mirror of
				https://git.proxmox.com/git/mirror_zfs
				synced 2025-11-04 07:10:11 +00:00 
			
		
		
		
	4757 ZFS embedded-data block pointers ("zero block compression")
4913 zfs release should not be subject to space checks
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>
References:
  https://www.illumos.org/issues/4757
  https://www.illumos.org/issues/4913
  https://github.com/illumos/illumos-gate/commit/5d7b4d4
Porting notes:
For compatibility with the fastpath code the zio_done() function
needed to be updated.  Because embedded-data block pointers do
not require DVAs to be allocated the associated vdevs will not
be marked and therefore should not be unmarked.
Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2544
		
	
			
		
			
				
	
	
		
			39 lines
		
	
	
		
			859 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			859 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * CDDL HEADER START
 | 
						|
 *
 | 
						|
 * This file and its contents are supplied under the terms of the
 | 
						|
 * Common Development and Distribution License ("CDDL"), version 1.0.
 | 
						|
 * You may only use this file in accordance with the terms of version
 | 
						|
 * 1.0 of the CDDL.
 | 
						|
 *
 | 
						|
 * A full copy of the text of the CDDL should have accompanied this
 | 
						|
 * source.  A copy of the CDDL is also available via the Internet at
 | 
						|
 * http://www.illumos.org/license/CDDL.
 | 
						|
 *
 | 
						|
 * CDDL HEADER END
 | 
						|
 */
 | 
						|
 | 
						|
/*
 | 
						|
 * Copyright (c) 2013 by Delphix. All rights reserved.
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef _SYS_BLKPTR_H
 | 
						|
#define	_SYS_BLKPTR_H
 | 
						|
 | 
						|
#include <sys/spa.h>
 | 
						|
#include <sys/zio.h>
 | 
						|
 | 
						|
#ifdef	__cplusplus
 | 
						|
extern "C" {
 | 
						|
#endif
 | 
						|
 | 
						|
void encode_embedded_bp_compressed(blkptr_t *, void *,
 | 
						|
    enum zio_compress, int, int);
 | 
						|
void decode_embedded_bp_compressed(const blkptr_t *, void *);
 | 
						|
 | 
						|
#ifdef	__cplusplus
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
#endif	/* _SYS_BLKPTR_H */
 |