svn commit: r274337 - in head: cddl/contrib/opensolaris/cmd/zdb cddl/contrib/opensolaris/cmd/zfs cddl/contrib/opensolaris/cmd/zpool cddl/contrib/opensolaris/cmd/zstreamdump cddl/contrib/opensolaris...
Xin LI
delphij at FreeBSD.org
Mon Nov 10 08:20:29 UTC 2014
Author: delphij
Date: Mon Nov 10 08:20:21 2014
New Revision: 274337
URL: https://svnweb.freebsd.org/changeset/base/274337
Log:
MFV r274273:
ZFS large block support.
Please note that booting from datasets that have recordsize greater
than 128KB is not supported (but it's Okay to enable the feature on
the pool). This *may* remain unchanged because of memory constraint.
Limited safety belt is provided for mounted root filesystem but use
caution is advised.
Illumos issue:
5027 zfs large block support
MFC after: 1 month
Modified:
head/cddl/contrib/opensolaris/cmd/zdb/zdb.c
head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
head/cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c
head/cddl/contrib/opensolaris/cmd/ztest/ztest.c
head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.c
head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.h
head/sys/boot/zfs/zfsimpl.c
head/sys/cddl/boot/zfs/zfsimpl.h
head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.c
head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.h
head/sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c
head/sys/cddl/contrib/opensolaris/common/zfs/zpool_prop.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bpobj.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bptree.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_deadlist.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_destroy.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_history.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_send.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dsl_dataset.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zap_impl.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_ioctl.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zfs_znode.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zil.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zil_impl.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_raidz.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zap_micro.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_log.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_znode.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c
head/sys/cddl/contrib/opensolaris/uts/common/sys/fs/zfs.h
Directory Properties:
head/cddl/contrib/opensolaris/ (props changed)
head/cddl/contrib/opensolaris/cmd/zfs/ (props changed)
head/cddl/contrib/opensolaris/lib/libzfs/ (props changed)
head/sys/cddl/contrib/opensolaris/ (props changed)
Modified: head/cddl/contrib/opensolaris/cmd/zdb/zdb.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zdb/zdb.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/zdb/zdb.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -2147,6 +2147,8 @@ dump_label(const char *dev)
(void) close(fd);
}
+static uint64_t num_large_blocks;
+
/*ARGSUSED*/
static int
dump_one_dir(const char *dsname, void *arg)
@@ -2159,6 +2161,8 @@ dump_one_dir(const char *dsname, void *a
(void) printf("Could not open %s, error %d\n", dsname, error);
return (0);
}
+ if (dmu_objset_ds(os)->ds_large_blocks)
+ num_large_blocks++;
dump_dir(os);
dmu_objset_disown(os, FTAG);
fuid_table_destroy();
@@ -2169,7 +2173,7 @@ dump_one_dir(const char *dsname, void *a
/*
* Block statistics.
*/
-#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1)
+#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
typedef struct zdb_blkstats {
uint64_t zb_asize;
uint64_t zb_lsize;
@@ -2234,7 +2238,15 @@ zdb_count_block(zdb_cb_t *zcb, zilog_t *
zb->zb_lsize += BP_GET_LSIZE(bp);
zb->zb_psize += BP_GET_PSIZE(bp);
zb->zb_count++;
- zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++;
+
+ /*
+ * The histogram is only big enough to record blocks up to
+ * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
+ * "other", bucket.
+ */
+ int idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT;
+ idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1);
+ zb->zb_psize_histogram[idx]++;
zb->zb_gangs += BP_COUNT_GANG(bp);
@@ -2946,6 +2958,7 @@ dump_zpool(spa_t *spa)
dump_metaslab_groups(spa);
if (dump_opt['d'] || dump_opt['i']) {
+ uint64_t refcount;
dump_dir(dp->dp_meta_objset);
if (dump_opt['d'] >= 3) {
dump_bpobj(&spa->spa_deferred_bpobj,
@@ -2965,8 +2978,21 @@ dump_zpool(spa_t *spa)
}
(void) dmu_objset_find(spa_name(spa), dump_one_dir,
NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
+
+ (void) feature_get_refcount(spa,
+ &spa_feature_table[SPA_FEATURE_LARGE_BLOCKS], &refcount);
+ if (num_large_blocks != refcount) {
+ (void) printf("large_blocks feature refcount mismatch: "
+ "expected %lld != actual %lld\n",
+ (longlong_t)num_large_blocks,
+ (longlong_t)refcount);
+ rc = 2;
+ } else {
+ (void) printf("Verified large_blocks feature refcount "
+ "is correct (%llu)\n", (longlong_t)refcount);
+ }
}
- if (dump_opt['b'] || dump_opt['c'])
+ if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
rc = dump_block_stats(spa);
if (rc == 0)
Modified: head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs.8 Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs.8 Mon Nov 10 08:20:21 2014 (r274337)
@@ -30,7 +30,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd June 30, 2014
+.Dd November 10, 2014
.Dt ZFS 8
.Os
.Sh NAME
@@ -179,12 +179,12 @@
.Ar bookmark
.Nm
.Cm send
-.Op Fl DnPpRve
+.Op Fl DnPpRveL
.Op Fl i Ar snapshot | Fl I Ar snapshot
.Ar snapshot
.Nm
.Cm send
-.Op Fl e
+.Op Fl eL
.Op Fl i Ar snapshot Ns | Ns bookmark
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot
.Nm
@@ -1187,6 +1187,12 @@ systems is strongly discouraged, and may
.Pp
The size specified must be a power of two greater than or equal to 512 and less
than or equal to 128 Kbytes.
