diff options
Diffstat (limited to 'libbcachefs/io_write.c')
| -rw-r--r-- | libbcachefs/io_write.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libbcachefs/io_write.c b/libbcachefs/io_write.c index fbfc42ff..97f7a4b7 100644 --- a/libbcachefs/io_write.c +++ b/libbcachefs/io_write.c @@ -202,6 +202,17 @@ static inline int bch2_extent_update_i_size_sectors(struct btree_trans *trans, struct btree_iter iter; struct bkey_i *k; struct bkey_i_inode_v3 *inode; + /* + * Crazy performance optimization: + * Every extent update needs to also update the inode: the inode trigger + * will set bi->journal_seq to the journal sequence number of this + * transaction - for fsync. + * + * But if that's the only reason we're updating the inode (we're not + * updating bi_size or bi_sectors), then we don't need the inode update + * to be journalled - if we crash, the bi_journal_seq update will be + * lost, but that's fine. + */ unsigned inode_update_flags = BTREE_UPDATE_NOJOURNAL; int ret; @@ -305,8 +316,8 @@ int bch2_extent_update(struct btree_trans *trans, i_sectors_delta) ?: bch2_trans_update(trans, iter, k, 0) ?: bch2_trans_commit(trans, disk_res, NULL, - BTREE_INSERT_NOCHECK_RW| - BTREE_INSERT_NOFAIL); + BCH_TRANS_COMMIT_no_check_rw| + BCH_TRANS_COMMIT_no_enospc); if (unlikely(ret)) return ret; @@ -1165,7 +1176,7 @@ static void bch2_nocow_write_convert_unwritten(struct bch_write_op *op) ret = for_each_btree_key_upto_commit(trans, iter, BTREE_ID_extents, bkey_start_pos(&orig->k), orig->k.p, BTREE_ITER_INTENT, k, - NULL, NULL, BTREE_INSERT_NOFAIL, ({ + NULL, NULL, BCH_TRANS_COMMIT_no_enospc, ({ bch2_nocow_write_convert_one_unwritten(trans, &iter, orig, k, op->new_i_size); })); |