subr_compressor.c File Reference

#include <sys/cdefs.h>
#include "opt_gzio.h"
#include "opt_zstdio.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/compressor.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/linker_set.h>
#include <sys/malloc.h>

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Data Structures
struct	compressor_methods
struct	compressor

Functions
	__FBSDID ("$FreeBSD$")
	MALLOC_DEFINE (M_COMPRESS, "compressor", "kernel compression subroutines")
	SET_DECLARE (compressors, struct compressor_methods)
bool	compressor_avail (int format)
struct compressor *	compressor_init (compressor_cb_t cb, int format, size_t maxiosize, int level, void *arg)
void	compressor_reset (struct compressor *stream)
int	compressor_write (struct compressor *stream, void *data, size_t len)
int	compressor_flush (struct compressor *stream)
void	compressor_fini (struct compressor *stream)

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

compressor_avail()

bool compressor_avail

(

int

format

)

Definition at line 500 of file subr_compressor.c.

References compressor_methods::format.

Referenced by sysctl_compress_user_cores().

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compressor_fini()

void compressor_fini

(

struct compressor *

stream

)

Definition at line 562 of file subr_compressor.c.

References compressor_methods::fini, compressor::methods, and compressor::priv.

Referenced by coredump(), and kerneldumpcomp_destroy().

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compressor_flush()

int compressor_flush

(

struct compressor *

stream

)

Definition at line 554 of file subr_compressor.c.

References compressor::arg, compressor::cb, compressor::methods, compressor::priv, and compressor_methods::write.

Referenced by coredump(), and dump_finish().

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compressor_init()

struct compressor * compressor_init	(	compressor_cb_t	cb,
		int	format,
		size_t	maxiosize,
		int	level,
		void *	arg
	)

Definition at line 512 of file subr_compressor.c.

References compressor::arg, compressor::cb, level, malloc(), compressor::methods, and compressor::priv.

Referenced by coredump(), and kerneldumpcomp_create().

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compressor_reset()

void compressor_reset

(

struct compressor *

stream

)

Definition at line 539 of file subr_compressor.c.

References compressor::methods, compressor::priv, and compressor_methods::reset.

Referenced by dump_finish().

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compressor_write()

int compressor_write	(	struct compressor *	stream,
		void *	data,
		size_t	len
	)

Definition at line 546 of file subr_compressor.c.

References compressor::arg, compressor::cb, data, compressor::methods, compressor::priv, and compressor_methods::write.

Referenced by compress_chunk(), dump_append(), and sbuf_drain_core_output().

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MALLOC_DEFINE()

MALLOC_DEFINE	(	M_COMPRESS	,
		"compressor"	,
		"kernel compression subroutines"
	)

SET_DECLARE()

SET_DECLARE	(	compressors	,
		struct compressor_methods
	)