Date: Wed, 6 Mar 2013 11:11:19 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r247889 - stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201303061111.r26BBJ3K087961@svn.freebsd.org>
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Author: avg Date: Wed Mar 6 11:11:18 2013 New Revision: 247889 URL: http://svnweb.freebsd.org/changeset/base/247889 Log: MFC r246532: zfs_vget, zfs_fhtovp: properly handle the z_shares_dir object Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/cddl/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) Modified: stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c ============================================================================== --- stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c Wed Mar 6 11:11:02 2013 (r247888) +++ stable/8/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c Wed Mar 6 11:11:18 2013 (r247889) @@ -2018,7 +2018,8 @@ zfs_vget(vfs_t *vfsp, ino_t ino, int fla * .zfs/snapshot/ directories, that's why we return EOPNOTSUPP. * This will make NFS to switch to LOOKUP instead of using VGET. */ - if (ino == ZFSCTL_INO_ROOT || ino == ZFSCTL_INO_SNAPDIR) + if (ino == ZFSCTL_INO_ROOT || ino == ZFSCTL_INO_SNAPDIR || + (zfsvfs->z_shares_dir != 0 && ino == zfsvfs->z_shares_dir)) return (EOPNOTSUPP); ZFS_ENTER(zfsvfs); @@ -2108,14 +2109,22 @@ zfs_fhtovp(vfs_t *vfsp, fid_t *fidp, vno return (EINVAL); } - /* A zero fid_gen means we are in the .zfs control directories */ - if (fid_gen == 0 && - (object == ZFSCTL_INO_ROOT || object == ZFSCTL_INO_SNAPDIR)) { + /* + * A zero fid_gen means we are in .zfs or the .zfs/snapshot + * directory tree. If the object == zfsvfs->z_shares_dir, then + * we are in the .zfs/shares directory tree. + */ + if ((fid_gen == 0 && + (object == ZFSCTL_INO_ROOT || object == ZFSCTL_INO_SNAPDIR)) || + (zfsvfs->z_shares_dir != 0 && object == zfsvfs->z_shares_dir)) { *vpp = zfsvfs->z_ctldir; ASSERT(*vpp != NULL); if (object == ZFSCTL_INO_SNAPDIR) { VERIFY(zfsctl_root_lookup(*vpp, "snapshot", vpp, NULL, 0, NULL, NULL, NULL, NULL, NULL) == 0); + } else if (object == zfsvfs->z_shares_dir) { + VERIFY(zfsctl_root_lookup(*vpp, "shares", vpp, NULL, + 0, NULL, NULL, NULL, NULL, NULL) == 0); } else { VN_HOLD(*vpp); }
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