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SubjectRe: [PATCH for-4.19 1/2] staging: erofs: fix error handling when failed to read compresssed data
On Mon, Apr 01, 2019 at 02:53:08PM +0800, Gao Xiang wrote:
> commit b6391ac73400eff38377a4a7364bd3df5efb5178 upstream.
>
> Complete read error handling paths for all three kinds of
> compressed pages:
>
> 1) For cache-managed pages, PG_uptodate will be checked since
> read_endio will unlock and SetPageUptodate for these pages;
>
> 2) For inplaced pages, read_endio cannot SetPageUptodate directly
> since it should be used to mark the final decompressed data,
> PG_error will be set with page locked for IO error instead;
>
> 3) For staging pages, PG_error is used, which is similar to
> what we do for inplaced pages.
>
> Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support")
> Cc: <stable@vger.kernel.org> # 4.19+
> Reviewed-by: Chao Yu <yuchao0@huawei.com>
> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
> ---
> This series resolves the following conflicts:
> FAILED: patch "[PATCH] staging: erofs: fix error handling when failed to read" failed to apply to 4.19-stable tree
> FAILED: patch "[PATCH] staging: erofs: keep corrupted fs from crashing kernel in" failed to apply to 4.19-stable tree

Thanks for both of these, now queued up.

greg k-h

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