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Update to onnv_147

Browse Source 
This is the last official OpenSolaris tag before the public
development tree was closed.
This commit is contained in:
Brian Behlendorf
2010-08-26 14:24:34 -07:00
parent 1980602bfa
commit 572e285762
101 changed files with 7835 additions and 2448 deletions
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cmd/zfs/zfs_main.c
+323 -314
View File
@@ -40,6 +40,7 @@
#include <zone.h>
#include <grp.h>
#include <pwd.h>
#include <signal.h>
#include <sys/mkdev.h>
#include <sys/mntent.h>
#include <sys/mnttab.h>
@@ -84,6 +85,7 @@ static int zfs_do_userspace(int argc, char **argv);
static int zfs_do_python(int argc, char **argv);
static int zfs_do_hold(int argc, char **argv);
static int zfs_do_release(int argc, char **argv);
static int zfs_do_diff(int argc, char **argv);
/*
* Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
@@ -128,7 +130,8 @@ typedef enum {
HELP_GROUPSPACE,
HELP_HOLD,
HELP_HOLDS,
HELP_RELEASE
HELP_RELEASE,
HELP_DIFF
} zfs_help_t;
typedef struct zfs_command {
@@ -180,6 +183,7 @@ static zfs_command_t command_table[] = {
{ "hold", zfs_do_hold, HELP_HOLD },
{ "holds", zfs_do_python, HELP_HOLDS },
{ "release", zfs_do_release, HELP_RELEASE },
{ "diff", zfs_do_diff, HELP_DIFF },
};
#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
@@ -283,6 +287,9 @@ get_usage(zfs_help_t idx)
return (gettext("\tholds [-r] <snapshot> ...\n"));
case HELP_RELEASE:
return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
case HELP_DIFF:
return (gettext("\tdiff [-FHt] <snapshot> "
"[snapshot|filesystem]\n"));
}
abort();
@@ -624,8 +631,9 @@ zfs_do_clone(int argc, char **argv)
clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
if (clone != NULL) {
if ((ret = zfs_mount(clone, NULL, 0)) == 0)
ret = zfs_share(clone);
if (zfs_get_type(clone) != ZFS_TYPE_VOLUME)
if ((ret = zfs_mount(clone, NULL, 0)) == 0)
ret = zfs_share(clone);
zfs_close(clone);
}
}
@@ -671,7 +679,7 @@ zfs_do_create(int argc, char **argv)
int ret = 1;
nvlist_t *props;
uint64_t intval;
int canmount;
int canmount = ZFS_CANMOUNT_OFF;
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
nomem();
@@ -802,19 +810,20 @@ zfs_do_create(int argc, char **argv)
if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
goto error;
ret = 0;
/*
* if the user doesn't want the dataset automatically mounted,
* then skip the mount/share step
*/
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type))
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
/*
* Mount and/or share the new filesystem as appropriate. We provide a
* verbose error message to let the user know that their filesystem was
* in fact created, even if we failed to mount or share it.
*/
ret = 0;
if (canmount == ZFS_CANMOUNT_ON) {
if (zfs_mount(zhp, NULL, 0) != 0) {
(void) fprintf(stderr, gettext("filesystem "
@@ -2888,7 +2897,7 @@ zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
}
if (holding) {
if (zfs_hold(zhp, delim+1, tag, recursive,
temphold, B_FALSE) != 0)
temphold, B_FALSE, -1, 0, 0) != 0)
++errors;
} else {
if (zfs_release(zhp, delim+1, tag, recursive) != 0)
@@ -2927,14 +2936,6 @@ zfs_do_release(int argc, char **argv)
return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
}
typedef struct get_all_cbdata {
zfs_handle_t **cb_handles;
size_t cb_alloc;
size_t cb_used;
uint_t cb_types;
boolean_t cb_verbose;
} get_all_cbdata_t;
#define CHECK_SPINNER 30
#define SPINNER_TIME 3 /* seconds */
#define MOUNT_TIME 5 /* seconds */
@@ -2946,7 +2947,7 @@ get_one_dataset(zfs_handle_t *zhp, void *data)
static int spinval = 0;
static int spincheck = 0;
static time_t last_spin_time = (time_t)0;
get_all_cbdata_t *cbp = data;
get_all_cb_t *cbp = data;
zfs_type_t type = zfs_get_type(zhp);
if (cbp->cb_verbose) {
@@ -2963,8 +2964,7 @@ get_one_dataset(zfs_handle_t *zhp, void *data)
/*
* Interate over any nested datasets.
