[PATCH] [1/7] Convert ext2 over to use unlocked_ioctl

[Andi Kleen]

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 <[EMAIL PROTECTED]>

---
 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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