[PATCH] seq_file conversion: coda
Compile-tested.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c
index 1c82e9a..db3b1a9 100644
--- a/fs/coda/sysctl.c
+++ b/fs/coda/sysctl.c
@@ -15,6 +15,7 @@
#include <linux/mm.h>
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/ctype.h>
@@ -84,15 +85,11 @@
return 0;
}
-static int coda_vfs_stats_get_info( char * buffer, char ** start,
- off_t offset, int length)
+static int proc_vfs_stats_show(struct seq_file *m, void *v)
{
- int len=0;
- off_t begin;
struct coda_vfs_stats * ps = & coda_vfs_stat;
- /* this works as long as we are below 1024 characters! */
- len += sprintf( buffer,
+ seq_printf(m,
"Coda VFS statistics\n"
"===================\n\n"
"File Operations:\n"
@@ -132,28 +129,14 @@
ps->rmdir,
ps->rename,
ps->permission);
-
- begin = offset;
- *start = buffer + begin;
- len -= begin;
-
- if ( len > length )
- len = length;
- if ( len < 0 )
- len = 0;
-
- return len;
+ return 0;
}
-static int coda_cache_inv_stats_get_info( char * buffer, char ** start,
- off_t offset, int length)
+static int proc_cache_inv_stats_show(struct seq_file *m, void *v)
{
- int len=0;
- off_t begin;
struct coda_cache_inv_stats * ps = & coda_cache_inv_stat;
- /* this works as long as we are below 1024 characters! */
- len += sprintf( buffer,
+ seq_printf(m,
"Coda cache invalidation statistics\n"
"==================================\n\n"
"flush\t\t%9d\n"
@@ -170,19 +153,35 @@
ps->zap_vnode,
ps->purge_fid,
ps->replace );
-
- begin = offset;
- *start = buffer + begin;
- len -= begin;
-
- if ( len > length )
- len = length;
- if ( len < 0 )
- len = 0;
-
- return len;
+ return 0;
}
+static int proc_vfs_stats_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, proc_vfs_stats_show, NULL);
+}
+
+static int proc_cache_inv_stats_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, proc_cache_inv_stats_show, NULL);
+}
+
+static const struct file_operations proc_vfs_stats_fops = {
+ .owner = THIS_MODULE,
+ .open = proc_vfs_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_cache_inv_stats_fops = {
+ .owner = THIS_MODULE,
+ .open = proc_cache_inv_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static ctl_table coda_table[] = {
{CODA_TIMEOUT, "timeout", &coda_timeout, sizeof(int), 0644, NULL, &proc_dointvec},
{CODA_HARD, "hard", &coda_hard, sizeof(int), 0644, NULL, &proc_dointvec},
@@ -212,9 +211,6 @@
#endif
-#define coda_proc_create(name,get_info) \
- create_proc_info_entry(name, 0, proc_fs_coda, get_info)
-
void coda_sysctl_init(void)
{
reset_coda_vfs_stats();
@@ -223,9 +219,15 @@
#ifdef CONFIG_PROC_FS
proc_fs_coda = proc_mkdir("coda", proc_root_fs);
if (proc_fs_coda) {
+ struct proc_dir_entry *pde;
+
proc_fs_coda->owner = THIS_MODULE;
- coda_proc_create("vfs_stats", coda_vfs_stats_get_info);
- coda_proc_create("cache_inv_stats", coda_cache_inv_stats_get_info);
+ pde = create_proc_entry("vfs_stats", 0, proc_fs_coda);
+ if (pde)
+ pde->proc_fops = &proc_vfs_stats_fops;
+ pde = create_proc_entry("cache_inv_stats", 0, proc_fs_coda);
+ if (pde)
+ pde->proc_fops = &proc_cache_inv_stats_fops;
}
#endif