subr_disk.c File Reference

#include <sys/cdefs.h>
#include "opt_geom.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bio.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <sys/sysctl.h>
#include <geom/geom_disk.h>

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Functions
	__FBSDID ("$FreeBSD$")
	SYSCTL_INT (_debug, OID_AUTO, bioq_batchsize, CTLFLAG_RW, &bioq_batchsize, 0, "BIOQ batch size")
void	disk_err (struct bio *bp, const char *what, int blkdone, int nl)
void	bioq_init (struct bio_queue_head *head)
void	bioq_remove (struct bio_queue_head *head, struct bio *bp)
void	bioq_flush (struct bio_queue_head *head, struct devstat *stp, int error)
void	bioq_insert_head (struct bio_queue_head *head, struct bio *bp)
void	bioq_insert_tail (struct bio_queue_head *head, struct bio *bp)
struct bio *	bioq_first (struct bio_queue_head *head)
struct bio *	bioq_takefirst (struct bio_queue_head *head)
static uoff_t	bioq_bio_key (struct bio_queue_head *head, struct bio *bp)
void	bioq_disksort (struct bio_queue_head *head, struct bio *bp)

Variables
static int	bioq_batchsize = 128

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

bioq_bio_key()

static uoff_t bioq_bio_key ( struct bio_queue_head *  head, struct bio *  bp  )

inlinestatic

Definition at line 235 of file subr_disk.c.

Referenced by bioq_disksort().

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bioq_disksort()

void bioq_disksort	(	struct bio_queue_head *	head,
		struct bio *	bp
	)

Definition at line 249 of file subr_disk.c.

References bioq_batchsize, bioq_bio_key(), and bioq_insert_tail().

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bioq_first()

struct bio * bioq_first

(

struct bio_queue_head *

head

)

Definition at line 212 of file subr_disk.c.

bioq_flush()

void bioq_flush	(	struct bio_queue_head *	head,
		struct devstat *	stp,
		int	error
	)

Definition at line 181 of file subr_disk.c.

References biofinish(), and bioq_takefirst().

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bioq_init()

void bioq_init

(

struct bio_queue_head *

head

)

Definition at line 154 of file subr_disk.c.

bioq_insert_head()

void bioq_insert_head	(	struct bio_queue_head *	head,
		struct bio *	bp
	)

Definition at line 190 of file subr_disk.c.

bioq_insert_tail()

void bioq_insert_tail	(	struct bio_queue_head *	head,
		struct bio *	bp
	)

Definition at line 201 of file subr_disk.c.

Referenced by bioq_disksort().

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bioq_remove()

void bioq_remove	(	struct bio_queue_head *	head,
		struct bio *	bp
	)

Definition at line 165 of file subr_disk.c.

Referenced by bioq_takefirst().

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bioq_takefirst()

struct bio * bioq_takefirst

(

struct bio_queue_head *

head

)

Definition at line 219 of file subr_disk.c.

References bioq_remove().

Referenced by bioq_flush().

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disk_err()

void disk_err	(	struct bio *	bp,
		const char *	what,
		int	blkdone,
		int	nl
	)

Definition at line 41 of file subr_disk.c.

References devtoname(), and printf().

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SYSCTL_INT()

SYSCTL_INT	(	_debug	,
		OID_AUTO	,
		bioq_batchsize	,
		CTLFLAG_RW	,
		&	bioq_batchsize,
		0	,
		"BIOQ batch size"
	)

Variable Documentation

bioq_batchsize

int bioq_batchsize = 128

static

Definition at line 29 of file subr_disk.c.

Referenced by bioq_disksort().