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📄 Makefile.am(2.18 KB)
📄 abd.h(4.25 KB)
📄 abd_impl.h(4.41 KB)
📄 aggsum.h(1.28 KB)
📄 arc.h(11.19 KB)
📄 arc_impl.h(33.15 KB)
📄 avl.h(9.16 KB)
📄 avl_impl.h(4.8 KB)
📄 bitops.h(3.2 KB)
📄 blkptr.h(914 B)
📄 bplist.h(1.6 KB)
📄 bpobj.h(3.21 KB)
📄 bptree.h(1.89 KB)
📄 bqueue.h(1.23 KB)
📄 btree.h(7.68 KB)
📁 crypto
📄 dataset_kstats.h(2.27 KB)
📄 dbuf.h(13.94 KB)
📄 ddt.h(7.96 KB)
📄 dmu.h(39.06 KB)
📄 dmu_impl.h(6.92 KB)
📄 dmu_objset.h(9.19 KB)
📄 dmu_recv.h(2.75 KB)
📄 dmu_redact.h(1.67 KB)
📄 dmu_send.h(2.54 KB)
📄 dmu_traverse.h(3.02 KB)
📄 dmu_tx.h(4.43 KB)
📄 dmu_zfetch.h(2.23 KB)
📄 dnode.h(22.41 KB)
📄 dsl_bookmark.h(5.05 KB)
📄 dsl_crypt.h(7.76 KB)
📄 dsl_dataset.h(18.62 KB)
📄 dsl_deadlist.h(4.21 KB)
📄 dsl_deleg.h(3.27 KB)
📄 dsl_destroy.h(2.19 KB)
📄 dsl_dir.h(7.67 KB)
📄 dsl_pool.h(6.23 KB)
📄 dsl_prop.h(4.38 KB)
📄 dsl_scan.h(7.11 KB)
📄 dsl_synctask.h(4.06 KB)
📄 dsl_userhold.h(1.84 KB)
📄 edonr.h(2.65 KB)
📄 efi_partition.h(16.28 KB)
📁 fm
📄 frame.h(935 B)
📁 fs
📄 hkdf.h(782 B)
📁 lua
📄 metaslab.h(5.48 KB)
📄 metaslab_impl.h(21.23 KB)
📄 mmp.h(2.37 KB)
📄 mntent.h(5.22 KB)
📄 mod.h(1.26 KB)
📄 multilist.h(3.27 KB)
📄 note.h(1.62 KB)
📄 nvpair.h(14.77 KB)
📄 nvpair_impl.h(2.23 KB)
📄 objlist.h(1.13 KB)
📄 pathname.h(2.12 KB)
📄 qat.h(5.86 KB)
📄 range_tree.h(9.73 KB)
📄 rrwlock.h(3.53 KB)
📄 sa.h(5.14 KB)
📄 sa_impl.h(8.29 KB)
📄 skein.h(6.69 KB)
📄 spa.h(46.07 KB)
📄 spa_boot.h(1.16 KB)
📄 spa_checkpoint.h(1.44 KB)
📄 spa_checksum.h(1.96 KB)
📄 spa_impl.h(18.25 KB)
📄 spa_log_spacemap.h(2.62 KB)
📄 space_map.h(8.7 KB)
📄 space_reftree.h(1.69 KB)
📁 sysevent
📄 sysevent.h(1.07 KB)
📄 txg.h(4.66 KB)
📄 txg_impl.h(4.77 KB)
📄 u8_textprep.h(3.59 KB)
📄 u8_textprep_data.h(1.41 MB)
📄 uberblock.h(1.36 KB)
📄 uberblock_impl.h(5.11 KB)
📄 uio_impl.h(1.58 KB)
📄 unique.h(1.56 KB)
📄 uuid.h(2.85 KB)
📄 vdev.h(8.18 KB)
📄 vdev_disk.h(1.65 KB)
📄 vdev_draid.h(3.43 KB)
📄 vdev_file.h(1.23 KB)
📄 vdev_impl.h(22.53 KB)
📄 vdev_indirect_births.h(2.31 KB)
📄 vdev_indirect_mapping.h(4.38 KB)
📄 vdev_initialize.h(1.39 KB)
📄 vdev_raidz.h(2.04 KB)
📄 vdev_raidz_impl.h(10.54 KB)
📄 vdev_rebuild.h(3.4 KB)
📄 vdev_removal.h(2.63 KB)
📄 vdev_trim.h(1.72 KB)
📄 xvattr.h(13.1 KB)
📄 zap.h(18.63 KB)
📄 zap_impl.h(6.79 KB)
📄 zap_leaf.h(7.84 KB)
📄 zcp.h(4.87 KB)
📄 zcp_global.h(742 B)
📄 zcp_iter.h(1.07 KB)
📄 zcp_prop.h(780 B)
📄 zcp_set.h(929 B)
📄 zfeature.h(2.42 KB)
📄 zfs_acl.h(8.08 KB)
📄 zfs_bootenv.h(1.41 KB)
📄 zfs_context.h(21.23 KB)
📄 zfs_debug.h(3.3 KB)
📄 zfs_delay.h(1.25 KB)
📄 zfs_file.h(2.06 KB)
📄 zfs_fuid.h(4.26 KB)
📄 zfs_ioctl.h(17.63 KB)
📄 zfs_ioctl_impl.h(3.1 KB)
📄 zfs_onexit.h(1.65 KB)
📄 zfs_project.h(2.35 KB)
📄 zfs_quota.h(1.57 KB)
📄 zfs_racct.h(1.12 KB)
📄 zfs_ratelimit.h(1.11 KB)
📄 zfs_refcount.h(4.15 KB)
📄 zfs_rlock.h(2.54 KB)
📄 zfs_sa.h(4.38 KB)
📄 zfs_stat.h(1.45 KB)
📄 zfs_sysfs.h(1.49 KB)
📄 zfs_vfsops.h(1.05 KB)
📄 zfs_vnops.h(2 KB)
📄 zfs_znode.h(10.93 KB)
📄 zil.h(18.27 KB)
📄 zil_impl.h(9.12 KB)
📄 zio.h(21.68 KB)
📄 zio_checksum.h(4.55 KB)
📄 zio_compress.h(5.91 KB)
📄 zio_crypt.h(5.21 KB)
📄 zio_impl.h(8.33 KB)
📄 zio_priority.h(1.2 KB)
📄 zrlock.h(1.7 KB)
📁 zstd
📄 zthr.h(1.23 KB)
📄 zvol.h(2.27 KB)
📄 zvol_impl.h(3.7 KB)

