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NFS: Fix size of NFSACL SETACL operations

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commit d683cc49daf7c5afca8cd9654aaa1bf63cdf2ad9 upstream.

When encoding the NFSACL SETACL operation, reserve just the estimated
size of the ACL rather than a fixed maximum. This eliminates needless
zero padding on the wire that the server ignores.

Fixes: ee5dc7732b ('NFS: Fix "kernel BUG at fs/nfs/nfs3xdr.c:1338!"')
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chuck Lever
2015-05-26 11:53:52 -04:00
committed by Greg Kroah-Hartman
parent 6afa955908
commit f35c364f0e
1 changed files with 1 additions and 1 deletions
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fs/nfs/nfs3xdr.c
+1 -1
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@@ -1342,7 +1342,7 @@ static void nfs3_xdr_enc_setacl3args(struct rpc_rqst *req,
if (args->npages != 0)
xdr_write_pages(xdr, args->pages, 0, args->len);
else
xdr_reserve_space(xdr, NFS_ACL_INLINE_BUFSIZE);
xdr_reserve_space(xdr, args->len);
error = nfsacl_encode(xdr->buf, base, args->inode,
(args->mask & NFS_ACL) ?