*/
if (type == ZFS_TYPE_FILESYSTEM &&
zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
zfs_close(zhp);
return (1);
}
@@ -2972,46 +2972,25 @@ get_one_dataset(zfs_handle_t *zhp, void *data)
/*
* Skip any datasets whose type does not match.
*/
if ((type & cbp->cb_types) == 0) {
if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
zfs_close(zhp);
return (0);
}
if (cbp->cb_alloc == cbp->cb_used) {
zfs_handle_t **handles;
if (cbp->cb_alloc == 0)
cbp->cb_alloc = 64;
else
cbp->cb_alloc *= 2;
handles = safe_malloc(cbp->cb_alloc * sizeof (void *));
if (cbp->cb_handles) {
bcopy(cbp->cb_handles, handles,
cbp->cb_used * sizeof (void *));
free(cbp->cb_handles);
}
cbp->cb_handles = handles;
}
cbp->cb_handles[cbp->cb_used++] = zhp;
libzfs_add_handle(cbp, zhp);
assert(cbp->cb_used <= cbp->cb_alloc);
return (0);
}
static void
get_all_datasets(uint_t types, zfs_handle_t ***dslist, size_t *count,
boolean_t verbose)
get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose)
{
get_all_cbdata_t cb = { 0 };
cb.cb_types = types;
get_all_cb_t cb = { 0 };
cb.cb_verbose = verbose;
cb.cb_getone = get_one_dataset;
if (verbose)
set_progress_header(gettext("Reading ZFS config"));
(void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
*dslist = cb.cb_handles;
@@ -3021,33 +3000,6 @@ get_all_datasets(uint_t types, zfs_handle_t ***dslist, size_t *count,
finish_progress(gettext("done."));
}
static int
dataset_cmp(const void *a, const void *b)
{
zfs_handle_t **za = (zfs_handle_t **)a;
zfs_handle_t **zb = (zfs_handle_t **)b;
char mounta[MAXPATHLEN];
char mountb[MAXPATHLEN];
boolean_t gota, gotb;
if ((gota = (zfs_get_type(*za) == ZFS_TYPE_FILESYSTEM)) != 0)
verify(zfs_prop_get(*za, ZFS_PROP_MOUNTPOINT, mounta,
sizeof (mounta), NULL, NULL, 0, B_FALSE) == 0);
if ((gotb = (zfs_get_type(*zb) == ZFS_TYPE_FILESYSTEM)) != 0)
verify(zfs_prop_get(*zb, ZFS_PROP_MOUNTPOINT, mountb,
sizeof (mountb), NULL, NULL, 0, B_FALSE) == 0);
if (gota && gotb)
return (strcmp(mounta, mountb));
if (gota)
return (-1);
if (gotb)
return (1);
return (strcmp(zfs_get_name(a), zfs_get_name(b)));
}
/*
* Generic callback for sharing or mounting filesystems. Because the code is so
* similar, we have a common function with an extra parameter to determine which
@@ -3069,184 +3021,180 @@ share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
const char *cmdname = op == OP_SHARE ? "share" : "mount";
struct mnttab mnt;
uint64_t zoned, canmount;
zfs_type_t type = zfs_get_type(zhp);
boolean_t shared_nfs, shared_smb;
assert(type & (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME));
assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
if (type == ZFS_TYPE_FILESYSTEM) {
/*
* Check to make sure we can mount/share this dataset. If we
* are in the global zone and the filesystem is exported to a
* local zone, or if we are in a local zone and the
* filesystem is not exported, then it is an error.
*/
zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
/*
* Check to make sure we can mount/share this dataset. If we
* are in the global zone and the filesystem is exported to a
* local zone, or if we are in a local zone and the
* filesystem is not exported, then it is an error.
*/
zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
if (zoned && getzoneid() == GLOBAL_ZONEID) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"dataset is exported to a local zone\n"), cmdname,
zfs_get_name(zhp));
return (1);
} else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"permission denied\n"), cmdname,
zfs_get_name(zhp));
return (1);
}
/*
* Ignore any filesystems which don't apply to us. This
* includes those with a legacy mountpoint, or those with
* legacy share options.
*/
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
strcmp(smbshareopts, "off") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot share '%s': "
"legacy share\n"), zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use share(1M) to "
"share this filesystem, or set "
"sharenfs property on\n"));
return (1);
}
/*
* We cannot share or mount legacy filesystems. If the
* shareopts is non-legacy but the mountpoint is legacy, we
* treat it as a legacy share.
