fs: btrfs: Reject fs with sector size other than PAGE_SIZE
Although in theory u-boot fs driver could easily support more sector sizes, current code base doesn't have good enough way to grab sector size yet. This would cause problem for later LZO fixes which rely on sector size. And considering that most u-boot boards are using 4K page size, which is also the most common sector size for btrfs, rejecting fs with non-page-sized sector size shouldn't cause much problem. This should only be a quick fix before we implement better sector size support. Signed-off-by: NQu Wenruo <wqu@suse.com> Cc: Marek Behun <marek.behun@nic.cz> Reviewed-by: NMarek Behún <marek.behun@nic.cz>
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