Partial MFV (illumos-gate 13753:2aba784c276b)

2762 zpool command should have better support for feature flags

References:
https://www.illumos.org/issues/2762

MFC after:	2 weeks
This commit is contained in:
Martin Matuska 2012-07-30 23:14:24 +00:00
commit e9832bb1da
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=238926
11 changed files with 418 additions and 120 deletions

View File

@ -1260,7 +1260,7 @@ _prebuild_libs= ${_kerberos5_lib_libasn1} \
lib/ncurses/ncurses lib/ncurses/ncursesw \
lib/libopie lib/libpam ${_lib_libthr} \
lib/libradius lib/libsbuf lib/libtacplus \
${_cddl_lib_libumem} \
${_cddl_lib_libumem} ${_cddl_lib_libnvpair} \
lib/libutil ${_lib_libypclnt} lib/libz lib/msun \
${_secure_lib_libcrypto} ${_secure_lib_libssh} \
${_secure_lib_libssl}
@ -1284,6 +1284,7 @@ lib/libopie__L lib/libtacplus__L: lib/libmd__L
.if ${MK_CDDL} != "no"
_cddl_lib_libumem= cddl/lib/libumem
_cddl_lib_libnvpair= cddl/lib/libnvpair
_cddl_lib= cddl/lib
.endif

View File

@ -1636,21 +1636,22 @@ for unixtime
.Op Fl v
.Xc
.Pp
Displays all pools formatted using a different
Displays pools which do not have all supported features enabled and pools
formatted using a legacy
.Tn ZFS
pool on-disk version. Older versions can continue to be used, but some
features may not be available. These pools can be upgraded using
.Qq Nm Cm upgrade Fl a .
Pools that are formatted with a more recent version are also displayed,
although these pools will be inaccessible on the system.
version number.
These pools can continue to be used, but some features may not be available.
Use
.Nm Cm upgrade Fl a
to enable all features on all pools.
.Bl -tag -width indent
.It Fl v
Displays
Displays legacy
.Tn ZFS
pool versions supported by the current software. The current
.Tn ZFS
pool version and all previous supported versions are displayed, along
with an explanation of the features provided with each version.
versions supported by the current software.
See
.Xr zpool-features.5
for a description of feature flags features supported by the current software.
.El
.It Xo
.Nm
@ -1659,18 +1660,22 @@ with an explanation of the features provided with each version.
.Fl a | Ar pool ...
.Xc
.Pp
Upgrades the given pool to the latest on-disk pool version. Once this is done,
the pool will no longer be accessible on systems running older versions of the
software.
Enables all supported features on the given pool.
Once this is done, the pool will no longer be accessible on systems that do
not support feature flags.
See
.Xr zpool-features.5
for details on compatability with system sthat support feature flags, but do
not support all features enabled on the pool.
.Bl -tag -width indent
.It Fl a
Upgrades all pools.
Enables all supported features on all pools.
.It Fl V Ar version
Upgrade to the specified version. If the
Upgrade to the specified legacy version. If the
.Fl V
flag is not specified, the pool is upgraded to the most recent version. This
option can only be used to increase the version number, and only up to the most
recent version supported by this software.
flag is specified, no features will be enabled on the pool.
This option can only be used to increase version number up to the last
supported legacy version number.
.El
.El
.Sh EXAMPLES

