* [PATCH 06/31] proc: move /proc/stram to m68k-specific code
@ 2008-10-17 12:42 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2008-10-17 12:42 UTC (permalink / raw)
To: linux-kernel; +Cc: geert, zippel, linux-m68k
>From 0b0306563d7b79ad215c62499ed538d15372f574 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 13:49:34 +0400
Subject: [PATCH 06/31] proc: move /proc/stram to m68k-specific code
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
arch/m68k/atari/stram.c | 28 ++++++++++++++++++++++------
fs/proc/proc_misc.c | 13 -------------
2 files changed, 22 insertions(+), 19 deletions(-)
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index 04c69ff..6ec3b7f 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -42,6 +42,7 @@
/* abbrev for the && above... */
#define DO_PROC
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#endif
/*
@@ -323,19 +324,16 @@ static int remove_region( BLOCK *block )
#ifdef DO_PROC
-#define PRINT_PROC(fmt,args...) len += sprintf( buf+len, fmt, ##args )
+#define PRINT_PROC(fmt,args...) seq_printf( m, fmt, ##args )
-int get_stram_list( char *buf )
+static int stram_proc_show(struct seq_file *m, void *v)
{
- int len = 0;
BLOCK *p;
PRINT_PROC("Total ST-RAM: %8u kB\n",
(stram_end - stram_start) >> 10);
PRINT_PROC( "Allocated regions:\n" );
for( p = alloc_list; p; p = p->next ) {
- if (len + 50 >= PAGE_SIZE)
- break;
PRINT_PROC("0x%08lx-0x%08lx: %s (",
virt_to_phys(p->start),
virt_to_phys(p->start+p->size-1),
@@ -346,9 +344,27 @@ int get_stram_list( char *buf )
PRINT_PROC( "??)\n" );
}
- return( len );
+ return 0;
+}
+
+static int stram_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, stram_proc_show, NULL);
}
+static const struct file_operations stram_proc_fops = {
+ .open = stram_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init proc_stram_init(void)
+{
+ proc_create("stram", 0, NULL, &stram_proc_fops);
+ return 0;
+}
+module_init(proc_stram_init);
#endif
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 8a9fc90..c70e2f5 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -62,7 +62,6 @@
* have a way to deal with that gracefully. Right now I used straightforward
* wrappers, but this needs further analysis wrt potential overflows.
*/
-extern int get_stram_list(char *);
extern int get_exec_domain_list(char *);
static int proc_calc_metrics(char *page, char **start, off_t off,
@@ -196,15 +195,6 @@ static const struct file_operations proc_vmstat_file_operations = {
.release = seq_release,
};
-#ifdef CONFIG_STRAM_PROC
-static int stram_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len = get_stram_list(page);
- return proc_calc_metrics(page, start, off, count, eof, len);
-}
-#endif
-
#ifdef CONFIG_BLOCK
static int partitions_open(struct inode *inode, struct file *file)
{
@@ -660,9 +650,6 @@ void __init proc_misc_init(void)
char *name;
int (*read_proc)(char*,char**,off_t,int,int*,void*);
} *p, simple_ones[] = {
-#ifdef CONFIG_STRAM_PROC
- {"stram", stram_read_proc},
-#endif
{"filesystems", filesystems_read_proc},
{"cmdline", cmdline_read_proc},
{"execdomains", execdomains_read_proc},
--
1.5.6.5
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