+If the
+.Sy large_blocks
+feature is enabled on the pool, the size may be up to 1 Mbyte.
+See
+.Xr zpool-features 7
+for details on ZFS feature flags.
.Pp
Changing the file system's
.Sy recordsize
@@ -2477,7 +2483,7 @@ feature.
.It Xo
.Nm
.Cm send
-.Op Fl DnPpRve
+.Op Fl DnPpRveL
.Op Fl i Ar snapshot | Fl I Ar snapshot
.Ar snapshot
.Xc
@@ -2549,6 +2555,22 @@ be used regardless of the dataset's
property, but performance will be much better if the filesystem uses a
dedup-capable checksum (eg.
.Sy sha256 ) .
+.It Fl L
+Generate a stream which may contain blocks larger than 128KB.
+This flag
+has no effect if the
+.Sy large_blocks
+pool feature is disabled, or if the
+.Sy recordsize
+property of this filesystem has never been set above 128KB.
+The receiving system must have the
+.Sy large_blocks
+pool feature enabled as well.
+See
+.Xr zpool-features 7
+for details on ZFS feature flags and the
+.Sy large_blocks
+feature.
.It Fl e
Generate a more compact stream by using WRITE_EMBEDDED records for blocks
which are stored more compactly on disk by the
@@ -2596,7 +2618,7 @@ on future versions of
.It Xo
.Nm
.Cm send
-.Op Fl e
+.Op Fl eL
.Op Fl i Ar snapshot Ns | Ns Ar bookmark
.Ar filesystem Ns | Ns Ar volume Ns | Ns Ar snapshot
.Xc
@@ -2622,6 +2644,22 @@ specified as the last component of the n
If the incremental target is a clone, the incremental source can
be the origin snapshot, or an earlier snapshot in the origin's filesystem,
or the origin's origin, etc.
+.It Fl L
+Generate a stream which may contain blocks larger than 128KB.
+This flag
+has no effect if the
+.Sy large_blocks
+pool feature is disabled, or if the
+.Sy recordsize
+property of this filesystem has never been set above 128KB.
+The receiving system must have the
+.Sy large_blocks
+pool feature enabled as well.
+See
+.Xr zpool-features 7
+for details on ZFS feature flags and the
+.Sy large_blocks
+feature.
.It Fl e
Generate a more compact stream by using WRITE_EMBEDDED records for blocks
which are stored more compactly on disk by the
Modified: head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -274,9 +274,9 @@ get_usage(zfs_help_t idx)
case HELP_ROLLBACK:
return (gettext("\trollback [-rRf] <snapshot>\n"));
case HELP_SEND:
- return (gettext("\tsend [-DnPpRve] [-[iI] snapshot] "
+ return (gettext("\tsend [-DnPpRvLe] [-[iI] snapshot] "
"<snapshot>\n"
- "\tsend [-e] [-i snapshot|bookmark] "
+ "\tsend [-Le] [-i snapshot|bookmark] "
"<filesystem|volume|snapshot>\n"));
case HELP_SET:
return (gettext("\tset <property=value> "
@@ -3709,7 +3709,7 @@ zfs_do_send(int argc, char **argv)
boolean_t extraverbose = B_FALSE;
/* check options */
- while ((c = getopt(argc, argv, ":i:I:RDpvnPe")) != -1) {
+ while ((c = getopt(argc, argv, ":i:I:RDpvnPLe")) != -1) {
switch (c) {
case 'i':
if (fromname)
@@ -3744,6 +3744,9 @@ zfs_do_send(int argc, char **argv)
case 'n':
flags.dryrun = B_TRUE;
break;
+ case 'L':
+ flags.largeblock = B_TRUE;
+ break;
case 'e':
flags.embed_data = B_TRUE;
break;
@@ -3800,6 +3803,8 @@ zfs_do_send(int argc, char **argv)
if (zhp == NULL)
return (1);
+ if (flags.largeblock)
+ lzc_flags |= LZC_SEND_FLAG_LARGE_BLOCK;
if (flags.embed_data)
lzc_flags |= LZC_SEND_FLAG_EMBED_DATA;
Modified: head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7 Mon Nov 10 08:20:21 2014 (r274337)
@@ -23,7 +23,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd July 1, 2014
+.Dd November 10, 2014
.Dt ZPOOL-FEATURES 7
.Os
.Sh NAME
@@ -427,6 +427,33 @@ This feature becomes
as soon as it is enabled and will
never return to being
.Sy enabled .
+.It Sy large_blocks
+.Bl -column "READ\-ONLY COMPATIBLE" "org.open-zfs:large_block"
+.It GUID Ta org.open-zfs:large_block
+.It READ\-ONLY COMPATIBLE Ta no
+.It DEPENDENCIES Ta extensible_dataset
+.El
+.Pp
+The
+.Sy large_block
+feature allows the record size on a dataset to be
+set larger than 128KB.
+.Pp
+This feature becomes
+.Sy active
+once a
+.Sy recordsize
+property has been set larger than 128KB, and will return to being
+.Sy enabled
+once all filesystems that have ever had their recordsize larger than 128KB
+are destroyed.
+.Pp
+Please note that booting from datasets that have recordsize greater than
+128KB is
+.Em NOT
+supported by the
+.Fx
+boot loader.