View File

@ -389,6 +389,18 @@ print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
}
}
static boolean_t
prop_list_contains_feature(nvlist_t *proplist)
{
nvpair_t *nvp;
for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp;
nvp = nvlist_next_nvpair(proplist, nvp)) {
if (zpool_prop_feature(nvpair_name(nvp)))
return (B_TRUE);
}
return (B_FALSE);
}
/*
* Add a property pair (name, string-value) into a property nvlist.
*/
@ -412,12 +424,30 @@ add_prop_list(const char *propname, char *propval, nvlist_t **props,
proplist = *props;
if (poolprop) {
const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION);
if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL &&
!zpool_prop_feature(propname)) {
(void) fprintf(stderr, gettext("property '%s' is "
"not a valid pool property\n"), propname);
return (2);
}
/*
* feature@ properties and version should not be specified
* at the same time.
*/
if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) &&
nvlist_exists(proplist, vname)) ||
(prop == ZPOOL_PROP_VERSION &&
prop_list_contains_feature(proplist))) {
(void) fprintf(stderr, gettext("'feature@' and "
"'version' properties cannot be specified "
"together\n"));
return (2);
}
if (zpool_prop_feature(propname))
normnm = propname;
else
@ -1583,8 +1613,8 @@ show_import(nvlist_t *config)
break;
case ZPOOL_STATUS_VERSION_OLDER:
(void) printf(gettext(" status: The pool is formatted using an "
"older on-disk version.\n"));
(void) printf(gettext(" status: The pool is formatted using a "
"legacy on-disk version.\n"));
break;
case ZPOOL_STATUS_VERSION_NEWER:
@ -1592,6 +1622,11 @@ show_import(nvlist_t *config)
"incompatible version.\n"));
break;
case ZPOOL_STATUS_FEAT_DISABLED:
(void) printf(gettext(" status: Some supported features are "
"not enabled on the pool.\n"));
break;
case ZPOOL_STATUS_UNSUP_FEAT_READ:
(void) printf(gettext("status: The pool uses the following "
"feature(s) not supported on this sytem:\n"));
@ -1638,19 +1673,21 @@ show_import(nvlist_t *config)
* Print out an action according to the overall state of the pool.
*/
if (vs->vs_state == VDEV_STATE_HEALTHY) {
if (reason == ZPOOL_STATUS_VERSION_OLDER)
if (reason == ZPOOL_STATUS_VERSION_OLDER ||
reason == ZPOOL_STATUS_FEAT_DISABLED) {
(void) printf(gettext(" action: The pool can be "
"imported using its name or numeric identifier, "
"though\n\tsome features will not be available "
"without an explicit 'zpool upgrade'.\n"));
else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH)
} else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) {
(void) printf(gettext(" action: The pool can be "
"imported using its name or numeric "
"identifier and\n\tthe '-f' flag.\n"));
else
} else {
(void) printf(gettext(" action: The pool can be "
"imported using its name or numeric "
"identifier.\n"));
}
} else if (vs->vs_state == VDEV_STATE_DEGRADED) {
(void) printf(gettext(" action: The pool can be imported "
"despite missing or damaged devices. The\n\tfault "
@ -4108,12 +4145,13 @@ status_callback(zpool_handle_t *zhp, void *data)
break;
case ZPOOL_STATUS_VERSION_OLDER:
(void) printf(gettext("status: The pool is formatted using an "
"older on-disk format. The pool can\n\tstill be used, but "
"some features are unavailable.\n"));
(void) printf(gettext("status: The pool is formatted using a "
"legacy on-disk format. The pool can\n\tstill be used, "
"but some features are unavailable.\n"));
(void) printf(gettext("action: Upgrade the pool using 'zpool "
"upgrade'. Once this is done, the\n\tpool will no longer "
"be accessible on older software versions.\n"));
"be accessible on software that does not support feature\n"
"\tflags.\n"));
break;
case ZPOOL_STATUS_VERSION_NEWER:
@ -4125,6 +4163,16 @@ status_callback(zpool_handle_t *zhp, void *data)
"backup.\n"));
break;
case ZPOOL_STATUS_FEAT_DISABLED:
(void) printf(gettext("status: Some supported features are not "
"enabled on the pool. The pool can\n\tstill be used, but "
"some features are unavailable.\n"));
