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-rw-r--r--fs/jfs/jfs_debug.c62
1 files changed, 28 insertions, 34 deletions
diff --git a/fs/jfs/jfs_debug.c b/fs/jfs/jfs_debug.c
index bf6ab19b86ee..6a73de84bcef 100644
--- a/fs/jfs/jfs_debug.c
+++ b/fs/jfs/jfs_debug.c
@@ -21,6 +21,7 @@
21#include <linux/ctype.h> 21#include <linux/ctype.h>
22#include <linux/module.h> 22#include <linux/module.h>
23#include <linux/proc_fs.h> 23#include <linux/proc_fs.h>
24#include <linux/seq_file.h>
24#include <asm/uaccess.h> 25#include <asm/uaccess.h>
25#include "jfs_incore.h" 26#include "jfs_incore.h"
26#include "jfs_filsys.h" 27#include "jfs_filsys.h"
@@ -30,29 +31,19 @@
30 31
31static struct proc_dir_entry *base; 32static struct proc_dir_entry *base;
32#ifdef CONFIG_JFS_DEBUG 33#ifdef CONFIG_JFS_DEBUG
33static int loglevel_read(char *page, char **start, off_t off, 34static int jfs_loglevel_proc_show(struct seq_file *m, void *v)
34 int count, int *eof, void *data)
35{ 35{
36 int len; 36 seq_printf(m, "%d\n", jfsloglevel);
37 37 return 0;
38 len = sprintf(page, "%d\n", jfsloglevel); 38}
39
40 len -= off;
41 *start = page + off;
42
43 if (len > count)
44 len = count;
45 else
46 *eof = 1;
47
48 if (len < 0)
49 len = 0;
50 39
51 return len; 40static int jfs_loglevel_proc_open(struct inode *inode, struct file *file)
41{
42 return single_open(file, jfs_loglevel_proc_show, NULL);
52} 43}
53 44
54static int loglevel_write(struct file *file, const char __user *buffer, 45static ssize_t jfs_loglevel_proc_write(struct file *file,
55 unsigned long count, void *data) 46 const char __user *buffer, size_t count, loff_t *ppos)
56{ 47{
57 char c; 48 char c;
58 49
@@ -65,22 +56,30 @@ static int loglevel_write(struct file *file, const char __user *buffer,
65 jfsloglevel = c - '0'; 56 jfsloglevel = c - '0';
66 return count; 57 return count;
67} 58}
59
60static const struct file_operations jfs_loglevel_proc_fops = {
61 .owner = THIS_MODULE,
62 .open = jfs_loglevel_proc_open,
63 .read = seq_read,
64 .llseek = seq_lseek,
65 .release = single_release,
66 .write = jfs_loglevel_proc_write,
67};
68#endif 68#endif
69 69
70static struct { 70static struct {
71 const char *name; 71 const char *name;
72 read_proc_t *read_fn; 72 const struct file_operations *proc_fops;
73 write_proc_t *write_fn;
74} Entries[] = { 73} Entries[] = {
75#ifdef CONFIG_JFS_STATISTICS 74#ifdef CONFIG_JFS_STATISTICS
76 { "lmstats", jfs_lmstats_read, }, 75 { "lmstats", &jfs_lmstats_proc_fops, },
77 { "txstats", jfs_txstats_read, }, 76 { "txstats", &jfs_txstats_proc_fops, },
78 { "xtstat", jfs_xtstat_read, }, 77 { "xtstat", &jfs_xtstat_proc_fops, },
79 { "mpstat", jfs_mpstat_read, }, 78 { "mpstat", &jfs_mpstat_proc_fops, },
80#endif 79#endif
81#ifdef CONFIG_JFS_DEBUG 80#ifdef CONFIG_JFS_DEBUG
82 { "TxAnchor", jfs_txanchor_read, }, 81 { "TxAnchor", &jfs_txanchor_proc_fops, },
83 { "loglevel", loglevel_read, loglevel_write } 82 { "loglevel", &jfs_loglevel_proc_fops }
84#endif 83#endif
85}; 84};
86#define NPROCENT ARRAY_SIZE(Entries) 85#define NPROCENT ARRAY_SIZE(Entries)
@@ -93,13 +92,8 @@ void jfs_proc_init(void)
93 return; 92 return;
94 base->owner = THIS_MODULE; 93 base->owner = THIS_MODULE;
95 94
96 for (i = 0; i < NPROCENT; i++) { 95 for (i = 0; i < NPROCENT; i++)
97 struct proc_dir_entry *p; 96 proc_create(Entries[i].name, 0, base, Entries[i].proc_fops);
98 if ((p = create_proc_entry(Entries[i].name, 0, base))) {
99 p->read_proc = Entries[i].read_fn;
100 p->write_proc = Entries[i].write_fn;
101 }
102 }
103} 97}
104 98
105void jfs_proc_clean(void) 99void jfs_proc_clean(void)