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Re: svn commit: r1578176 - in /subversion/trunk/subversion/libsvn_fs_fs: fs.c fs.h fs_fs.c fs_fs.h pack.c

From: Stefan Fuhrmann <stefan.fuhrmann_at_wandisco.com>
Date: Mon, 17 Mar 2014 12:23:48 +0100

On Mon, Mar 17, 2014 at 9:47 AM, Bert Huijben <bert_at_qqmail.nl> wrote:

>
>
> > -----Original Message-----
> > From: stefan2_at_apache.org [mailto:stefan2_at_apache.org]
> > Sent: maandag 17 maart 2014 00:10
> > To: commits_at_subversion.apache.org
> > Subject: svn commit: r1578176 - in
> > /subversion/trunk/subversion/libsvn_fs_fs: fs.c fs.h fs_fs.c fs_fs.h
> pack.c
> >
> > Author: stefan2
> > Date: Sun Mar 16 23:09:45 2014
> > New Revision: 1578176
> >
> > URL: http://svn.apache.org/r1578176
> > Log:
> > Model the FSFS pack lock similarly to our other file based locks in FSFS.
> > This gives us proper mutex functionality should multiple threads try to
> > pack the same repo at the same time.
> >
> > * subversion/libsvn_fs_fs/fs.h
> > (fs_fs_shared_data_t): Add a thread mutex alongside the file lock.
> >
> > * subversion/libsvn_fs_fs/fs.c
> > (fs_serialized_init): Initialize the new mutex.
> >
> > * subversion/libsvn_fs_fs/fs_fs.h
> > (svn_fs_fs__get_lock_on_filesystem): Privatize again.
> > (svn_fs_fs__with_pack_lock): New lock handling function similar
> > to what we do for the other locks.
> >
> > * subversion/libsvn_fs_fs/fs_fs.c
> > (path_pack_lock): New utility function.
> > (svn_fs_fs__get_lock_on_filesystem): Rename back to ...
> > (get_lock_on_filesystem): ... this again.
> > (with_some_lock_file): Update caller.
> > (svn_fs_fs__with_pack_lock): Implement the new lock function.
> >
> > * subversion/libsvn_fs_fs/pack.c
> > (svn_fs_fs__pack): Use the new pack lock handling function.
>
>
> It looks like this patch also removed a subpool around the packing in
> pack.c.
>
> Was that an intended behavior change?
>

Yes, it is. The subpool is already provided by
the with_some_lock_file() function in fs_fs.c.

-- Stefan^2.
Received on 2014-03-17 12:24:22 CET

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