From: Jonathan Nieder <jrnieder@gmail.com>
To: "René Scharfe" <rene.scharfe@lsrfire.ath.cx>
Cc: git@vger.kernel.org, Ramkumar Ramachandra <artagnon@gmail.com>,
David Barr <david.barr@cordelta.com>
Subject: Re: [PATCH 8/8] Remove pack file handling dependency from wrapper.o
Date: Sun, 7 Nov 2010 12:23:41 -0600 [thread overview]
Message-ID: <20101107182341.GA31470@burratino> (raw)
In-Reply-To: <4CD6CF59.5040801@lsrfire.ath.cx>
René Scharfe wrote:
> Am 06.11.2010 19:42, schrieb Jonathan Nieder:
>> Maybe add_packed_git()?
>>
>> use_pack() is called by:
[...]
>> some of which would make me worry about thread-safety.
>
> Possibly, but if that's the case then we have a thread-safety issue
> already: use_pack() updates pack_mapped, which is used by
> release_pack_memory() to see how much can be freed.
Good point. The threaded callers are probably protected by read_lock.
My other worry would be that try_to_free_pack_memory should not
override try_to_free_from_threads. I guess some time documenting
these code paths will be needed. :(
Thanks for a sanity check,
Jonathan
next prev parent reply other threads:[~2010-11-07 18:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-06 11:39 [PATCH/RFC 0/8] Remove various dependencies from wrapper.o Jonathan Nieder
2010-11-06 11:44 ` [PATCH 1/8] wrapper: move xmmap() to sha1_file.c Jonathan Nieder
2010-11-06 11:45 ` [PATCH 2/8] wrapper: move odb_* to environment.c Jonathan Nieder
2010-11-06 11:46 ` [PATCH 3/8] path helpers: move git_mkstemp* to wrapper.c Jonathan Nieder
2010-11-06 11:46 ` [PATCH 4/8] strbuf: move strbuf_branchname to sha1_name.c Jonathan Nieder
2010-11-06 11:47 ` [PATCH 5/8] wrapper: give zlib wrappers their own translation unit Jonathan Nieder
2010-11-06 11:47 ` [PATCH 6/8] pack-objects: mark file-local variable static Jonathan Nieder
2010-11-06 11:48 ` [PATCH 7/8] wrapper: expose try_to_free_pack_memory() Jonathan Nieder
2010-11-06 11:52 ` [PATCH 8/8] Remove pack file handling dependency from wrapper.o Jonathan Nieder
2010-11-06 18:07 ` René Scharfe
2010-11-06 18:42 ` Jonathan Nieder
2010-11-07 16:10 ` René Scharfe
2010-11-07 18:23 ` Jonathan Nieder [this message]
2010-11-06 19:00 ` Jonathan Nieder
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