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yaml
---
r: 207851
b: refs/heads/master
c: c9243f5
h: refs/heads/master
i:
  207849: 2002d29
  207847: d8d0990
v: v3
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Arnd Bergmann authored and Frederic Weisbecker committed Aug 8, 2010
1 parent fa90df5 commit c65a56a
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Showing 5 changed files with 115 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 86a5ef7d777cdd61dfe82379d559dbea069aea3d
refs/heads/master: c9243f5bdd6637b2bb7dc254b54d9edf957ef17e
67 changes: 64 additions & 3 deletions trunk/fs/autofs/root.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/param.h>
#include <linux/time.h>
#include <linux/compat.h>
#include <linux/smp_lock.h>
#include "autofs_i.h"

Expand All @@ -25,13 +26,17 @@ static int autofs_root_symlink(struct inode *,struct dentry *,const char *);
static int autofs_root_unlink(struct inode *,struct dentry *);
static int autofs_root_rmdir(struct inode *,struct dentry *);
static int autofs_root_mkdir(struct inode *,struct dentry *,int);
static int autofs_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
static long autofs_root_ioctl(struct file *,unsigned int,unsigned long);
static long autofs_root_compat_ioctl(struct file *,unsigned int,unsigned long);

const struct file_operations autofs_root_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = autofs_root_readdir,
.ioctl = autofs_root_ioctl,
.unlocked_ioctl = autofs_root_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = autofs_root_compat_ioctl,
#endif
};

const struct inode_operations autofs_root_inode_operations = {
Expand Down Expand Up @@ -492,6 +497,25 @@ static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode)
}

/* Get/set timeout ioctl() operation */
#ifdef CONFIG_COMPAT
static inline int autofs_compat_get_set_timeout(struct autofs_sb_info *sbi,
unsigned int __user *p)
{
unsigned long ntimeout;

if (get_user(ntimeout, p) ||
put_user(sbi->exp_timeout / HZ, p))
return -EFAULT;

if (ntimeout > UINT_MAX/HZ)
sbi->exp_timeout = 0;
else
sbi->exp_timeout = ntimeout * HZ;

return 0;
}
#endif

static inline int autofs_get_set_timeout(struct autofs_sb_info *sbi,
unsigned long __user *p)
{
Expand Down Expand Up @@ -546,7 +570,7 @@ static inline int autofs_expire_run(struct super_block *sb,
* ioctl()'s on the root directory is the chief method for the daemon to
* generate kernel reactions
*/
static int autofs_root_ioctl(struct inode *inode, struct file *filp,
static int autofs_do_root_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct autofs_sb_info *sbi = autofs_sbi(inode->i_sb);
Expand All @@ -571,6 +595,10 @@ static int autofs_root_ioctl(struct inode *inode, struct file *filp,
return 0;
case AUTOFS_IOC_PROTOVER: /* Get protocol version */
return autofs_get_protover(argp);
#ifdef CONFIG_COMPAT
case AUTOFS_IOC_SETTIMEOUT32:
return autofs_compat_get_set_timeout(sbi, argp);
#endif
case AUTOFS_IOC_SETTIMEOUT:
return autofs_get_set_timeout(sbi, argp);
case AUTOFS_IOC_EXPIRE:
Expand All @@ -579,4 +607,37 @@ static int autofs_root_ioctl(struct inode *inode, struct file *filp,
default:
return -ENOSYS;
}

}

static long autofs_root_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
int ret;

lock_kernel();
ret = autofs_do_root_ioctl(filp->f_path.dentry->d_inode,
filp, cmd, arg);
unlock_kernel();

return ret;
}

#ifdef CONFIG_COMPAT
static long autofs_root_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = filp->f_path.dentry->d_inode;
int ret;

lock_kernel();
if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
ret = autofs_do_root_ioctl(inode, filp, cmd, arg);
else
ret = autofs_do_root_ioctl(inode, filp, cmd,
(unsigned long)compat_ptr(arg));
unlock_kernel();

return ret;
}
#endif
49 changes: 49 additions & 0 deletions trunk/fs/autofs4/root.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,17 @@
#include <linux/slab.h>
#include <linux/param.h>
#include <linux/time.h>
#include <linux/compat.h>
#include <linux/smp_lock.h>

#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 *,int);
static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long);
static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long);
static int autofs4_dir_open(struct inode *inode, struct file *file);
static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
static void *autofs4_follow_link(struct dentry *, struct nameidata *);
Expand All @@ -40,6 +43,9 @@ const struct file_operations autofs4_root_operations = {
.readdir = dcache_readdir,
.llseek = dcache_dir_lseek,
.unlocked_ioctl = autofs4_root_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = autofs4_root_compat_ioctl,
#endif
};

const struct file_operations autofs4_dir_operations = {
Expand Down Expand Up @@ -840,6 +846,26 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode)
}

