From e3e670d0061ff121293dafb37d1f14a7069d49d5 Mon Sep 17 00:00:00 2001 From: Matthew Ahrens Date: Wed, 13 Jan 2016 16:10:38 -0800 Subject: [PATCH] Illumos 4953, 4954, 4955 4953 zfs rename need not involve libshare 4954 "zfs create" need not involve libshare if we are not sharing 4955 libshare's get_zfs_dataset need not sort the datasets Reviewed by: George Wilson Reviewed by: Sebastien Roy Reviewed by: Dan McDonald Reviewed by: Gordon Ross Approved by: Garrett D'Amore References: https://www.illumos.org/issues/4953 https://www.illumos.org/issues/4954 https://www.illumos.org/issues/4955 https://github.com/illumos/illumos-gate/commit/33cde0d Porting notes: - Dropped qsort libshare_zfs.c hunk, no equivalent ZoL code. Ported-by: Brian Behlendorf Closes #4219 --- lib/libzfs/libzfs_dataset.c | 14 ++++++-------- lib/libzfs/libzfs_mount.c | 16 +++++++++------- 2 files changed, 15 insertions(+), 15 deletions(-) diff --git a/lib/libzfs/libzfs_dataset.c b/lib/libzfs/libzfs_dataset.c index 7518a3bca..d2489c11a 100644 --- a/lib/libzfs/libzfs_dataset.c +++ b/lib/libzfs/libzfs_dataset.c @@ -3992,7 +3992,6 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, } if (recursive) { - parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); if (parentname == NULL) { ret = -1; @@ -4005,8 +4004,7 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, ret = -1; goto error; } - - } else { + } else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) { if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, force_unmount ? MS_FORCE : 0)) == NULL) return (-1); @@ -4055,23 +4053,23 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive, * On failure, we still want to remount any filesystems that * were previously mounted, so we don't alter the system state. */ - if (!recursive) + if (cl != NULL) (void) changelist_postfix(cl); } else { - if (!recursive) { + if (cl != NULL) { changelist_rename(cl, zfs_get_name(zhp), target); ret = changelist_postfix(cl); } } error: - if (parentname) { + if (parentname != NULL) { free(parentname); } - if (zhrp) { + if (zhrp != NULL) { zfs_close(zhrp); } - if (cl) { + if (cl != NULL) { changelist_free(cl); } return (ret); diff --git a/lib/libzfs/libzfs_mount.c b/lib/libzfs/libzfs_mount.c index 41ab86131..b6c47a25d 100644 --- a/lib/libzfs/libzfs_mount.c +++ b/lib/libzfs/libzfs_mount.c @@ -22,6 +22,7 @@ /* * Copyright 2015 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2014 by Delphix. All rights reserved. */ /* @@ -745,13 +746,6 @@ zfs_share_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto) if (!zfs_is_mountable(zhp, mountpoint, sizeof (mountpoint), NULL)) return (0); - if ((ret = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) { - (void) zfs_error_fmt(hdl, EZFS_SHARENFSFAILED, - dgettext(TEXT_DOMAIN, "cannot share '%s': %s"), - zfs_get_name(zhp), sa_errorstr(ret)); - return (-1); - } - for (curr_proto = proto; *curr_proto != PROTO_END; curr_proto++) { /* * Return success if there are no share options. @@ -762,6 +756,14 @@ zfs_share_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto) strcmp(shareopts, "off") == 0) continue; + ret = zfs_init_libshare(hdl, SA_INIT_SHARE_API); + if (ret != SA_OK) { + (void) zfs_error_fmt(hdl, EZFS_SHARENFSFAILED, + dgettext(TEXT_DOMAIN, "cannot share '%s': %s"), + zfs_get_name(zhp), sa_errorstr(ret)); + return (-1); + } + /* * If the 'zoned' property is set, then zfs_is_mountable() * will have already bailed out if we are in the global zone.