Merge commit 'refs/top-bases/linux-configure-branch' into linux-configure-branch
This commit is contained in:
commit
ca60603ce7
|
@ -190,6 +190,8 @@ zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
|
|||
|
||||
int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
|
||||
|
||||
int zvol_create_link(libzfs_handle_t *, const char *);
|
||||
int zvol_remove_link(libzfs_handle_t *, const char *);
|
||||
boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *);
|
||||
|
||||
void namespace_clear(libzfs_handle_t *);
|
||||
|
|
|
@ -58,6 +58,7 @@
|
|||
#include "libzfs_impl.h"
|
||||
#include "zfs_deleg.h"
|
||||
|
||||
static int zvol_create_link_common(libzfs_handle_t *, const char *, int);
|
||||
static int userquota_propname_decode(const char *propname, boolean_t zoned,
|
||||
zfs_userquota_prop_t *typep, char *domain, int domainlen, uint64_t *ridp);
|
||||
|
||||
|
@ -2868,6 +2869,18 @@ zfs_create(libzfs_handle_t *hdl, const char *path, zfs_type_t type,
|
|||
/* create the dataset */
|
||||
ret = zfs_ioctl(hdl, ZFS_IOC_CREATE, &zc);
|
||||
|
||||
if (ret == 0 && type == ZFS_TYPE_VOLUME) {
|
||||
ret = zvol_create_link(hdl, path);
|
||||
if (ret) {
|
||||
(void) zfs_standard_error(hdl, errno,
|
||||
dgettext(TEXT_DOMAIN,
|
||||
"Volume successfully created, but device links "
|
||||
"were not created"));
|
||||
zcmd_free_nvlists(&zc);
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
zcmd_free_nvlists(&zc);
|
||||
|
||||
/* check for failure */
|
||||
|
@ -2930,6 +2943,9 @@ zfs_destroy(zfs_handle_t *zhp, boolean_t defer)
|
|||
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
||||
|
||||
if (ZFS_IS_VOLUME(zhp)) {
|
||||
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0)
|
||||
return (-1);
|
||||
|
||||
zc.zc_objset_type = DMU_OST_ZVOL;
|
||||
} else {
|
||||
zc.zc_objset_type = DMU_OST_ZFS;
|
||||
|
@ -2972,9 +2988,17 @@ zfs_check_snap_cb(zfs_handle_t *zhp, void *arg)
|
|||
zfs_close(szhp);
|
||||
}
|
||||
|
||||
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
||||
(void) zvol_remove_link(zhp->zfs_hdl, name);
|
||||
/*
|
||||
* NB: this is simply a best-effort. We don't want to
|
||||
* return an error, because then we wouldn't visit all
|
||||
* the volumes.
|
||||
*/
|
||||
}
|
||||
|
||||
dd->closezhp = B_TRUE;
|
||||
if (!dd->gotone)
|
||||
rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, arg);
|
||||
rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, arg);
|
||||
if (closezhp)
|
||||
zfs_close(zhp);
|
||||
return (rv);
|
||||
|
@ -3109,11 +3133,70 @@ zfs_clone(zfs_handle_t *zhp, const char *target, nvlist_t *props)
|
|||
return (zfs_standard_error(zhp->zfs_hdl, errno,
|
||||
errbuf));
|
||||
}
|
||||
} else if (ZFS_IS_VOLUME(zhp)) {
|
||||
ret = zvol_create_link(zhp->zfs_hdl, target);
|
||||
}
|
||||
|
||||
return (ret);
|
||||
}
|
||||
|
||||
typedef struct promote_data {
|
||||
char cb_mountpoint[MAXPATHLEN];
|
||||
const char *cb_target;
|
||||
const char *cb_errbuf;
|
||||
uint64_t cb_pivot_txg;
|
||||
} promote_data_t;
|
||||
|
||||
static int
|
||||
promote_snap_cb(zfs_handle_t *zhp, void *data)
|
||||
{
|
||||
promote_data_t *pd = data;
|
||||
zfs_handle_t *szhp;
|
||||
char snapname[MAXPATHLEN];
|
||||
int rv = 0;
|
||||
|
||||
/* We don't care about snapshots after the pivot point */
|
||||
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > pd->cb_pivot_txg) {
|
||||
zfs_close(zhp);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Remove the device link if it's a zvol. */
|
||||
if (ZFS_IS_VOLUME(zhp))
|
||||
(void) zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name);
|
||||
|
||||
/* Check for conflicting names */
|
||||
(void) strlcpy(snapname, pd->cb_target, sizeof (snapname));
|
||||
(void) strlcat(snapname, strchr(zhp->zfs_name, '@'), sizeof (snapname));
|
||||
szhp = make_dataset_handle(zhp->zfs_hdl, snapname);
|
||||
if (szhp != NULL) {
|
||||
zfs_close(szhp);
|
||||
zfs_error_aux(zhp->zfs_hdl, dgettext(TEXT_DOMAIN,
|
||||
"snapshot name '%s' from origin \n"
|
||||
"conflicts with '%s' from target"),
|
||||
zhp->zfs_name, snapname);
|
||||
rv = zfs_error(zhp->zfs_hdl, EZFS_EXISTS, pd->cb_errbuf);
|
||||
}
|
||||
zfs_close(zhp);
|
||||
return (rv);
|
||||
}
|
||||
|
||||
static int
|
||||
promote_snap_done_cb(zfs_handle_t *zhp, void *data)
|
||||
{
|
||||
promote_data_t *pd = data;
|
||||
|
||||
/* We don't care about snapshots after the pivot point */
|
||||
if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) <= pd->cb_pivot_txg) {
|
||||
/* Create the device link if it's a zvol. */
|
||||
if (ZFS_IS_VOLUME(zhp))
|
||||
(void) zvol_create_link(zhp->zfs_hdl, zhp->zfs_name);
|
||||
}
|
||||
|
||||
zfs_close(zhp);
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Promotes the given clone fs to be the clone parent.
