#include "xfs.h"
#include <linux/stddef.h>
#include <linux/errno.h>
#include <linux/gfp.h>
#include <linux/pagemap.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/bio.h>
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
#include <linux/workqueue.h>
#include <linux/percpu.h>
#include <linux/blkdev.h>
#include <linux/hash.h>
#include <linux/kthread.h>
#include <linux/migrate.h>
#include <linux/backing-dev.h>
#include <linux/freezer.h>
#include "xfs_sb.h"
#include "xfs_log.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_trace.h"

Macros
#define	XB_SET_OWNER(bp) do { } while (0)

#define	XB_CLEAR_OWNER(bp) do { } while (0)

#define	XB_GET_OWNER(bp) do { } while (0)

#define	xb_to_gfp(flags) ((((flags) & XBF_READ_AHEAD) ? __GFP_NORETRY : GFP_NOFS) \| __GFP_NOWARN)

Functions
STATIC void	xfs_buf_lru_add (struct xfs_buf *bp)

STATIC void	xfs_buf_lru_del (struct xfs_buf *bp)

void	xfs_buf_stale (struct xfs_buf *bp)

struct xfs_buf *	_xfs_buf_alloc (struct xfs_buftarg target, struct xfs_buf_map map, int nmaps, xfs_buf_flags_t flags)

STATIC int	_xfs_buf_get_pages (xfs_buf_t *bp, int page_count, xfs_buf_flags_t flags)

STATIC void	_xfs_buf_free_pages (xfs_buf_t *bp)

void	xfs_buf_free (xfs_buf_t *bp)

STATIC int	xfs_buf_allocate_memory (xfs_buf_t *bp, uint flags)

STATIC int	_xfs_buf_map_pages (xfs_buf_t *bp, uint flags)

xfs_buf_t *	_xfs_buf_find (struct xfs_buftarg btp, struct xfs_buf_map map, int nmaps, xfs_buf_flags_t flags, xfs_buf_t *new_bp)

struct xfs_buf *	xfs_buf_get_map (struct xfs_buftarg target, struct xfs_buf_map map, int nmaps, xfs_buf_flags_t flags)

STATIC int	_xfs_buf_read (xfs_buf_t *bp, xfs_buf_flags_t flags)

xfs_buf_t *	xfs_buf_read_map (struct xfs_buftarg target, struct xfs_buf_map map, int nmaps, xfs_buf_flags_t flags)

void	xfs_buf_readahead_map (struct xfs_buftarg target, struct xfs_buf_map map, int nmaps)

struct xfs_buf *	xfs_buf_read_uncached (struct xfs_buftarg *target, xfs_daddr_t daddr, size_t numblks, int flags)

void	xfs_buf_set_empty (struct xfs_buf *bp, size_t numblks)

int	xfs_buf_associate_memory (xfs_buf_t bp, void mem, size_t len)

xfs_buf_t *	xfs_buf_get_uncached (struct xfs_buftarg *target, size_t numblks, int flags)

void	xfs_buf_hold (xfs_buf_t *bp)

void	xfs_buf_rele (xfs_buf_t *bp)

int	xfs_buf_trylock (struct xfs_buf *bp)

void	xfs_buf_lock (struct xfs_buf *bp)

void	xfs_buf_unlock (struct xfs_buf *bp)

STATIC void	xfs_buf_wait_unpin (xfs_buf_t *bp)

STATIC void	xfs_buf_iodone_work (struct work_struct *work)

void	xfs_buf_ioend (xfs_buf_t *bp, int schedule)

void	xfs_buf_ioerror (xfs_buf_t *bp, int error)

void	xfs_buf_ioerror_alert (struct xfs_buf bp, const char func)

STATIC int	xfs_bioerror (xfs_buf_t *bp)

STATIC int	xfs_bioerror_relse (struct xfs_buf *bp)

STATIC int	xfs_bdstrat_cb (struct xfs_buf *bp)

int	xfs_bwrite (struct xfs_buf *bp)

void	xfsbdstrat (struct xfs_mount mp, struct xfs_buf bp)

STATIC void	_xfs_buf_ioend (xfs_buf_t *bp, int schedule)

STATIC void	xfs_buf_bio_end_io (struct bio *bio, int error)

STATIC void	_xfs_buf_ioapply (struct xfs_buf *bp)

void	xfs_buf_iorequest (xfs_buf_t *bp)

int	xfs_buf_iowait (xfs_buf_t *bp)

xfs_caddr_t	xfs_buf_offset (xfs_buf_t *bp, size_t offset)

void	xfs_buf_iomove (xfs_buf_t bp, size_t boff, size_t bsize, void data, xfs_buf_rw_t mode)

void	xfs_wait_buftarg (struct xfs_buftarg *btp)

int	xfs_buftarg_shrink (struct shrinker shrink, struct shrink_control sc)

void	xfs_free_buftarg (struct xfs_mount mp, struct xfs_buftarg btp)