(void) printf(gettext("action: Enable all features using "
"'zpool upgrade'. Once this is done,\n\tthe pool may no "
"longer be accessible by software that does not support\n\t"
"the features. See zpool-features(5) for details.\n"));
break;
case ZPOOL_STATUS_UNSUP_FEAT_READ:
(void) printf(gettext("status: The pool cannot be accessed on "
"this system because it uses the\n\tfollowing feature(s) "
@ -4354,9 +4402,7 @@ zpool_do_status(int argc, char **argv)
}
typedef struct upgrade_cbdata {
int cb_all;
int cb_first;
int cb_newer;
char cb_poolname[ZPOOL_MAXNAMELEN];
int cb_argc;
uint64_t cb_version;
@ -4388,56 +4434,157 @@ is_root_pool(zpool_handle_t *zhp)
return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0);
}
static int
upgrade_version(zpool_handle_t *zhp, uint64_t version)
{
int ret;
nvlist_t *config;
uint64_t oldversion;
config = zpool_get_config(zhp, NULL);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
&oldversion) == 0);
assert(SPA_VERSION_IS_SUPPORTED(oldversion));
assert(oldversion < version);
ret = zpool_upgrade(zhp, version);
if (ret != 0)
return (ret);
if (version >= SPA_VERSION_FEATURES) {
(void) printf(gettext("Successfully upgraded "
"'%s' from version %llu to feature flags.\n"),
zpool_get_name(zhp), oldversion);
} else {
(void) printf(gettext("Successfully upgraded "
"'%s' from version %llu to version %llu.\n"),
zpool_get_name(zhp), oldversion, version);
}
return (0);
}
static int
upgrade_enable_all(zpool_handle_t *zhp, int *countp)
{
int i, ret, count;
boolean_t firstff = B_TRUE;
nvlist_t *enabled = zpool_get_features(zhp);
count = 0;
for (i = 0; i < SPA_FEATURES; i++) {
const char *fname = spa_feature_table[i].fi_uname;
const char *fguid = spa_feature_table[i].fi_guid;
if (!nvlist_exists(enabled, fguid)) {
char *propname;
verify(-1 != asprintf(&propname, "feature@%s", fname));
ret = zpool_set_prop(zhp, propname,
ZFS_FEATURE_ENABLED);
if (ret != 0) {
free(propname);
return (ret);
}
count++;
if (firstff) {
(void) printf(gettext("Enabled the "
"following features on '%s':\n"),
zpool_get_name(zhp));
firstff = B_FALSE;
}
(void) printf(gettext(" %s\n"), fname);
free(propname);
}
}
if (countp != NULL)
*countp = count;
return (0);
}
static int
upgrade_cb(zpool_handle_t *zhp, void *arg)
{
upgrade_cbdata_t *cbp = arg;
nvlist_t *config;
uint64_t version;
int ret = 0;
boolean_t printnl = B_FALSE;
int ret;
config = zpool_get_config(zhp, NULL);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
&version) == 0);
if (!cbp->cb_newer && SPA_VERSION_IS_SUPPORTED(version) &&
version != SPA_VERSION) {
if (!cbp->cb_all) {
if (cbp->cb_first) {
(void) printf(gettext("The following pools are "
"out of date, and can be upgraded. After "
"being\nupgraded, these pools will no "
"longer be accessible by older software "
"versions.\n\n"));
(void) printf(gettext("VER POOL\n"));
(void) printf(gettext("--- ------------\n"));
cbp->cb_first = B_FALSE;
}
assert(SPA_VERSION_IS_SUPPORTED(version));
(void) printf("%2llu %s\n", (u_longlong_t)version,
zpool_get_name(zhp));
} else {
if (version < cbp->cb_version) {
cbp->cb_first = B_FALSE;
ret = zpool_upgrade(zhp, cbp->cb_version);
if (!ret) {
(void) printf(gettext("Successfully upgraded "
"'%s'\n\n"), zpool_get_name(zhp));
ret = upgrade_version(zhp, cbp->cb_version);
if (ret != 0)
return (ret);
#ifdef __FreeBSD__
if (cbp->cb_poolname[0] == '\0' &&
is_root_pool(zhp)) {
(void) strlcpy(cbp->cb_poolname,
zpool_get_name(zhp),
sizeof(cbp->cb_poolname));
}
}
}
} else if (cbp->cb_newer && !SPA_VERSION_IS_SUPPORTED(version)) {
assert(!cbp->cb_all);
#endif /* ___FreeBSD__ */
printnl = B_TRUE;
#ifdef illumos
/*
* If they did "zpool upgrade -a", then we could
* be doing ioctls to different pools. We need
* to log this history once to each pool, and bypass
* the normal history logging that happens in main().
*/
(void) zpool_log_history(g_zfs, history_str);
log_history = B_FALSE;
#endif
}
if (cbp->cb_version >= SPA_VERSION_FEATURES) {
int count;