|
||||
*/
|
||||
|
@ -3123,7 +3206,10 @@ zfs_promote(zfs_handle_t *zhp)
|
|||
libzfs_handle_t *hdl = zhp->zfs_hdl;
|
||||
zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
|
||||
char parent[MAXPATHLEN];
|
||||
char *cp;
|
||||
int ret;
|
||||
zfs_handle_t *pzhp;
|
||||
promote_data_t pd;
|
||||
char errbuf[1024];
|
||||
|
||||
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
||||
|
@ -3141,7 +3227,29 @@ zfs_promote(zfs_handle_t *zhp)
|
|||
"not a cloned filesystem"));
|
||||
return (zfs_error(hdl, EZFS_BADTYPE, errbuf));
|
||||
}
|
||||
cp = strchr(parent, '@');
|
||||
*cp = '\0';
|
||||
|
||||
/* Walk the snapshots we will be moving */
|
||||
pzhp = zfs_open(hdl, zhp->zfs_dmustats.dds_origin, ZFS_TYPE_SNAPSHOT);
|
||||
if (pzhp == NULL)
|
||||
return (-1);
|
||||
pd.cb_pivot_txg = zfs_prop_get_int(pzhp, ZFS_PROP_CREATETXG);
|
||||
zfs_close(pzhp);
|
||||
pd.cb_target = zhp->zfs_name;
|
||||
pd.cb_errbuf = errbuf;
|
||||
pzhp = zfs_open(hdl, parent, ZFS_TYPE_DATASET);
|
||||
if (pzhp == NULL)
|
||||
return (-1);
|
||||
(void) zfs_prop_get(pzhp, ZFS_PROP_MOUNTPOINT, pd.cb_mountpoint,
|
||||
sizeof (pd.cb_mountpoint), NULL, NULL, 0, FALSE);
|
||||
ret = zfs_iter_snapshots(pzhp, promote_snap_cb, &pd);
|
||||
if (ret != 0) {
|
||||
zfs_close(pzhp);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* issue the ioctl */
|
||||
(void) strlcpy(zc.zc_value, zhp->zfs_dmustats.dds_origin,
|
||||
sizeof (zc.zc_value));
|
||||
(void) strlcpy(zc.zc_name, zhp->zfs_name, sizeof (zc.zc_name));
|
||||
|
@ -3150,9 +3258,16 @@ zfs_promote(zfs_handle_t *zhp)
|
|||
if (ret != 0) {
|
||||
int save_errno = errno;
|
||||
|
||||
(void) zfs_iter_snapshots(pzhp, promote_snap_done_cb, &pd);
|
||||
zfs_close(pzhp);
|
||||
|
||||
switch (save_errno) {
|
||||
case EEXIST:
|
||||
/* There is a conflicting snapshot name. */
|
||||
/*
|
||||
* There is a conflicting snapshot name. We
|
||||
* should have caught this above, but they could
|
||||
* have renamed something in the mean time.
|
||||
*/
|
||||
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
|
||||
"conflicting snapshot '%s' from parent '%s'"),
|
||||
zc.zc_string, parent);
|
||||
|
@ -3161,7 +3276,44 @@ zfs_promote(zfs_handle_t *zhp)
|
|||
default:
|
||||
return (zfs_standard_error(hdl, save_errno, errbuf));
|
||||
}
|
||||
} else {
|
||||
(void) zfs_iter_snapshots(zhp, promote_snap_done_cb, &pd);
|
||||
}
|
||||
|
||||
zfs_close(pzhp);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
struct createdata {
|
||||
const char *cd_snapname;
|
||||
int cd_ifexists;
|
||||
};
|
||||
|
||||
static int
|
||||
zfs_create_link_cb(zfs_handle_t *zhp, void *arg)
|
||||
{
|
||||
struct createdata *cd = arg;
|
||||
int ret;
|
||||
|
||||
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
||||
char name[MAXPATHLEN];
|
||||
|
||||
(void) strlcpy(name, zhp->zfs_name, sizeof (name));
|
||||
(void) strlcat(name, "@", sizeof (name));
|
||||
(void) strlcat(name, cd->cd_snapname, sizeof (name));
|
||||
(void) zvol_create_link_common(zhp->zfs_hdl, name,
|
||||
cd->cd_ifexists);
|
||||
/*
|
||||
* NB: this is simply a best-effort. We don't want to
|
||||
* return an error, because then we wouldn't visit all
|
||||
* the volumes.
|
||||
*/
|
||||
}
|
||||
|
||||
ret = zfs_iter_filesystems(zhp, zfs_create_link_cb, cd);
|
||||
|
||||
zfs_close(zhp);
|
||||
|
||||
return (ret);
|
||||
}
|
||||
|
||||
|
@ -3225,11 +3377,31 @@ zfs_snapshot(libzfs_handle_t *hdl, const char *path, boolean_t recursive,
|
|||
* if it was recursive, the one that actually failed will be in
|
||||
* zc.zc_name.