*/
if (strcmp(mountpoint, "legacy") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use %s(1M) to "
"%s this filesystem\n"), cmdname, cmdname);
return (1);
}
if (strcmp(mountpoint, "none") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': no "
"mountpoint set\n"), cmdname, zfs_get_name(zhp));
return (1);
}
/*
* canmount explicit outcome
* on no pass through
* on yes pass through
* off no return 0
* off yes display error, return 1
* noauto no return 0
* noauto yes pass through
*/
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
if (canmount == ZFS_CANMOUNT_OFF) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"'canmount' property is set to 'off'\n"), cmdname,
zfs_get_name(zhp));
return (1);
} else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
if (zoned && getzoneid() == GLOBAL_ZONEID) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"dataset is exported to a local zone\n"), cmdname,
zfs_get_name(zhp));
return (1);
} else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"permission denied\n"), cmdname,
zfs_get_name(zhp));
return (1);
}
/*
* Ignore any filesystems which don't apply to us. This
* includes those with a legacy mountpoint, or those with
* legacy share options.
*/
verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
strcmp(smbshareopts, "off") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot share '%s': "
"legacy share\n"), zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use share(1M) to "
"share this filesystem, or set "
"sharenfs property on\n"));
return (1);
}
/*
* We cannot share or mount legacy filesystems. If the
* shareopts is non-legacy but the mountpoint is legacy, we
* treat it as a legacy share.
*/
if (strcmp(mountpoint, "legacy") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use %s(1M) to "
"%s this filesystem\n"), cmdname, cmdname);
return (1);
}
if (strcmp(mountpoint, "none") == 0) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': no "
"mountpoint set\n"), cmdname, zfs_get_name(zhp));
return (1);
}
/*
* canmount explicit outcome
* on no pass through
* on yes pass through
* off no return 0
* off yes display error, return 1
* noauto no return 0
* noauto yes pass through
*/
canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
if (canmount == ZFS_CANMOUNT_OFF) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot %s '%s': "
"'canmount' property is set to 'off'\n"), cmdname,
zfs_get_name(zhp));
return (1);
} else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
return (0);
}
/*
* At this point, we have verified that the mountpoint and/or
* shareopts are appropriate for auto management. If the
* filesystem is already mounted or shared, return (failing
* for explicit requests); otherwise mount or share the
* filesystem.
*/
switch (op) {
case OP_SHARE:
shared_nfs = zfs_is_shared_nfs(zhp, NULL);
shared_smb = zfs_is_shared_smb(zhp, NULL);
if (shared_nfs && shared_smb ||
(shared_nfs && strcmp(shareopts, "on") == 0 &&
strcmp(smbshareopts, "off") == 0) ||
(shared_smb && strcmp(smbshareopts, "on") == 0 &&
strcmp(shareopts, "off") == 0)) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot share "
"'%s': filesystem already shared\n"),
zfs_get_name(zhp));
return (1);
}
/*
* At this point, we have verified that the mountpoint and/or
* shareopts are appropriate for auto management. If the
* filesystem is already mounted or shared, return (failing
* for explicit requests); otherwise mount or share the
* filesystem.
*/
switch (op) {
case OP_SHARE:
if (!zfs_is_mounted(zhp, NULL) &&
zfs_mount(zhp, NULL, 0) != 0)
return (1);
shared_nfs = zfs_is_shared_nfs(zhp, NULL);
shared_smb = zfs_is_shared_smb(zhp, NULL);
if (shared_nfs && shared_smb ||
(shared_nfs && strcmp(shareopts, "on") == 0 &&
strcmp(smbshareopts, "off") == 0) ||
(shared_smb && strcmp(smbshareopts, "on") == 0 &&
strcmp(shareopts, "off") == 0)) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot share "
"'%s': filesystem already shared\n"),
zfs_get_name(zhp));
if (protocol == NULL) {
if (zfs_shareall(zhp) != 0)
return (1);
}
