trim_map.c File Reference

#include <sys/zfs_context.h>
#include <sys/spa_impl.h>
#include <sys/vdev_impl.h>
#include <sys/trim_map.h>

Include dependency graph for trim_map.c:

Go to the source code of this file.

Data Structures
struct	trim_map
struct	trim_seg
Typedefs
typedef struct trim_map	trim_map_t
typedef struct trim_seg	trim_seg_t
Functions
	SYSCTL_DECL (_vfs_zfs)
	TUNABLE_INT ("vfs.zfs.trim_txg_limit",&trim_txg_limit)
	SYSCTL_INT (_vfs_zfs, OID_AUTO, trim_txg_limit, CTLFLAG_RW,&trim_txg_limit, 0,"Delay TRIMs by that many TXGs.")
static void	trim_map_vdev_commit_done (spa_t *spa, vdev_t *vd)
static int	trim_map_seg_compare (const void *x1, const void *x2)
static int	trim_map_zio_compare (const void *x1, const void *x2)
void	trim_map_create (vdev_t *vd)
void	trim_map_destroy (vdev_t *vd)
static void	trim_map_segment_add (trim_map_t *tm, uint64_t start, uint64_t end, uint64_t txg)
static void	trim_map_segment_remove (trim_map_t *tm, trim_seg_t *ts, uint64_t start, uint64_t end)
static void	trim_map_free_locked (trim_map_t *tm, uint64_t start, uint64_t end, uint64_t txg)
void	trim_map_free (zio_t *zio)
boolean_t	trim_map_write_start (zio_t *zio)
void	trim_map_write_done (zio_t *zio)
static trim_seg_t *	trim_map_first (trim_map_t *tm, uint64_t txg)
static void	trim_map_vdev_commit (spa_t *spa, zio_t *zio, vdev_t *vd)
static void	trim_map_commit (spa_t *spa, zio_t *zio, vdev_t *vd)
static void	trim_map_commit_done (spa_t *spa, vdev_t *vd)
static void	trim_thread (void *arg)
void	trim_thread_create (spa_t *spa)
void	trim_thread_destroy (spa_t *spa)
void	trim_thread_wakeup (spa_t *spa)
Variables
boolean_t	zfs_notrim
static int	trim_txg_limit = 64

---

Typedef Documentation

typedef struct trim_map trim_map_t

typedef struct trim_seg trim_seg_t

---

Function Documentation

SYSCTL_DECL

(

_vfs_zfs

)

SYSCTL_INT	(	_vfs_zfs	,
		OID_AUTO	,
		trim_txg_limit	,
		CTLFLAG_RW	,
		&	trim_txg_limit,
		0	,
		"Delay TRIMs by that many TXGs."
	)

static void trim_map_commit	(	spa_t *	spa,
		zio_t *	zio,
		vdev_t *	vd
	)		[static]

Definition at line 433 of file trim_map.c.

static void trim_map_commit_done	(	spa_t *	spa,
		vdev_t *	vd
	)		[static]

Definition at line 449 of file trim_map.c.

void trim_map_create

(

vdev_t *

vd

)

Definition at line 98 of file trim_map.c.

void trim_map_destroy

(

vdev_t *

vd

)

Definition at line 123 of file trim_map.c.

static trim_seg_t* trim_map_first	(	trim_map_t *	tm,
		uint64_t	txg
	)		[static]

Definition at line 356 of file trim_map.c.

void trim_map_free

(

zio_t *

zio

)

Definition at line 264 of file trim_map.c.

static void trim_map_free_locked	(	trim_map_t *	tm,
		uint64_t	start,
		uint64_t	end,
		uint64_t	txg
	)		[static]

Definition at line 243 of file trim_map.c.

static int trim_map_seg_compare	(	const void *	x1,
		const void *	x2
	)		[static]

Definition at line 60 of file trim_map.c.

static void trim_map_segment_add	(	trim_map_t *	tm,
		uint64_t	start,
		uint64_t	end,
		uint64_t	txg
	)		[static]

Definition at line 163 of file trim_map.c.

static void trim_map_segment_remove	(	trim_map_t *	tm,
		trim_seg_t *	ts,
		uint64_t	start,
		uint64_t	end
	)		[static]

Definition at line 212 of file trim_map.c.

static void trim_map_vdev_commit	(	spa_t *	spa,
		zio_t *	zio,
		vdev_t *	vd
	)		[static]

Definition at line 369 of file trim_map.c.

static void trim_map_vdev_commit_done	(	spa_t *	spa,
		vdev_t *	vd
	)		[static]

Definition at line 398 of file trim_map.c.

void trim_map_write_done

(

zio_t *

zio

)

Definition at line 325 of file trim_map.c.

boolean_t trim_map_write_start

(

zio_t *

zio

)

Definition at line 279 of file trim_map.c.

static int trim_map_zio_compare	(	const void *	x1,
		const void *	x2
	)		[static]

Definition at line 79 of file trim_map.c.

static void trim_thread

(

void *

arg

)

[static]

Definition at line 465 of file trim_map.c.

void trim_thread_create

(

spa_t *

spa

)

Definition at line 492 of file trim_map.c.

void trim_thread_destroy

(

spa_t *

spa

)

Definition at line 507 of file trim_map.c.

void trim_thread_wakeup

(

spa_t *

spa

)

Definition at line 530 of file trim_map.c.

TUNABLE_INT	(	"vfs.zfs.trim_txg_limit"	,
		&	trim_txg_limit
	)

---

Variable Documentation

int trim_txg_limit = 64 [static]

Definition at line 52 of file trim_map.c.

boolean_t zfs_notrim

Definition at line 95 of file zil.c.