SUNRPC: Fix the calculation of xdr->end in xdr_get_next_encode_buffer()
I found that NFSD's new NFSv3 READDIRPLUS XDR encoder was screwing up right at the end of the page array. xdr_get_next_encode_buffer() does not compute the value of xdr->end correctly: * The check to see if we're on the final available page in xdr->buf needs to account for the space consumed by @nbytes. * The new xdr->end value needs to account for the portion of @nbytes that is to be encoded into the previous buffer. Fixes: 2825a7f9 ("nfsd4: allow encoding across page boundaries") Signed-off-by:Chuck Lever <chuck.lever@oracle.com> Reviewed-by:
NeilBrown <neilb@suse.de> Reviewed-by:
J. Bruce Fields <bfields@fieldses.org>
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