.El
.Sh SEE ALSO
.Xr zpool 8
Modified: head/cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/zstreamdump/zstreamdump.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -54,7 +54,6 @@ uint64_t total_stream_len = 0;
FILE *send_stream = 0;
boolean_t do_byteswap = B_FALSE;
boolean_t do_cksum = B_TRUE;
-#define INITIAL_BUFLEN (1<<20)
static void
usage(void)
@@ -67,6 +66,18 @@ usage(void)
exit(1);
}
+static void *
+safe_malloc(size_t size)
+{
+ void *rv = malloc(size);
+ if (rv == NULL) {
+ (void) fprintf(stderr, "ERROR; failed to allocate %zu bytes\n",
+ size);
+ abort();
+ }
+ return (rv);
+}
+
/*
* ssread - send stream read.
*
@@ -158,7 +169,7 @@ print_block(char *buf, int length)
int
main(int argc, char *argv[])
{
- char *buf = malloc(INITIAL_BUFLEN);
+ char *buf = safe_malloc(SPA_MAXBLOCKSIZE);
uint64_t drr_record_count[DRR_NUMTYPES] = { 0 };
uint64_t total_records = 0;
dmu_replay_record_t thedrr;
@@ -307,9 +318,9 @@ main(int argc, char *argv[])
nvlist_t *nv;
int sz = drr->drr_payloadlen;
- if (sz > INITIAL_BUFLEN) {
+ if (sz > SPA_MAXBLOCKSIZE) {
free(buf);
- buf = malloc(sz);
+ buf = safe_malloc(sz);
}
(void) ssread(buf, sz, &zc);
if (ferror(send_stream))
Modified: head/cddl/contrib/opensolaris/cmd/ztest/ztest.c
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/ztest/ztest.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/cmd/ztest/ztest.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -987,9 +987,15 @@ ztest_spa_get_ashift() {
static int
ztest_random_blocksize(void)
{
- // Choose a block size >= the ashift.
- uint64_t block_shift =
- ztest_random(SPA_MAXBLOCKSHIFT - ztest_spa_get_ashift() + 1);
+ uint64_t block_shift;
+ /*
+ * Choose a block size >= the ashift.
+ * If the SPA supports new MAXBLOCKSIZE, test up to 1MB blocks.
+ */
+ int maxbs = SPA_OLD_MAXBLOCKSHIFT;
+ if (spa_maxblocksize(ztest_spa) == SPA_MAXBLOCKSIZE)
+ maxbs = 20;
+ block_shift = ztest_random(maxbs - ztest_spa_get_ashift() + 1);
return (1 << (SPA_MINBLOCKSHIFT + block_shift));
}
@@ -4789,7 +4795,7 @@ ztest_fault_inject(ztest_ds_t *zd, uint6
char path0[MAXPATHLEN];
char pathrand[MAXPATHLEN];
size_t fsize;
- int bshift = SPA_MAXBLOCKSHIFT + 2; /* don't scrog all labels */
+ int bshift = SPA_OLD_MAXBLOCKSHIFT + 2; /* don't scrog all labels */
int iters = 1000;
int maxfaults;
int mirror_save;
Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h Mon Nov 10 08:20:21 2014 (r274337)
@@ -609,6 +609,9 @@ typedef struct sendflags {
/* show progress (ie. -v) */
boolean_t progress;
+ /* large blocks (>128K) are permitted */
+ boolean_t largeblock;
+
/* WRITE_EMBEDDED records of type DATA are permitted */
boolean_t embed_data;
} sendflags_t;
Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -1080,21 +1080,36 @@ zfs_valid_proplist(libzfs_handle_t *hdl,
break;
}
- case ZFS_PROP_RECORDSIZE:
case ZFS_PROP_VOLBLOCKSIZE:
- /* must be power of two within SPA_{MIN,MAX}BLOCKSIZE */
+ case ZFS_PROP_RECORDSIZE:
+ {
+ int maxbs = SPA_MAXBLOCKSIZE;
+ if (zhp != NULL) {
+ maxbs = zpool_get_prop_int(zhp->zpool_hdl,
+ ZPOOL_PROP_MAXBLOCKSIZE, NULL);
+ }
+ /*
+ * Volumes are limited to a volblocksize of 128KB,
+ * because they typically service workloads with
+ * small random writes, which incur a large performance
+ * penalty with large blocks.
+ */
+ if (prop == ZFS_PROP_VOLBLOCKSIZE)
+ maxbs = SPA_OLD_MAXBLOCKSIZE;
+ /*
+ * The value must be a power of two between
+ * SPA_MINBLOCKSIZE and maxbs.
