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* [PATCH 11/15] lei note-event: clear_src on ENOENT
  2021-10-21 21:10  6% [PATCH 00/15] use RENAME_NOREPLACE on Linux 3.15+ Eric Wong
@ 2021-10-21 21:10  7% ` Eric Wong
  0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2021-10-21 21:10 UTC (permalink / raw)
  To: meta

When a file goes away, try to make sure we don't waste
time trying to access or store it.
---
 lib/PublicInbox/LeiNoteEvent.pm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/LeiNoteEvent.pm b/lib/PublicInbox/LeiNoteEvent.pm
index 3472e73070d6..22d6ffac9feb 100644
--- a/lib/PublicInbox/LeiNoteEvent.pm
+++ b/lib/PublicInbox/LeiNoteEvent.pm
@@ -8,6 +8,7 @@ use strict;
 use v5.10.1;
 use parent qw(PublicInbox::IPC);
 use PublicInbox::DS;
+use Errno qw(ENOENT);
 
 our $to_flush; # { cfgpath => $lei }
 
@@ -59,8 +60,11 @@ sub eml_event ($$$$) {
 
 sub maildir_event { # via wq_io_do
 	my ($self, $fn, $vmd, $state) = @_;
-	my $eml = PublicInbox::InboxWritable::eml_from_path($fn) // return;
-	eml_event($self, $eml, $vmd, $state);
+	if (my $eml = PublicInbox::InboxWritable::eml_from_path($fn)) {
+		eml_event($self, $eml, $vmd, $state);
+	} elsif ($! == ENOENT) {
+		$self->{lms}->clear_src(@{$vmd->{sync_info}});
+	} # else: eml_from_path already warns
 }
 
 sub lei_note_event {

^ permalink raw reply related	[relevance 7%]

* [PATCH 00/15] use RENAME_NOREPLACE on Linux 3.15+
@ 2021-10-21 21:10  6% Eric Wong
  2021-10-21 21:10  7% ` [PATCH 11/15] lei note-event: clear_src on ENOENT Eric Wong
  0 siblings, 1 reply; 2+ results
From: Eric Wong @ 2021-10-21 21:10 UTC (permalink / raw)
  To: meta

What started off as a trivial, "something-to-do-before-bedtime"
change several days ago (15/15) ended up forcing me to fix
various hard-to-reproduce race conditions around Maildirs.

Eventually, `schedtool -a 0x1 -e ...' helped me reproduce
some races more easily (but still not with 100% reliability).

t/lei-{watch,auto-watch,export-kw}.t should all be more
reliable, now.

There's also several other minor fixes I found along the way...

Eric Wong (15):
  t/lei-{auto-watch,export-kw}: extra diagnostics on failure
  t/lei-import-maildir: rename fix (SR -> RS)
  t/lei-p2q: extra diagnostics
  lei/store: check for any unexpected process death
  lei note-event: drop unnecessary eval guard
  lei note-event: wq_io_do => wq_do
  lei_search: try harder to associate "lei index"-ed messages
  watch: check for {quit} before IDLE
  watch: remove redundant signal mask manipulation
  doc: lei-overview: add CAVEATS section
  lei note-event: clear_src on ENOENT
  dir_idle: treat IN_MOVED_FROM as a gone event
  lei: no Perl FileHandle for `undef' w/ ECONNRESET
  lei_mail_sync: mv_src: use transaction, check UNIQUE
  lei: use RENAME_NOREPLACE on Linux 3.15+

 Documentation/lei-overview.pod  |  5 ++++
 MANIFEST                        |  1 +
 devel/syscall-list              |  8 +++++-
 lib/PublicInbox/DirIdle.pm      |  3 +-
 lib/PublicInbox/FakeInotify.pm  |  3 ++
 lib/PublicInbox/LEI.pm          |  3 +-
 lib/PublicInbox/LeiExportKw.pm  | 19 ++++---------
 lib/PublicInbox/LeiMailSync.pm  |  8 ++++--
 lib/PublicInbox/LeiNoteEvent.pm | 13 +++++----
 lib/PublicInbox/LeiSearch.pm    | 13 ++++++++-
 lib/PublicInbox/LeiStore.pm     | 16 +++++++----
 lib/PublicInbox/LeiToMail.pm    |  7 ++---
 lib/PublicInbox/Syscall.pm      | 49 +++++++++++++++++++++++++++++++--
 lib/PublicInbox/Watch.pm        | 13 +++------
 t/lei-auto-watch.t              |  3 +-
 t/lei-export-kw.t               | 39 ++++++++++++++++++--------
 t/lei-import-maildir.t          |  2 +-
 t/lei-p2q.t                     |  2 +-
 t/rename_noreplace.t            | 26 +++++++++++++++++
 19 files changed, 173 insertions(+), 60 deletions(-)
 create mode 100644 t/rename_noreplace.t

^ permalink raw reply	[relevance 6%]

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2021-10-21 21:10  6% [PATCH 00/15] use RENAME_NOREPLACE on Linux 3.15+ Eric Wong
2021-10-21 21:10  7% ` [PATCH 11/15] lei note-event: clear_src on ENOENT Eric Wong

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