STATIC int	xfs_setsize_buftarg_flags (xfs_buftarg_t *btp, unsigned int blocksize, unsigned int sectorsize, int verbose)

STATIC int	xfs_setsize_buftarg_early (xfs_buftarg_t btp, struct block_device bdev)

int	xfs_setsize_buftarg (xfs_buftarg_t *btp, unsigned int blocksize, unsigned int sectorsize)

xfs_buftarg_t *	xfs_alloc_buftarg (struct xfs_mount mp, struct block_device bdev, int external, const char *fsname)

bool	xfs_buf_delwri_queue (struct xfs_buf bp, struct list_head list)

int	xfs_buf_delwri_submit_nowait (struct list_head *buffer_list)

int	xfs_buf_delwri_submit (struct list_head *buffer_list)

int __init	xfs_buf_init (void)

void	xfs_buf_terminate (void)

Macro Definition Documentation

#define XB_CLEAR_OWNER ( bp ) do { } while (0)

Definition at line 53 of file xfs_buf.c.

#define XB_GET_OWNER ( bp ) do { } while (0)

Definition at line 54 of file xfs_buf.c.

#define XB_SET_OWNER ( bp ) do { } while (0)

Definition at line 52 of file xfs_buf.c.

#define xb_to_gfp ( flags ) ((((flags) & XBF_READ_AHEAD) ? __GFP_NORETRY : GFP_NOFS) | __GFP_NOWARN)

Definition at line 57 of file xfs_buf.c.

Function Documentation

struct xfs_buf* _xfs_buf_alloc	(	struct xfs_buftarg *	target,
		struct xfs_buf_map *	map,
		int	nmaps,
		xfs_buf_flags_t	flags
	)

read

Definition at line 203 of file xfs_buf.c.

xfs_buf_t* _xfs_buf_find	(	struct xfs_buftarg *	btp,
		struct xfs_buf_map *	map,
		int	nmaps,
		xfs_buf_flags_t	flags,
		xfs_buf_t *	new_bp
	)

read

Definition at line 477 of file xfs_buf.c.

STATIC void _xfs_buf_free_pages ( xfs_buf_t * bp )

Definition at line 293 of file xfs_buf.c.

STATIC int _xfs_buf_get_pages	(	xfs_buf_t *	bp,
		int	page_count,
		xfs_buf_flags_t	flags
	)

Definition at line 268 of file xfs_buf.c.

STATIC void _xfs_buf_ioapply ( struct xfs_buf * bp )

Definition at line 1299 of file xfs_buf.c.

STATIC void _xfs_buf_ioend	(	xfs_buf_t *	bp,
		int	schedule
	)

Definition at line 1185 of file xfs_buf.c.

STATIC int _xfs_buf_map_pages	(	xfs_buf_t *	bp,
		uint	flags
	)

Definition at line 438 of file xfs_buf.c.

STATIC int _xfs_buf_read	(	xfs_buf_t *	bp,
		xfs_buf_flags_t	flags
	)

Definition at line 636 of file xfs_buf.c.

xfs_buftarg_t* xfs_alloc_buftarg	(	struct xfs_mount *	mp,
		struct block_device *	bdev,
		int	external,
		const char *	fsname
	)

Definition at line 1591 of file xfs_buf.c.

STATIC int xfs_bdstrat_cb ( struct xfs_buf * bp )

Definition at line 1124 of file xfs_buf.c.

STATIC int xfs_bioerror ( xfs_buf_t * bp )

Definition at line 1060 of file xfs_buf.c.

STATIC int xfs_bioerror_relse ( struct xfs_buf * bp )

Definition at line 1091 of file xfs_buf.c.

STATIC int xfs_buf_allocate_memory	(	xfs_buf_t *	bp,
		uint	flags
	)

Definition at line 340 of file xfs_buf.c.

int xfs_buf_associate_memory	(	xfs_buf_t *	bp,
		void *	mem,
		size_t	len
	)

Definition at line 772 of file xfs_buf.c.

STATIC void xfs_buf_bio_end_io	(	struct bio *	bio,
		int	error
	)

Definition at line 1194 of file xfs_buf.c.

bool xfs_buf_delwri_queue	(	struct xfs_buf *	bp,
		struct list_head *	list
	)

Definition at line 1634 of file xfs_buf.c.

int xfs_buf_delwri_submit ( struct list_head * buffer_list )

Definition at line 1775 of file xfs_buf.c.

int xfs_buf_delwri_submit_nowait ( struct list_head * buffer_list )

Definition at line 1759 of file xfs_buf.c.

void xfs_buf_free ( xfs_buf_t * bp )

Definition at line 310 of file xfs_buf.c.

struct xfs_buf* xfs_buf_get_map	(	struct xfs_buftarg *	target,
		struct xfs_buf_map *	map,
		int	nmaps,
		xfs_buf_flags_t	flags
	)

read

Definition at line 586 of file xfs_buf.c.

xfs_buf_t* xfs_buf_get_uncached	(	struct xfs_buftarg *	target,
		size_t	numblks,
		int	flags
	)

read

Definition at line 814 of file xfs_buf.c.

void xfs_buf_hold ( xfs_buf_t * bp )

Definition at line 867 of file xfs_buf.c.

int __init xfs_buf_init ( void )

Definition at line 1799 of file xfs_buf.c.