+ */
if (intval < SPA_MINBLOCKSIZE ||
- intval > SPA_MAXBLOCKSIZE || !ISP2(intval)) {
+ intval > maxbs || !ISP2(intval)) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
- "'%s' must be power of 2 from %u "
- "to %uk"), propname,
- (uint_t)SPA_MINBLOCKSIZE,
- (uint_t)SPA_MAXBLOCKSIZE >> 10);
+ "'%s' must be power of 2 from 512B "
+ "to %uKB"), propname, maxbs >> 10);
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
}
break;
-
+ }
case ZFS_PROP_MLSLABEL:
{
#ifdef sun
@@ -1471,7 +1486,9 @@ zfs_setprop_error(libzfs_handle_t *hdl,
break;
case ERANGE:
- if (prop == ZFS_PROP_COMPRESSION) {
+ case EDOM:
+ if (prop == ZFS_PROP_COMPRESSION ||
+ prop == ZFS_PROP_RECORDSIZE) {
(void) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"property setting is not allowed on "
"bootable datasets"));
@@ -3197,9 +3214,7 @@ zfs_create(libzfs_handle_t *hdl, const c
case EDOM:
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"volume block size must be power of 2 from "
- "%u to %uk"),
- (uint_t)SPA_MINBLOCKSIZE,
- (uint_t)SPA_MAXBLOCKSIZE >> 10);
+ "512B to 128KB"));
return (zfs_error(hdl, EZFS_BADPROP, errbuf));
Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -215,7 +215,7 @@ static void *
cksummer(void *arg)
{
dedup_arg_t *dda = arg;
- char *buf = malloc(1<<20);
+ char *buf = zfs_alloc(dda->dedup_hdl, SPA_MAXBLOCKSIZE);
dmu_replay_record_t thedrr;
dmu_replay_record_t *drr = &thedrr;
struct drr_begin *drrb = &thedrr.drr_u.drr_begin;
@@ -280,9 +280,9 @@ cksummer(void *arg)
DMU_COMPOUNDSTREAM && drr->drr_payloadlen != 0) {
int sz = drr->drr_payloadlen;
- if (sz > 1<<20) {
- free(buf);
- buf = malloc(sz);
+ if (sz > SPA_MAXBLOCKSIZE) {
+ buf = zfs_realloc(dda->dedup_hdl, buf,
+ SPA_MAXBLOCKSIZE, sz);
}
(void) ssread(buf, sz, ofp);
if (ferror(stdin))
@@ -815,7 +815,7 @@ typedef struct send_dump_data {
char prevsnap[ZFS_MAXNAMELEN];
uint64_t prevsnap_obj;
boolean_t seenfrom, seento, replicate, doall, fromorigin;
- boolean_t verbose, dryrun, parsable, progress, embed_data;
+ boolean_t verbose, dryrun, parsable, progress, embed_data, large_block;
int outfd;
boolean_t err;
nvlist_t *fss;
@@ -1163,6 +1163,8 @@ dump_snapshot(zfs_handle_t *zhp, void *a
}
enum lzc_send_flags flags = 0;
+ if (sdd->large_block)
+ flags |= LZC_SEND_FLAG_LARGE_BLOCK;
if (sdd->embed_data)
flags |= LZC_SEND_FLAG_EMBED_DATA;
@@ -1511,6 +1513,7 @@ zfs_send(zfs_handle_t *zhp, const char *
sdd.parsable = flags->parsable;
sdd.progress = flags->progress;
sdd.dryrun = flags->dryrun;
+ sdd.large_block = flags->largeblock;
sdd.embed_data = flags->embed_data;
sdd.filter_cb = filter_func;
sdd.filter_cb_arg = cb_arg;
@@ -2545,7 +2548,7 @@ static int
recv_skip(libzfs_handle_t *hdl, int fd, boolean_t byteswap)
{
dmu_replay_record_t *drr;
- void *buf = malloc(1<<20);
+ void *buf = zfs_alloc(hdl, SPA_MAXBLOCKSIZE);
char errbuf[1024];
(void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN,
Modified: head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -502,6 +502,10 @@ lzc_get_holds(const char *snapname, nvli
*
* "fd" is the file descriptor to write the send stream to.
*
+ * If "flags" contains LZC_SEND_FLAG_LARGE_BLOCK, the stream is permitted
+ * to contain DRR_WRITE records with drr_length > 128K, and DRR_OBJECT
+ * records with drr_blksz > 128K.
+ *
* If "flags" contains LZC_SEND_FLAG_EMBED_DATA, the stream is permitted
* to contain DRR_WRITE_EMBEDDED records with drr_etype==BP_EMBEDDED_TYPE_DATA,
* which the receiving system must support (as indicated by support
@@ -518,6 +522,8 @@ lzc_send(const char *snapname, const cha
fnvlist_add_int32(args, "fd", fd);
if (from != NULL)
fnvlist_add_string(args, "fromsnap", from);
+ if (flags & LZC_SEND_FLAG_LARGE_BLOCK)
+ fnvlist_add_boolean(args, "largeblockok");
if (flags & LZC_SEND_FLAG_EMBED_DATA)
fnvlist_add_boolean(args, "embedok");
err = lzc_ioctl(ZFS_IOC_SEND_NEW, snapname, args, NULL);
Modified: head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.h
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.h Mon Nov 10 00:07:06 2014 (r274336)
+++ head/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core.h Mon Nov 10 08:20:21 2014 (r274337)
@@ -54,7 +54,8 @@ int lzc_release(nvlist_t *, nvlist_t **)
int lzc_get_holds(const char *, nvlist_t **);
enum lzc_send_flags {
- LZC_SEND_FLAG_EMBED_DATA = 1 << 0
+ LZC_SEND_FLAG_EMBED_DATA = 1 << 0,
+ LZC_SEND_FLAG_LARGE_BLOCK = 1 << 1
};
int lzc_send(const char *, const char *, int, enum lzc_send_flags);
Modified: head/sys/boot/zfs/zfsimpl.c
==============================================================================
--- head/sys/boot/zfs/zfsimpl.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/boot/zfs/zfsimpl.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -57,6 +57,7 @@ static const char *features_for_read[] =
"com.delphix:hole_birth",
"com.delphix:extensible_dataset",
"com.delphix:embedded_data",
+ "org.open-zfs:large_blocks",
NULL
};
@@ -1222,6 +1223,11 @@ dnode_read(const spa_t *spa, const dnode
int nlevels = dnode->dn_nlevels;
int i, rc;
+ if (bsize > SPA_MAXBLOCKSIZE) {
+ printf("ZFS: I/O error - blocks larger than 128K are not supported\n");
+ return (EIO);
+ }
+
/*
* Note: bsize may not be a power of two here so we need to do an
* actual divide rather than a bitshift.
