On Feb 24, 2009 00:05 -0500, Theodore Ts'o wrote:
> +#define EXT4_IOC_ALLOC_DA_BLKS _IO('f', 10)
> /* note ioctl 11 reserved for filesystem-independent FIEMAP ioctl */
Please don't use ioctl number 10 - it was used by an early
version of the FIEMAP ioctl that we still have in use in Lustre
filesystems. Not that there is much chance of a collision, but
it is also easily enough avoided.
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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