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From: Christian Borntraeger on 12 Mar 2010 02:10
Ted, can you consider this patch for ext4?

From: Christian Borntraeger <borntraeger(a)de.ibm.com>

I have an x86_64 kernel with i386 userspace. e4defrag fails on the
EXT4_IOC_MOVE_EXT ioctl because it is not wired up for the compat
case. It seems that
struct move_extent is compat save, only types with fixed widths are used.
{
__u32 reserved; /* should be zero */
__u32 donor_fd; /* donor file descriptor */
__u64 orig_start; /* logical start offset in block for orig */
__u64 donor_start; /* logical start offset in block for donor */
__u64 len; /* block length to be moved */
__u64 moved_len; /* moved block length */
};


Signed-off-by: Christian Borntraeger <borntraeger(a)de.ibm.com>
Reviewed-by: Eric Sandeen <sandeen(a)redhat.com>
Acked-by: Akira Fujita <a-fujita(a)rs.jp.nec.com>

---
fs/ext4/ioctl.c | 2 ++
1 file changed, 2 insertions(+)

--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -375,6 +375,8 @@ long ext4_compat_ioctl(struct file *file
break;
case EXT4_IOC_GROUP_ADD:
break;
+ case EXT4_IOC_MOVE_EXT:
+ break;
default:
return -ENOIOCTLCMD;
}

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Prev: [BUGFIX] Fix AES-NI CTR optimization compiling failure with gas 2.16.1
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