From: J. Bruce Fields Date: Thu, 3 Dec 2009 13:10:17 +0000 (-0500) Subject: Re: acl trouble after upgrading ubuntu X-Git-Tag: firefly_0821_release~9833^2~3867^2^2~2^2~9 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d327cf7449e6fd5cbac784c641770e9366faa386;p=firefly-linux-kernel-4.4.55.git Re: acl trouble after upgrading ubuntu Subject: [PATCH] nfs: fix acl decoding Commit 28f566942c6b1d929f5e240e69e7081b77b238d3 "NFS: use dynamically computed compound_hdr.replen for xdr_inline_pages offset" accidentally changed the amount of space to allow for the acl reply, resulting in an IO error on attempts to get an acl. Reported-by: Paul Rudin Cc: Benny Halevy Signed-off-by: J. Bruce Fields Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 20b4e30e6c82..3a71b40a990a 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2096,7 +2096,7 @@ nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, encode_compound_hdr(&xdr, req, &hdr); encode_sequence(&xdr, &args->seq_args, &hdr); encode_putfh(&xdr, args->fh, &hdr); - replen = hdr.replen + nfs4_fattr_bitmap_maxsz + 1; + replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr); xdr_inline_pages(&req->rq_rcv_buf, replen << 2,