From: Austin Clements <amdragon@MIT.EDU>
To: Sebastian Spaeth <Sebastian@sspaeth.de>
Cc: notmuch@notmuchmail.org
Subject: Re: [PATCH v6 00/17] Fix 'notmuch new' atomicity issues
Date: Thu, 29 Sep 2011 11:01:47 -0400 [thread overview]
Message-ID: <20110929150147.GC17905@mit.edu> (raw)
In-Reply-To: <87fwjgoc8f.fsf@SSpaeth.de>
Quoth Sebastian Spaeth on Sep 28 at 6:36 pm:
> On Sat, 11 Jun 2011 16:04:26 -0400, Austin Clements <amdragon@MIT.EDU> wrote:
> > Here's the reworked patch series that uses atomic sections more
> > heavily rather than changing the removal API. This is atomic-new-v6
> > on http://awakening.csail.mit.edu/git/notmuch.git .
>
> I just caught up implementing find_message_by_filename and
> begin|end_atomic
>
> One oddity, since databases are opened in read-only by default, I was
> surprise to see find_message_by_filename on such a database have my
> python instance crash...
>
> > lib: Add an API to find a message by filename.
> > Culled from "lib: Add API's to find by filename and ..." in the old
> > series. What I kept is identical.
>
> db.find_message_by_filename("moo")
> Internal error: Failure to ensure database is writable
> (lib/directory.cc:100).
>
> Outch?
Oof.
It appears that looking up a directory requires a writable database
because notmuch will try to *create* a database document for the
directory if one doesn't already exist. This is clearly wrong
behavior for a "find" function.
The exact code path is
notmuch_database_find_message_by_filename
_notmuch_database_filename_to_direntry
_notmuch_database_find_directory_id
_notmuch_directory_create
_notmuch_message_add_filename currently depends on
_notmuch_database_filename_to_direntry to create the directory
document if it doesn't exist. Possibly
_notmuch_database_filename_to_direntry,
_notmuch_database_find_directory_id, and _notmuch_directory_create
should acquire a flags argument with a "create" flag that controls
this behavior.
next prev parent reply other threads:[~2011-09-29 14:59 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-18 7:58 [PATCH 00/10] Fix 'notmuch new' atomicity issues Austin Clements
2011-02-18 7:58 ` [PATCH 01/10] test: Test atomicity of notmuch new Austin Clements
2011-05-04 20:32 ` [PATCH 01/10 v2] " Austin Clements
2011-02-18 7:58 ` [PATCH 02/10] new: Don't loose messages on SIGINT Austin Clements
2011-02-18 7:58 ` [PATCH 03/10] new: Defer updating directory mtimes until the end Austin Clements
2011-02-18 7:58 ` [PATCH 04/10] lib: Make _notmuch_message_sync capable of deleting a message Austin Clements
2011-02-18 7:58 ` [PATCH 05/10] lib: Indicate if there are more filenames after removal Austin Clements
2011-02-18 7:58 ` [PATCH 06/10] lib: Add API's to find by filename and remove a filename from a message Austin Clements
2011-02-18 7:58 ` [PATCH 07/10] new: Use the new filename removal API Austin Clements
2011-02-18 7:58 ` [PATCH 08/10] new: Synchronize maildir flags eagerly Austin Clements
2011-02-18 7:58 ` [PATCH 09/10] lib: Add notmuch_database_{begin,end}_atomic Austin Clements
2011-02-18 7:59 ` [PATCH 10/10] new: Wrap adding a message in an atomic section Austin Clements
2011-04-26 4:13 ` [PATCH 00/10] Fix 'notmuch new' atomicity issues Austin Clements
2011-05-04 20:30 ` Austin Clements
2011-05-29 2:51 ` Austin Clements
2011-06-08 22:05 ` Carl Worth
2011-06-10 21:11 ` Austin Clements
2011-06-10 22:02 ` Carl Worth
2011-06-10 22:27 ` Austin Clements
2011-06-11 20:04 ` [PATCH v6 00/17] " Austin Clements
2011-06-11 20:04 ` [PATCH 02/17] test: Report test failures from test_expect_* Austin Clements
2011-06-11 20:04 ` [PATCH 03/17] lib: Add missing status check in _notmuch_message_remove_filename Austin Clements
2011-06-11 20:04 ` [PATCH 04/17] test: Test atomicity of notmuch new Austin Clements
2011-06-11 20:04 ` [PATCH 05/17] new: Don't lose messages on SIGINT Austin Clements
2011-06-11 20:04 ` [PATCH 06/17] new: Defer updating directory mtimes until the end Austin Clements
2011-06-11 20:04 ` [PATCH 07/17] lib: Add notmuch_database_{begin,end}_atomic Austin Clements
2011-06-11 20:04 ` [PATCH 08/17] lib: Add support for nested atomic sections Austin Clements
2011-06-11 20:04 ` [PATCH 09/17] lib: Indicate if there are more filenames after removal Austin Clements
2011-06-11 20:04 ` [PATCH 10/17] lib: Remove message document directly after removing the last file name Austin Clements
2011-06-11 20:04 ` [PATCH 11/17] lib: Add an API to find a message by filename Austin Clements
2011-06-11 20:04 ` [PATCH 12/17] lib: Wrap notmuch_database_add_message in an atomic section Austin Clements
2011-06-11 20:04 ` [PATCH 13/17] new: Cleanup. Put removed/renamed message count in add_files_state_t Austin Clements
2011-06-11 20:04 ` [PATCH 14/17] new: Cleanup. De-duplicate file name removal code Austin Clements
2011-06-11 20:04 ` [PATCH 15/17] new: Synchronize maildir flags eagerly Austin Clements
2011-06-11 20:04 ` [PATCH 16/17] new: Wrap adding and removing messages in atomic sections Austin Clements
2011-06-11 20:04 ` [PATCH 17/17] lib: Improve notmuch_database_{add, remove}_message documentation Austin Clements
2011-06-11 20:49 ` [PATCH 01/17] test: Fix message when skipping test_expect_equal* tests Austin Clements
2011-06-11 20:53 ` [PATCH v6 00/17] Fix 'notmuch new' atomicity issues Austin Clements
2011-06-22 19:39 ` Austin Clements
2011-06-29 6:37 ` Austin Clements
2011-07-08 18:09 ` Austin Clements
2011-09-13 12:39 ` David Bremner
2011-09-24 3:14 ` David Bremner
2011-09-24 4:03 ` Austin Clements
2011-09-25 2:36 ` David Bremner
2011-09-26 22:07 ` Austin Clements
2011-09-26 23:32 ` NEWS for 0.9 David Bremner
2011-09-27 13:08 ` Ali Polatel
2011-09-28 16:36 ` [PATCH v6 00/17] Fix 'notmuch new' atomicity issues Sebastian Spaeth
2011-09-29 15:01 ` Austin Clements [this message]
2011-09-30 9:21 ` Sebastian Spaeth
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