/* 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)
{
int rv;
unsigned long ntimeout;

if ((rv = get_user(ntimeout, p)) ||
(rv = put_user(sbi->exp_timeout/HZ, p)))
return rv;

if (ntimeout > UINT_MAX/HZ)
sbi->exp_timeout = 0;
else
sbi->exp_timeout = ntimeout * HZ;

return 0;
}
#endif

static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
unsigned long __user *p)
{
Expand Down Expand Up @@ -933,6 +959,10 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
return autofs4_get_protosubver(sbi, p);
case AUTOFS_IOC_SETTIMEOUT:
return autofs4_get_set_timeout(sbi, p);
#ifdef CONFIG_COMPAT
case AUTOFS_IOC_SETTIMEOUT32:
return autofs4_compat_get_set_timeout(sbi, p);
#endif

case AUTOFS_IOC_ASKUMOUNT:
return autofs4_ask_umount(filp->f_path.mnt, p);
Expand Down Expand Up @@ -961,3 +991,22 @@ static long autofs4_root_ioctl(struct file *filp,

return ret;
}

#ifdef CONFIG_COMPAT
static long autofs4_root_compat_ioctl(struct file *filp,
unsigned int cmd, unsigned long arg)
{
struct inode *inode = filp->f_path.dentry->d_inode;
int ret;

lock_kernel();
if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
else
ret = autofs4_root_ioctl_unlocked(inode, filp, cmd,
(unsigned long)compat_ptr(arg));
unlock_kernel();

return ret;
}
#endif
36 changes: 0 additions & 36 deletions trunk/fs/compat_ioctl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -131,23 +131,6 @@ static int w_long(unsigned int fd, unsigned int cmd,
return err;
}

static int rw_long(unsigned int fd, unsigned int cmd,
compat_ulong_t __user *argp)
{
mm_segment_t old_fs = get_fs();
int err;
unsigned long val;

if(get_user(val, argp))
return -EFAULT;
set_fs (KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&val);
set_fs (old_fs);
if (!err && put_user(val, argp))
return -EFAULT;
return err;
}

struct compat_video_event {
int32_t type;
compat_time_t timestamp;
Expand Down Expand Up @@ -594,12 +577,6 @@ static int do_smb_getmountuid(unsigned int fd, unsigned int cmd,
return err;
}

static int ioc_settimeout(unsigned int fd, unsigned int cmd,
compat_ulong_t __user *argp)
{
return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, argp);
}

/* Bluetooth ioctls */
#define HCIUARTSETPROTO _IOW('U', 200, int)
#define HCIUARTGETPROTO _IOR('U', 201, int)
Expand Down Expand Up @@ -1281,13 +1258,6 @@ COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
COMPATIBLE_IOCTL(OSS_GETVERSION)
/* AUTOFS */
COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC)
COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER)
COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE)
COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI)
COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER)
COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT)
/* Raw devices */
COMPATIBLE_IOCTL(RAW_SETBIND)
COMPATIBLE_IOCTL(RAW_GETBIND)
Expand Down Expand Up @@ -1552,9 +1522,6 @@ static long do_ioctl_trans(int fd, unsigned int cmd,
case RAW_GETBIND:
return raw_ioctl(fd, cmd, argp);
#endif
#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int)
case AUTOFS_IOC_SETTIMEOUT32:
return ioc_settimeout(fd, cmd, argp);
/* One SMB ioctl needs translations. */
#define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
case SMB_IOC_GETMOUNTUID_32:
Expand Down Expand Up @@ -1609,9 +1576,6 @@ static long do_ioctl_trans(int fd, unsigned int cmd,
case KDSKBMETA:
case KDSKBLED:
case KDSETLED:
/* AUTOFS */
case AUTOFS_IOC_READY:
case AUTOFS_IOC_FAIL:
/* NBD */
case NBD_SET_SOCK:
case NBD_SET_BLKSIZE:
Expand Down
1 change: 1 addition & 0 deletions trunk/include/linux/auto_fs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@ struct autofs_packet_expire {
#define AUTOFS_IOC_FAIL _IO(0x93,0x61)
#define AUTOFS_IOC_CATATONIC _IO(0x93,0x62)
#define AUTOFS_IOC_PROTOVER _IOR(0x93,0x63,int)
#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,compat_ulong_t)
#define AUTOFS_IOC_SETTIMEOUT _IOWR(0x93,0x64,unsigned long)
#define AUTOFS_IOC_EXPIRE _IOR(0x93,0x65,struct autofs_packet_expire)

Expand Down

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