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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: zvol_impl.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

#ifndef	_SYS_ZVOL_IMPL_H
#define	_SYS_ZVOL_IMPL_H

#include <sys/zfs_context.h>

#define	ZVOL_RDONLY	0x1
/*
 * Whether the zvol has been written to (as opposed to ZVOL_RDONLY, which
 * specifies whether or not the zvol _can_ be written to)
 */
#define	ZVOL_WRITTEN_TO	0x2

#define	ZVOL_DUMPIFIED	0x4

#define	ZVOL_EXCL	0x8

/*
 * The in-core state of each volume.
 */
typedef struct zvol_state {
	char			zv_name[MAXNAMELEN];	/* name */
	uint64_t		zv_volsize;		/* advertised space */
	uint64_t		zv_volblocksize;	/* volume block size */
	objset_t		*zv_objset;	/* objset handle */
	uint32_t		zv_flags;	/* ZVOL_* flags */
	uint32_t		zv_open_count;	/* open counts */
	uint32_t		zv_changed;	/* disk changed */
	uint32_t		zv_volmode;	/* volmode */
	zilog_t			*zv_zilog;	/* ZIL handle */
	zfs_rangelock_t		zv_rangelock;	/* for range locking */
	dnode_t			*zv_dn;		/* dnode hold */
	dataset_kstats_t	zv_kstat;	/* zvol kstats */
	list_node_t		zv_next;	/* next zvol_state_t linkage */
	uint64_t		zv_hash;	/* name hash */
	struct hlist_node	zv_hlink;	/* hash link */
	kmutex_t		zv_state_lock;	/* protects zvol_state_t */
	atomic_t		zv_suspend_ref;	/* refcount for suspend */
	krwlock_t		zv_suspend_lock;	/* suspend lock */
	struct zvol_state_os	*zv_zso;	/* private platform state */
} zvol_state_t;

extern list_t zvol_state_list;
extern krwlock_t zvol_state_lock;
#define	ZVOL_HT_SIZE	1024
extern struct hlist_head *zvol_htable;
#define	ZVOL_HT_HEAD(hash)	(&zvol_htable[(hash) & (ZVOL_HT_SIZE-1)])
extern zil_replay_func_t *zvol_replay_vector[TX_MAX_TYPE];

extern unsigned int zvol_volmode;
extern unsigned int zvol_inhibit_dev;

/*
 * platform independent functions exported to platform code
 */
zvol_state_t *zvol_find_by_name_hash(const char *name,
    uint64_t hash, int mode);
int zvol_first_open(zvol_state_t *zv, boolean_t readonly);
uint64_t zvol_name_hash(const char *name);
void zvol_remove_minors_impl(const char *name);
void zvol_last_close(zvol_state_t *zv);
void zvol_insert(zvol_state_t *zv);
void zvol_log_truncate(zvol_state_t *zv, dmu_tx_t *tx, uint64_t off,
    uint64_t len, boolean_t sync);
void zvol_log_write(zvol_state_t *zv, dmu_tx_t *tx, uint64_t offset,
    uint64_t size, int sync);
int zvol_get_data(void *arg, lr_write_t *lr, char *buf, struct lwb *lwb,
    zio_t *zio);
int zvol_init_impl(void);
void zvol_fini_impl(void);
void zvol_wait_close(zvol_state_t *zv);

/*
 * platform dependent functions exported to platform independent code
 */
typedef struct zvol_platform_ops {
	void (*zv_free)(zvol_state_t *);
	void (*zv_rename_minor)(zvol_state_t *, const char *);
	int (*zv_create_minor)(const char *);
	int (*zv_update_volsize)(zvol_state_t *, uint64_t);
	boolean_t (*zv_is_zvol)(const char *);
	void (*zv_clear_private)(zvol_state_t *);
	void (*zv_set_disk_ro)(zvol_state_t *, int flags);
	void (*zv_set_capacity)(zvol_state_t *, uint64_t capacity);
} zvol_platform_ops_t;

void zvol_register_ops(const zvol_platform_ops_t *ops);

#endif

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