On Thu, Feb 24, 2011 at 5:14 PM, Mitch Harder
mitch.har...@sabayonlinux.org wrote:
On Thu, Feb 24, 2011 at 10:32 AM, Mitch Harder
mitch.har...@sabayonlinux.org wrote:
On Thu, Feb 24, 2011 at 10:19 AM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Mitch Harder's message of 2011-02-24
Excerpts from Mitch Harder's message of 2011-02-25 13:43:37 -0500:
The loop is more-or-less following this process (from within the
while (iov_iter_count(i) 0) {} loop):
(1) Reserve some space with btrfs_delalloc_reserve_space()
(2) Prepare the reserved space with prepare_pages()
(3)
2011/2/24 Maria Wikström ma...@ponstudios.se:
mån 2011-02-21 klockan 09:51 +0800 skrev Zhong, Xin:
The backtrace in your attachment looks like a known bug of 2.6.37 which have
already been fixed in 2.6.38. I have no idea why latest btrfs still hang in
your environment if there's no debug
Excerpts from Johannes Hirte's message of 2011-02-23 18:02:44 -0500:
On Wednesday 23 February 2011 22:56:27 Chris Mason wrote:
Excerpts from Zhong, Xin's message of 2011-02-23 02:27:05 -0500:
In the dmesg of rc4, I can see svn hang in shrink_dellalloc and there's
two flush-btrfs threads
On Thu, Feb 24, 2011 at 10:00 AM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Mitch Harder's message of 2011-02-24 10:55:15 -0500:
2011/2/24 Maria Wikström ma...@ponstudios.se:
mån 2011-02-21 klockan 09:51 +0800 skrev Zhong, Xin:
The backtrace in your attachment looks like a
Excerpts from Mitch Harder's message of 2011-02-24 11:03:07 -0500:
On Thu, Feb 24, 2011 at 10:00 AM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Mitch Harder's message of 2011-02-24 10:55:15 -0500:
2011/2/24 Maria Wikström ma...@ponstudios.se:
mån 2011-02-21 klockan 09:51 +0800
On Thu, Feb 24, 2011 at 10:19 AM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Mitch Harder's message of 2011-02-24 11:03:07 -0500:
On Thu, Feb 24, 2011 at 10:00 AM, Chris Mason chris.ma...@oracle.com wrote:
Excerpts from Mitch Harder's message of 2011-02-24 10:55:15 -0500:
To: Zhong, Xin
Cc: Johannes Hirte; linux-btrfs@vger.kernel.org
Subject: RE: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped
buffer of the same page
Seems like my reply got eaten by the lists spam filter, so I resend with
attachment compressed. Should have thought of that :p
, February 18, 2011 7:32 PM
To: Zhong, Xin
Cc: Johannes Hirte; linux-btrfs@vger.kernel.org
Subject: RE: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped
buffer of the same page
Seems like my reply got eaten by the lists spam filter, so I resend with
attachment compressed. Should have
blocked when writing from the mmaped
buffer of the same page
On Friday 28 January 2011 04:53:24 Zhong, Xin wrote:
Could you describe the steps to recreate it?
It will be a great help for me to look further. Thanks!
It's a little strange. I have to systems with btrfs, both Gentoo-based. One
On Friday, January 28, 2011 04:47:21 pm Maria Wikström wrote:
fre 2011-01-28 klockan 03:54 +0100 skrev Johannes Hirte:
On Friday 28 January 2011 02:26:43 Zhong, Xin wrote:
Please try the fix in below link:
http://www.spinics.net/lists/linux-btrfs/msg08051.html
Thanks!
This
...@fem.tu-ilmenau.de; Zhong, Xin
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped
buffer of the same page
tor 2011-01-27 klockan 14:09 +0100 skrev Johannes Hirte:
On Thursday 09 December 2010 10:30:14 Zhong, Xin wrote:
This problem is found
On Friday 28 January 2011 02:26:43 Zhong, Xin wrote:
Please try the fix in below link:
http://www.spinics.net/lists/linux-btrfs/msg08051.html
Thanks!
This doesn't fix it for me. At least there is a difference. Whereas the svn
process started consuming 100% CPU without any further
Subject: Re: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped
buffer of the same page
On Friday 28 January 2011 02:26:43 Zhong, Xin wrote:
Please try the fix in below link:
http://www.spinics.net/lists/linux-btrfs/msg08051.html
Thanks!
This doesn't fix it for me. At least
This problem is found in meego testing:
http://bugs.meego.com/show_bug.cgi?id=6672
A file in btrfs is mmaped and the mmaped buffer is passed to pwrite to write to
the same page
of the same file. In btrfs_file_aio_write(), the pages is locked by
prepare_pages(). So when
btrfs_copy_from_user() is
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