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nfs/blocklayout: Make sure calculate signature length aligned

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Avoid a bad nfs server return an unaligned length of signature.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Kinglong Mee 2016-07-14 12:01:28 +08:00 committed by Trond Myklebust
parent 11487ddbdb
commit ecc2b88c4a
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/blocklayout/dev.c
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@ -89,7 +89,8 @@ nfs4_block_decode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b)
memcpy(&b->simple.sigs[i].sig, p,
b->simple.sigs[i].sig_len);
b->simple.len += 8 + 4 + b->simple.sigs[i].sig_len;
b->simple.len += 8 + 4 + \
(XDR_QUADLEN(b->simple.sigs[i].sig_len) << 2);
}
break;
case PNFS_BLOCK_VOLUME_SLICE: