diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.c')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index cca7e85e32dd..4176df149d04 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -84,6 +84,17 @@ void btrfs_delayed_refs_rsv_release(struct btrfs_fs_info *fs_info, int nr) u64 num_bytes = btrfs_calc_insert_metadata_size(fs_info, nr); u64 released = 0; + /* + * We have to check the mount option here because we could be enabling + * the free space tree for the first time and don't have the compat_ro + * option set yet. + * + * We need extra reservations if we have the free space tree because + * we'll have to modify that tree as well. + */ + if (btrfs_test_opt(fs_info, FREE_SPACE_TREE)) + num_bytes *= 2; + released = btrfs_block_rsv_release(fs_info, block_rsv, num_bytes, NULL); if (released) trace_btrfs_space_reservation(fs_info, "delayed_refs_rsv", @@ -108,6 +119,17 @@ void btrfs_update_delayed_refs_rsv(struct btrfs_trans_handle *trans) num_bytes = btrfs_calc_insert_metadata_size(fs_info, trans->delayed_ref_updates); + /* + * We have to check the mount option here because we could be enabling + * the free space tree for the first time and don't have the compat_ro + * option set yet. + * + * We need extra reservations if we have the free space tree because + * we'll have to modify that tree as well. + */ + if (btrfs_test_opt(fs_info, FREE_SPACE_TREE)) + num_bytes *= 2; + spin_lock(&delayed_rsv->lock); delayed_rsv->size += num_bytes; delayed_rsv->full = 0; @@ -191,8 +213,7 @@ int btrfs_delayed_refs_rsv_refill(struct btrfs_fs_info *fs_info, if (!num_bytes) return 0; - ret = btrfs_reserve_metadata_bytes(fs_info->extent_root, block_rsv, - num_bytes, flush); + ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv, num_bytes, flush); if (ret) return ret; btrfs_block_rsv_add_bytes(block_rsv, num_bytes, 0); |