On Wed, Jan 10, 2018 at 03:28:51PM +0100, David Sterba wrote:
> I've noticed that the updated item checker stack consumption increased
> dramatically in 542f5385e20cf97447 ("btrfs: tree-checker: Add checker
> for dir item")
>
> tree-checker.c:check_leaf +552 (176 -> 728)
>
> The array is 255 bytes long, dynamic allocation would slow down the
> sanity checks so it's more reasonable to keep it on-stack. Moving the
> variable to the scope of use reduces the stack usage again
>
> tree-checker.c:check_leaf -264 (728 -> 464)
>
> Signed-off-by: David Sterba <dste...@suse.com>
Reviewed-by: Josef Bacik <jba...@fb.com>
Thanks,
Josef
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