diff options
| -rw-r--r-- | fs/btrfs/transaction.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c497886d30e6..8b6a99b8d7f6 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -601,15 +601,16 @@ start_transaction(struct btrfs_root *root, unsigned int num_items, /* * We want to reserve all the bytes we may need all at once, so * we only do 1 enospc flushing cycle per transaction start. We - * accomplish this by simply assuming we'll do 2 x num_items - * worth of delayed refs updates in this trans handle, and - * refill that amount for whatever is missing in the reserve. + * accomplish this by simply assuming we'll do num_items worth + * of delayed refs updates in this trans handle, and refill that + * amount for whatever is missing in the reserve. */ num_bytes = btrfs_calc_insert_metadata_size(fs_info, num_items); if (flush == BTRFS_RESERVE_FLUSH_ALL && !btrfs_block_rsv_full(delayed_refs_rsv)) { - delayed_refs_bytes = num_bytes; - num_bytes <<= 1; + delayed_refs_bytes = btrfs_calc_delayed_ref_bytes(fs_info, + num_items); + num_bytes += delayed_refs_bytes; } /* |