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authorMax Grossman <[email protected]>2013-12-09 10:37:51 -0800
committerBrian Behlendorf <[email protected]>2014-07-28 14:29:58 -0700
commitb0bc7a84d90dcbf5321d48c5b24ed771c5a128b0 (patch)
tree03d27d236cd79a060f69a9bd5ec047a59fc61939 /module/zfs/zil.c
parentfa86b5dbb6d33371df344efb2adb0aba026d097c (diff)
Illumos 4370, 4371
4370 avoid transmitting holes during zfs send 4371 DMU code clean up Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Christopher Siden <[email protected]> Reviewed by: Josef 'Jeff' Sipek <[email protected]> Approved by: Garrett D'Amore <[email protected]>a References: https://www.illumos.org/issues/4370 https://www.illumos.org/issues/4371 https://github.com/illumos/illumos-gate/commit/43466aa Ported by: Tim Chase <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2529
Diffstat (limited to 'module/zfs/zil.c')
-rw-r--r--module/zfs/zil.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/module/zfs/zil.c b/module/zfs/zil.c
index b69a7bf56..b5ee395d1 100644
--- a/module/zfs/zil.c
+++ b/module/zfs/zil.c
@@ -395,7 +395,8 @@ zil_claim_log_block(zilog_t *zilog, blkptr_t *bp, void *tx, uint64_t first_txg)
* Claim log block if not already committed and not already claimed.
* If tx == NULL, just verify that the block is claimable.
*/
- if (bp->blk_birth < first_txg || zil_bp_tree_add(zilog, bp) != 0)
+ if (BP_IS_HOLE(bp) || bp->blk_birth < first_txg ||
+ zil_bp_tree_add(zilog, bp) != 0)
return (0);
return (zio_wait(zio_claim(NULL, zilog->zl_spa,
@@ -445,7 +446,8 @@ zil_free_log_record(zilog_t *zilog, lr_t *lrc, void *tx, uint64_t claim_txg)
* If we previously claimed it, we need to free it.
*/
if (claim_txg != 0 && lrc->lrc_txtype == TX_WRITE &&
- bp->blk_birth >= claim_txg && zil_bp_tree_add(zilog, bp) == 0)
+ bp->blk_birth >= claim_txg && zil_bp_tree_add(zilog, bp) == 0 &&
+ !BP_IS_HOLE(bp))
zio_free(zilog->zl_spa, dmu_tx_get_txg(tx), bp);
return (0);