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rbd: don't use ENOTSUPP

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ENOTSUPP is not a standard errno (it shows up as "Unknown error 524"
in an error message).  This is what was getting produced when the
the local rbd code does not implement features required by a
discovered rbd image.

Change the error code returned in this case to ENXIO.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Alex Elder 2012-11-01 08:39:26 -05:00 committed by Alex Elder
parent 61c7403562
commit b8f5c6edca
1 changed files with 1 additions and 1 deletions
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2
drivers/block/rbd.c
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@ -2456,7 +2456,7 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
incompat = le64_to_cpu(features_buf.incompat);
if (incompat & ~RBD_FEATURES_ALL)
return -ENOTSUPP;
return -ENXIO;
*snap_features = le64_to_cpu(features_buf.features);