ret = upgrade_enable_all(zhp, &count);
if (ret != 0)
return (ret);
if (count > 0) {
cbp->cb_first = B_FALSE;
printnl = B_TRUE;
}
}
if (printnl) {
(void) printf(gettext("\n"));
}
return (0);
}
static int
upgrade_list_older_cb(zpool_handle_t *zhp, void *arg)
{
upgrade_cbdata_t *cbp = arg;
nvlist_t *config;
uint64_t version;
config = zpool_get_config(zhp, NULL);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
&version) == 0);
assert(SPA_VERSION_IS_SUPPORTED(version));
if (version < SPA_VERSION_FEATURES) {
if (cbp->cb_first) {
(void) printf(gettext("The following pools are "
"formatted using an unsupported software version "
"and\ncannot be accessed on the current "
"system.\n\n"));
"formatted with legacy version numbers and can\n"
"be upgraded to use feature flags. After "
"being upgraded, these pools\nwill no "
"longer be accessible by software that does not "
"support feature\nflags.\n\n"));
(void) printf(gettext("VER POOL\n"));
(void) printf(gettext("--- ------------\n"));
cbp->cb_first = B_FALSE;
@ -4447,14 +4594,65 @@ upgrade_cb(zpool_handle_t *zhp, void *arg)
zpool_get_name(zhp));
}
zpool_close(zhp);
return (ret);
return (0);
}
static int
upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg)
{
upgrade_cbdata_t *cbp = arg;
nvlist_t *config;
uint64_t version;
config = zpool_get_config(zhp, NULL);
verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
&version) == 0);
if (version >= SPA_VERSION_FEATURES) {
int i;
boolean_t poolfirst = B_TRUE;
nvlist_t *enabled = zpool_get_features(zhp);
for (i = 0; i < SPA_FEATURES; i++) {
const char *fguid = spa_feature_table[i].fi_guid;
const char *fname = spa_feature_table[i].fi_uname;
if (!nvlist_exists(enabled, fguid)) {
if (cbp->cb_first) {
(void) printf(gettext("\nSome "
"supported features are not "
"enabled on the following pools. "
"Once a\nfeature is enabled the "
"pool may become incompatible with "
"software\nthat does not support "
"the feature. See "
"zpool-features(5) for "
"details.\n\n"));
(void) printf(gettext("POOL "
"FEATURE\n"));
(void) printf(gettext("------"
"---------\n"));
cbp->cb_first = B_FALSE;
}
if (poolfirst) {
(void) printf(gettext("%s\n"),
zpool_get_name(zhp));
poolfirst = B_FALSE;
}
(void) printf(gettext(" %s\n"), fname);
}
}
}
return (0);
}
/* ARGSUSED */
static int
upgrade_one(zpool_handle_t *zhp, void *data)
{
boolean_t printnl = B_FALSE;
upgrade_cbdata_t *cbp = data;
uint64_t cur_version;
int ret;
@ -4469,30 +4667,58 @@ upgrade_one(zpool_handle_t *zhp, void *data)
cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
if (cur_version > cbp->cb_version) {
(void) printf(gettext("Pool '%s' is already formatted "
"using more current version '%llu'.\n"),
"using more current version '%llu'.\n\n"),
zpool_get_name(zhp), cur_version);
return (0);
}
if (cur_version == cbp->cb_version) {
if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) {
(void) printf(gettext("Pool '%s' is already formatted "
"using the current version.\n"), zpool_get_name(zhp));
"using version %llu.\n\n"), zpool_get_name(zhp),
cbp->cb_version);
return (0);
}
ret = zpool_upgrade(zhp, cbp->cb_version);
if (cur_version != cbp->cb_version) {
printnl = B_TRUE;
ret = upgrade_version(zhp, cbp->cb_version);
if (ret != 0) {
#ifdef __FreeBSD__
if (cbp->cb_poolname[0] == '\0' &&
is_root_pool(zhp)) {
(void) strlcpy(cbp->cb_poolname,
zpool_get_name(zhp),
sizeof(cbp->cb_poolname));
}
#endif /* ___FreeBSD__ */
return (ret);
}
}
if (!ret) {
(void) printf(gettext("Successfully upgraded '%s' "
"from version %llu to version %llu\n\n"),
zpool_get_name(zhp), (u_longlong_t)cur_version,
(u_longlong_t)cbp->cb_version);
if (cbp->cb_version >= SPA_VERSION_FEATURES) {
int count = 0;
ret = upgrade_enable_all(zhp, &count);
if (ret != 0)
return (ret);
if (count != 0) {
printnl = B_TRUE;
} else if (cur_version == SPA_VERSION) {
(void) printf(gettext("Pool '%s' already has all "
"supported features enabled.\n"),
zpool_get_name(zhp));
}
if (cbp->cb_poolname[0] == '\0' && is_root_pool(zhp)) {
(void) strlcpy(cbp->cb_poolname, zpool_get_name(zhp),
sizeof(cbp->cb_poolname));
}
}
return (ret != 0);
if (printnl) {
(void) printf(gettext("\n"));
}
return (0);
}
/*
@ -4511,6 +4737,7 @@ zpool_do_upgrade(int argc, char **argv)
upgrade_cbdata_t cb = { 0 };
int ret = 0;
boolean_t showversions = B_FALSE;
boolean_t upgradeall = B_FALSE;
char *end;
@ -4518,7 +4745,7 @@ zpool_do_upgrade(int argc, char **argv)
while ((c = getopt(argc, argv, ":avV:")) != -1) {
switch (c) {
case 'a':
cb.cb_all = B_TRUE;
upgradeall = B_TRUE;
break;
case 'v':
showversions = B_TRUE;
@ -4551,19 +4778,19 @@ zpool_do_upgrade(int argc, char **argv)
if (cb.cb_version == 0) {
cb.cb_version = SPA_VERSION;
} else if (!cb.cb_all && argc == 0) {
} else if (!upgradeall && argc == 0) {
(void) fprintf(stderr, gettext("-V option is "
"incompatible with other arguments\n"));
usage(B_FALSE);
}
if (showversions) {
if (cb.cb_all || argc != 0) {
if (upgradeall || argc != 0) {
(void) fprintf(stderr, gettext("-v option is "
"incompatible with other arguments\n"));
usage(B_FALSE);
}
} else if (cb.cb_all) {
} else if (upgradeall) {
if (argc != 0) {
(void) fprintf(stderr, gettext("-a option should not "
"be used along with a pool name\n"));
@ -4573,9 +4800,25 @@ zpool_do_upgrade(int argc, char **argv)
(void) printf(gettext("This system supports ZFS pool feature "
"flags.\n\n"));
cb.cb_first = B_TRUE;
if (showversions) {
(void) printf(gettext("The following versions are "
int i;
(void) printf(gettext("The following features are "
"supported:\n\n"));
(void) printf(gettext("FEAT DESCRIPTION\n"));
(void) printf("----------------------------------------------"
"---------------\n");
for (i = 0; i < SPA_FEATURES; i++) {
zfeature_info_t *fi = &spa_feature_table[i];
const char *ro = fi->fi_can_readonly ?
" (read-only compatible)" : "";
(void) printf("%-37s%s\n", fi->fi_uname, ro);
(void) printf(" %s\n", fi->fi_desc);
}
(void) printf("\n");
(void) printf(gettext("The following legacy versions are also "
"supported:\n\n"));
(void) printf(gettext("VER DESCRIPTION\n"));
(void) printf("--- -----------------------------------------"
@ -4618,32 +4861,44 @@ zpool_do_upgrade(int argc, char **argv)
(void) printf(gettext("\nFor more information on a particular "
"version, including supported releases,\n"));
(void) printf(gettext("see the ZFS Administration Guide.\n\n"));
} else if (argc == 0) {
int notfound;
ret = zpool_iter(g_zfs, upgrade_cb, &cb);
notfound = cb.cb_first;
if (!cb.cb_all && ret == 0) {
if (!cb.cb_first)
(void) printf("\n");
} else if (argc == 0 && upgradeall) {
cb.cb_first = B_TRUE;
cb.cb_newer = B_TRUE;
ret = zpool_iter(g_zfs, upgrade_cb, &cb);
if (!cb.cb_first) {
notfound = B_FALSE;
(void) printf("\n");
if (ret == 0 && cb.cb_first) {
if (cb.cb_version == SPA_VERSION) {
(void) printf(gettext("All pools are already "
"formatted using feature flags.\n\n"));
(void) printf(gettext("Every feature flags "
"pool already has all supported features "
"enabled.\n"));
} else {
(void) printf(gettext("All pools are already "
"formatted with version %llu or higher.\n"),
cb.cb_version);
}
}
} else if (argc == 0) {
cb.cb_first = B_TRUE;
ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb);
assert(ret == 0);
if (cb.cb_first) {
(void) printf(gettext("All pools are formatted "
"using feature flags.\n\n"));
} else {
(void) printf(gettext("\nUse 'zpool upgrade -v' "
"for a list of available legacy versions.\n"));
}
if (ret == 0) {
if (notfound)
(void) printf(gettext("All pools are formatted "
"using this version.\n"));
else if (!cb.cb_all)
(void) printf(gettext("Use 'zpool upgrade -v' "
"for a list of available versions and "
"their associated\nfeatures.\n"));
cb.cb_first = B_TRUE;
ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb);
assert(ret == 0);
if (cb.cb_first) {
(void) printf(gettext("Every feature flags pool has "
"all supported features enabled.\n"));
} else {
(void) printf(gettext("\n"));
}
} else {
ret = for_each_pool(argc, argv, B_FALSE, NULL,

