diff options
Diffstat (limited to 'lib/kernel/src/disk_log.erl')
-rw-r--r-- | lib/kernel/src/disk_log.erl | 72 |
1 files changed, 43 insertions, 29 deletions
diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl index 9b8d2db437..fb9415d440 100644 --- a/lib/kernel/src/disk_log.erl +++ b/lib/kernel/src/disk_log.erl @@ -64,7 +64,7 @@ %%-define(PROFILE(C), C). -define(PROFILE(C), void). --compile({inline,[{log_loop,4},{log_end_sync,2},{replies,2},{rflat,1}]}). +-compile({inline,[{log_loop,5},{log_end_sync,2},{replies,2},{rflat,1}]}). %%%---------------------------------------------------------------------- %%% Contract type specifications @@ -685,7 +685,7 @@ handle({From, {log, B}}, S) -> L when L#log.mode =:= read_only -> reply(From, {error, {read_only_mode, L#log.name}}, S); L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, From, [B], []); + log_loop(S, From, [B], [], iolist_size(B)); L when L#log.status =:= ok, L#log.format =:= external -> reply(From, {error, {format_external, L#log.name}}, S); L when L#log.status =:= {blocked, false} -> @@ -700,7 +700,7 @@ handle({From, {blog, B}}, S) -> L when L#log.mode =:= read_only -> reply(From, {error, {read_only_mode, L#log.name}}, S); L when L#log.status =:= ok -> - log_loop(S, From, [B], []); + log_loop(S, From, [B], [], iolist_size(B)); L when L#log.status =:= {blocked, false} -> reply(From, {error, {blocked_log, L#log.name}}, S); L when L#log.blocked_by =:= From -> @@ -714,7 +714,7 @@ handle({alog, B}, S) -> notify_owners({read_only,B}), loop(S); L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, [], [B], []); + log_loop(S, [], [B], [], iolist_size(B)); L when L#log.status =:= ok -> notify_owners({format_external, B}), loop(S); @@ -730,7 +730,7 @@ handle({balog, B}, S) -> notify_owners({read_only,B}), loop(S); L when L#log.status =:= ok -> - log_loop(S, [], [B], []); + log_loop(S, [], [B], [], iolist_size(B)); L when L#log.status =:= {blocked, false} -> notify_owners({blocked_log, B}), loop(S); @@ -1029,38 +1029,42 @@ handle(_, S) -> loop(S). sync_loop(From, S) -> - log_loop(S, [], [], From). + log_loop(S, [], [], From, 0). + +-define(MAX_LOOK_AHEAD, 64*1024). %% Inlined. -log_loop(S, Pids, _Bins, _Sync) when S#state.cache_error =/= ok -> +log_loop(S, Pids, _Bins, _Sync, _Sz) when S#state.cache_error =/= ok -> loop(cache_error(S, Pids)); -log_loop(S, Pids, Bins, Sync) when S#state.messages =:= [] -> +log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) + when Sz > ?MAX_LOOK_AHEAD -> + loop(log_end(S, Pids, Bins, Sync)); +log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) -> receive Message -> - log_loop(Message, Pids, Bins, Sync, S, get(log)) + log_loop(Message, Pids, Bins, Sync, Sz, S, get(log)) after 0 -> loop(log_end(S, Pids, Bins, Sync)) end; -log_loop(S, Pids, Bins, Sync) -> +log_loop(S, Pids, Bins, Sync, Sz) -> [M | Ms] = S#state.messages, S1 = S#state{messages = Ms}, - log_loop(M, Pids, Bins, Sync, S1, get(log)). + log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)). %% Items logged after the last sync request found are sync:ed as well. -log_loop({alog,B}, Pids, Bins, Sync, S, L) when L#log.format =:= internal -> +log_loop({alog,B}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> %% {alog, _} allowed for the internal format only. - log_loop(S, Pids, [B | Bins], Sync); -log_loop({balog, B}, Pids, Bins, Sync, S, _L) -> - log_loop(S, Pids, [B | Bins], Sync); -log_loop({From, {log, B}}, Pids, Bins, Sync, S, L) - when L#log.format =:= internal -> + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({balog, B}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, {log, B}}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> %% {log, _} allowed for the internal format only. - log_loop(S, [From | Pids], [B | Bins], Sync); -log_loop({From, {blog, B}}, Pids, Bins, Sync, S, _L) -> - log_loop(S, [From | Pids], [B | Bins], Sync); -log_loop({From, sync}, Pids, Bins, Sync, S, _L) -> - log_loop(S, Pids, Bins, [From | Sync]); -log_loop(Message, Pids, Bins, Sync, S, _L) -> + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, {blog, B}}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, sync}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, Pids, Bins, [From | Sync], Sz); +log_loop(Message, Pids, Bins, Sync, _Sz, S, _L) -> NS = log_end(S, Pids, Bins, Sync), handle(Message, NS). @@ -1240,20 +1244,29 @@ is_owner(Pid, L) -> %% ok | throw(Error) rename_file(File, NewFile, halt) -> - file:rename(File, NewFile); + case file:rename(File, NewFile) of + ok -> + ok; + Else -> + file_error(NewFile, Else) + end; rename_file(File, NewFile, wrap) -> rename_file(wrap_file_extensions(File), File, NewFile, ok). -rename_file([Ext|Exts], File, NewFile, Res) -> - NRes = case file:rename(add_ext(File, Ext), add_ext(NewFile, Ext)) of +rename_file([Ext|Exts], File, NewFile0, Res) -> + NewFile = add_ext(NewFile0, Ext), + NRes = case file:rename(add_ext(File, Ext), NewFile) of ok -> Res; Else -> - Else + file_error(NewFile, Else) end, - rename_file(Exts, File, NewFile, NRes); + rename_file(Exts, File, NewFile0, NRes); rename_file([], _File, _NewFiles, Res) -> Res. +file_error(FileName, {error, Error}) -> + {error, {file_error, FileName, Error}}. + %% "Old" error messages have been kept, arg_mismatch has been added. %%-spec compare_arg(dlog_options(), #arg{}, compare_arg([], _A, none, _OrigHead) -> @@ -1947,7 +1960,8 @@ monitor_request(Pid, Req) -> receive {'DOWN', Ref, process, Pid, _Info} -> {error, no_such_log}; - {disk_log, Pid, Reply} -> + {disk_log, Pid, Reply} when not is_tuple(Reply) orelse + element(2, Reply) =/= disk_log_stopped -> erlang:demonitor(Ref), receive {'DOWN', Ref, process, Pid, _Reason} -> |