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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Browse source 
Pull VFS updates from Al Viro,

Misc cleanups all over the place, mainly wrt /proc interfaces (switch
create_proc_entry to proc_create(), get rid of the deprecated
create_proc_read_entry() in favor of using proc_create_data() and
seq_file etc).

7kloc removed.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (204 commits)
  don't bother with deferred freeing of fdtables
  proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h
  proc: Make the PROC_I() and PDE() macros internal to procfs
  proc: Supply a function to remove a proc entry by PDE
  take cgroup_open() and cpuset_open() to fs/proc/base.c
  ppc: Clean up scanlog
  ppc: Clean up rtas_flash driver somewhat
  hostap: proc: Use remove_proc_subtree()
  drm: proc: Use remove_proc_subtree()
  drm: proc: Use minor->index to label things, not PDE->name
  drm: Constify drm_proc_list[]
  zoran: Don't print proc_dir_entry data in debug
  reiserfs: Don't access the proc_dir_entry in r_open(), r_start() r_show()
  proc: Supply an accessor for getting the data from a PDE's parent
  airo: Use remove_proc_subtree()
  rtl8192u: Don't need to save device proc dir PDE
  rtl8187se: Use a dir under /proc/net/r8180/
  proc: Add proc_mkdir_data()
  proc: Move some bits from linux/proc_fs.h to linux/{of.h,signal.h,tty.h}
  proc: Move PDE_NET() to fs/proc/proc_net.c
  ...
This commit is contained in:
Linus Torvalds 2013-05-01 17:51:54 -07:00
commit 20b4fb4852
385 changed files with 7396 additions and 14540 deletions
Download patch file Download diff file Expand all files Collapse all files

93
arch/alpha/kernel/srm_env.c
View file

@ -51,13 +51,11 @@ MODULE_LICENSE("GPL");
typedef struct _srm_env {
char *name;
unsigned long id;
struct proc_dir_entry *proc_entry;
} srm_env_t;
static struct proc_dir_entry *base_dir;
static struct proc_dir_entry *named_dir;
static struct proc_dir_entry *numbered_dir;
static char number[256][4];
static srm_env_t srm_named_entries[] = {
{ "auto_action", ENV_AUTO_ACTION },
@ -77,21 +75,18 @@ static srm_env_t srm_named_entries[] = {
{ "tty_dev", ENV_TTY_DEV },
{ NULL, 0 },
};
static srm_env_t srm_numbered_entries[256];
static int srm_env_proc_show(struct seq_file *m, void *v)
{
unsigned long ret;
srm_env_t *entry;
unsigned long id = (unsigned long)m->private;
char *page;
entry = m->private;
page = (char *)__get_free_page(GFP_USER);
if (!page)
return -ENOMEM;
ret = callback_getenv(entry->id, page, PAGE_SIZE);
ret = callback_getenv(id, page, PAGE_SIZE);
if ((ret >> 61) == 0) {
seq_write(m, page, ret);
@ -104,14 +99,14 @@ static int srm_env_proc_show(struct seq_file *m, void *v)
static int srm_env_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, srm_env_proc_show, PDE(inode)->data);
return single_open(file, srm_env_proc_show, PDE_DATA(inode));
}
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 = PDE(file_inode(file))->data;
unsigned long id = (unsigned long)PDE_DATA(file_inode(file));
char *buf = (char *) __get_free_page(GFP_USER);
unsigned long ret1, ret2;
@ -127,7 +122,7 @@ static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer,
goto out;
buf[count] = '\0';
ret1 = callback_setenv(entry->id, buf, count);
ret1 = callback_setenv(id, buf, count);
if ((ret1 >> 61) == 0) {
do
ret2 = callback_save_env();
@ -149,52 +144,6 @@ static const struct file_operations srm_env_proc_fops = {
.write = srm_env_proc_write,
};
static void
srm_env_cleanup(void)
{
srm_env_t *entry;
unsigned long var_num;
if (base_dir) {
/*
* Remove named entries
*/
if (named_dir) {
entry = srm_named_entries;
while (entry->name != NULL && entry->id != 0) {
if (entry->proc_entry) {
remove_proc_entry(entry->name,
named_dir);
entry->proc_entry = NULL;
}
entry++;
}
remove_proc_entry(NAMED_DIR, base_dir);
}
/*
* Remove numbered entries
*/
if (numbered_dir) {
for (var_num = 0; var_num <= 255; var_num++) {
entry = &srm_numbered_entries[var_num];
if (entry->proc_entry) {
remove_proc_entry(entry->name,
numbered_dir);
entry->proc_entry = NULL;
entry->name = NULL;
}
}
remove_proc_entry(NUMBERED_DIR, base_dir);
}
remove_proc_entry(BASE_DIR, NULL);
}
return;
}
static int __init
srm_env_init(void)
{
@ -212,12 +161,6 @@ srm_env_init(void)
return -ENODEV;
}
/*
* Init numbers
*/
for (var_num = 0; var_num <= 255; var_num++)
sprintf(number[var_num], "%ld", var_num);
/*
* Create base directory
*/
@ -225,7 +168,7 @@ srm_env_init(void)
if (!base_dir) {
printk(KERN_ERR "Couldn't create base dir /proc/%s\n",
BASE_DIR);
goto cleanup;
return -ENOMEM;
}
/*
@ -254,9 +197,8 @@ srm_env_init(void)
*/
entry = srm_named_entries;
while (entry->name && entry->id) {
entry->proc_entry = proc_create_data(entry->name, 0644, named_dir,
&srm_env_proc_fops, entry);
if (!entry->proc_entry)
if (!proc_create_data(entry->name, 0644, named_dir,
&srm_env_proc_fops, (void *)entry->id))
goto cleanup;
entry++;
}
@ -265,15 +207,11 @@ srm_env_init(void)
* Create all numbered nodes
*/
for (var_num = 0; var_num <= 255; var_num++) {
entry = &srm_numbered_entries[var_num];
entry->name = number[var_num];
entry->proc_entry = proc_create_data(entry->name, 0644, numbered_dir,
&srm_env_proc_fops, entry);
if (!entry->proc_entry)
char name[4];
sprintf(name, "%ld", var_num);
if (!proc_create_data(name, 0644, numbered_dir,
&srm_env_proc_fops, (void *)var_num))
goto cleanup;
entry->id = var_num;
}
printk(KERN_INFO "%s: version %s loaded successfully\n", NAME,
@ -282,18 +220,15 @@ srm_env_init(void)
return 0;
cleanup:
srm_env_cleanup();
remove_proc_subtree(BASE_DIR, NULL);
return -ENOMEM;
}
static void __exit
srm_env_exit(void)
{
srm_env_cleanup();
remove_proc_subtree(BASE_DIR, NULL);
printk(KERN_INFO "%s: unloaded successfully\n", NAME);
return;
}
module_init(srm_env_init);