Modified: head/sys/cddl/boot/zfs/zfsimpl.h
==============================================================================
--- head/sys/cddl/boot/zfs/zfsimpl.h Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/boot/zfs/zfsimpl.h Mon Nov 10 08:20:21 2014 (r274337)
@@ -113,17 +113,14 @@
#define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32))
/*
- * We currently support nine block sizes, from 512 bytes to 128K.
- * We could go higher, but the benefits are near-zero and the cost
- * of COWing a giant block to modify one byte would become excessive.
+ * Note: the boot loader can't actually read blocks larger than 128KB,
+ * due to lack of memory. Therefore its SPA_MAXBLOCKSIZE is still 128KB.
*/
#define SPA_MINBLOCKSHIFT 9
#define SPA_MAXBLOCKSHIFT 17
#define SPA_MINBLOCKSIZE (1ULL << SPA_MINBLOCKSHIFT)
#define SPA_MAXBLOCKSIZE (1ULL << SPA_MAXBLOCKSHIFT)
-#define SPA_BLOCKSIZES (SPA_MAXBLOCKSHIFT - SPA_MINBLOCKSHIFT + 1)
-
/*
* The DVA size encodings for LSIZE and PSIZE support blocks up to 32MB.
* The ASIZE encoding should be at least 64 times larger (6 more bits)
Modified: head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -56,7 +56,8 @@ valid_char(char c, boolean_t after_colon
{
return ((c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9') ||
- c == (after_colon ? '_' : '.'));
+ (after_colon && c == '_') ||
+ (!after_colon && (c == '.' || c == '-')));
}
/*
@@ -220,4 +221,13 @@ zpool_feature_init(void)
"com.delphix:embedded_data", "embedded_data",
"Blocks which compress very well use even less space.",
B_FALSE, B_TRUE, B_TRUE, NULL);
+
+ static const spa_feature_t large_blocks_deps[] = {
+ SPA_FEATURE_EXTENSIBLE_DATASET,
+ SPA_FEATURE_NONE
+ };
+ zfeature_register(SPA_FEATURE_LARGE_BLOCKS,
+ "org.open-zfs:large_blocks", "large_blocks",
+ "Support for blocks larger than 128KB.", B_FALSE, B_FALSE, B_FALSE,
+ large_blocks_deps);
}
Modified: head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.h
==============================================================================
--- head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.h Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/common/zfs/zfeature_common.h Mon Nov 10 08:20:21 2014 (r274337)
@@ -50,6 +50,7 @@ typedef enum spa_feature {
SPA_FEATURE_EMBEDDED_DATA,
SPA_FEATURE_BOOKMARKS,
SPA_FEATURE_FS_SS_LIMIT,
+ SPA_FEATURE_LARGE_BLOCKS,
SPA_FEATURES
} spa_feature_t;
Modified: head/sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -409,8 +409,8 @@ zfs_prop_init(void)
/* inherit number properties */
zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
- SPA_MAXBLOCKSIZE, PROP_INHERIT,
- ZFS_TYPE_FILESYSTEM, "512 to 128k, power of 2", "RECSIZE");
+ SPA_OLD_MAXBLOCKSIZE, PROP_INHERIT,
+ ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE");
/* hidden properties */
zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER,
Modified: head/sys/cddl/contrib/opensolaris/common/zfs/zpool_prop.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/common/zfs/zpool_prop.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/common/zfs/zpool_prop.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -127,6 +127,8 @@ zpool_prop_init(void)
/* hidden properties */
zprop_register_hidden(ZPOOL_PROP_NAME, "name", PROP_TYPE_STRING,
PROP_READONLY, ZFS_TYPE_POOL, "NAME");
+ zprop_register_hidden(ZPOOL_PROP_MAXBLOCKSIZE, "maxblocksize",
+ PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_POOL, "MAXBLOCKSIZE");
}
/*
