The patch titled
alpha: convert srm code to seq_file
has been added to the -mm tree. Its filename is
alpha-convert-srm-code-to-seq_file.patch
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------------------------------------------------------
Subject: alpha: convert srm code to seq_file
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/alpha/kernel/srm_env.c | 65 +++++++++++++++++-----------------
1 file changed, 33 insertions(+), 32 deletions(-)
diff -puN arch/alpha/kernel/srm_env.c~alpha-convert-srm-code-to-seq_file arch/alpha/kernel/srm_env.c
--- a/arch/alpha/kernel/srm_env.c~alpha-convert-srm-code-to-seq_file
+++ a/arch/alpha/kernel/srm_env.c
@@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <asm/console.h>
#include <asm/uaccess.h>
#include <asm/machvec.h>
@@ -79,42 +80,41 @@ static srm_env_t srm_named_entries[] = {
static srm_env_t srm_numbered_entries[256];
-static int
-srm_env_read(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int srm_env_proc_show(struct seq_file *m, void *v)
{
- int nbytes;
unsigned long ret;
srm_env_t *entry;
+ char *page;
- if (off != 0) {
- *eof = 1;
- return 0;
- }
+ entry = (srm_env_t *)m->private;
+ page = (char *)__get_free_page(GFP_USER);
+ if (!page)
+ return -ENOMEM;
- entry = (srm_env_t *) data;
- ret = callback_getenv(entry->id, page, count);
+ ret = callback_getenv(entry->id, page, PAGE_SIZE);
if ((ret >> 61) == 0) {
- nbytes = (int) ret;
- *eof = 1;
+ seq_write(m, page, ret);
+ ret = 0;
} else
- nbytes = -EFAULT;
+ ret = -EFAULT;
+ free_page((unsigned long)page);
+ return ret;
+}
- return nbytes;
+static int srm_env_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, srm_env_proc_show, PDE(inode)->data);
}
-static int
-srm_env_write(struct file *file, const char __user *buffer, unsigned long count,
- void *data)
+static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *pos)
{
int res;
- srm_env_t *entry;
+ srm_env_t *entry = PDE(file->f_path.dentry->d_inode)->data;
char *buf = (char *) __get_free_page(GFP_USER);
unsigned long ret1, ret2;
- entry = (srm_env_t *) data;
-
if (!buf)
return -ENOMEM;
@@ -140,6 +140,15 @@ srm_env_write(struct file *file, const c
return res;
}
+static const struct file_operations srm_env_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = srm_env_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = srm_env_proc_write,
+};
+
static void
srm_env_cleanup(void)
{
@@ -245,15 +254,10 @@ srm_env_init(void)
*/
entry = srm_named_entries;
while (entry->name && entry->id) {
- entry->proc_entry = create_proc_entry(entry->name,
- 0644, named_dir);
+ entry->proc_entry = proc_create_data(entry->name, 0644, named_dir,
+ &srm_env_proc_fops, entry);
if (!entry->proc_entry)
goto cleanup;
-
- entry->proc_entry->data = (void *) entry;
- entry->proc_entry->read_proc = srm_env_read;
- entry->proc_entry->write_proc = srm_env_write;
-
entry++;
}
@@ -264,15 +268,12 @@ srm_env_init(void)
entry = &srm_numbered_entries[var_num];
entry->name = number[var_num];
- entry->proc_entry = create_proc_entry(entry->name,
- 0644, numbered_dir);
+ entry->proc_entry = proc_create_data(entry->name, 0644, numbered_dir,
+ &srm_env_proc_fops, entry);
if (!entry->proc_entry)
goto cleanup;
entry->id = var_num;
- entry->proc_entry->data = (void *) entry;
- entry->proc_entry->read_proc = srm_env_read;
- entry->proc_entry->write_proc = srm_env_write;
}
printk(KERN_INFO "%s: version %s loaded successfully\n", NAME,
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
linux-next.patch
thinkpad_acpi-convert-to-seq_file.patch
asus_acpi-convert-to-seq_file.patch
toshiba_acpi-convert-to-seq_file.patch
arm-convert-proc-cpu-aligment-to-seq_file.patch
proc_fops-convert-av7110.patch
proc_fops-convert-cpia.patch
proc_fops-convert-drivers-isdn-to-seq_file.patch
proc_fops-convert-drivers-isdn-to-seq_file-fix.patch
mpt-fusion-convert-to-seq_file.patch
const-constify-remaining-dev_pm_ops.patch
uml-irq-register-race-condition.patch
make-debug_bugverbose-default-to-y.patch
proc-rename-de_get-to-pde_get-and-inline-it.patch
pnpbios-convert-to-seq_file.patch
const-constify-remaining-pipe_buf_operations.patch
ufs-pass-qstr-instead-of-dentry-where-necessary-for-nfs.patch
ufs-nfs-support.patch
reiserfs-remove-proc-fs-reiserfs-version.patch
reiserfs-dont-compile-procfso-at-all-if-no-support.patch
uml-convert-to-seq_file-proc_fops.patch
alpha-convert-srm-code-to-seq_file.patch
iseries-convert-to-proc_fops.patch
clps711xfb-convert-to-proc_fops.patch
parisc-convert-proc-pdc-lcdled-to-seq_file.patch
via-pmu-convert-to-proc_fops-seq_file.patch
--
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