diff options
Diffstat (limited to 'lib/libzfs/libzfs_util.c')
| -rw-r--r-- | lib/libzfs/libzfs_util.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c index 6b9cfc272..12f65a90c 100644 --- a/lib/libzfs/libzfs_util.c +++ b/lib/libzfs/libzfs_util.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2013, Joyent, Inc. All rights reserved. + * Copyright (c) 2018, Joyent, Inc. All rights reserved. * Copyright (c) 2011, 2014 by Delphix. All rights reserved. * Copyright 2016 Igor Kozhukhov <[email protected]> * Copyright (c) 2017 Datto Inc. @@ -1806,6 +1806,7 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, const char *propname; char *value; boolean_t isnone = B_FALSE; + boolean_t isauto = B_FALSE; int err = 0; if (type == ZFS_TYPE_POOL) { @@ -1847,8 +1848,9 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, (void) nvpair_value_string(elem, &value); if (strcmp(value, "none") == 0) { isnone = B_TRUE; - } else if (zfs_nicestrtonum(hdl, value, ivalp) - != 0) { + } else if (strcmp(value, "auto") == 0) { + isauto = B_TRUE; + } else if (zfs_nicestrtonum(hdl, value, ivalp) != 0) { goto error; } } else if (datatype == DATA_TYPE_UINT64) { @@ -1878,6 +1880,31 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop, prop == ZFS_PROP_SNAPSHOT_LIMIT)) { *ivalp = UINT64_MAX; } + + /* + * Special handling for setting 'refreservation' to 'auto'. Use + * UINT64_MAX to tell the caller to use zfs_fix_auto_resv(). + * 'auto' is only allowed on volumes. + */ + if (isauto) { + switch (prop) { + case ZFS_PROP_REFRESERVATION: + if ((type & ZFS_TYPE_VOLUME) == 0) { + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "'%s=auto' only allowed on " + "volumes"), nvpair_name(elem)); + goto error; + } + *ivalp = UINT64_MAX; + break; + default: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "'auto' is invalid value for '%s'"), + nvpair_name(elem)); + goto error; + } + } + break; case PROP_TYPE_INDEX: |