xfs_file.c File Reference

#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_log.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_trans.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
#include "xfs_alloc.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
#include "xfs_bmap.h"
#include "xfs_error.h"
#include "xfs_vnodeops.h"
#include "xfs_da_btree.h"
#include "xfs_ioctl.h"
#include "xfs_trace.h"
#include <linux/dcache.h>
#include <linux/falloc.h>
#include <linux/pagevec.h>

Go to the source code of this file.

Enumerations
enum	{ HOLE_OFF = 0, DATA_OFF }

Functions
STATIC int	xfs_iozero (struct xfs_inode *ip, loff_t pos, size_t count)
STATIC int	xfs_dir_fsync (struct file *file, loff_t start, loff_t end, int datasync)
STATIC int	xfs_file_fsync (struct file *file, loff_t start, loff_t end, int datasync)
STATIC ssize_t	xfs_file_aio_read (struct kiocb *iocb, const struct iovec *iovp, unsigned long nr_segs, loff_t pos)
STATIC ssize_t	xfs_file_splice_read (struct file *infilp, loff_t *ppos, struct pipe_inode_info *pipe, size_t count, unsigned int flags)
STATIC ssize_t	xfs_file_splice_write (struct pipe_inode_info *pipe, struct file *outfilp, loff_t *ppos, size_t count, unsigned int flags)
STATIC int	xfs_zero_last_block (struct xfs_inode *ip, xfs_fsize_t offset, xfs_fsize_t isize)
int	xfs_zero_eof (struct xfs_inode *ip, xfs_off_t offset, xfs_fsize_t isize)
STATIC ssize_t	xfs_file_aio_write_checks (struct file *file, loff_t *pos, size_t *count, int *iolock)
STATIC ssize_t	xfs_file_dio_aio_write (struct kiocb *iocb, const struct iovec *iovp, unsigned long nr_segs, loff_t pos, size_t ocount)
STATIC ssize_t	xfs_file_buffered_aio_write (struct kiocb *iocb, const struct iovec *iovp, unsigned long nr_segs, loff_t pos, size_t ocount)
STATIC ssize_t	xfs_file_aio_write (struct kiocb *iocb, const struct iovec *iovp, unsigned long nr_segs, loff_t pos)
STATIC long	xfs_file_fallocate (struct file *file, int mode, loff_t offset, loff_t len)
STATIC int	xfs_file_open (struct inode *inode, struct file *file)
STATIC int	xfs_dir_open (struct inode *inode, struct file *file)
STATIC int	xfs_file_release (struct inode *inode, struct file *filp)
STATIC int	xfs_file_readdir (struct file *filp, void *dirent, filldir_t filldir)
STATIC int	xfs_file_mmap (struct file *filp, struct vm_area_struct *vma)
STATIC int	xfs_vm_page_mkwrite (struct vm_area_struct *vma, struct vm_fault *vmf)
STATIC bool	xfs_lookup_buffer_offset (struct page *page, loff_t *offset, unsigned int type)
STATIC bool	xfs_find_get_desired_pgoff (struct inode *inode, struct xfs_bmbt_irec *map, unsigned int type, loff_t *offset)
STATIC loff_t	xfs_seek_data (struct file *file, loff_t start)
STATIC loff_t	xfs_seek_hole (struct file *file, loff_t start)
STATIC loff_t	xfs_file_llseek (struct file *file, loff_t offset, int origin)

Variables
struct file_operations	xfs_file_operations
struct file_operations	xfs_dir_file_operations

Enumeration Type Documentation

anonymous enum

Enumerator:

HOLE_OFF
DATA_OFF

Definition at line 966 of file xfs_file.c.

Function Documentation

STATIC int xfs_dir_fsync	(	struct file *	file,
		loff_t	start,
		loff_t	end,
		int	datasync
	)

Definition at line 133 of file xfs_file.c.

STATIC int xfs_dir_open	(	struct inode *	inode,
		struct file *	file
	)

Definition at line 874 of file xfs_file.c.

STATIC ssize_t xfs_file_aio_read	(	struct kiocb *	iocb,
		const struct iovec *	iovp,
		unsigned long	nr_segs,
		loff_t	pos
	)

Definition at line 226 of file xfs_file.c.

STATIC ssize_t xfs_file_aio_write	(	struct kiocb *	iocb,
		const struct iovec *	iovp,
		unsigned long	nr_segs,
		loff_t	pos
	)

Definition at line 750 of file xfs_file.c.

STATIC ssize_t xfs_file_aio_write_checks	(	struct file *	file,
		loff_t *	pos,
		size_t *	count,
		int *	iolock
	)

Definition at line 539 of file xfs_file.c.

STATIC ssize_t xfs_file_buffered_aio_write	(	struct kiocb *	iocb,
		const struct iovec *	iovp,
		unsigned long	nr_segs,
		loff_t	pos,
		size_t	ocount
	)

Definition at line 703 of file xfs_file.c.

STATIC ssize_t xfs_file_dio_aio_write	(	struct kiocb *	iocb,
		const struct iovec *	iovp,
		unsigned long	nr_segs,
		loff_t	pos,
		size_t	ocount
	)

Definition at line 619 of file xfs_file.c.

STATIC long xfs_file_fallocate	(	struct file *	file,
		int	mode,
		loff_t	offset,
		loff_t	len
	)

Definition at line 804 of file xfs_file.c.

STATIC int xfs_file_fsync	(	struct file *	file,
		loff_t	start,
		loff_t	end,
		int	datasync
	)

Definition at line 156 of file xfs_file.c.

STATIC loff_t xfs_file_llseek	(	struct file *	file,
		loff_t	offset,
		int	origin
	)

Definition at line 1392 of file xfs_file.c.

STATIC int xfs_file_mmap	(	struct file *	filp,
		struct vm_area_struct *	vma
	)

Definition at line 938 of file xfs_file.c.

STATIC int xfs_file_open	(	struct inode *	inode,
		struct file *	file
	)

Definition at line 862 of file xfs_file.c.

STATIC int xfs_file_readdir	(	struct file *	filp,
		void *	dirent,
		filldir_t	filldir
	)

Definition at line 906 of file xfs_file.c.

STATIC int xfs_file_release	(	struct inode *	inode,
		struct file *	filp
	)

Definition at line 898 of file xfs_file.c.

STATIC ssize_t xfs_file_splice_read	(	struct file *	infilp,
		loff_t *	ppos,
		struct pipe_inode_info *	pipe,
		size_t	count,
		unsigned int	flags
	)

Definition at line 314 of file xfs_file.c.

STATIC ssize_t xfs_file_splice_write	(	struct pipe_inode_info *	pipe,
		struct file *	outfilp,
		loff_t *	ppos,
		size_t	count,
		unsigned int	flags
	)

Definition at line 354 of file xfs_file.c.

STATIC bool xfs_find_get_desired_pgoff	(	struct inode *	inode,
		struct xfs_bmbt_irec *	map,
		unsigned int	type,
		loff_t *	offset
	)

Definition at line 1032 of file xfs_file.c.

STATIC int xfs_iozero	(	struct xfs_inode *	ip,
		loff_t	pos,
		size_t	count
	)

Definition at line 88 of file xfs_file.c.

STATIC bool xfs_lookup_buffer_offset	(	struct page *	page,
		loff_t *	offset,
		unsigned int	type
	)

Definition at line 979 of file xfs_file.c.

STATIC loff_t xfs_seek_data	(	struct file *	file,
		loff_t	start
	)

Definition at line 1181 of file xfs_file.c.

STATIC loff_t xfs_seek_hole	(	struct file *	file,
		loff_t	start
	)

Definition at line 1283 of file xfs_file.c.

STATIC int xfs_vm_page_mkwrite	(	struct vm_area_struct *	vma,
		struct vm_fault *	vmf
	)

Definition at line 955 of file xfs_file.c.

int xfs_zero_eof	(	struct xfs_inode *	ip,
		xfs_off_t	offset,
		xfs_fsize_t	isize
	)

Definition at line 439 of file xfs_file.c.

STATIC int xfs_zero_last_block	(	struct xfs_inode *	ip,
		xfs_fsize_t	offset,
		xfs_fsize_t	isize
	)

Definition at line 393 of file xfs_file.c.

Variable Documentation

struct file_operations xfs_dir_file_operations

Initial value:

= {
    .open       = xfs_dir_open,
    .read       = generic_read_dir,
    .readdir    = xfs_file_readdir,
    .llseek     = generic_file_llseek,
    .unlocked_ioctl = xfs_file_ioctl,



    .fsync      = xfs_dir_fsync,
}

Definition at line 1430 of file xfs_file.c.

struct file_operations xfs_file_operations

Initial value:

= {
    .llseek     = xfs_file_llseek,
    .read       = do_sync_read,
    .write      = do_sync_write,
    .aio_read   = xfs_file_aio_read,
    .aio_write  = xfs_file_aio_write,
    .splice_read    = xfs_file_splice_read,
    .splice_write   = xfs_file_splice_write,
    .unlocked_ioctl = xfs_file_ioctl,



    .mmap       = xfs_file_mmap,
    .open       = xfs_file_open,
    .release    = xfs_file_release,
    .fsync      = xfs_file_fsync,
    .fallocate  = xfs_file_fallocate,
}

Definition at line 1411 of file xfs_file.c.