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JFS: switch to seq_files

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
This commit is contained in:
Alexey Dobriyan
2008-05-13 08:22:10 -05:00
committed by Dave Kleikamp
parent 88f85a55c0
commit b2e03ca748
6 changed files with 120 additions and 139 deletions
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38
fs/jfs/jfs_metapage.c
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@@ -19,10 +19,12 @@
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/bio.h>
#include <linux/init.h>
#include <linux/buffer_head.h>
#include <linux/mempool.h>
#include <linux/seq_file.h>
#include "jfs_incore.h"
#include "jfs_superblock.h"
#include "jfs_filsys.h"
@@ -804,13 +806,9 @@ void __invalidate_metapages(struct inode *ip, s64 addr, int len)
}
#ifdef CONFIG_JFS_STATISTICS
int jfs_mpstat_read(char *buffer, char **start, off_t offset, int length,
int *eof, void *data)
static int jfs_mpstat_proc_show(struct seq_file *m, void *v)
{
int len = 0;
off_t begin;
len += sprintf(buffer,
seq_printf(m,
"JFS Metapage statistics\n"
"=======================\n"
"page allocations = %d\n"
@@ -819,19 +817,19 @@ int jfs_mpstat_read(char *buffer, char **start, off_t offset, int length,
mpStat.pagealloc,
mpStat.pagefree,
mpStat.lockwait);
begin = offset;
*start = buffer + begin;
len -= begin;
if (len > length)
len = length;
else
*eof = 1;
if (len < 0)
len = 0;
return len;
return 0;
}
static int jfs_mpstat_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, jfs_mpstat_proc_show, NULL);
}
const struct file_operations jfs_mpstat_proc_fops = {
.owner = THIS_MODULE,
.open = jfs_mpstat_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif