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Differential D21795 Diff 62570 cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c

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cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c

Show First 20 Lines • Show All 4,285 Lines • ▼ Show 20 Lineszfs_rename(zfs_handle_t *zhp, const char *source, const char *target,
/* make sure source name is valid */ /* make sure source name is valid */
if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE)) if (!zfs_validate_name(hdl, zhp->zfs_name, zhp->zfs_type, B_TRUE))
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
/* /*
* Make sure the target name is valid * Make sure the target name is valid
*/ */
if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT) { if (zhp->zfs_type == ZFS_TYPE_SNAPSHOT ||
if ((strchr(target, '@') == NULL) || zhp->zfs_type == ZFS_TYPE_BOOKMARK) {
*target == '@') { const char sep = zhp->zfs_type == ZFS_TYPE_SNAPSHOT ? '@' : '#';
if ((strchr(target, sep) == NULL) || *target == sep) {
/* /*
* Snapshot target name is abbreviated, * Snapshot target name is abbreviated,
* reconstruct full dataset name * reconstruct full dataset name
*/ */
(void) strlcpy(parent, zhp->zfs_name, (void) strlcpy(parent, zhp->zfs_name, sizeof (parent));
sizeof (parent)); delim = strchr(parent, sep);
delim = strchr(parent, '@'); if (strchr(target, sep) == NULL)
if (strchr(target, '@') == NULL)
*(++delim) = '\0'; *(++delim) = '\0';
else else
*delim = '\0'; *delim = '\0';
(void) strlcat(parent, target, sizeof (parent)); (void) strlcat(parent, target, sizeof (parent));
target = parent; target = parent;
} else { } else {
/* /*
* Make sure we're renaming within the same dataset. * Make sure we're renaming within the same dataset.
*/ */
delim = strchr(target, '@'); delim = strchr(target, sep);
if (strncmp(zhp->zfs_name, target, delim - target) if (strncmp(zhp->zfs_name, target, delim - target)
!= 0 || zhp->zfs_name[delim - target] != '@') { != 0 || zhp->zfs_name[delim - target] != sep) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"snapshots must be part of same " "%s must be part of same dataset"),
"dataset")); zhp->zfs_type == ZFS_TYPE_SNAPSHOT ?
"snapshots" : "bookmarks");
return (zfs_error(hdl, EZFS_CROSSTARGET, return (zfs_error(hdl, EZFS_CROSSTARGET,
errbuf)); errbuf));
} }
} }
if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE)) if (!zfs_validate_name(hdl, target, zhp->zfs_type, B_TRUE))
return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf)); return (zfs_error(hdl, EZFS_INVALIDNAME, errbuf));
} else { } else {
▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Lines if (zhp->zfs_type == ZFS_TYPE_FILESYSTEM &&
!flags.recurse && !flags.nounmount && !flags.recurse && !flags.nounmount &&
zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, property, zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, property,
sizeof (property), NULL, NULL, 0, B_FALSE) == 0 && sizeof (property), NULL, NULL, 0, B_FALSE) == 0 &&
(strcmp(property, "legacy") == 0 || (strcmp(property, "legacy") == 0 ||
strcmp(property, "none") == 0)) { strcmp(property, "none") == 0)) {
flags.nounmount = B_TRUE; flags.nounmount = B_TRUE;
} }
if (flags.recurse) { if (flags.recurse) {
parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name); parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name);
if (parentname == NULL) { if (parentname == NULL) {
ret = -1; ret = -1;
goto error; goto error;
} }
delim = strchr(parentname, '@'); delim = strchr(parentname, '@');
*delim = '\0'; *delim = '\0';
zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET); zhrp = zfs_open(zhp->zfs_hdl, parentname, ZFS_TYPE_DATASET);
if (zhrp == NULL) { if (zhrp == NULL) {
ret = -1; ret = -1;
goto error; goto error;
} }
} else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT) { } else if (zhp->zfs_type != ZFS_TYPE_SNAPSHOT &&
zhp->zfs_type != ZFS_TYPE_BOOKMARK) {
if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, if ((cl = changelist_gather(zhp, ZFS_PROP_NAME,
flags.nounmount ? CL_GATHER_DONT_UNMOUNT : 0, flags.nounmount ? CL_GATHER_DONT_UNMOUNT : 0,
flags.forceunmount ? MS_FORCE : 0)) == NULL) { flags.forceunmount ? MS_FORCE : 0)) == NULL) {
return (-1); return (-1);
} }
if (changelist_haszonedchild(cl)) { if (changelist_haszonedchild(cl)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
Show All 28 Lines if ((ret = zfs_ioctl(zhp->zfs_hdl, ZFS_IOC_RENAME, &zc)) != 0) {
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
"cannot rename '%s'"), zc.zc_name); "cannot rename '%s'"), zc.zc_name);
if (flags.recurse && errno == EEXIST) { if (flags.recurse && errno == EEXIST) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"a child dataset already has a snapshot " "a child dataset already has a snapshot "
"with the new name")); "with the new name"));
(void) zfs_error(hdl, EZFS_EXISTS, errbuf); (void) zfs_error(hdl, EZFS_EXISTS, errbuf);
} else if (errno == EINVAL) {
(void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf);
} else { } else {
(void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf); (void) zfs_standard_error(zhp->zfs_hdl, errno, errbuf);
} }
/* /*
* On failure, we still want to remount any filesystems that * On failure, we still want to remount any filesystems that
* were previously mounted, so we don't alter the system state. * were previously mounted, so we don't alter the system state.
*/ */
▲ Show 20 Lines • Show All 799 Lines • Show Last 20 Lines