Virtual device vector for GEOM. More...

#include <sys/zfs_context.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/bio.h>
#include <sys/disk.h>
#include <sys/spa.h>
#include <sys/spa_impl.h>
#include <sys/vdev_impl.h>
#include <sys/fs/zfs.h>
#include <sys/zio.h>
#include <geom/geom.h>
#include <geom/geom_int.h>

Include dependency graph for vdev_geom.c:

Go to the source code of this file.

Functions
	DECLARE_GEOM_CLASS (zfs_vdev_class, zfs_vdev)
	SYSCTL_DECL (_vfs_zfs_vdev)
	TUNABLE_INT ("vfs.zfs.vdev.bio_flush_disable",&vdev_geom_bio_flush_disable)
	SYSCTL_INT (_vfs_zfs_vdev, OID_AUTO, bio_flush_disable, CTLFLAG_RW,&vdev_geom_bio_flush_disable, 0,"Disable BIO_FLUSH")
	TUNABLE_INT ("vfs.zfs.vdev.bio_delete_disable",&vdev_geom_bio_delete_disable)
	SYSCTL_INT (_vfs_zfs_vdev, OID_AUTO, bio_delete_disable, CTLFLAG_RW,&vdev_geom_bio_delete_disable, 0,"Disable BIO_DELETE")
static void	vdev_geom_orphan (struct g_consumer *cp)
static void	vdev_geom_attrchanged (struct g_consumer cp, const char attr)
static struct g_consumer *	vdev_geom_attach (struct g_provider pp, vdev_t vd)
static void	vdev_geom_close_locked (vdev_t *vd)
static void	nvlist_get_guids (nvlist_t list, uint64_t pguid, uint64_t *vguid)
static int	vdev_geom_io (struct g_consumer cp, int cmd, void data, off_t offset, off_t size)
static int	vdev_geom_read_config (struct g_consumer cp, nvlist_t *config)
static int	vdev_geom_check_config (nvlist_t config, const char name, uint64_t *best_txg)
static int	vdev_geom_attach_taster (struct g_consumer cp, struct g_provider pp)
static void	vdev_geom_detach_taster (struct g_consumer *cp)
static void	vdev_geom_taste_orphan (struct g_consumer *cp)
int	vdev_geom_read_pool_label (const char name, nvlist_t *config)
static void	vdev_geom_read_guids (struct g_consumer cp, uint64_t pguid, uint64_t *vguid)
static struct g_consumer *	vdev_geom_attach_by_guids (vdev_t *vd)
static struct g_consumer *	vdev_geom_open_by_guids (vdev_t *vd)
static struct g_consumer *	vdev_geom_open_by_path (vdev_t *vd, int check_guid)
static int	vdev_geom_open (vdev_t vd, uint64_t psize, uint64_t max_psize, uint64_t ashift)
static void	vdev_geom_close (vdev_t *vd)
static void	vdev_geom_io_intr (struct bio *bp)
static int	vdev_geom_io_start (zio_t *zio)
static void	vdev_geom_io_done (zio_t *zio)
static void	vdev_geom_hold (vdev_t *vd)
static void	vdev_geom_rele (vdev_t *vd)
Variables
struct g_class	zfs_vdev_class
static int	vdev_geom_bio_flush_disable = 0
	Don't send BIO_FLUSH.
static int	vdev_geom_bio_delete_disable = 0
	Don't send BIO_DELETE.
vdev_ops_t	vdev_geom_ops
	Vector table for the vdev_geom module.

Detailed Description

Virtual device vector for GEOM.

Creates a GEOM class to represent vdevs.

Definition in file vdev_geom.c.

Function Documentation

DECLARE_GEOM_CLASS	(	zfs_vdev_class	,
		zfs_vdev
	)

static void nvlist_get_guids	(	nvlist_t *	list,
		uint64_t *	pguid,
		uint64_t *	vguid
	)		`[static]`

Definition at line 275 of file vdev_geom.c.