View File

@ -316,7 +316,8 @@ typedef enum {
* requiring administrative attention. There is no corresponding
* message ID.
*/
ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */
ZPOOL_STATUS_VERSION_OLDER, /* older legacy on-disk version */
ZPOOL_STATUS_FEAT_DISABLED, /* supported features are disabled */
ZPOOL_STATUS_RESILVERING, /* device being resilvered */
ZPOOL_STATUS_OFFLINE_DEV, /* device online */
ZPOOL_STATUS_REMOVED_DEV, /* removed device */

View File

@ -44,6 +44,7 @@
#include <string.h>
#include <unistd.h>
#include "libzfs_impl.h"
#include "zfeature_common.h"
/*
* Message ID table. This must be kept in sync with the ZPOOL_STATUS_* defines
@ -319,6 +320,30 @@ check_status(nvlist_t *config, boolean_t isimport)
if (SPA_VERSION_IS_SUPPORTED(version) && version != SPA_VERSION)
return (ZPOOL_STATUS_VERSION_OLDER);
/*
* Usable pool with disabled features
*/
if (version >= SPA_VERSION_FEATURES) {
int i;
nvlist_t *feat;
if (isimport) {
feat = fnvlist_lookup_nvlist(config,
ZPOOL_CONFIG_LOAD_INFO);
feat = fnvlist_lookup_nvlist(feat,
ZPOOL_CONFIG_ENABLED_FEAT);
} else {
feat = fnvlist_lookup_nvlist(config,
ZPOOL_CONFIG_FEATURE_STATS);
}
for (i = 0; i < SPA_FEATURES; i++) {
zfeature_info_t *fi = &spa_feature_table[i];
if (!nvlist_exists(feat, fi->fi_guid))
return (ZPOOL_STATUS_FEAT_DISABLED);
}
}
return (ZPOOL_STATUS_OK);
}

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@ -6,8 +6,8 @@
.PATH: ${.CURDIR}/../../../cddl/contrib/opensolaris/lib/libzfs/common
LIB= zfs
DPADD= ${LIBMD} ${LIBPTHREAD} ${LIBUMEM} ${LIBUTIL} ${LIBM}
LDADD= -lmd -lpthread -lumem -lutil -lm
DPADD= ${LIBMD} ${LIBPTHREAD} ${LIBUMEM} ${LIBUTIL} ${LIBM} ${LIBNVPAIR}
LDADD= -lmd -lpthread -lumem -lutil -lm -lnvpair
SRCS= deviceid.c \
fsshare.c \

