ocfs2: Use cpu_to_le16 for e_leaf_clusters in ocfs2_bg_discontig_add_extent.

[cascardo/linux.git] / fs / autofs4 / root.c

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index db4117e..cb1bd38 100644 (file)
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -18,7 +18,9 @@
 #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 *);
@@ -26,6 +28,7 @@ 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 *);
@@ -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 = {
@@ -198,8 +204,7 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
        }
 
        /* Initialize expiry counter after successful mount */
-       if (ino)
-               ino->last_used = jiffies;
+       ino->last_used = jiffies;
 
        spin_lock(&sbi->fs_lock);
        ino->flags &= ~AUTOFS_INF_PENDING;
@@ -840,6 +845,26 @@ 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)
 {
@@ -933,6 +958,10 @@ 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);
@@ -961,3 +990,22 @@ 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