On Jun 23, 2009 17:25 +0900, Akira Fujita wrote:
> Block allocation restriction is cleared with this ioctl or umount filesystem.
>
> #define EXT4_IOC_CLR_GLOBAL_ALLOC_RULE _IOW('f', 17, struct ext4_alloc_rule);
>
> struct ext4_alloc_rule {
> __u64 start; /* start physical offset to clear rule */
> __u64 len; /* number of blocks to be clear */
> __u32 alloc_flag; /* not used, should be zero */
> };
Why not call EXT4_IOC_ADD_GLOBAL_ALLOC_RULE with a "clear" flag?
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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