|
||||
*/
|
||||
if (ret != 0) {
|
||||
if (ret != 0)
|
||||
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
|
||||
"cannot create snapshot '%s@%s'"), zc.zc_name, zc.zc_value);
|
||||
(void) zfs_standard_error(hdl, errno, errbuf);
|
||||
|
||||
if (ret == 0 && recursive) {
|
||||
struct createdata cd;
|
||||
|
||||
cd.cd_snapname = delim + 1;
|
||||
cd.cd_ifexists = B_FALSE;
|
||||
(void) zfs_iter_filesystems(zhp, zfs_create_link_cb, &cd);
|
||||
}
|
||||
if (ret == 0 && zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
||||
ret = zvol_create_link(zhp->zfs_hdl, path);
|
||||
if (ret != 0) {
|
||||
(void) zfs_standard_error(hdl, errno,
|
||||
dgettext(TEXT_DOMAIN,
|
||||
"Volume successfully snapshotted, but device links "
|
||||
"were not created"));
|
||||
zfs_close(zhp);
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
if (ret != 0)
|
||||
(void) zfs_standard_error(hdl, errno, errbuf);
|
||||
|
||||
zfs_close(zhp);
|
||||
|
||||
|
@ -3332,6 +3504,8 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
|
|||
*/
|
||||
|
||||
if (zhp->zfs_type == ZFS_TYPE_VOLUME) {
|
||||
if (zvol_remove_link(zhp->zfs_hdl, zhp->zfs_name) != 0)
|
||||
return (-1);
|
||||
if (zfs_which_resv_prop(zhp, &resv_prop) < 0)
|
||||
return (-1);
|
||||
old_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE);
|
||||
|
@ -3369,6 +3543,10 @@ zfs_rollback(zfs_handle_t *zhp, zfs_handle_t *snap, boolean_t force)
|
|||
*/
|
||||
if ((zhp->zfs_type == ZFS_TYPE_VOLUME) &&
|
||||
(zhp = make_dataset_handle(zhp->zfs_hdl, zhp->zfs_name))) {
|
||||
if ((err = zvol_create_link(zhp->zfs_hdl, zhp->zfs_name))) {
|
||||
zfs_close(zhp);
|
||||
return (err);
|
||||
}
|
||||
if (restore_resv) {
|
||||
new_volsize = zfs_prop_get_int(zhp, ZFS_PROP_VOLSIZE);
|
||||
if (old_volsize != new_volsize)
|
||||
|
@ -3517,6 +3695,7 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
|
|||
}
|
||||
|
||||
if (recursive) {
|
||||
struct destroydata dd;
|
||||
|
||||
parentname = zfs_strdup(zhp->zfs_hdl, zhp->zfs_name);
|
||||
if (parentname == NULL) {
|
||||
|
@ -3531,6 +3710,15 @@ zfs_rename(zfs_handle_t *zhp, const char *target, boolean_t recursive)
|
|||
goto error;
|
||||
}
|
||||
|
||||
dd.snapname = delim + 1;
|
||||
dd.gotone = B_FALSE;
|
||||
dd.closezhp = B_TRUE;
|
||||
|
||||
/* We remove any zvol links prior to renaming them */
|
||||
ret = zfs_iter_filesystems(zhrp, zfs_check_snap_cb, &dd);
|
||||
if (ret) {
|
||||
goto error;
|
||||
}
|
||||
} else {
|
||||
if ((cl = changelist_gather(zhp, ZFS_PROP_NAME, 0, 0)) == NULL)
|
||||
return (-1);
|
||||
|
@ -3579,10 +3767,27 @@ 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 (recursive) {
|
||||
struct createdata cd;
|
||||
|
||||
/* only create links for datasets that had existed */
|
||||
cd.cd_snapname = delim + 1;
|
||||
cd.cd_ifexists = B_TRUE;
|
||||
(void) zfs_iter_filesystems(zhrp, zfs_create_link_cb,
|
||||
&cd);
|
||||
} else {
|
||||
(void) changelist_postfix(cl);
|
||||
}
|
||||
} else {
|
||||
if (!recursive) {
|
||||
if (recursive) {
|
||||
struct createdata cd;
|
||||
|
||||
/* only create links for datasets that had existed */
|
||||
cd.cd_snapname = strchr(target, '@') + 1;
|
||||
cd.cd_ifexists = B_TRUE;
|
||||
ret = zfs_iter_filesystems(zhrp, zfs_create_link_cb,
|
||||
&cd);
|
||||
} else {
|
||||
changelist_rename(cl, zfs_get_name(zhp), target);
|
||||
ret = changelist_postfix(cl);
|
||||
}
|
||||
|
@ -3601,21 +3806,105 @@ error:
|
|||
return (ret);
|
||||
}
|
||||
|
||||
/*
|
||||
* Given a zvol dataset, issue the ioctl to create the appropriate minor node,
|
||||
* and wait briefly for udev to create the /dev link.
|
||||
*/
|
||||
int
|
||||
zvol_create_link(libzfs_handle_t *hdl, const char *dataset)
|
||||
{
|
||||
return (zvol_create_link_common(hdl, dataset, B_FALSE));
|
||||
}
|
||||
|
||||
static int
|
||||
zvol_create_link_common(libzfs_handle_t *hdl, const char *dataset, int ifexists)
|
||||
{
|
||||
zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
|
||||
char path[MAXPATHLEN];
|
||||
int error;
|
||||
|
||||
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
||||
|
||||
/*
|
||||
* Issue the appropriate ioctl.
|
||||
*/
|
||||
if (ioctl(hdl->libzfs_fd, ZFS_IOC_CREATE_MINOR, &zc) != 0) {
|
||||
switch (errno) {
|
||||
case EEXIST:
|
||||
/*
|
||||
* Silently ignore the case where the link already
|
||||
* exists. This allows 'zfs volinit' to be run multiple
|
||||
* times without errors.
|
||||
*/
|
||||
return (0);
|
||||
|
||||
case ENOENT:
|
||||
/*
|
||||
* Dataset does not exist in the kernel. If we
|
||||
* don't care (see zfs_rename), then ignore the
|
||||
* error quietly.
|
||||
*/
|
||||
if (ifexists) {
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* FALLTHROUGH */
|
||||
|
||||
default:
|
||||
return (zfs_standard_error_fmt(hdl, errno,
|
||||
dgettext(TEXT_DOMAIN, "cannot create device links "
|
||||
"for '%s'"), dataset));
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Wait up to 10 seconds for udev to create the device.
|
||||
*/
|
||||
(void) snprintf(path, sizeof (path), "%s/%s", ZVOL_DIR, dataset);
|
||||
error = zpool_label_disk_wait(path, 10000);
|
||||
if (error)
|
||||
(void) printf(gettext("%s may not be immediately "
|
||||
"available\n"), path);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Remove a minor node for the given zvol and the associated /dev links.
|
||||
*/
|
||||
int
|
||||
zvol_remove_link(libzfs_handle_t *hdl, const char *dataset)
|
||||
{
|
||||
zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 };
|
||||
|
||||
(void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
|
||||
|
||||
if (ioctl(hdl->libzfs_fd, ZFS_IOC_REMOVE_MINOR, &zc) != 0) {
|
||||
switch (errno) {
|
||||
case ENXIO:
|
||||
/*
|
||||
* Silently ignore the case where the link no longer
|
||||
* exists, so that 'zfs volfini' can be run multiple
|
||||
* times without errors.
