroy(handle);
-                        if (!err)
-                                llog_free_handle(handle);
-                        GOTO(out, err);
-                }
-
-                if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT))
-                        GOTO(out_close, err = -EINVAL);
-
-                if (data->ioc_inlbuf2) {
-                        /*remove indicate log from the catalog*/
-                        err = str2logid(&plain, data->ioc_inlbuf2,
-                                        data->ioc_inllen2);
-                        if (err)
-                                GOTO(out_close, err);
-                        err = llog_remove_log(handle, &plain);
-                } else {
-                        /*remove all the log of the catalog*/
-                        llog_process(handle, llog_delete_cb, NULL, NULL);
-                }
-                GOTO(out_close, err);
-        }
-        }
+	struct llog_logid logid;
+	int rc = 0;
+	struct llog_handle *handle = NULL;
+	char *logname, start;
+
+	ENTRY;
+
+	logname = data->ioc_inlbuf1;
+	start = logname[0];
+	if (start == '#' || start == '[') {
+		rc = str2logid(&logid, logname, data->ioc_inllen1);
+		if (rc)
+			RETURN(rc);
+		rc = llog_open(env, ctxt, &handle, &logid, NULL,
+			       LLOG_OPEN_EXISTS);
+		if (rc)
+			RETURN(rc);
+	} else if (start == '$' || isalpha(start) || isdigit(start)) {
+		if (start == '$')
+			logname++;
+
+		rc = llog_open(env, ctxt, &handle, NULL, logname,
+			       LLOG_OPEN_EXISTS);
+		if (rc)
+			RETURN(rc);
+	} else {
+		rc = -EINVAL;
+		CDEBUG(D_INFO, "%s: invalid log name '%s': rc = %d\n",
+		      ctxt->loc_obd->obd_name, logname, rc);
+		RETURN(rc);
+	}
+
+	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:            "DFID":%x\n"
+			     "flags:            %x (%s)\n"
+			     "records_count:    %d\n"
+			     "last_index:       %d\n",
+			     PFID(&handle->lgh_id.lgl_oi.oi_fid),
+			     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;
+		u32 lgc_index;
+
+		rc = kstrtouint(data->ioc_inlbuf3, 0, &lgc_index);
+		if (rc)
+			GOTO(out_close, rc);
+		cookie.lgc_index = lgc_index;
+
+		if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
+			rc = llog_cancel_rec(env, 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_inlbuf2) {
+			/* 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_put(handle);
-        else
-                llog_close(handle);
-out:
-        RETURN(err);
+	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);
 
-int llog_catalog_list(struct obd_device *obd, int count,
-                      struct obd_ioctl_data *data)
+int llog_catalog_list(const struct lu_env *env, struct dt_device *d,
+		      int count, struct obd_ioctl_data *data,
+		      const struct lu_fid *fid)
 {
-        int size, i;
-        struct llog_catid *idarray;
-        struct llog_logid *id;
-        char name[32] = CATLIST;
-        char *out;
-        int l, remains, rc = 0;
-
-        ENTRY;
-        size = sizeof(*idarray) * count;
-
-        OBD_ALLOC_LARGE(idarray, size);
-        if (!idarray)
-                RETURN(-ENOMEM);
-
-        cfs_mutex_lock(&obd->obd_olg.olg_cat_processing);
-        rc = llog_get_cat_list(obd, name, 0, count, idarray);
-        if (rc)
-                GOTO(out, rc);
-
-        out = data->ioc_bulk;
-        remains = data->ioc_inllen1;
-        for (i = 0; i < count; i++) {
-                id = &idarray[i].lci_logid;
-                l = snprintf(out, remains,
-                             "catalog log: #"LPX64"#"LPX64"#%08x\n",
-                             id->lgl_oid, id->lgl_oseq, id->lgl_ogen);
-                out += l;
-                remains -= l;
-                if (remains <= 0) {
-                        CWARN("not enough memory for catlog list\n");
-                        break;
-                }
-        }
+	int size, i;
+	struct llog_catid *idarray;
+	struct llog_logid *id;
+	char *out;
+	int l, remains, rc = 0;
+
+	ENTRY;
+
+	if (count == 0) { /* get total number of logs */
+		rc = llog_osd_get_cat_list(env, d, 0, 0, NULL, fid);
+		if (rc < 0)
+			RETURN(rc);
+		count = rc;
+	}
+
+	size = sizeof(*idarray) * count;
+
+	OBD_ALLOC_LARGE(idarray, size);
+	if (!idarray)
+		RETURN(-ENOMEM);
+
+	rc = llog_osd_get_cat_list(env, d, 0, count, idarray, fid);
+	if (rc)
+		GOTO(out, rc);
+
+	out = data->ioc_bulk;
+	remains = data->ioc_inllen1;
+	/* OBD_FAIL: fetch the catalog records from the specified one */
+	if (OBD_FAIL_CHECK(OBD_FAIL_CATLIST))
+		data->ioc_count = cfs_fail_val - 1;
+	for (i = data->ioc_count; i < count; i++) {
+		id = &idarray[i].lci_logid;
+		l = snprintf(out, remains, "catalog_log: "DFID":%x\n",
+			      PFID(&id->lgl_oi.oi_fid), id->lgl_ogen);
+		out += l;
+		remains -= l;
+		if (remains <= 0) {
+			if (remains < 0) {
+				/* the print is not complete */
+				remains += l;
+				data->ioc_bulk[out - data->ioc_bulk - l] = '\0';
+				data->ioc_count = i;
+			} else {
+				data->ioc_count = i++;
+			}
+			goto out;
+		}
+	}
+	data->ioc_count = 0;
 out:
-        /* release semaphore */
-        cfs_mutex_unlock(&obd->obd_olg.olg_cat_processing);
-
-        OBD_FREE_LARGE(idarray, size);
-        RETURN(rc);
-
+	OBD_FREE_LARGE(idarray, size);
+	RETURN(rc);
 }
 EXPORT_SYMBOL(llog_catalog_list);