Date: Wed, 23 Apr 2014 22:13:10 +0000 (UTC) From: Rick Macklem <rmacklem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r264842 - head/sys/fs/nfsclient Message-ID: <201404232213.s3NMDAtD068977@svn.freebsd.org>
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Author: rmacklem Date: Wed Apr 23 22:13:10 2014 New Revision: 264842 URL: http://svnweb.freebsd.org/changeset/base/264842 Log: Modify the NFSv4 client's Pathconf RPC (actually a Getattr Op.) so that it only does the RPC for names that are answered by the RPC. Doing the RPC for other names is harmless, but unnecessary. MFC after: 2 weeks Modified: head/sys/fs/nfsclient/nfs_clvnops.c Modified: head/sys/fs/nfsclient/nfs_clvnops.c ============================================================================== --- head/sys/fs/nfsclient/nfs_clvnops.c Wed Apr 23 22:06:43 2014 (r264841) +++ head/sys/fs/nfsclient/nfs_clvnops.c Wed Apr 23 22:13:10 2014 (r264842) @@ -3429,12 +3429,15 @@ nfs_pathconf(struct vop_pathconf_args *a struct thread *td = curthread; int attrflag, error; - if (NFS_ISV4(vp) || (NFS_ISV3(vp) && (ap->a_name == _PC_LINK_MAX || + if ((NFS_ISV34(vp) && (ap->a_name == _PC_LINK_MAX || ap->a_name == _PC_NAME_MAX || ap->a_name == _PC_CHOWN_RESTRICTED || - ap->a_name == _PC_NO_TRUNC))) { + ap->a_name == _PC_NO_TRUNC)) || + (NFS_ISV4(vp) && ap->a_name == _PC_ACL_NFS4)) { /* * Since only the above 4 a_names are returned by the NFSv3 * Pathconf RPC, there is no point in doing it for others. + * For NFSv4, the Pathconf RPC (actually a Getattr Op.) can + * be used for _PC_NFS4_ACL as well. */ error = nfsrpc_pathconf(vp, &pc, td->td_ucred, td, &nfsva, &attrflag, NULL);
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