|
||||
*/
|
||||
return (0);
|
||||
|
||||
default:
|
||||
return (zfs_standard_error_fmt(hdl, errno,
|
||||
dgettext(TEXT_DOMAIN, "cannot remove device "
|
||||
"links for '%s'"), dataset));
|
||||
}
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
nvlist_t *
|
||||
zfs_get_user_props(zfs_handle_t *zhp)
|
||||
{
|
||||
return (zhp->zfs_user_props);
|
||||
}
|
||||
|
||||
nvlist_t *
|
||||
zfs_get_recvd_props(zfs_handle_t *zhp)
|
||||
{
|
||||
if (zhp->zfs_recvd_props == NULL)
|
||||
if (get_recvd_props_ioctl(zhp) != 0)
|
||||
return (NULL);
|
||||
return (zhp->zfs_recvd_props);
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is used by 'zfs list' to determine the exact set of columns to
|
||||
* display, and their maximum widths. This does two main things:
|
||||
|
|
|
@ -3663,7 +3663,7 @@ zpool_label_disk_check(char *path)
|
|||
(void) close(fd);
|
||||
return EIDRM;
|
||||
}
|
||||
|
||||
|
||||
efi_free(vtoc);
|
||||
(void) close(fd);
|
||||
return 0;
|
||||
|
|
|
@ -2562,6 +2562,12 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
|
|||
return (-1);
|
||||
}
|
||||
}
|
||||
if (!flags.dryrun && zhp->zfs_type == ZFS_TYPE_VOLUME &&
|
||||
zvol_remove_link(hdl, zhp->zfs_name) != 0) {
|
||||
zfs_close(zhp);
|
||||
zcmd_free_nvlists(&zc);
|
||||
return (-1);
|
||||
}
|
||||
zfs_close(zhp);
|
||||
} else {
|
||||
/*
|
||||
|
@ -2755,7 +2761,6 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
|
|||
* children of the target filesystem if we did a replication
|
||||
* receive (indicated by stream_avl being non-NULL).
|
||||
*/
|
||||
#ifdef HAVE_ZPL
|
||||
cp = strchr(zc.zc_value, '@');
|
||||
if (cp && (ioctl_err == 0 || !newfs)) {
|
||||
zfs_handle_t *h;
|
||||
|
@ -2766,6 +2771,10 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
|
|||
if (h != NULL) {
|
||||
if (h->zfs_type == ZFS_TYPE_VOLUME) {
|
||||
*cp = '@';
|
||||
err = zvol_create_link(hdl, h->zfs_name);
|
||||
if (err == 0 && ioctl_err == 0)
|
||||
err = zvol_create_link(hdl,
|
||||
zc.zc_value);
|
||||
} else if (newfs || stream_avl) {
|
||||
/*
|
||||
* Track the first/top of hierarchy fs,
|
||||
|
@ -2778,7 +2787,6 @@ zfs_receive_one(libzfs_handle_t *hdl, int infd, const char *tosnap,
|
|||
}
|
||||
*cp = '@';
|
||||
}
|
||||
#endif /* HAVE_ZPL */
|
||||
|
||||
if (clp) {
|
||||
err |= changelist_postfix(clp);
|
||||
|
|
|
@ -686,13 +686,17 @@ typedef struct ddt_histogram {
|
|||
ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
|
||||
} ddt_histogram_t;
|
||||
|
||||
#define ZVOL_DRIVER "zvol"
|
||||
#define ZFS_DRIVER "zfs"
|
||||
#define ZFS_DEV "/dev/zfs"
|
||||
#define ZVOL_MAJOR 230
|
||||
#define ZVOL_MINOR_BITS 4
|
||||
#define ZVOL_MINOR_MASK ((1U << ZVOL_MINOR_BITS) - 1)
|
||||
#define ZVOL_MINORS (1 << 4)
|
||||
#define ZVOL_DRIVER "zvol"
|
||||
#define ZFS_DRIVER "zfs"
|
||||
#define ZFS_DEV "/dev/zfs"
|
||||
|
||||
/* general zvol path */
|
||||
#define ZVOL_DIR "/dev/zvol"
|
||||
|
||||
#define ZVOL_MAJOR 230
|
||||
#define ZVOL_MINOR_BITS 4
|
||||
#define ZVOL_MINOR_MASK ((1U << ZVOL_MINOR_BITS) - 1)
|
||||
#define ZVOL_MINORS (1 << 4)
|
||||
|
||||
#define ZVOL_PROP_NAME "name"
|
||||
#define ZVOL_DEFAULT_BLOCKSIZE 8192
|
||||
|
@ -726,6 +730,8 @@ typedef enum zfs_ioc {
|
|||
ZFS_IOC_DATASET_LIST_NEXT,
|
||||
ZFS_IOC_SNAPSHOT_LIST_NEXT,
|
||||
ZFS_IOC_SET_PROP,
|
||||
ZFS_IOC_CREATE_MINOR,
|
||||
ZFS_IOC_REMOVE_MINOR,
|
||||
ZFS_IOC_CREATE,
|
||||
ZFS_IOC_DESTROY,
|
||||
ZFS_IOC_ROLLBACK,
|
||||
|
|
|
@ -42,7 +42,7 @@ extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx);
|
|||
extern int zvol_create_minor(const char *);
|
||||
extern int zvol_create_minors(const char *);
|
||||
extern int zvol_remove_minor(const char *);
|
||||
extern int zvol_remove_minors(const char *);
|
||||
extern void zvol_remove_minors(const char *);
|
||||
extern int zvol_set_volsize(const char *, uint64_t);
|
||||
extern int zvol_set_volblocksize(const char *, uint64_t);
|
||||
|
||||
|
|
|
@ -1072,12 +1072,6 @@ vdev_open_child(void *arg)
|
|||
boolean_t
|
||||
vdev_uses_zvols(vdev_t *vd)
|
||||
{
|
||||
/*
|
||||
* NOTE: Disabled because under Linux I've choosen not to put all the zvols
|
||||
* in their own directory. This could be changed or this code can be updated
|
||||
* to perhap run an ioctl() on the vdev path to determine if it is a zvol.
