JFS: switch to seq_files

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>

1 files changed, 16 insertions, 19 deletions

diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index 325a9679b95a..cd2ec2988b59 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -69,6 +69,7 @@
 #include <linux/freezer.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
+#include <linux/seq_file.h>
 #include "jfs_incore.h"
 #include "jfs_filsys.h"
 #include "jfs_metapage.h"
@@ -2503,13 +2504,9 @@ exit:
 }
 
 #ifdef CONFIG_JFS_STATISTICS
-int jfs_lmstats_read(char *buffer, char **start, off_t offset, int length,
-                      int *eof, void *data)
+static int jfs_lmstats_proc_show(struct seq_file *m, void *v)
 {
-        int len = 0;
-        off_t begin;
-
-        len += sprintf(buffer,
+        seq_printf(m,
                        "JFS Logmgr stats\n"
                        "================\n"
                        "commits = %d\n"
@@ -2522,19 +2519,19 @@ int jfs_lmstats_read(char *buffer, char **start, off_t offset, int length,
                        lmStat.pagedone,
                        lmStat.full_page,
                        lmStat.partial_page);
+        return 0;
+}
 
-        begin = offset;
-        *start = buffer + begin;
-        len -= begin;
-
-        if (len > length)
-                len = length;
-        else
-                *eof = 1;
-
-        if (len < 0)
-                len = 0;
-
-        return len;
+static int jfs_lmstats_proc_open(struct inode *inode, struct file *file)
+{
+        return single_open(file, jfs_lmstats_proc_show, NULL);
 }
+
+const struct file_operations jfs_lmstats_proc_fops = {
+        .owner          = THIS_MODULE,
+        .open           = jfs_lmstats_proc_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
 #endif /* CONFIG_JFS_STATISTICS */