jfs_discard.c File Reference

#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_discard.h"
#include "jfs_dmap.h"
#include "jfs_debug.h"

Go to the source code of this file.

Functions
void	jfs_issue_discard (struct inode *ip, u64 blkno, u64 nblocks)
int	jfs_ioc_trim (struct inode *ip, struct fstrim_range *range)

Function Documentation

int jfs_ioc_trim	(	struct inode *	ip,
		struct fstrim_range *	range
	)

convert byte values to block size of filesystem: start: First Byte to trim len: number of Bytes to trim from start minlen: minimum extent length in Bytes

we trim all ag's within the range

Definition at line 80 of file jfs_discard.c.

void jfs_issue_discard	(	struct inode *	ip,
		u64	blkno,
		u64	nblocks
	)

Definition at line 45 of file jfs_discard.c.