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bpobj.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bpobj.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bpobj.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -43,7 +43,7 @@ bpobj_alloc_empty(objset_t *os, int bloc
if (!spa_feature_is_active(spa, SPA_FEATURE_EMPTY_BPOBJ)) {
ASSERT0(dp->dp_empty_bpobj);
dp->dp_empty_bpobj =
- bpobj_alloc(os, SPA_MAXBLOCKSIZE, tx);
+ bpobj_alloc(os, SPA_OLD_MAXBLOCKSIZE, tx);
VERIFY(zap_add(os,
DMU_POOL_DIRECTORY_OBJECT,
DMU_POOL_EMPTY_BPOBJ, sizeof (uint64_t), 1,
@@ -398,7 +398,8 @@ bpobj_enqueue_subobj(bpobj_t *bpo, uint6
dmu_buf_will_dirty(bpo->bpo_dbuf, tx);
if (bpo->bpo_phys->bpo_subobjs == 0) {
bpo->bpo_phys->bpo_subobjs = dmu_object_alloc(bpo->bpo_os,
- DMU_OT_BPOBJ_SUBOBJ, SPA_MAXBLOCKSIZE, DMU_OT_NONE, 0, tx);
+ DMU_OT_BPOBJ_SUBOBJ, SPA_OLD_MAXBLOCKSIZE,
+ DMU_OT_NONE, 0, tx);
}
dmu_object_info_t doi;
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bptree.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bptree.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/bptree.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -65,7 +65,7 @@ bptree_alloc(objset_t *os, dmu_tx_t *tx)
bptree_phys_t *bt;
obj = dmu_object_alloc(os, DMU_OTN_UINT64_METADATA,
- SPA_MAXBLOCKSIZE, DMU_OTN_UINT64_METADATA,
+ SPA_OLD_MAXBLOCKSIZE, DMU_OTN_UINT64_METADATA,
sizeof (bptree_phys_t), tx);
/*
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -2022,10 +2022,8 @@ dbuf_spill_set_blksz(dmu_buf_t *db_fake,
return (SET_ERROR(ENOTSUP));
if (blksz == 0)
blksz = SPA_MINBLOCKSIZE;
- if (blksz > SPA_MAXBLOCKSIZE)
- blksz = SPA_MAXBLOCKSIZE;
- else
- blksz = P2ROUNDUP(blksz, SPA_MINBLOCKSIZE);
+ ASSERT3U(blksz, <=, spa_maxblocksize(dmu_objset_spa(db->db_objset)));
+ blksz = P2ROUNDUP(blksz, SPA_MINBLOCKSIZE);
DB_DNODE_ENTER(db);
dn = DB_DNODE(db);
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_objset.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -255,6 +255,14 @@ logbias_changed_cb(void *arg, uint64_t n
zil_set_logbias(os->os_zil, newval);
}
+static void
+recordsize_changed_cb(void *arg, uint64_t newval)
+{
+ objset_t *os = arg;
+
+ os->os_recordsize = newval;
+}
+
void
dmu_objset_byteswap(void *buf, size_t size)
{
@@ -384,6 +392,11 @@ dmu_objset_open_impl(spa_t *spa, dsl_dat
ZFS_PROP_REDUNDANT_METADATA),
redundant_metadata_changed_cb, os);
}
+ if (err == 0) {
+ err = dsl_prop_register(ds,
+ zfs_prop_to_name(ZFS_PROP_RECORDSIZE),
+ recordsize_changed_cb, os);
+ }
}
if (err != 0) {
VERIFY(arc_buf_remove_ref(os->os_phys_buf,
@@ -642,6 +655,9 @@ dmu_objset_evict(objset_t *os)
VERIFY0(dsl_prop_unregister(ds,
zfs_prop_to_name(ZFS_PROP_REDUNDANT_METADATA),
redundant_metadata_changed_cb, os));
+ VERIFY0(dsl_prop_unregister(ds,
+ zfs_prop_to_name(ZFS_PROP_RECORDSIZE),
+ recordsize_changed_cb, os));
}
VERIFY0(dsl_prop_unregister(ds,
zfs_prop_to_name(ZFS_PROP_PRIMARYCACHE),
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -227,11 +227,12 @@ dump_write(dmu_sendarg_t *dsp, dmu_objec
drrw->drr_offset = offset;
drrw->drr_length = blksz;
drrw->drr_toguid = dsp->dsa_toguid;
- if (BP_IS_EMBEDDED(bp)) {
+ if (bp == NULL || BP_IS_EMBEDDED(bp)) {
/*
- * There's no pre-computed checksum of embedded BP's, so
- * (like fletcher4-checkummed blocks) userland will have
- * to compute a dedup-capable checksum itself.
+ * There's no pre-computed checksum for partial-block
+ * writes or embedded BP's, so (like
+ * fletcher4-checkummed blocks) userland will have to
+ * compute a dedup-capable checksum itself.
