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DLPX-40252 integrate EP-476 compressed zfs send/receive

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Authored by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported by: David Quigley <david.quigley@intel.com>
Issue #5078
This commit is contained in:
Dan Kimmel
2016-07-11 13:45:52 -04:00
committed by Brian Behlendorf
parent d3c2ae1c08
commit 2aa34383b9
24 changed files with 1062 additions and 550 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/dmu_objset.c
+5 -6
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@@ -374,9 +374,8 @@ dmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,
/* Increase the blocksize if we are permitted. */
if (spa_version(spa) >= SPA_VERSION_USERSPACE &&
arc_buf_size(os->os_phys_buf) < sizeof (objset_phys_t)) {
arc_buf_t *buf = arc_alloc_buf(spa,
sizeof (objset_phys_t), &os->os_phys_buf,
ARC_BUFC_METADATA);
arc_buf_t *buf = arc_alloc_buf(spa, &os->os_phys_buf,
ARC_BUFC_METADATA, sizeof (objset_phys_t));
bzero(buf->b_data, sizeof (objset_phys_t));
bcopy(os->os_phys_buf->b_data, buf->b_data,
arc_buf_size(os->os_phys_buf));
@@ -389,8 +388,8 @@ dmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,
} else {
int size = spa_version(spa) >= SPA_VERSION_USERSPACE ?
sizeof (objset_phys_t) : OBJSET_OLD_PHYS_SIZE;
os->os_phys_buf = arc_alloc_buf(spa, size,
&os->os_phys_buf, ARC_BUFC_METADATA);
os->os_phys_buf = arc_alloc_buf(spa, &os->os_phys_buf,
ARC_BUFC_METADATA, size);
os->os_phys = os->os_phys_buf->b_data;
bzero(os->os_phys, size);
}
@@ -1175,7 +1174,7 @@ dmu_objset_sync(objset_t *os, zio_t *pio, dmu_tx_t *tx)
ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);
arc_release(os->os_phys_buf, &os->os_phys_buf);
dmu_write_policy(os, NULL, 0, 0, &zp);
dmu_write_policy(os, NULL, 0, 0, ZIO_COMPRESS_INHERIT, &zp);
zio = arc_write(pio, os->os_spa, tx->tx_txg,
os->os_rootbp, os->os_phys_buf, DMU_OS_IS_L2CACHEABLE(os),