Messages in this thread | | | Date | Fri, 2 Apr 2010 17:48:31 -0400 | From | tytso@mit ... | Subject | Re: [PATCH] ext4: allow defrag (EXT4_IOC_MOVE_EXT) in 32bit compat mode |
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On Sun, Mar 07, 2010 at 09:32:10PM +0100, Christian Borntraeger wrote: > 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 */ > }; > > Lets just wire up EXT4_IOC_MOVE_EXT for the compat case.
Thanks, added to the ext4 patch queue.
- Ted
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