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pnfs: fail comparison when bucket verifier not set 

This skips the WARN_ON_ONCE, but doesnt change behavior (the memcmp would
fail).

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
This commit is contained in:
Weston Andros Adamson 2014-10-01 12:58:25 -04:00 committed by Tom Haynes
parent 0a00b77b33
commit 80c76fe314
1 changed files with 5 additions and 1 deletions
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6
fs/nfs/direct.c
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@ -222,7 +222,11 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
verfp = nfs_direct_select_verf(dreq, data->ds_clp,
data->ds_commit_index);
WARN_ON_ONCE(verfp->committed < 0);
/* verifier not set so always fail */
if (verfp->committed < 0)
return 1;
return memcmp(verfp, &data->verf, sizeof(struct nfs_writeverf));
}