Re: 2.6.4-mm1

[Joel Becker <Joel.Becker@oracle.com>]

On Thu, Mar 11, 2004 at 09:43:54PM +0000, Joe Thornber wrote:
> struct dm_ioctl {			0
>         uint32_t version[3];		
>         uint32_t data_size;  		4
> 
>         uint32_t data_start;
> 
>         uint32_t target_count;
>         int32_t open_count;
>         uint32_t flags;		8
>         uint32_t event_nr;
>         uint32_t padding;		10 ***

	Here's probably the problem.  Many 64bit arches align 64bit
numbers on a 64bit boundary.  So it is adding 2 more words of padding to
start the u64 at offset 12.

>         uint64_t dev;			
> 
>         char name[DM_NAME_LEN];
>         char uuid[DM_UUID_LEN];
> };

Joel

-- 

Life's Little Instruction Book #313

	"Never underestimate the power of love."

Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127