fat: convert to unlocked_ioctl
FAT does not require the BKL in its ioctl function, which is already serialized
through a mutex. Since we're already touching the ioctl code, also fix the
missing handling of FAT_IOCTL_GET_ATTRIBUTES in the compat code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 20a1b92..ee42b9e 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -753,9 +753,10 @@
return ret;
}
-static int fat_dir_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long fat_dir_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
+ struct inode *inode = filp->f_path.dentry->d_inode;
struct __fat_dirent __user *d1 = (struct __fat_dirent __user *)arg;
int short_only, both;
@@ -769,7 +770,7 @@
both = 1;
break;
default:
- return fat_generic_ioctl(inode, filp, cmd, arg);
+ return fat_generic_ioctl(filp, cmd, arg);
}
if (!access_ok(VERIFY_WRITE, d1, sizeof(struct __fat_dirent[2])))
@@ -809,7 +810,7 @@
both = 1;
break;
default:
- return -ENOIOCTLCMD;
+ return fat_generic_ioctl(filp, cmd, (unsigned long)arg);
}
if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2])))
@@ -831,7 +832,7 @@
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = fat_readdir,
- .ioctl = fat_dir_ioctl,
+ .unlocked_ioctl = fat_dir_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = fat_compat_dir_ioctl,
#endif