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authorIan Kent <raven@themaw.net>2016-03-15 14:58:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-15 16:55:16 -0700
commite9a7c2f1a548f34bcaa7640094201e8b29247940 (patch)
tree48907feeb591ddfcddfd170ecccf6c726f12624c /fs/autofs4/root.c
parentc83aa55d0bb7ec5b07fdf2346af66bc33ba3cb3d (diff)
downloadlinux-e9a7c2f1a548f34bcaa7640094201e8b29247940.tar.bz2
autofs4: coding style fixes
Try and make the coding style completely consistent throughtout the autofs module and inline with kernel coding style recommendations. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/autofs4/root.c')
-rw-r--r--fs/autofs4/root.c95
1 files changed, 52 insertions, 43 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index c6d7d3dbd52a..bdeb8838a901 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -1,16 +1,12 @@
-/* -*- c -*- --------------------------------------------------------------- *
- *
- * linux/fs/autofs/root.c
- *
- * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
- * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
- * Copyright 2001-2006 Ian Kent <raven@themaw.net>
+/*
+ * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved
+ * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
+ * Copyright 2001-2006 Ian Kent <raven@themaw.net>
*
* This file is part of the Linux kernel and is made available under
* the terms of the GNU General Public License, version 2, or at your
* option, any later version, incorporated herein by reference.
- *
- * ------------------------------------------------------------------------- */
+ */
#include <linux/capability.h>
#include <linux/errno.h>
@@ -23,16 +19,18 @@
#include "autofs_i.h"
-static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *);
-static int autofs4_dir_unlink(struct inode *,struct dentry *);
-static int autofs4_dir_rmdir(struct inode *,struct dentry *);
-static int autofs4_dir_mkdir(struct inode *,struct dentry *,umode_t);
-static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long);
+static int autofs4_dir_symlink(struct inode *, struct dentry *, const char *);
+static int autofs4_dir_unlink(struct inode *, struct dentry *);
+static int autofs4_dir_rmdir(struct inode *, struct dentry *);
+static int autofs4_dir_mkdir(struct inode *, struct dentry *, umode_t);
+static long autofs4_root_ioctl(struct file *, unsigned int, unsigned long);
#ifdef CONFIG_COMPAT
-static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long);
+static long autofs4_root_compat_ioctl(struct file *,
+ unsigned int, unsigned long);
#endif
static int autofs4_dir_open(struct inode *inode, struct file *file);
-static struct dentry *autofs4_lookup(struct inode *,struct dentry *, unsigned int);
+static struct dentry *autofs4_lookup(struct inode *,
+ struct dentry *, unsigned int);
static struct vfsmount *autofs4_d_automount(struct path *);
static int autofs4_d_manage(struct dentry *, bool);
static void autofs4_dentry_release(struct dentry *);
@@ -74,7 +72,9 @@ const struct dentry_operations autofs4_dentry_operations = {
static void autofs4_add_active(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
- struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ struct autofs_info *ino;
+
+ ino = autofs4_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
if (!ino->active_count) {
@@ -84,13 +84,14 @@ static void autofs4_add_active(struct dentry *dentry)
ino->active_count++;
spin_unlock(&sbi->lookup_lock);
}
- return;
}
static void autofs4_del_active(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
- struct autofs_info *ino = autofs4_dentry_ino(dentry);
+ struct autofs_info *ino;
+
+ ino = autofs4_dentry_ino(dentry);
if (ino) {
spin_lock(&sbi->lookup_lock);
ino->active_count--;
@@ -100,7 +101,6 @@ static void autofs4_del_active(struct dentry *dentry)
}
spin_unlock(&sbi->lookup_lock);
}
- return;
}
static int autofs4_dir_open(struct inode *inode, struct file *file)
@@ -320,7 +320,9 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path)
if (autofs_type_indirect(sbi->type) && d_unhashed(dentry)) {
struct dentry *parent = dentry->d_parent;
struct autofs_info *ino;
- struct dentry *new = d_lookup(parent, &dentry->d_name);
+ struct dentry *new;
+
+ new = d_lookup(parent, &dentry->d_name);
if (!new)
return NULL;
ino = autofs4_dentry_ino(new);
@@ -455,6 +457,7 @@ static int autofs4_d_manage(struct dentry *dentry, bool rcu_walk)
* a mount-trap.