*/
drrw->drr_checksumtype = ZIO_CHECKSUM_OFF;
} else {
@@ -393,6 +394,10 @@ dump_dnode(dmu_sendarg_t *dsp, uint64_t
drro->drr_compress = dnp->dn_compress;
drro->drr_toguid = dsp->dsa_toguid;
+ if (!(dsp->dsa_featureflags & DMU_BACKUP_FEATURE_LARGE_BLOCKS) &&
+ drro->drr_blksz > SPA_OLD_MAXBLOCKSIZE)
+ drro->drr_blksz = SPA_OLD_MAXBLOCKSIZE;
+
if (dump_bytes(dsp, dsp->dsa_drr, sizeof (dmu_replay_record_t)) != 0)
return (SET_ERROR(EINTR));
@@ -512,6 +517,7 @@ backup_cb(spa_t *spa, zilog_t *zilog, co
uint32_t aflags = ARC_WAIT;
arc_buf_t *abuf;
int blksz = BP_GET_LSIZE(bp);
+ uint64_t offset;
ASSERT3U(blksz, ==, dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
ASSERT0(zb->zb_level);
@@ -532,8 +538,24 @@ backup_cb(spa_t *spa, zilog_t *zilog, co
}
}
- err = dump_write(dsp, type, zb->zb_object, zb->zb_blkid * blksz,
- blksz, bp, abuf->b_data);
+ offset = zb->zb_blkid * blksz;
+
+ if (!(dsp->dsa_featureflags &
+ DMU_BACKUP_FEATURE_LARGE_BLOCKS) &&
+ blksz > SPA_OLD_MAXBLOCKSIZE) {
+ char *buf = abuf->b_data;
+ while (blksz > 0 && err == 0) {
+ int n = MIN(blksz, SPA_OLD_MAXBLOCKSIZE);
+ err = dump_write(dsp, type, zb->zb_object,
+ offset, n, NULL, buf);
+ offset += n;
+ buf += n;
+ blksz -= n;
+ }
+ } else {
+ err = dump_write(dsp, type, zb->zb_object,
+ offset, blksz, bp, abuf->b_data);
+ }
(void) arc_buf_remove_ref(abuf, &abuf);
}
@@ -548,9 +570,9 @@ static int
dmu_send_impl(void *tag, dsl_pool_t *dp, dsl_dataset_t *ds,
zfs_bookmark_phys_t *fromzb, boolean_t is_clone, boolean_t embedok,
#ifdef illumos
- int outfd, vnode_t *vp, offset_t *off)
+ boolean_t large_block_ok, int outfd, vnode_t *vp, offset_t *off)
#else
- int outfd, struct file *fp, offset_t *off)
+ boolean_t large_block_ok, int outfd, struct file *fp, offset_t *off)
#endif
{
objset_t *os;
@@ -586,6 +608,8 @@ dmu_send_impl(void *tag, dsl_pool_t *dp,
}
#endif
+ if (large_block_ok && ds->ds_large_blocks)
+ featureflags |= DMU_BACKUP_FEATURE_LARGE_BLOCKS;
if (embedok &&
spa_feature_is_active(dp->dp_spa, SPA_FEATURE_EMBEDDED_DATA)) {
featureflags |= DMU_BACKUP_FEATURE_EMBED_DATA;
@@ -682,10 +706,11 @@ out:
int
dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
+ boolean_t embedok, boolean_t large_block_ok,
#ifdef illumos
- boolean_t embedok, int outfd, vnode_t *vp, offset_t *off)
+ int outfd, vnode_t *vp, offset_t *off)
#else
- boolean_t embedok, int outfd, struct file *fp, offset_t *off)
+ int outfd, struct file *fp, offset_t *off)
#endif
{
dsl_pool_t *dp;
@@ -720,18 +745,19 @@ dmu_send_obj(const char *pool, uint64_t
zb.zbm_guid = fromds->ds_phys->ds_guid;
is_clone = (fromds->ds_dir != ds->ds_dir);
dsl_dataset_rele(fromds, FTAG);
- err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone, embedok,
- outfd, fp, off);
+ err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone,
+ embedok, large_block_ok, outfd, fp, off);
} else {
- err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE, embedok,
- outfd, fp, off);
+ err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE,
+ embedok, large_block_ok, outfd, fp, off);
}
dsl_dataset_rele(ds, FTAG);
return (err);
}
int
-dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
+dmu_send(const char *tosnap, const char *fromsnap,
+ boolean_t embedok, boolean_t large_block_ok,
#ifdef illumos
int outfd, vnode_t *vp, offset_t *off)
#else
@@ -802,11 +828,11 @@ dmu_send(const char *tosnap, const char
dsl_pool_rele(dp, FTAG);
return (err);
}
- err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone, embedok,
- outfd, fp, off);
+ err = dmu_send_impl(FTAG, dp, ds, &zb, is_clone,
+ embedok, large_block_ok, outfd, fp, off);
} else {
- err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE, embedok,
- outfd, fp, off);
+ err = dmu_send_impl(FTAG, dp, ds, NULL, B_FALSE,
+ embedok, large_block_ok, outfd, fp, off);
}
if (owned)
dsl_dataset_disown(ds, FTAG);
@@ -1006,6 +1032,15 @@ dmu_recv_begin_check(void *arg, dmu_tx_t
!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LZ4_COMPRESS))
return (SET_ERROR(ENOTSUP));
+ /*
+ * The receiving code doesn't know how to translate large blocks
+ * to smaller ones, so the pool must have the LARGE_BLOCKS
+ * feature enabled if the stream has LARGE_BLOCKS.
+ */
+ if ((featureflags & DMU_BACKUP_FEATURE_LARGE_BLOCKS) &&
+ !spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LARGE_BLOCKS))
+ return (SET_ERROR(ENOTSUP));
+
error = dsl_dataset_hold(dp, tofs, FTAG, &ds);
if (error == 0) {
/* target fs already exists; recv into temp clone */
@@ -1131,6 +1166,13 @@ dmu_recv_begin_sync(void *arg, dmu_tx_t
}
VERIFY0(dsl_dataset_own_obj(dp, dsobj, dmu_recv_tag, &newds));
+ if ((DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo) &
+ DMU_BACKUP_FEATURE_LARGE_BLOCKS) &&
+ !newds->ds_large_blocks) {
+ dsl_dataset_activate_large_blocks_sync_impl(dsobj, tx);
+ newds->ds_large_blocks = B_TRUE;
+ }
+
dmu_buf_will_dirty(newds->ds_dbuf, tx);
newds->ds_phys->ds_flags |= DS_FLAG_INCONSISTENT;
@@ -1283,6 +1325,7 @@ restore_read(struct restorearg *ra, int
/* some things will require 8-byte alignment, so everything must */
ASSERT0(len % 8);
+ ASSERT3U(len, <=, ra->bufsize);
while (done < len) {
ssize_t resid;
@@ -1420,7 +1463,7 @@ restore_object(struct restorearg *ra, ob
drro->drr_compress >= ZIO_COMPRESS_FUNCTIONS ||
P2PHASE(drro->drr_blksz, SPA_MINBLOCKSIZE) ||
drro->drr_blksz < SPA_MINBLOCKSIZE ||
- drro->drr_blksz > SPA_MAXBLOCKSIZE ||
+ drro->drr_blksz > spa_maxblocksize(dmu_objset_spa(os)) ||
drro->drr_bonuslen > DN_MAX_BONUSLEN) {
return (SET_ERROR(EINVAL));
}
@@ -1693,7 +1736,7 @@ restore_spill(struct restorearg *ra, obj
int err;
if (drrs->drr_length < SPA_MINBLOCKSIZE ||
- drrs->drr_length > SPA_MAXBLOCKSIZE)
+ drrs->drr_length > spa_maxblocksize(dmu_objset_spa(os)))
return (SET_ERROR(EINVAL));
data = restore_read(ra, drrs->drr_length, NULL);
@@ -1781,7 +1824,7 @@ dmu_recv_stream(dmu_recv_cookie_t *drc,
ra.td = curthread;
ra.fp = fp;
ra.voff = *voffp;
- ra.bufsize = 1<<20;
+ ra.bufsize = SPA_MAXBLOCKSIZE;
ra.buf = kmem_alloc(ra.bufsize, KM_SLEEP);
/* these were verified in dmu_recv_begin */
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -224,7 +224,7 @@ dmu_tx_count_write(dmu_tx_hold_t *txh, u
return;
min_bs = SPA_MINBLOCKSHIFT;
- max_bs = SPA_MAXBLOCKSHIFT;
+ max_bs = highbit64(txh->txh_tx->tx_objset->os_recordsize) - 1;
min_ibs = DN_MIN_INDBLKSHIFT;
max_ibs = DN_MAX_INDBLKSHIFT;
@@ -293,6 +293,14 @@ dmu_tx_count_write(dmu_tx_hold_t *txh, u
*/
ASSERT(dn->dn_datablkshift != 0);
min_bs = max_bs = dn->dn_datablkshift;
+ } else {
+ /*
+ * The blocksize can increase up to the recordsize,
+ * or if it is already more than the recordsize,
+ * up to the next power of 2.
+ */
+ min_bs = highbit64(dn->dn_datablksz - 1);
+ max_bs = MAX(max_bs, highbit64(dn->dn_datablksz - 1));
}
/*
@@ -751,11 +759,11 @@ dmu_tx_hold_zap(dmu_tx_t *tx, uint64_t o
bp = &dn->dn_phys->dn_blkptr[0];
if (dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset,
bp, bp->blk_birth))
- txh->txh_space_tooverwrite += SPA_MAXBLOCKSIZE;
+ txh->txh_space_tooverwrite += MZAP_MAX_BLKSZ;
else
- txh->txh_space_towrite += SPA_MAXBLOCKSIZE;
+ txh->txh_space_towrite += MZAP_MAX_BLKSZ;
if (!BP_IS_HOLE(bp))
- txh->txh_space_tounref += SPA_MAXBLOCKSIZE;
+ txh->txh_space_tounref += MZAP_MAX_BLKSZ;
return;
}
@@ -1549,18 +1557,18 @@ dmu_tx_hold_spill(dmu_tx_t *tx, uint64_t
/* If blkptr doesn't exist then add space to towrite */
if (!(dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR)) {
- txh->txh_space_towrite += SPA_MAXBLOCKSIZE;
+ txh->txh_space_towrite += SPA_OLD_MAXBLOCKSIZE;
} else {
blkptr_t *bp;
bp = &dn->dn_phys->dn_spill;
if (dsl_dataset_block_freeable(dn->dn_objset->os_dsl_dataset,
bp, bp->blk_birth))
- txh->txh_space_tooverwrite += SPA_MAXBLOCKSIZE;
+ txh->txh_space_tooverwrite += SPA_OLD_MAXBLOCKSIZE;
else
- txh->txh_space_towrite += SPA_MAXBLOCKSIZE;
+ txh->txh_space_towrite += SPA_OLD_MAXBLOCKSIZE;
if (!BP_IS_HOLE(bp))
- txh->txh_space_tounref += SPA_MAXBLOCKSIZE;
+ txh->txh_space_tounref += SPA_OLD_MAXBLOCKSIZE;
}
}
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c Mon Nov 10 00:07:06 2014 (r274336)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c Mon Nov 10 08:20:21 2014 (r274337)
@@ -513,10 +513,10 @@ dnode_allocate(dnode_t *dn, dmu_object_t
{
int i;
+ ASSERT3U(blocksize, <=,
+ spa_maxblocksize(dmu_objset_spa(dn->dn_objset)));
if (blocksize == 0)
blocksize = 1 << zfs_default_bs;
- else if (blocksize > SPA_MAXBLOCKSIZE)
- blocksize = SPA_MAXBLOCKSIZE;
else
blocksize = P2ROUNDUP(blocksize, SPA_MINBLOCKSIZE);
@@ -597,7 +597,8 @@ dnode_reallocate(dnode_t *dn, dmu_object
int nblkptr;
ASSERT3U(blocksize, >=, SPA_MINBLOCKSIZE);
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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