|
||||
*/
|
||||
#if 0
|
||||
int c;
|
||||
|
||||
if (vd->vdev_path && strncmp(vd->vdev_path, ZVOL_DIR,
|
||||
|
@ -1086,7 +1080,6 @@ vdev_uses_zvols(vdev_t *vd)
|
|||
for (c = 0; c < vd->vdev_children; c++)
|
||||
if (vdev_uses_zvols(vd->vdev_child[c]))
|
||||
return (B_TRUE);
|
||||
#endif
|
||||
return (B_FALSE);
|
||||
}
|
||||
|
||||
|
|
|
@ -1135,8 +1135,9 @@ zfs_ioc_pool_destroy(struct file *filp, zfs_cmd_t *zc)
|
|||
{
|
||||
int error;
|
||||
zfs_log_history(zc);
|
||||
(void) zvol_remove_minors(zc->zc_name);
|
||||
error = spa_destroy(zc->zc_name);
|
||||
if (error == 0)
|
||||
zvol_remove_minors(zc->zc_name);
|
||||
return (error);
|
||||
}
|
||||
|
||||
|
@ -1167,7 +1168,7 @@ zfs_ioc_pool_import(struct file *filp, zfs_cmd_t *zc)
|
|||
error = spa_import(zc->zc_name, config, props);
|
||||
|
||||
if (error == 0)
|
||||
error = zvol_create_minors(zc->zc_name);
|
||||
zvol_create_minors(zc->zc_name);
|
||||
|
||||
if (zc->zc_nvlist_dst != 0)
|
||||
(void) put_nvlist(zc, config);
|
||||
|
@ -1188,10 +1189,9 @@ zfs_ioc_pool_export(struct file *filp, zfs_cmd_t *zc)
|
|||
boolean_t hardforce = (boolean_t)zc->zc_guid;
|
||||
|
||||
zfs_log_history(zc);
|
||||
error = zvol_remove_minors(zc->zc_name);
|
||||
error = spa_export(zc->zc_name, NULL, force, hardforce);
|
||||
if (error == 0)
|
||||
error = spa_export(zc->zc_name, NULL, force, hardforce);
|
||||
|
||||
zvol_remove_minors(zc->zc_name);
|
||||
return (error);
|
||||
}
|
||||
|
||||
|
@ -2467,6 +2467,30 @@ zfs_ioc_pool_get_props(struct file *filp, zfs_cmd_t *zc)
|
|||
return (error);
|
||||
}
|
||||
|
||||
/*
|
||||
* inputs:
|
||||
* zc_name name of volume
|
||||
*
|
||||
* outputs: none
|
||||
*/
|
||||
static int
|
||||
zfs_ioc_create_minor(struct file *filp, zfs_cmd_t *zc)
|
||||
{
|
||||
return (zvol_create_minor(zc->zc_name));
|
||||
}
|
||||
|
||||
/*
|
||||
* inputs:
|
||||
* zc_name name of volume
|
||||
*
|
||||
* outputs: none
|
||||
*/
|
||||
static int
|
||||
zfs_ioc_remove_minor(struct file *filp, zfs_cmd_t *zc)
|
||||
{
|
||||
return (zvol_remove_minor(zc->zc_name));
|
||||
}
|
||||
|
||||
/*
|
||||
* inputs:
|
||||
* zc_name name of filesystem
|
||||
|
@ -2865,18 +2889,9 @@ zfs_ioc_create(struct file *filp, zfs_cmd_t *zc)
|
|||
if (error == 0) {
|
||||
error = zfs_set_prop_nvlist(filp, zc->zc_name, ZPROP_SRC_LOCAL,
|
||||
nvprops, NULL);
|
||||
if (error != 0) {
|
||||
if (error != 0)
|
||||
(void) dmu_objset_destroy(zc->zc_name, B_FALSE);
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (type == DMU_OST_ZVOL) {
|
||||
error = zvol_create_minor(zc->zc_name);
|
||||
if (error != 0)
|
||||
(void) dmu_objset_destroy(zc->zc_name, B_FALSE);
|
||||
}
|
||||
}
|
||||
out:
|
||||
nvlist_free(nvprops);
|
||||
return (error);
|
||||
}
|
||||
|
@ -3001,7 +3016,7 @@ zfs_ioc_destroy(struct file *filp, zfs_cmd_t *zc)
|
|||
|
||||
err = dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy);
|
||||
if (zc->zc_objset_type == DMU_OST_ZVOL && err == 0)
|
||||
err = zvol_remove_minor(zc->zc_name);
|
||||
(void) zvol_remove_minor(zc->zc_name);
|
||||
return (err);
|
||||
}
|
||||
|
||||
|
@ -3105,7 +3120,6 @@ static int
|
|||
zfs_ioc_rename(struct file *filp, zfs_cmd_t *zc)
|
||||
{
|
||||
boolean_t recursive = zc->zc_cookie & 1;
|
||||
int err;
|
||||
|
||||
zc->zc_value[sizeof (zc->zc_value) - 1] = '\0';
|
||||
if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 ||
|
||||
|
@ -3119,16 +3133,12 @@ zfs_ioc_rename(struct file *filp, zfs_cmd_t *zc)
|
|||
*/
|
||||
if (!recursive && strchr(zc->zc_name, '@') != NULL &&
|
||||
zc->zc_objset_type == DMU_OST_ZFS) {
|
||||
err = zfs_unmount_snap(zc->zc_name, NULL);
|
||||
int err = zfs_unmount_snap(zc->zc_name, NULL);
|
||||
if (err)
|
||||
return (err);
|
||||
}
|
||||
if (zc->zc_objset_type == DMU_OST_ZVOL) {
|
||||
err = zvol_remove_minor(zc->zc_name);
|
||||
if (err)
|
||||
return (err);
|
||||
}
|
||||
|
||||
if (zc->zc_objset_type == DMU_OST_ZVOL)
|
||||
(void) zvol_remove_minor(zc->zc_name);
|
||||
return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive));
|
||||
}
|
||||
|
||||
|
@ -4426,6 +4436,10 @@ static zfs_ioc_vec_t zfs_ioc_vec[] = {
|
|||
{ zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
|
||||
B_TRUE },
|
||||
{ zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE },
|
||||
{ zfs_ioc_create_minor, zfs_secpolicy_config, DATASET_NAME, B_FALSE,
|
||||
B_FALSE },
|
||||
{ zfs_ioc_remove_minor, zfs_secpolicy_config, DATASET_NAME, B_FALSE,
|
||||
B_FALSE },
|
||||
{ zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE },
|
||||
{ zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE,
|
||||
B_TRUE},
|
||||
|
|
|
@ -57,6 +57,7 @@ static char *zvol_tag = "zvol_tag";
|
|||
* The in-core state of each volume.
