diff options
Diffstat (limited to 'module/zfs')
| -rw-r--r-- | module/zfs/arc.c | 12 | ||||
| -rw-r--r-- | module/zfs/dbuf.c | 4 | ||||
| -rw-r--r-- | module/zfs/dmu.c | 20 | ||||
| -rw-r--r-- | module/zfs/dmu_objset.c | 2 |
4 files changed, 15 insertions, 23 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index 492a33a60..8680e9ac0 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -5977,6 +5977,7 @@ arc_write(zio_t *pio, spa_t *spa, uint64_t txg, arc_buf_hdr_t *hdr = buf->b_hdr; arc_write_callback_t *callback; zio_t *zio; + zio_prop_t localprop = *zp; ASSERT3P(ready, !=, NULL); ASSERT3P(done, !=, NULL); @@ -5987,7 +5988,13 @@ arc_write(zio_t *pio, spa_t *spa, uint64_t txg, if (l2arc) arc_hdr_set_flags(hdr, ARC_FLAG_L2CACHE); if (ARC_BUF_COMPRESSED(buf)) { - ASSERT3U(zp->zp_compress, !=, ZIO_COMPRESS_OFF); + /* + * We're writing a pre-compressed buffer. Make the + * compression algorithm requested by the zio_prop_t match + * the pre-compressed buffer's compression algorithm. + */ + localprop.zp_compress = HDR_GET_COMPRESS(hdr); + ASSERT3U(HDR_GET_LSIZE(hdr), !=, arc_buf_size(buf)); zio_flags |= ZIO_FLAG_RAW; } @@ -6023,8 +6030,7 @@ arc_write(zio_t *pio, spa_t *spa, uint64_t txg, zio = zio_write(pio, spa, txg, bp, abd_get_from_buf(buf->b_data, HDR_GET_LSIZE(hdr)), - HDR_GET_LSIZE(hdr), arc_buf_size(buf), zp, - arc_write_ready, + HDR_GET_LSIZE(hdr), arc_buf_size(buf), &localprop, arc_write_ready, (children_ready != NULL) ? arc_write_children_ready : NULL, arc_write_physdone, arc_write_done, callback, priority, zio_flags, zb); diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index 1575cc1b4..611382686 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -3736,9 +3736,7 @@ dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx) wp_flag = WP_SPILL; wp_flag |= (db->db_state == DB_NOFILL) ? WP_NOFILL : 0; - dmu_write_policy(os, dn, db->db_level, wp_flag, - (data != NULL && arc_get_compression(data) != ZIO_COMPRESS_OFF) ? - arc_get_compression(data) : ZIO_COMPRESS_INHERIT, &zp); + dmu_write_policy(os, dn, db->db_level, wp_flag, &zp); DB_DNODE_EXIT(db); /* diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c index 4203ddb16..5cf09412f 100644 --- a/module/zfs/dmu.c +++ b/module/zfs/dmu.c @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2016 by Delphix. All rights reserved. + * Copyright (c) 2011, 2017 by Delphix. All rights reserved. * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. * Copyright (c) 2013, Joyent, Inc. All rights reserved. * Copyright (c) 2016, Nexenta Systems, Inc. All rights reserved. @@ -1705,8 +1705,7 @@ dmu_sync(zio_t *pio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd) DB_DNODE_ENTER(db); dn = DB_DNODE(db); - dmu_write_policy(os, dn, db->db_level, WP_DMU_SYNC, - ZIO_COMPRESS_INHERIT, &zp); + dmu_write_policy(os, dn, db->db_level, WP_DMU_SYNC, &zp); DB_DNODE_EXIT(db); /* @@ -1876,8 +1875,7 @@ int zfs_mdcomp_disable = 0; int zfs_redundant_metadata_most_ditto_level = 2; void -dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, - enum zio_compress override_compress, zio_prop_t *zp) +dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp) { dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET; boolean_t ismd = (level > 0 || DMU_OT_IS_METADATA(type) || @@ -1890,9 +1888,6 @@ dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, boolean_t dedup_verify = os->os_dedup_verify; int copies = os->os_copies; - IMPLY(override_compress == ZIO_COMPRESS_LZ4, - spa_feature_is_active(os->os_spa, SPA_FEATURE_LZ4_COMPRESS)); - /* * We maintain different write policies for each of the following * types of data: @@ -1979,14 +1974,7 @@ dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, } zp->zp_checksum = checksum; - - /* - * If we're writing a pre-compressed buffer, the compression type we use - * must match the data. If it hasn't been compressed yet, then we should - * use the value dictated by the policies above. - */ - zp->zp_compress = override_compress != ZIO_COMPRESS_INHERIT - ? override_compress : compress; + zp->zp_compress = compress; ASSERT3U(zp->zp_compress, !=, ZIO_COMPRESS_INHERIT); zp->zp_type = (wp & WP_SPILL) ? dn->dn_bonustype : type; diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c index 946e4602f..a50f8dcb1 100644 --- a/module/zfs/dmu_objset.c +++ b/module/zfs/dmu_objset.c @@ -1326,7 +1326,7 @@ 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, ZIO_COMPRESS_INHERIT, &zp); + dmu_write_policy(os, NULL, 0, 0, &zp); zio = arc_write(pio, os->os_spa, tx->tx_txg, blkptr_copy, os->os_phys_buf, DMU_OS_IS_L2CACHEABLE(os), |