STATIC void xfs_buf_iodone_work ( struct work_struct * work )

Definition at line 999 of file xfs_buf.c.

void xfs_buf_ioend	(	xfs_buf_t *	bp,
		int	schedule
	)

Definition at line 1012 of file xfs_buf.c.

void xfs_buf_ioerror	(	xfs_buf_t *	bp,
		int	error
	)

Definition at line 1035 of file xfs_buf.c.

void xfs_buf_ioerror_alert	(	struct xfs_buf *	bp,
		const char *	func
	)

Definition at line 1045 of file xfs_buf.c.

void xfs_buf_iomove	(	xfs_buf_t *	bp,
		size_t	boff,
		size_t	bsize,
		void *	data,
		xfs_buf_rw_t	mode
	)

Definition at line 1405 of file xfs_buf.c.

void xfs_buf_iorequest ( xfs_buf_t * bp )

Definition at line 1346 of file xfs_buf.c.

int xfs_buf_iowait ( xfs_buf_t * bp )

Definition at line 1374 of file xfs_buf.c.

void xfs_buf_lock ( struct xfs_buf * bp )

Definition at line 951 of file xfs_buf.c.

STATIC void xfs_buf_lru_add ( struct xfs_buf * bp )

Definition at line 89 of file xfs_buf.c.

STATIC void xfs_buf_lru_del ( struct xfs_buf * bp )

Definition at line 114 of file xfs_buf.c.

xfs_caddr_t xfs_buf_offset	(	xfs_buf_t *	bp,
		size_t	offset
	)

Definition at line 1387 of file xfs_buf.c.

xfs_buf_t* xfs_buf_read_map	(	struct xfs_buftarg *	target,
		struct xfs_buf_map *	map,
		int	nmaps,
		xfs_buf_flags_t	flags
	)

read

Definition at line 653 of file xfs_buf.c.

struct xfs_buf* xfs_buf_read_uncached	(	struct xfs_buftarg *	target,
		xfs_daddr_t	daddr,
		size_t	numblks,
		int	flags
	)

read

Definition at line 708 of file xfs_buf.c.

void xfs_buf_readahead_map	(	struct xfs_buftarg *	target,
		struct xfs_buf_map *	map,
		int	nmaps
	)

Definition at line 691 of file xfs_buf.c.

void xfs_buf_rele ( xfs_buf_t * bp )

Definition at line 879 of file xfs_buf.c.

void xfs_buf_set_empty	(	struct xfs_buf *	bp,
		size_t	numblks
	)

Definition at line 741 of file xfs_buf.c.

void xfs_buf_stale ( struct xfs_buf * bp )

Definition at line 139 of file xfs_buf.c.

void xfs_buf_terminate ( void )

Definition at line 1820 of file xfs_buf.c.

int xfs_buf_trylock ( struct xfs_buf * bp )

Definition at line 926 of file xfs_buf.c.

void xfs_buf_unlock ( struct xfs_buf * bp )

Definition at line 965 of file xfs_buf.c.

STATIC void xfs_buf_wait_unpin ( xfs_buf_t * bp )

Definition at line 975 of file xfs_buf.c.

int xfs_buftarg_shrink	(	struct shrinker *	shrink,
		struct shrink_control *	sc
	)

Definition at line 1480 of file xfs_buf.c.

int xfs_bwrite ( struct xfs_buf * bp )

Definition at line 1145 of file xfs_buf.c.

void xfs_free_buftarg	(	struct xfs_mount *	mp,
		struct xfs_buftarg *	btp
	)

Definition at line 1530 of file xfs_buf.c.

int xfs_setsize_buftarg	(	xfs_buftarg_t *	btp,
		unsigned int	blocksize,
		unsigned int	sectorsize
	)

Definition at line 1582 of file xfs_buf.c.

STATIC int xfs_setsize_buftarg_early	(	xfs_buftarg_t *	btp,
		struct block_device *	bdev
	)

Definition at line 1573 of file xfs_buf.c.

STATIC int xfs_setsize_buftarg_flags	(	xfs_buftarg_t *	btp,
		unsigned int	blocksize,
		unsigned int	sectorsize,
		int	verbose
	)

Definition at line 1543 of file xfs_buf.c.

void xfs_wait_buftarg ( struct xfs_buftarg * btp )

Definition at line 1453 of file xfs_buf.c.

void xfsbdstrat	(	struct xfs_mount *	mp,
		struct xfs_buf *	bp
	)

Definition at line 1171 of file xfs_buf.c.

Macros

Functions

Macro Definition Documentation

Function Documentation