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| author | Christoph Hellwig <hch@lst.de> | 2017-01-13 15:18:16 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-13 15:18:16 -0700 |
| commit | bef13315e990fd3d3fb4c39013aefd53f06c3657 (patch) | |
| tree | 25101dd0c76363c670fd08f947ef46df48285e28 /virt | |
| parent | f80de881d8df967488b7343381619efa15019493 (diff) | |
| download | blackbird-op-linux-bef13315e990fd3d3fb4c39013aefd53f06c3657.tar.gz blackbird-op-linux-bef13315e990fd3d3fb4c39013aefd53f06c3657.zip | |
block: don't try to discard from __blkdev_issue_zeroout
Discard can return -EIO asynchronously if the alignment for the request
isn't suitable for the driver, which makes a proper fallback to other
methods in __blkdev_issue_zeroout impossible. Thus only issue a sync
discard from blkdev_issue_zeroout an don't try discard at all from
__blkdev_issue_zeroout as a non-invasive workaround.
One more reason why abusing discard for zeroing must die..
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Eryu Guan <eguan@redhat.com>
Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout")
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions
