xfs: fix and streamline error handling in xfs_end_io

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commit 787eb48550 upstream.

There are two different cases of buffered I/O errors:

 - first we can have an already shutdown fs.  In that case we should skip
   any on-disk operations and just clean up the appen transaction if
   present and destroy the ioend
 - a real I/O error.  In that case we should cleanup any lingering COW
   blocks.  This gets skipped in the current code and is fixed by this
   patch.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Christoph Hellwig 2017-03-02 15:02:51 -08:00 • committed by Greg Kroah-Hartman

parent 3b83a02af2

commit d07b5855ab

1 changed files with 27 additions and 32 deletions

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fs/xfs/xfs_aops.c

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