if (!zfs_is_mounted(zhp, NULL) &&
zfs_mount(zhp, NULL, 0) != 0)
} else if (strcmp(protocol, "nfs") == 0) {
if (zfs_share_nfs(zhp))
return (1);
if (protocol == NULL) {
if (zfs_shareall(zhp) != 0)
return (1);
} else if (strcmp(protocol, "nfs") == 0) {
if (zfs_share_nfs(zhp))
return (1);
} else if (strcmp(protocol, "smb") == 0) {
if (zfs_share_smb(zhp))
return (1);
} else {
(void) fprintf(stderr, gettext("cannot share "
"'%s': invalid share type '%s' "
"specified\n"),
zfs_get_name(zhp), protocol);
} else if (strcmp(protocol, "smb") == 0) {
if (zfs_share_smb(zhp))
return (1);
}
break;
case OP_MOUNT:
if (options == NULL)
mnt.mnt_mntopts = "";
else
mnt.mnt_mntopts = (char *)options;
if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
zfs_is_mounted(zhp, NULL)) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot mount "
"'%s': filesystem already mounted\n"),
zfs_get_name(zhp));
return (1);
}
if (zfs_mount(zhp, options, flags) != 0)
return (1);
break;
} else {
(void) fprintf(stderr, gettext("cannot share "
"'%s': invalid share type '%s' "
"specified\n"),
zfs_get_name(zhp), protocol);
return (1);
}
} else
assert(op == OP_SHARE);
break;
case OP_MOUNT:
if (options == NULL)
mnt.mnt_mntopts = "";
else
mnt.mnt_mntopts = (char *)options;
if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
zfs_is_mounted(zhp, NULL)) {
if (!explicit)
return (0);
(void) fprintf(stderr, gettext("cannot mount "
"'%s': filesystem already mounted\n"),
zfs_get_name(zhp));
return (1);
}
if (zfs_mount(zhp, options, flags) != 0)
return (1);
break;
}
return (0);
}
@@ -3308,7 +3256,7 @@ share_mount(int op, int argc, char **argv)
boolean_t verbose = B_FALSE;
int c, ret = 0;
char *options = NULL;
int types, flags = 0;
int flags = 0;
/* check options */
while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
@@ -3358,13 +3306,9 @@ share_mount(int op, int argc, char **argv)
size_t i, count = 0;
char *protocol = NULL;
if (op == OP_MOUNT) {
types = ZFS_TYPE_FILESYSTEM;
} else if (argc > 0) {
if (strcmp(argv[0], "nfs") == 0 ||
strcmp(argv[0], "smb") == 0) {
types = ZFS_TYPE_FILESYSTEM;
} else {
if (op == OP_SHARE && argc > 0) {
if (strcmp(argv[0], "nfs") != 0 &&
strcmp(argv[0], "smb") != 0) {
(void) fprintf(stderr, gettext("share type "
"must be 'nfs' or 'smb'\n"));
usage(B_FALSE);
@@ -3372,8 +3316,6 @@ share_mount(int op, int argc, char **argv)
protocol = argv[0];
argc--;
argv++;
} else {
types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
}
if (argc != 0) {
@@ -3382,12 +3324,12 @@ share_mount(int op, int argc, char **argv)
}
start_progress_timer();
get_all_datasets(types, &dslist, &count, verbose);
get_all_datasets(&dslist, &count, verbose);
if (count == 0)
return (0);
qsort(dslist, count, sizeof (void *), dataset_cmp);
qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp);
for (i = 0; i < count; i++) {
if (verbose)
@@ -3427,17 +3369,14 @@ share_mount(int op, int argc, char **argv)
} else {
zfs_handle_t *zhp;
types = ZFS_TYPE_FILESYSTEM;
if (op == OP_SHARE)
types |= ZFS_TYPE_VOLUME;
if (argc > 1) {
(void) fprintf(stderr,
gettext("too many arguments\n"));
usage(B_FALSE);
}
if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL) {
if ((zhp = zfs_open(g_zfs, argv[0],
ZFS_TYPE_FILESYSTEM)) == NULL) {
ret = 1;
} else {
ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
@@ -3616,7 +3555,7 @@ unshare_unmount(int op, int argc, char **argv)
int do_all = 0;
int flags = 0;
int ret = 0;
int types, c;
int c;
zfs_handle_t *zhp;
char nfs_mnt_prop[ZFS_MAXPROPLEN];
char sharesmb[ZFS_MAXPROPLEN];
@@ -3792,68 +3731,63 @@ unshare_unmount(int op, int argc, char **argv)
return (unshare_unmount_path(op, argv[0],
flags, B_FALSE));
types = ZFS_TYPE_FILESYSTEM;
if (op == OP_SHARE)
types |= ZFS_TYPE_VOLUME;
if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
if ((zhp = zfs_open(g_zfs, argv[0],
ZFS_TYPE_FILESYSTEM)) == NULL)
return (1);
if (zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
verify(zfs_prop_get(zhp, op == OP_SHARE ?
ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, op == OP_SHARE ?
ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
NULL, 0, B_FALSE) == 0);
switch (op) {
case OP_SHARE:
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
nfs_mnt_prop,
sizeof (nfs_mnt_prop),
NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
sharesmb, sizeof (sharesmb), NULL, NULL,
0, B_FALSE) == 0);
switch (op) {
case OP_SHARE:
verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
nfs_mnt_prop,
sizeof (nfs_mnt_prop),
NULL, NULL, 0, B_FALSE) == 0);
verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
sharesmb, sizeof (sharesmb), NULL, NULL,
0, B_FALSE) == 0);
if (strcmp(nfs_mnt_prop, "off") == 0 &&
strcmp(sharesmb, "off") == 0) {
(void) fprintf(stderr, gettext("cannot "
"unshare '%s': legacy share\n"),
zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use "
"unshare(1M) to unshare this "
"filesystem\n"));
ret = 1;
} else if (!zfs_is_shared(zhp)) {
(void) fprintf(stderr, gettext("cannot "
"unshare '%s': not currently "
"shared\n"), zfs_get_name(zhp));
ret = 1;
} else if (zfs_unshareall(zhp) != 0) {
ret = 1;
}
break;
case OP_MOUNT:
if (strcmp(nfs_mnt_prop, "legacy") == 0) {
(void) fprintf(stderr, gettext("cannot "
"unmount '%s': legacy "
"mountpoint\n"), zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use "
"umount(1M) to unmount this "
"filesystem\n"));
ret = 1;
} else if (!zfs_is_mounted(zhp, NULL)) {
(void) fprintf(stderr, gettext("cannot "
"unmount '%s': not currently "
"mounted\n"),
zfs_get_name(zhp));
ret = 1;
} else if (zfs_unmountall(zhp, flags) != 0) {
ret = 1;
}
break;
if (strcmp(nfs_mnt_prop, "off") == 0 &&
strcmp(sharesmb, "off") == 0) {
(void) fprintf(stderr, gettext("cannot "
"unshare '%s': legacy share\n"),
zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use "
"unshare(1M) to unshare this "
"filesystem\n"));
ret = 1;
} else if (!zfs_is_shared(zhp)) {
(void) fprintf(stderr, gettext("cannot "
"unshare '%s': not currently "
"shared\n"), zfs_get_name(zhp));
ret = 1;
} else if (zfs_unshareall(zhp) != 0) {
ret = 1;
}
break;
case OP_MOUNT:
if (strcmp(nfs_mnt_prop, "legacy") == 0) {
(void) fprintf(stderr, gettext("cannot "
"unmount '%s': legacy "
"mountpoint\n"), zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use "
"umount(1M) to unmount this "
"filesystem\n"));
ret = 1;
} else if (!zfs_is_mounted(zhp, NULL)) {
(void) fprintf(stderr, gettext("cannot "
"unmount '%s': not currently "
"mounted\n"),
zfs_get_name(zhp));
ret = 1;
} else if (zfs_unmountall(zhp, flags) != 0) {
ret = 1;
}
break;
}
zfs_close(zhp);
@@ -4047,6 +3981,81 @@ find_command_idx(char *command, int *idx)
return (1);
}
static int
zfs_do_diff(int argc, char **argv)
{
zfs_handle_t *zhp;
int flags = 0;
char *tosnap = NULL;
char *fromsnap = NULL;
char *atp, *copy;
int err;
int c;
while ((c = getopt(argc, argv, "FHt")) != -1) {
switch (c) {
case 'F':
flags |= ZFS_DIFF_CLASSIFY;
break;
case 'H':
flags |= ZFS_DIFF_PARSEABLE;
break;
case 't':
flags |= ZFS_DIFF_TIMESTAMP;
break;
default:
(void) fprintf(stderr,
gettext("invalid option '%c'\n"), optopt);
usage(B_FALSE);
}
}
argc -= optind;
argv += optind;
if (argc < 1) {
(void) fprintf(stderr,
gettext("must provide at least one snapshot name\n"));
usage(B_FALSE);
}
if (argc > 2) {
(void) fprintf(stderr, gettext("too many arguments\n"));
usage(B_FALSE);
}
fromsnap = argv[0];
tosnap = (argc == 2) ? argv[1] : NULL;
copy = NULL;
if (*fromsnap != '@')
copy = strdup(fromsnap);
else if (tosnap)
copy = strdup(tosnap);
if (copy == NULL)
usage(B_FALSE);
if (atp = strchr(copy, '@'))
*atp = '\0';
if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL)
return (1);
free(copy);
/*
* Ignore SIGPIPE so that the library can give us
* information on any failure
*/
(void) sigignore(SIGPIPE);
err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
zfs_close(zhp);
return (err != 0);
}
int
main(int argc, char **argv)
{