Re: [PATCH] fs: fix bugs for __generic_block_fiemap()

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On Sat, Jan 09, 2016 at 04:50:34PM +0800, Fan Li wrote:
> Fix 3 bugs:
> 1. If there are more than two blocks of holes after the last
>    extent of file, it would fail to add FIEMAP_EXTENT_LAST
>    to the last extent.
> 2. len hasn't been updated correctly, if len > isize and
>    start > 0.
> 3. If len is less than one block, it will be extended to
>    one block. If start + len exceeds the boundary of the 
>    original block because of the extension, one extra block 
>    will be returned.
> 
> And simplify the codes of __generic_block_fiemap() as well.

One bug fix/change per patch, please, so they can be easily
reviewed.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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