|
||||
*/
|
||||
typedef struct zvol_state {
|
||||
char zv_name[DISK_NAME_LEN]; /* name */
|
||||
uint64_t zv_volsize; /* advertised space */
|
||||
uint64_t zv_volblocksize;/* volume block size */
|
||||
objset_t *zv_objset; /* objset handle */
|
||||
|
@ -130,7 +131,7 @@ zvol_find_by_name(const char *name)
|
|||
ASSERT(MUTEX_HELD(&zvol_state_lock));
|
||||
for (zv = list_head(&zvol_state_list); zv != NULL;
|
||||
zv = list_next(&zvol_state_list, zv)) {
|
||||
if (!strncmp(zv->zv_disk->disk_name, name, DISK_NAME_LEN))
|
||||
if (!strncmp(zv->zv_name, name, DISK_NAME_LEN))
|
||||
return zv;
|
||||
}
|
||||
|
||||
|
@ -182,7 +183,7 @@ int
|
|||
zvol_get_stats(objset_t *os, nvlist_t *nv)
|
||||
{
|
||||
int error;
|
||||
dmu_object_info_t doi;
|
||||
dmu_object_info_t *doi;
|
||||
uint64_t val;
|
||||
|
||||
error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &val);
|
||||
|
@ -190,14 +191,16 @@ zvol_get_stats(objset_t *os, nvlist_t *nv)
|
|||
return (error);
|
||||
|
||||
dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_VOLSIZE, val);
|
||||
|
||||
error = dmu_object_info(os, ZVOL_OBJ, &doi);
|
||||
doi = kmem_alloc(sizeof(dmu_object_info_t), KM_SLEEP);
|
||||
error = dmu_object_info(os, ZVOL_OBJ, doi);
|
||||
|
||||
if (error == 0) {
|
||||
dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_VOLBLOCKSIZE,
|
||||
doi.doi_data_block_size);
|
||||
doi->doi_data_block_size);
|
||||
}
|
||||
|
||||
kmem_free(doi, sizeof(dmu_object_info_t));
|
||||
|
||||
return (error);
|
||||
}
|
||||
|
||||
|
@ -273,7 +276,7 @@ int
|
|||
zvol_set_volsize(const char *name, uint64_t volsize)
|
||||
{
|
||||
zvol_state_t *zv;
|
||||
dmu_object_info_t doi;
|
||||
dmu_object_info_t *doi;
|
||||
objset_t *os = NULL;
|
||||
uint64_t readonly;
|
||||
int error;
|
||||
|
@ -286,26 +289,30 @@ zvol_set_volsize(const char *name, uint64_t volsize)
|
|||
goto out;
|
||||
}
|
||||
|
||||
doi = kmem_alloc(sizeof(dmu_object_info_t), KM_SLEEP);
|
||||
|
||||
error = dmu_objset_hold(name, FTAG, &os);
|
||||
if (error)
|
||||
goto out;
|
||||
goto out_doi;
|
||||
|
||||
if ((error = dmu_object_info(os, ZVOL_OBJ, &doi)) != 0 ||
|
||||
(error = zvol_check_volsize(volsize,doi.doi_data_block_size)) != 0)
|
||||
goto out;
|
||||
if ((error = dmu_object_info(os, ZVOL_OBJ, doi)) != 0 ||
|
||||
(error = zvol_check_volsize(volsize,doi->doi_data_block_size)) != 0)
|
||||
goto out_doi;
|
||||
|
||||
VERIFY(dsl_prop_get_integer(name, "readonly", &readonly, NULL) == 0);
|
||||
if (readonly) {
|
||||
error = EROFS;
|
||||
goto out;
|
||||
goto out_doi;
|
||||
}
|
||||
|
||||
if (get_disk_ro(zv->zv_disk) || (zv->zv_flags & ZVOL_RDONLY)) {
|
||||
error = EROFS;
|
||||
goto out;
|
||||
goto out_doi;
|
||||
}
|
||||
|
||||
error = zvol_update_volsize(zv, volsize);
|
||||
out_doi:
|
||||
kmem_free(doi, sizeof(dmu_object_info_t));
|
||||
out:
|
||||
if (os)
|
||||
dmu_objset_rele(os, FTAG);
|
||||
|
@ -757,11 +764,10 @@ zvol_first_open(zvol_state_t *zv)
|
|||
objset_t *os;
|
||||
uint64_t volsize;
|
||||
int error;
|
||||
uint64_t readonly;
|
||||
uint64_t ro;
|
||||
|
||||
/* lie and say we're read-only */
|
||||
error = dmu_objset_own(zv->zv_disk->disk_name,
|
||||
DMU_OST_ZVOL, B_TRUE, zvol_tag, &os);
|
||||
error = dmu_objset_own(zv->zv_name, DMU_OST_ZVOL, 1, zvol_tag, &os);
|
||||
if (error)
|
||||
return (-error);
|
||||
|
||||
|
@ -782,9 +788,8 @@ zvol_first_open(zvol_state_t *zv)
|
|||
zv->zv_volsize = volsize;
|
||||
zv->zv_zilog = zil_open(os, zvol_get_data);
|
||||
|
||||
VERIFY(dsl_prop_get_integer(zv->zv_disk->disk_name,
|
||||
"readonly", &readonly, NULL) == 0);
|
||||
if (readonly || dmu_objset_is_snapshot(os)) {
|
||||
VERIFY(dsl_prop_get_integer(zv->zv_name, "readonly", &ro, NULL) == 0);
|
||||
if (ro || dmu_objset_is_snapshot(os)) {
|
||||
set_disk_ro(zv->zv_disk, 1);
|
||||
zv->zv_flags |= ZVOL_RDONLY;
|
||||
} else {
|
||||
|
@ -1031,6 +1036,7 @@ zvol_alloc(dev_t dev, const char *name)
|
|||
zv->zv_queue->queuedata = zv;
|
||||
zv->zv_dev = dev;
|
||||
zv->zv_open_count = 0;
|
||||
strlcpy(zv->zv_name, name, DISK_NAME_LEN);
|
||||
|
||||
mutex_init(&zv->zv_znode.z_range_lock, NULL, MUTEX_DEFAULT, NULL);
|
||||
avl_create(&zv->zv_znode.z_range_avl, zfs_range_compare,
|
||||
|
@ -1043,7 +1049,7 @@ zvol_alloc(dev_t dev, const char *name)
|
|||
zv->zv_disk->fops = &zvol_ops;
|
||||
zv->zv_disk->private_data = zv;
|
||||
zv->zv_disk->queue = zv->zv_queue;
|
||||
strlcpy(zv->zv_disk->disk_name, name, DISK_NAME_LEN);
|
||||
snprintf(zv->zv_disk->disk_name, DISK_NAME_LEN, "zvol/%s", name);
|
||||
|
||||
return zv;
|
||||
|
||||
|
@ -1071,21 +1077,16 @@ zvol_free(zvol_state_t *zv)
|
|||
kmem_free(zv, sizeof (zvol_state_t));
|
||||
}
|
||||
|
||||
/*
|
||||
* Create a block device minor node and setup the linkage between it
|
||||
* and the specified volume. Once this function returns the block
|
||||
* device is live and ready for use.