SYSCTL_DECL ( _vfs_zfs_vdev )

SYSCTL_INT	(	_vfs_zfs_vdev	,
		OID_AUTO	,
		bio_flush_disable	,
		CTLFLAG_RW	,
		&	vdev_geom_bio_flush_disable,
		0	,
		"Disable BIO_FLUSH"
	)

SYSCTL_INT	(	_vfs_zfs_vdev	,
		OID_AUTO	,
		bio_delete_disable	,
		CTLFLAG_RW	,
		&	vdev_geom_bio_delete_disable,
		0	,
		"Disable BIO_DELETE"
	)

TUNABLE_INT	(	"vfs.zfs.vdev.bio_delete_disable"	,
		&	vdev_geom_bio_delete_disable
	)

TUNABLE_INT	(	"vfs.zfs.vdev.bio_flush_disable"	,
		&	vdev_geom_bio_flush_disable
	)

static struct g_consumer* vdev_geom_attach	(	struct g_provider *	pp,
		vdev_t *	vd
	)		`[static, read]`

Definition at line 165 of file vdev_geom.c.

static struct g_consumer* vdev_geom_attach_by_guids ( vdev_t * vd ) [static, read]

Definition at line 522 of file vdev_geom.c.

static int vdev_geom_attach_taster	(	struct g_consumer *	cp,
		struct g_provider *	pp
	)		`[static]`

Definition at line 417 of file vdev_geom.c.

static void vdev_geom_attrchanged	(	struct g_consumer *	cp,
		const char *	attr
	)		`[static]`

Definition at line 112 of file vdev_geom.c.

static int vdev_geom_check_config	(	nvlist_t *	config,
		const char *	name,
		uint64_t *	best_txg
	)		`[static]`

Definition at line 394 of file vdev_geom.c.

static void vdev_geom_close ( vdev_t * vd ) [static]

Definition at line 763 of file vdev_geom.c.

static void vdev_geom_close_locked ( vdev_t * vd ) [static]

Definition at line 240 of file vdev_geom.c.

static void vdev_geom_detach_taster ( struct g_consumer * cp ) [static]

Definition at line 433 of file vdev_geom.c.

static void vdev_geom_hold ( vdev_t * vd ) [static]

Definition at line 910 of file vdev_geom.c.

static int vdev_geom_io	(	struct g_consumer *	cp,
		int	cmd,
		void *	data,
		off_t	offset,
		off_t	size
	)		`[static]`

Definition at line 297 of file vdev_geom.c.

static void vdev_geom_io_done ( zio_t * zio ) [static]

Definition at line 905 of file vdev_geom.c.

static void vdev_geom_io_intr ( struct bio * bp ) [static]

Definition at line 771 of file vdev_geom.c.

static int vdev_geom_io_start ( zio_t * zio ) [static]

Definition at line 824 of file vdev_geom.c.

static int vdev_geom_open	(	vdev_t *	vd,
		uint64_t *	psize,
		uint64_t *	max_psize,
		uint64_t *	ashift
	)		`[static]`

Definition at line 649 of file vdev_geom.c.

static struct g_consumer* vdev_geom_open_by_guids ( vdev_t * vd ) [static, read]

Definition at line 576 of file vdev_geom.c.

static struct g_consumer* vdev_geom_open_by_path	(	vdev_t *	vd,
		int	check_guid
	)		`[static, read]`

Definition at line 608 of file vdev_geom.c.

static void vdev_geom_orphan ( struct g_consumer * cp ) [static]

Definition at line 80 of file vdev_geom.c.

static int vdev_geom_read_config	(	struct g_consumer *	cp,
		nvlist_t **	config
	)		`[static]`

Definition at line 332 of file vdev_geom.c.

static void vdev_geom_read_guids	(	struct g_consumer *	cp,
		uint64_t *	pguid,
		uint64_t *	vguid
	)		`[static]`

Definition at line 507 of file vdev_geom.c.

int vdev_geom_read_pool_label	(	const char *	name,
		nvlist_t **	config
	)

Definition at line 448 of file vdev_geom.c.

static void vdev_geom_rele ( vdev_t * vd ) [static]

Definition at line 915 of file vdev_geom.c.

static void vdev_geom_taste_orphan ( struct g_consumer * cp ) [static]

Definition at line 440 of file vdev_geom.c.

Variable Documentation

vdev_ops_t vdev_geom_ops

Initial value:

 {
        vdev_geom_open,
        vdev_geom_close,
        vdev_default_asize,
        vdev_geom_io_start,
        vdev_geom_io_done,
        NULL,
        vdev_geom_hold,
        vdev_geom_rele,
        VDEV_TYPE_DISK,         
        B_TRUE                  
}

Vector table for the vdev_geom module.

This is the only entry point for vdev_geom

Definition at line 923 of file vdev_geom.c.

struct g_class zfs_vdev_class

Initial value:

 {
        .name = "ZFS::VDEV",
        .version = G_VERSION,
}

Definition at line 48 of file vdev_geom.c.

vdev_geom.c File Reference

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation