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-rw-r--r--module/zfs/arc.c12
1 files changed, 9 insertions, 3 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);