|
||||
*/
|
||||
int
|
||||
zvol_create_minor(const char *name)
|
||||
static int
|
||||
__zvol_create_minor(const char *name)
|
||||
{
|
||||
zvol_state_t *zv;
|
||||
objset_t *os;
|
||||
dmu_object_info_t doi;
|
||||
dmu_object_info_t *doi;
|
||||
unsigned minor = 0;
|
||||
int error = 0;
|
||||
|
||||
mutex_enter(&zvol_state_lock);
|
||||
ASSERT(MUTEX_HELD(&zvol_state_lock));
|
||||
|
||||
zv = zvol_find_by_name(name);
|
||||
if (zv) {
|
||||
|
@ -1093,11 +1094,13 @@ zvol_create_minor(const char *name)
|
|||
goto out;
|
||||
}
|
||||
|
||||
doi = kmem_alloc(sizeof(dmu_object_info_t), KM_SLEEP);
|
||||
|
||||
error = dmu_objset_own(name, DMU_OST_ZVOL, B_TRUE, zvol_tag, &os);
|
||||
if (error)
|
||||
goto out;
|
||||
goto out_doi;
|
||||
|
||||
error = dmu_object_info(os, ZVOL_OBJ, &doi);
|
||||
error = dmu_object_info(os, ZVOL_OBJ, doi);
|
||||
if (error)
|
||||
goto out_dmu_objset_disown;
|
||||
|
||||
|
@ -1114,7 +1117,7 @@ zvol_create_minor(const char *name)
|
|||
if (dmu_objset_is_snapshot(os))
|
||||
zv->zv_flags |= ZVOL_RDONLY;
|
||||
|
||||
zv->zv_volblocksize = doi.doi_data_block_size;
|
||||
zv->zv_volblocksize = doi->doi_data_block_size;
|
||||
|
||||
if (zil_replay_disable)
|
||||
zil_destroy(dmu_objset_zil(os), B_FALSE);
|
||||
|
@ -1127,10 +1130,47 @@ zvol_create_minor(const char *name)
|
|||
|
||||
out_dmu_objset_disown:
|
||||
dmu_objset_disown(os, zvol_tag);
|
||||
out_doi:
|
||||
kmem_free(doi, sizeof(dmu_object_info_t));
|
||||
out:
|
||||
return (error);
|
||||
}
|
||||
|
||||
/*
|
||||
* Create a block device minor node and setup the linkage between it
|
||||
* and the specified volume. Once this function returns the block
|
||||
* device is live and ready for use.
|
||||
*/
|
||||
int
|
||||
zvol_create_minor(const char *name)
|
||||
{
|
||||
int error;
|
||||
|
||||
mutex_enter(&zvol_state_lock);
|
||||
error = __zvol_create_minor(name);
|
||||
mutex_exit(&zvol_state_lock);
|
||||
|
||||
return (-error);
|
||||
return (error);
|
||||
}
|
||||
|
||||
static int
|
||||
__zvol_remove_minor(const char *name)
|
||||
{
|
||||
zvol_state_t *zv;
|
||||
|
||||
ASSERT(MUTEX_HELD(&zvol_state_lock));
|
||||
|
||||
zv = zvol_find_by_name(name);
|
||||
if (zv == NULL)
|
||||
return (ENXIO);
|
||||
|
||||
if (zv->zv_open_count > 0)
|
||||
return (EBUSY);
|
||||
|
||||
zvol_remove(zv);
|
||||
zvol_free(zv);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -1139,25 +1179,10 @@ out:
|
|||
int
|
||||
zvol_remove_minor(const char *name)
|
||||
{
|
||||
zvol_state_t *zv;
|
||||
int error = 0;
|
||||
int error;
|
||||
|
||||
mutex_enter(&zvol_state_lock);
|
||||
|
||||
zv = zvol_find_by_name(name);
|
||||
if (zv == NULL) {
|
||||
error = ENXIO;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (zv->zv_open_count > 0) {
|
||||
error = EBUSY;
|
||||
goto out;
|
||||
}
|
||||
|
||||
zvol_remove(zv);
|
||||
zvol_free(zv);
|
||||
out:
|
||||
error = __zvol_remove_minor(name);
|
||||
mutex_exit(&zvol_state_lock);
|
||||
|
||||
return (error);
|
||||
|
@ -1170,59 +1195,65 @@ zvol_create_minors_cb(spa_t *spa, uint64_t dsobj,
|
|||
if (strchr(dsname, '/') == NULL)
|
||||
return 0;
|
||||
|
||||
return zvol_create_minor(dsname);
|
||||
return __zvol_create_minor(dsname);
|
||||
}
|
||||
|
||||
static int
|
||||
zvol_remove_minors_cb(spa_t *spa, uint64_t dsobj,
|
||||
const char *dsname, void *arg)
|
||||
{
|
||||
if (strchr(dsname, '/') == NULL)
|
||||
return 0;
|
||||
|
||||
return zvol_remove_minor(dsname);
|
||||
}
|
||||
|
||||
static int
|
||||
zvol_cr_minors_common(const char *pool,
|
||||
int func(spa_t *, uint64_t, const char *, void *), void *arg)
|
||||
/*
|
||||
* Create minors for specified pool, if pool is NULL create minors
|
||||
* for all available pools.