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@ -123,7 +123,7 @@ CRUNCH_LIBS+= -lalias -lcam -lcurses -ldevstat -lipsec
CRUNCH_LIBS+= -lipx
.endif
.if ${MK_ZFS} != "no"
CRUNCH_LIBS+= -lavl -lnvpair -lzfs -lpthread -luutil -lumem
CRUNCH_LIBS+= -lavl -lzfs -lnvpair -lpthread -luutil -lumem
.endif
CRUNCH_LIBS+= -lgeom -lbsdxml -lkiconv -lmd -lsbuf -lufs -lz

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@ -2172,7 +2172,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
if (spa_version(spa) >= SPA_VERSION_FEATURES) {
boolean_t missing_feat_read = B_FALSE;
nvlist_t *unsup_feat;
nvlist_t *unsup_feat, *enabled_feat;
if (spa_dir_prop(spa, DMU_POOL_FEATURES_FOR_READ,
&spa->spa_feat_for_read_obj) != 0) {
@ -2189,27 +2189,32 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
}
VERIFY(nvlist_alloc(&unsup_feat, NV_UNIQUE_NAME, KM_SLEEP) ==
0);
enabled_feat = fnvlist_alloc();
unsup_feat = fnvlist_alloc();
if (!feature_is_supported(spa->spa_meta_objset,
spa->spa_feat_for_read_obj, spa->spa_feat_desc_obj,
unsup_feat))
unsup_feat, enabled_feat))
missing_feat_read = B_TRUE;
if (spa_writeable(spa) || state == SPA_LOAD_TRYIMPORT) {
if (!feature_is_supported(spa->spa_meta_objset,
spa->spa_feat_for_write_obj, spa->spa_feat_desc_obj,
unsup_feat))
unsup_feat, enabled_feat)) {
missing_feat_write = B_TRUE;
}
if (!nvlist_empty(unsup_feat)) {
VERIFY(nvlist_add_nvlist(spa->spa_load_info,
ZPOOL_CONFIG_UNSUP_FEAT, unsup_feat) == 0);
}
nvlist_free(unsup_feat);
fnvlist_add_nvlist(spa->spa_load_info,
ZPOOL_CONFIG_ENABLED_FEAT, enabled_feat);
if (!nvlist_empty(unsup_feat)) {
fnvlist_add_nvlist(spa->spa_load_info,
ZPOOL_CONFIG_UNSUP_FEAT, unsup_feat);
}
fnvlist_free(enabled_feat);
fnvlist_free(unsup_feat);
if (!missing_feat_read) {
fnvlist_add_boolean(spa->spa_load_info,

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@ -35,7 +35,7 @@ extern "C" {
#endif
extern boolean_t feature_is_supported(objset_t *os, uint64_t obj,
uint64_t desc_obj, nvlist_t *unsup_feat);
uint64_t desc_obj, nvlist_t *unsup_feat, nvlist_t *enabled_feat);
struct spa;
extern void spa_feature_create_zap_objects(struct spa *, dmu_tx_t *);

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@ -173,7 +173,7 @@ typedef enum {
*/
boolean_t
feature_is_supported(objset_t *os, uint64_t obj, uint64_t desc_obj,
nvlist_t *unsup_feat)
nvlist_t *unsup_feat, nvlist_t *enabled_feat)
{
boolean_t supported;
zap_cursor_t zc;
@ -186,11 +186,16 @@ feature_is_supported(objset_t *os, uint64_t obj, uint64_t desc_obj,
ASSERT(za.za_integer_length == sizeof (uint64_t) &&
za.za_num_integers == 1);
if (NULL != enabled_feat) {
fnvlist_add_uint64(enabled_feat, za.za_name,
za.za_first_integer);
}
if (za.za_first_integer != 0 &&
!zfeature_is_supported(za.za_name)) {
supported = B_FALSE;
if (unsup_feat != NULL) {
if (NULL != unsup_feat) {
char *desc = "";
char buf[MAXPATHLEN];

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@ -520,6 +520,7 @@ typedef struct zpool_rewind_policy {
#define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
#define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
#define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
#define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */
#define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */