X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdclass%2Fllog_ioctl.c;h=5c1c71461526107ce72054d3bac8ae2b3c7ee355;hp=97e801ec107231974ca5eeda4623c9cd54b47027;hb=3ac7c325efaf3a2537fafc79168d87de67982acd;hpb=e3a7c58aebafce40323db54bf6056029e5af4a70

diff --git a/lustre/obdclass/llog_ioctl.c b/lustre/obdclass/llog_ioctl.c
index 97e801e..5c1c714 100644
--- a/lustre/obdclass/llog_ioctl.c
+++ b/lustre/obdclass/llog_ioctl.c
@@ -27,7 +27,7 @@
  * 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, 2012, Intel, Inc.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -36,13 +36,8 @@
 
 #define DEBUG_SUBSYSTEM S_LOG
 
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
-
 #include <obd_class.h>
 #include <lustre_log.h>
-#include <libcfs/list.h>
 #include "llog_internal.h"
 
 static int str2logid(struct llog_logid *logid, char *str, int len)
@@ -88,8 +83,8 @@ static int str2logid(struct llog_logid *logid, char *str, int len)
         RETURN(0);
 }
 
-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;
@@ -98,9 +93,8 @@ static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
         int cur_index, rc = 0;
 
         ENTRY;
-        cur_index = rec->lrh_index;
 
-        if (ioc_data && (ioc_data->ioc_inllen1)) {
+	if (ioc_data && ioc_data->ioc_inllen1 > 0) {
                 l = 0;
                 remains = ioc_data->ioc_inllen4 +
                         cfs_size_round(ioc_data->ioc_inllen1) +
@@ -114,11 +108,14 @@ static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
                         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);
-        }
+	}
+
+	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 *log_handle;
@@ -131,7 +128,7 @@ static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
                 }
                 if (handle->lgh_ctxt == NULL)
                         RETURN(-EOPNOTSUPP);
-                rc = llog_cat_id2handle(handle, &log_handle, &lir->lid_id);
+		rc = llog_cat_id2handle(env, handle, &log_handle, &lir->lid_id);
                 if (rc) {
                         CDEBUG(D_IOCTL,
                                "cannot find log #"LPX64"#"LPX64"#%08x\n",
@@ -139,49 +136,42 @@ static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
                                lir->lid_id.lgl_ogen);
                         RETURN(rc);
                 }
-                rc = llog_process(log_handle, llog_check_cb, NULL, NULL);
-                llog_close(log_handle);
+		rc = llog_process(env, log_handle, llog_check_cb, NULL, NULL);
+		llog_close(env, log_handle);
         } else {
+		bool ok;
+
                 switch (rec->lrh_type) {
                 case OST_SZ_REC:
-                case OST_RAID1_REC:
                 case MDS_UNLINK_REC:
-                case MDS_SETATTR_REC:
+		case MDS_UNLINK64_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);
+		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;
@@ -190,7 +180,7 @@ static int llog_print_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
         int cur_index;
 
         ENTRY;
-        if (ioc_data->ioc_inllen1) {
+	if (ioc_data != NULL && ioc_data->ioc_inllen1 > 0) {
                 l = 0;
                 remains = ioc_data->ioc_inllen4 +
                         cfs_size_round(ioc_data->ioc_inllen1) +
@@ -214,6 +204,7 @@ static int llog_print_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
 
         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);
@@ -223,11 +214,17 @@ static int llog_print_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
                              "[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);
+	} 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;
@@ -238,14 +235,15 @@ static int llog_print_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
 
         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);
+
+	rc = llog_cat_id2handle(env, cat, &log, logid);
         if (rc) {
                 CDEBUG(D_IOCTL, "cannot find log #"LPX64"#"LPX64"#%08x\n",
                        logid->lgl_oid, logid->lgl_oseq, logid->lgl_ogen);
@@ -254,68 +252,76 @@ static int llog_remove_log(struct llog_handle *cat, struct llog_logid *logid)
 
         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);
+	rc = llog_destroy(env, log);
+	if (rc) {
+		CDEBUG(D_IOCTL, "cannot destroy log\n");
+		GOTO(out, rc);
+	}
+	down_write(&cat->lgh_lock);
+	if (cat->u.chd.chd_current_log == log)
+		cat->u.chd.chd_current_log = NULL;
+	up_write(&cat->lgh_lock);
+	llog_cat_set_first_idx(cat, index);
+	rc = llog_cancel_rec(env, cat, index);
 out:
-        llog_free_handle(log);
-        cfs_up_write(&cat->lgh_lock);
-        RETURN(rc);
+	llog_close(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 == '$') {
-                char *name = data->ioc_inlbuf1 + 1;
-                err = llog_create(ctxt, &handle, NULL, name);
-                if (err)
-                        GOTO(out, err);
-        } else {
-                GOTO(out, err = -EINVAL);
-        }
-
-        err = llog_init_handle(handle, 0, NULL);
-        if (err)
-                GOTO(out_close, err = -ENOENT);
-
-        switch (cmd) {
-        case OBD_IOC_LLOG_INFO: {
-                int l;
-                int remains = data->ioc_inllen2 +
-                        cfs_size_round(data->ioc_inllen1);
-                char *out = data->ioc_bulk;
+	struct llog_logid	 logid;
+	int			 rc = 0;
+	struct llog_handle	*handle = NULL;
+
+	ENTRY;
+
+	if (*data->ioc_inlbuf1 == '#') {
+		rc = str2logid(&logid, data->ioc_inlbuf1, data->ioc_inllen1);
+		if (rc)
+			RETURN(rc);
+		rc = llog_open(env, ctxt, &handle, &logid, NULL,
+			       LLOG_OPEN_EXISTS);
+		if (rc)
+			RETURN(rc);
+	} else if (*data->ioc_inlbuf1 == '$') {
+		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:            #"LPX64"#"LPX64"#%08x\n"
@@ -331,95 +337,100 @@ int llog_ioctl(struct llog_ctxt *ctxt, int cmd, struct obd_ioctl_data *data)
                              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);
-        }
-        }
+		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_inlbuf2 > 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_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);
 
+#ifdef HAVE_LDISKFS_OSD
 int llog_catalog_list(struct obd_device *obd, int count,
                       struct obd_ioctl_data *data)
 {
@@ -437,7 +448,7 @@ int llog_catalog_list(struct obd_device *obd, int count,
         if (!idarray)
                 RETURN(-ENOMEM);
 
-        cfs_mutex_lock(&obd->obd_olg.olg_cat_processing);
+	mutex_lock(&obd->obd_olg.olg_cat_processing);
         rc = llog_get_cat_list(obd, name, 0, count, idarray);
         if (rc)
                 GOTO(out, rc);
@@ -458,10 +469,11 @@ int llog_catalog_list(struct obd_device *obd, int count,
         }
 out:
         /* release semaphore */
-        cfs_mutex_unlock(&obd->obd_olg.olg_cat_processing);
+	mutex_unlock(&obd->obd_olg.olg_cat_processing);
 
         OBD_FREE_LARGE(idarray, size);
         RETURN(rc);
 
 }
 EXPORT_SYMBOL(llog_catalog_list);
+#endif