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Illumos 4953, 4954, 4955

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4953 zfs rename <snapshot> 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 <george.wilson@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Approved by: Garrett D'Amore <garrett@damore.org>

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 <behlendorf1@llnl.gov>
Closes #4219
This commit is contained in:
Matthew Ahrens 2016-01-13 16:10:38 -08:00 committed by Brian Behlendorf
parent 812e91a7e3
commit e3e670d006
2 changed files with 15 additions and 15 deletions
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14
lib/libzfs/libzfs_dataset.c
View File

@ -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);

16
lib/libzfs/libzfs_mount.c
View File

@ -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.