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Message-Id: <20080128101610.6C123152DF@wotan.suse.de>
Date: Mon, 28 Jan 2008 11:16:10 +0100 (CET)
From: Andi Kleen <ak@...e.de>
To: linux-ext4@...r.kernel.org
Subject: [PATCH] [1/7] Convert ext2 over to use unlocked_ioctl
I checked ext2_ioctl and could not find anything in there that would
need the BKL. So convert it over to use unlocked_ioctl
Signed-off-by: Andi Kleen <ak@...e.de>
---
fs/ext2/dir.c | 2 +-
fs/ext2/ext2.h | 3 +--
fs/ext2/file.c | 4 ++--
fs/ext2/ioctl.c | 12 +++---------
4 files changed, 7 insertions(+), 14 deletions(-)
Index: linux/fs/ext2/dir.c
===================================================================
--- linux.orig/fs/ext2/dir.c
+++ linux/fs/ext2/dir.c
@@ -703,7 +703,7 @@ const struct file_operations ext2_dir_op
.llseek = generic_file_llseek,
.read = generic_read_dir,
.readdir = ext2_readdir,
- .ioctl = ext2_ioctl,
+ .unlocked_ioctl = ext2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,
#endif
Index: linux/fs/ext2/ext2.h
===================================================================
--- linux.orig/fs/ext2/ext2.h
+++ linux/fs/ext2/ext2.h
@@ -139,8 +139,7 @@ int __ext2_write_begin(struct file *file
struct page **pagep, void **fsdata);
/* ioctl.c */
-extern int ext2_ioctl (struct inode *, struct file *, unsigned int,
- unsigned long);
+extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
extern long ext2_compat_ioctl(struct file *, unsigned int, unsigned long);
/* namei.c */
Index: linux/fs/ext2/file.c
===================================================================
--- linux.orig/fs/ext2/file.c
+++ linux/fs/ext2/file.c
@@ -48,7 +48,7 @@ const struct file_operations ext2_file_o
.write = do_sync_write,
.aio_read = generic_file_aio_read,
.aio_write = generic_file_aio_write,
- .ioctl = ext2_ioctl,
+ .unlocked_ioctl = ext2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,
#endif
@@ -65,7 +65,7 @@ const struct file_operations ext2_xip_fi
.llseek = generic_file_llseek,
.read = xip_file_read,
.write = xip_file_write,
- .ioctl = ext2_ioctl,
+ .unlocked_ioctl = ext2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,
#endif
Index: linux/fs/ext2/ioctl.c
===================================================================
--- linux.orig/fs/ext2/ioctl.c
+++ linux/fs/ext2/ioctl.c
@@ -17,9 +17,9 @@
#include <asm/uaccess.h>
-int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
- unsigned long arg)
+long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ struct inode *inode = filp->f_dentry->d_inode;
struct ext2_inode_info *ei = EXT2_I(inode);
unsigned int flags;
unsigned short rsv_window_size;
@@ -141,9 +141,6 @@ int ext2_ioctl (struct inode * inode, st
#ifdef CONFIG_COMPAT
long ext2_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = file->f_path.dentry->d_inode;
- int ret;
-
/* These are just misnamed, they actually get/put from/to user an int */
switch (cmd) {
case EXT2_IOC32_GETFLAGS:
@@ -161,9 +158,6 @@ long ext2_compat_ioctl(struct file *file
default:
return -ENOIOCTLCMD;
}
- lock_kernel();
- ret = ext2_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg));
- unlock_kernel();
- return ret;
+ return ext2_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
}
#endif
-
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