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		e36ff84c33
		
			
		
	
	
	
	
		
			
			Add a dataset_kstats_rename function, and call it when renaming a zvol on FreeBSD and Linux. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alan Somers <asomers@gmail.com> Sponsored-by: Axcient Closes #15482 Closes #15486
		
			
				
	
	
		
			83 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * CDDL HEADER START
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|  *
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|  * The contents of this file are subject to the terms of the
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|  * Common Development and Distribution License (the "License").
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|  * You may not use this file except in compliance with the License.
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|  *
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|  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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|  * or https://opensource.org/licenses/CDDL-1.0.
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|  * See the License for the specific language governing permissions
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|  * and limitations under the License.
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|  *
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|  * When distributing Covered Code, include this CDDL HEADER in each
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|  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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|  * If applicable, add the following below this CDDL HEADER, with the
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|  * fields enclosed by brackets "[]" replaced with your own identifying
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|  * information: Portions Copyright [yyyy] [name of copyright owner]
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|  *
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|  * CDDL HEADER END
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|  */
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| 
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| /*
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|  * Copyright (c) 2018 by Delphix. All rights reserved.
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|  * Copyright (c) 2018 Datto Inc.
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|  */
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| 
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| #ifndef _SYS_DATASET_KSTATS_H
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| #define	_SYS_DATASET_KSTATS_H
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| 
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| #include <sys/wmsum.h>
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| #include <sys/dmu.h>
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| #include <sys/kstat.h>
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| #include <sys/zil.h>
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| 
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| typedef struct dataset_sum_stats_t {
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| 	wmsum_t dss_writes;
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| 	wmsum_t dss_nwritten;
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| 	wmsum_t dss_reads;
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| 	wmsum_t dss_nread;
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| 	wmsum_t dss_nunlinks;
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| 	wmsum_t dss_nunlinked;
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| } dataset_sum_stats_t;
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| 
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| typedef struct dataset_kstat_values {
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| 	kstat_named_t dkv_ds_name;
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| 	kstat_named_t dkv_writes;
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| 	kstat_named_t dkv_nwritten;
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| 	kstat_named_t dkv_reads;
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| 	kstat_named_t dkv_nread;
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| 	/*
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| 	 * nunlinks is initialized to the unlinked set size on mount and
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| 	 * is incremented whenever a new entry is added to the unlinked set
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| 	 */
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| 	kstat_named_t dkv_nunlinks;
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| 	/*
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| 	 * nunlinked is initialized to zero on mount and is incremented when an
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| 	 * entry is removed from the unlinked set
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| 	 */
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| 	kstat_named_t dkv_nunlinked;
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| 	/*
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| 	 * Per dataset zil kstats
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| 	 */
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| 	zil_kstat_values_t dkv_zil_stats;
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| } dataset_kstat_values_t;
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| 
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| typedef struct dataset_kstats {
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| 	dataset_sum_stats_t dk_sums;
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| 	zil_sums_t dk_zil_sums;
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| 	kstat_t *dk_kstats;
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| } dataset_kstats_t;
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| 
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| int dataset_kstats_create(dataset_kstats_t *, objset_t *);
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| void dataset_kstats_destroy(dataset_kstats_t *);
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| void dataset_kstats_rename(dataset_kstats_t *dk, const char *);
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| 
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| void dataset_kstats_update_write_kstats(dataset_kstats_t *, int64_t);
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| void dataset_kstats_update_read_kstats(dataset_kstats_t *, int64_t);
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| 
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| void dataset_kstats_update_nunlinks_kstat(dataset_kstats_t *, int64_t);
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| void dataset_kstats_update_nunlinked_kstat(dataset_kstats_t *, int64_t);
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| 
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| #endif /* _SYS_DATASET_KSTATS_H */
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