Editing: vdev_indirect_mapping.h

/*
 * 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) 2015 by Delphix. All rights reserved.
 */

#ifndef	_SYS_VDEV_INDIRECT_MAPPING_H
#define	_SYS_VDEV_INDIRECT_MAPPING_H

#include <sys/dmu.h>
#include <sys/list.h>
#include <sys/spa.h>
#include <sys/space_map.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct vdev_indirect_mapping_entry_phys {
	/*
	 * Decode with DVA_MAPPING_* macros.
	 * Contains:
	 *   the source offset (low 63 bits)
	 *   the one-bit "mark", used for garbage collection (by zdb)
	 */
	uint64_t vimep_src;

/*
	 * Note: the DVA's asize is 24 bits, and can thus store ranges
	 * up to 8GB.
	 */
	dva_t	vimep_dst;
} vdev_indirect_mapping_entry_phys_t;

#define	DVA_MAPPING_GET_SRC_OFFSET(vimep)	\
	BF64_GET_SB((vimep)->vimep_src, 0, 63, SPA_MINBLOCKSHIFT, 0)
#define	DVA_MAPPING_SET_SRC_OFFSET(vimep, x)	\
	BF64_SET_SB((vimep)->vimep_src, 0, 63, SPA_MINBLOCKSHIFT, 0, x)

typedef struct vdev_indirect_mapping_entry {
	vdev_indirect_mapping_entry_phys_t	vime_mapping;
	uint32_t				vime_obsolete_count;
	list_node_t				vime_node;
} vdev_indirect_mapping_entry_t;

