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Message-ID: <alpine.LFD.2.00.1303131830570.18319@dhcp-1-104.brq.redhat.com> Date: Wed, 13 Mar 2013 18:31:25 +0100 (CET) From: Lukáš Czerner <lczerner@...hat.com> To: "Theodore Ts'o" <tytso@....edu> cc: Lukáš Czerner <lczerner@...hat.com>, linux-ext4@...r.kernel.org Subject: Re: Metadata reservation for unwritten extent conversion On Wed, 13 Mar 2013, Theodore Ts'o wrote: > Date: Wed, 13 Mar 2013 13:25:21 -0400 > From: Theodore Ts'o <tytso@....edu> > To: Lukáš Czerner <lczerner@...hat.com> > Cc: linux-ext4@...r.kernel.org > Subject: Re: Metadata reservation for unwritten extent conversion > > On Wed, Mar 13, 2013 at 05:09:51PM +0100, Lukáš Czerner wrote: > > > > Well, we can not actually revert that patch because it introduces > > da_reserve_metadata() which is used elsewhere in the commit: > > > > ext4: reserve metadata block for every delayed write > > > > I can resend the patch which uses da_reserve_metadata() so you can use > > it instead the old version > > That sounds like the best thing to do. I assume you will be simply > taking the da_reserve_metadata() function introduced in the > to-be-dropped commit: > > > ext4: Reserve metadata if writing into uninitialized > > ... and moving it into the "reserve metadata block for every delayed > write" patch? Exactly. -Lukas > > - Ted
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