*/
struct inode *inode;
+
if (ino->flags & (AUTOFS_INF_EXPIRING | AUTOFS_INF_NO_RCU))
return 0;
if (d_mountpoint(dentry))
@@ -494,7 +497,8 @@ static int autofs4_d_manage(struct dentry *dentry, bool rcu_walk)
}
/* Lookups in the root directory */
-static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
+static struct dentry *autofs4_lookup(struct inode *dir,
+ struct dentry *dentry, unsigned int flags)
{
struct autofs_sb_info *sbi;
struct autofs_info *ino;
@@ -513,9 +517,9 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, u
autofs4_oz_mode(sbi));
active = autofs4_lookup_active(dentry);
- if (active) {
+ if (active)
return active;
- } else {
+ else {
/*
* A dentry that is not within the root can never trigger a
* mount operation, unless the directory already exists, so we
@@ -526,7 +530,8 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, u
return ERR_PTR(-ENOENT);
/* Mark entries in the root as mount triggers */
- if (autofs_type_indirect(sbi->type) && IS_ROOT(dentry->d_parent))
+ if (IS_ROOT(dentry->d_parent) &&
+ autofs_type_indirect(sbi->type))
__managed_dentry_set_managed(dentry);
ino = autofs4_new_ino(sbi);
@@ -664,7 +669,6 @@ static void autofs_set_leaf_automount_flags(struct dentry *dentry)
if (IS_ROOT(parent->d_parent))
return;
managed_dentry_clear_managed(parent);
- return;
}
static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
@@ -687,7 +691,6 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
if (d_child->next == &parent->d_subdirs &&
d_child->prev == &parent->d_subdirs)
managed_dentry_set_managed(parent);
- return;
}
static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
@@ -728,7 +731,8 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
return 0;
}
-static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+static int autofs4_dir_mkdir(struct inode *dir,
+ struct dentry *dentry, umode_t mode)
{
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
@@ -768,7 +772,7 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t m
/* Get/set timeout ioctl() operation */
#ifdef CONFIG_COMPAT
static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
- compat_ulong_t __user *p)
+ compat_ulong_t __user *p)
{
int rv;
unsigned long ntimeout;
@@ -787,7 +791,7 @@ static inline int autofs4_compat_get_set_timeout(struct autofs_sb_info *sbi,
#endif
static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
- unsigned long __user *p)
+ unsigned long __user *p)
{
int rv;
unsigned long ntimeout;
@@ -805,13 +809,15 @@ static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
}
/* Return protocol version */
-static inline int autofs4_get_protover(struct autofs_sb_info *sbi, int __user *p)
+static inline int autofs4_get_protover(struct autofs_sb_info *sbi,
+ int __user *p)
{
return put_user(sbi->version, p);
}
/* Return protocol sub version */
-static inline int autofs4_get_protosubver(struct autofs_sb_info *sbi, int __user *p)
+static inline int autofs4_get_protosubver(struct autofs_sb_info *sbi,
+ int __user *p)
{
return put_user(sbi->sub_version, p);
}
@@ -834,9 +840,9 @@ static inline int autofs4_ask_umount(struct vfsmount *mnt, int __user *p)
}
/* Identify autofs4_dentries - this is so we can tell if there's
- an extra dentry refcount or not. We only hold a refcount on the
- dentry if its non-negative (ie, d_inode != NULL)
-*/
+ * an extra dentry refcount or not. We only hold a refcount on the
+ * dentry if its non-negative (ie, d_inode != NULL)
+ */
int is_autofs4_dentry(struct dentry *dentry)
{
return dentry && d_really_is_positive(dentry) &&
@@ -855,7 +861,7 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
void __user *p = (void __user *)arg;
DPRINTK("cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u",
- cmd,arg,sbi,task_pgrp_nr(current));
+ cmd, arg, sbi, task_pgrp_nr(current));
if (_IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
_IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT)
@@ -864,11 +870,11 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
return -EPERM;
- switch(cmd) {
+ switch (cmd) {
case AUTOFS_IOC_READY: /* Wait queue: go ahead and retry */
- return autofs4_wait_release(sbi,(autofs_wqt_t)arg,0);
+ return autofs4_wait_release(sbi, (autofs_wqt_t) arg, 0);
case AUTOFS_IOC_FAIL: /* Wait queue: fail with ENOENT */
- return autofs4_wait_release(sbi,(autofs_wqt_t)arg,-ENOENT);
+ return autofs4_wait_release(sbi, (autofs_wqt_t) arg, -ENOENT);
case AUTOFS_IOC_CATATONIC: /* Enter catatonic mode (daemon shutdown) */
autofs4_catatonic_mode(sbi);
return 0;
@@ -888,10 +894,12 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
/* return a single thing to expire */
case AUTOFS_IOC_EXPIRE:
- return autofs4_expire_run(inode->i_sb,filp->f_path.mnt,sbi, p);
+ return autofs4_expire_run(inode->i_sb,
+ filp->f_path.mnt, sbi, p);
/* same as above, but can send multiple expires through pipe */
case AUTOFS_IOC_EXPIRE_MULTI:
- return autofs4_expire_multi(inode->i_sb,filp->f_path.mnt,sbi, p);
+ return autofs4_expire_multi(inode->i_sb,
+ filp->f_path.mnt, sbi, p);
default:
return -ENOSYS;
@@ -902,12 +910,13 @@ static long autofs4_root_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
+
return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
}
#ifdef CONFIG_COMPAT
static long autofs4_root_compat_ioctl(struct file *filp,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
int ret;
@@ -916,7 +925,7 @@ static long autofs4_root_compat_ioctl(struct file *filp,
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
else
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
- (unsigned long)compat_ptr(arg));
+ (unsigned long) compat_ptr(arg));
return ret;
}