diff options
| -rw-r--r-- | fs/btrfs/qgroup.c | 50 | ||||
| -rw-r--r-- | fs/btrfs/qgroup.h | 3 | ||||
| -rw-r--r-- | fs/btrfs/transaction.c | 10 |
3 files changed, 18 insertions, 45 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 34116f6cb5d5..fc2260359211 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1406,38 +1406,6 @@ out: return ret; } -int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info) -{ - struct btrfs_qgroup_extent_record *record; - struct btrfs_delayed_ref_root *delayed_refs; - struct rb_node *node; - u64 qgroup_to_skip; - int ret = 0; - - delayed_refs = &trans->transaction->delayed_refs; - qgroup_to_skip = delayed_refs->qgroup_to_skip; - - /* - * No need to do lock, since this function will only be called in - * btrfs_commit_transaction(). - */ - node = rb_first(&delayed_refs->dirty_extent_root); - while (node) { - record = rb_entry(node, struct btrfs_qgroup_extent_record, - node); - if (WARN_ON(!record->old_roots)) - ret = btrfs_find_all_roots(NULL, fs_info, - record->bytenr, 0, &record->old_roots); - if (ret < 0) - break; - if (qgroup_to_skip) - ulist_del(record->old_roots, qgroup_to_skip, 0); - node = rb_next(node); - } - return ret; -} - int btrfs_qgroup_trace_extent_nolock(struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_root *delayed_refs, struct btrfs_qgroup_extent_record *record) @@ -2057,6 +2025,19 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans, if (!ret) { /* + * Old roots should be searched when inserting qgroup + * extent record + */ + if (WARN_ON(!record->old_roots)) { + /* Search commit root to find old_roots */ + ret = btrfs_find_all_roots(NULL, fs_info, + record->bytenr, 0, + &record->old_roots); + if (ret < 0) + goto cleanup; + } + + /* * Use SEQ_LAST as time_seq to do special search, which * doesn't lock tree or delayed_refs and search current * root. It's safe inside commit_transaction(). @@ -2065,8 +2046,11 @@ int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans, record->bytenr, SEQ_LAST, &new_roots); if (ret < 0) goto cleanup; - if (qgroup_to_skip) + if (qgroup_to_skip) { ulist_del(new_roots, qgroup_to_skip, 0); + ulist_del(record->old_roots, qgroup_to_skip, + 0); + } ret = btrfs_qgroup_account_extent(trans, fs_info, record->bytenr, record->num_bytes, record->old_roots, new_roots); diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index fe04d3f295c6..d11125d6afb9 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -134,8 +134,7 @@ int btrfs_limit_qgroup(struct btrfs_trans_handle *trans, int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info); void btrfs_free_qgroup_config(struct btrfs_fs_info *fs_info); struct btrfs_delayed_extent_op; -int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info); + /* * Inform qgroup to trace one dirty extent, its info is recorded in @record. * So qgroup can account it at transaction committing time. diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 97e33513b195..309b73da756b 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1374,9 +1374,6 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans, ret = commit_fs_roots(trans, fs_info); if (ret) goto out; - ret = btrfs_qgroup_prepare_account_extents(trans, fs_info); - if (ret < 0) - goto out; ret = btrfs_qgroup_account_extents(trans, fs_info); if (ret < 0) goto out; @@ -2180,13 +2177,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) goto scrub_continue; } - ret = btrfs_qgroup_prepare_account_extents(trans, fs_info); - if (ret) { - mutex_unlock(&fs_info->tree_log_mutex); - mutex_unlock(&fs_info->reloc_mutex); - goto scrub_continue; - } - /* * Since fs roots are all committed, we can get a quite accurate * new_roots. So let's do quota accounting. |