/*
 * This is stored in the bonus buffer of the mapping object, see comment of
 * vdev_indirect_config for more details.
 */
typedef struct vdev_indirect_mapping_phys {
	uint64_t	vimp_max_offset;
	uint64_t	vimp_bytes_mapped;
	uint64_t	vimp_num_entries; /* number of v_i_m_entry_phys_t's */

/*
	 * For each entry in the mapping object, this object contains an
	 * entry representing the number of bytes of that mapping entry
	 * that were no longer in use by the pool at the time this indirect
	 * vdev was last condensed.
	 */
	uint64_t	vimp_counts_object;
} vdev_indirect_mapping_phys_t;

#define	VDEV_INDIRECT_MAPPING_SIZE_V0	(3 * sizeof (uint64_t))

typedef struct vdev_indirect_mapping {
	uint64_t	vim_object;
	boolean_t	vim_havecounts;

/*
	 * An ordered array of all mapping entries, sorted by source offset.
	 * Note that vim_entries is needed during a removal (and contains
	 * mappings that have been synced to disk so far) to handle frees
	 * from the removing device.
	 */
	vdev_indirect_mapping_entry_phys_t *vim_entries;

objset_t	*vim_objset;

dmu_buf_t	*vim_dbuf;
	vdev_indirect_mapping_phys_t	*vim_phys;
} vdev_indirect_mapping_t;

extern vdev_indirect_mapping_t *vdev_indirect_mapping_open(objset_t *os,
    uint64_t object);
extern void vdev_indirect_mapping_close(vdev_indirect_mapping_t *vim);
extern uint64_t vdev_indirect_mapping_alloc(objset_t *os, dmu_tx_t *tx);
extern void vdev_indirect_mapping_free(objset_t *os, uint64_t obj,
    dmu_tx_t *tx);

extern uint64_t vdev_indirect_mapping_num_entries(vdev_indirect_mapping_t *vim);
extern uint64_t vdev_indirect_mapping_max_offset(vdev_indirect_mapping_t *vim);
extern uint64_t vdev_indirect_mapping_object(vdev_indirect_mapping_t *vim);
extern uint64_t vdev_indirect_mapping_bytes_mapped(
    vdev_indirect_mapping_t *vim);
extern uint64_t vdev_indirect_mapping_size(vdev_indirect_mapping_t *vim);

/*
 * Writes the given list of vdev_indirect_mapping_entry_t to the mapping
 * then updates internal state.
 */
extern void vdev_indirect_mapping_add_entries(vdev_indirect_mapping_t *vim,
    list_t *vime_list, dmu_tx_t *tx);

extern vdev_indirect_mapping_entry_phys_t *
    vdev_indirect_mapping_entry_for_offset(vdev_indirect_mapping_t *vim,
    uint64_t offset);

extern vdev_indirect_mapping_entry_phys_t *
    vdev_indirect_mapping_entry_for_offset_or_next(vdev_indirect_mapping_t *vim,
    uint64_t offset);

extern uint32_t *vdev_indirect_mapping_load_obsolete_counts(
    vdev_indirect_mapping_t *vim);
extern void vdev_indirect_mapping_load_obsolete_spacemap(
    vdev_indirect_mapping_t *vim,
    uint32_t *counts, space_map_t *obsolete_space_sm);
extern void vdev_indirect_mapping_increment_obsolete_count(
    vdev_indirect_mapping_t *vim,
    uint64_t offset, uint64_t asize, uint32_t *counts);
extern void vdev_indirect_mapping_free_obsolete_counts(
    vdev_indirect_mapping_t *vim, uint32_t *counts);

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_VDEV_INDIRECT_MAPPING_H */

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