|
||||
*/
|
||||
int
|
||||
zvol_create_minors(const char *pool)
|
||||
{
|
||||
spa_t *spa = NULL;
|
||||
int error = 0;
|
||||
|
||||
mutex_enter(&zvol_state_lock);
|
||||
if (pool) {
|
||||
error = dmu_objset_find_spa(NULL, pool, func, arg,
|
||||
DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS);
|
||||
error = dmu_objset_find_spa(NULL, pool, zvol_create_minors_cb,
|
||||
NULL, DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS);
|
||||
} else {
|
||||
mutex_enter(&spa_namespace_lock);
|
||||
while ((spa = spa_next(spa)) != NULL) {
|
||||
error = dmu_objset_find_spa(NULL, spa_name(spa),
|
||||
func, arg, DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS);
|
||||
error = dmu_objset_find_spa(NULL,
|
||||
spa_name(spa), zvol_create_minors_cb, NULL,
|
||||
DS_FIND_CHILDREN | DS_FIND_SNAPSHOTS);
|
||||
if (error)
|
||||
break;
|
||||
}
|
||||
mutex_exit(&spa_namespace_lock);
|
||||
}
|
||||
mutex_exit(&zvol_state_lock);
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
/*
|
||||
* Create minors for specified pool, or if NULL create all minors.
|
||||
* Remove minors for specified pool, if pool is NULL remove all minors.
|
||||
*/
|
||||
int
|
||||
zvol_create_minors(const char *pool)
|
||||
{
|
||||
return zvol_cr_minors_common(pool, zvol_create_minors_cb, NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Remove minors for specified pool, or if NULL remove all minors.
|
||||
*/
|
||||
int
|
||||
void
|
||||
zvol_remove_minors(const char *pool)
|
||||
{
|
||||
return zvol_cr_minors_common(pool, zvol_remove_minors_cb, NULL);
|
||||
zvol_state_t *zv, *zv_next;
|
||||
char *str;
|
||||
|
||||
str = kmem_zalloc(DISK_NAME_LEN, KM_SLEEP);
|
||||
if (pool) {
|
||||
(void) strncpy(str, pool, strlen(pool));
|
||||
(void) strcat(str, "/");
|
||||
}
|
||||
|
||||
mutex_enter(&zvol_state_lock);
|
||||
for (zv = list_head(&zvol_state_list); zv != NULL; zv = zv_next) {
|
||||
zv_next = list_next(&zvol_state_list, zv);
|
||||
|
||||
if (pool == NULL || !strncmp(str, zv->zv_name, strlen(str))) {
|
||||
zvol_remove(zv);
|
||||
zvol_free(zv);
|
||||
}
|
||||
}
|
||||
mutex_exit(&zvol_state_lock);
|
||||
kmem_free(str, DISK_NAME_LEN);
|
||||
}
|
||||
|
||||
int
|
||||
|
@ -1262,12 +1293,10 @@ zvol_init(void)
|
|||
void
|
||||
zvol_fini(void)
|
||||
{
|
||||
(void) zvol_remove_minors(NULL);
|
||||
|
||||
zvol_remove_minors(NULL);
|
||||
blk_unregister_region(MKDEV(zvol_major, 0), 1UL << MINORBITS);
|
||||
unregister_blkdev(zvol_major, ZVOL_DRIVER);
|
||||
taskq_destroy(zvol_taskq);
|
||||
|
||||
mutex_destroy(&zvol_state_lock);
|
||||
list_destroy(&zvol_state_list);
|
||||
}
|
||||
|
|
|
@ -159,52 +159,4 @@ EOF
|
|||
}
|
||||
zconfig_test3
|
||||
|
||||
# zpool import/export check
|
||||
zconfig_test4() {
|
||||
POOL_NAME=test4
|
||||
ZVOL_NAME1=fish1
|
||||
ZVOL_NAME2=fish2
|
||||
FULL_NAME1=${POOL_NAME}/${ZVOL_NAME1}
|
||||
FULL_NAME2=${POOL_NAME}/${ZVOL_NAME2}
|
||||
TMP_CACHE=`mktemp -p /tmp zpool.cache.XXXXXXXX`
|
||||
|
||||
echo -n "test 4 - zpool import/export: "
|
||||
|
||||
# Create a pool and volume.
|
||||
${ZFS_SH} zfs="spa_config_path=${TMP_CACHE}" || fail 1
|
||||
${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 || fail 2
|
||||
${ZFS} create -V 100M ${FULL_NAME1} || fail 3
|
||||
${ZFS} create -V 100M ${FULL_NAME2} || fail 4
|
||||
|
||||
# Verify the devices were created
|
||||
stat /dev/${FULL_NAME1} &>/dev/null || fail 5
|
||||
stat /dev/${FULL_NAME2} &>/dev/null || fail 6
|
||||
|
||||
# Export the pool
|
||||
${ZPOOL} export ${POOL_NAME} || fail 7
|
||||
|
||||
# Verify the devices were removed
|
||||
stat /dev/${FULL_NAME1} &>/dev/null && fail 8
|
||||
stat /dev/${FULL_NAME2} &>/dev/null && fail 9
|
||||
|
||||
# Import the pool
|
||||
${ZPOOL} import ${POOL_NAME} || fail 10
|
||||
|
||||
# Verify the devices were created
|
||||
stat /dev/${FULL_NAME1} &>/dev/null || fail 11
|
||||
stat /dev/${FULL_NAME2} &>/dev/null || fail 12
|
||||
|
||||
# Destroy the pool and consequently the devices
|
||||
${ZPOOL_CREATE_SH} -p ${POOL_NAME} -c lo-raidz2 -d || fail 15
|
||||
|
||||
# Verify the devices were removed
|
||||
stat /dev/${FULL_NAME1} &>/dev/null && fail 16
|
||||
stat /dev/${FULL_NAME2} &>/dev/null && fail 17
|
||||
|
||||
${ZFS_SH} -u || fail 18
|
||||
|
||||
pass
|
||||
}
|
||||
zconfig_test4
|
||||
|
||||
exit 0
|
||||
|
|
Loading…
Reference in New Issue