x-fsde...@vger.kernel.org;
> > linux-f2fs-de...@lists.sourceforge.net
> > Subject: Re: [f2fs-dev] [PATCH 6/6] f2fs: avoid double lock for cp_rwsem
> >
> > Hi,
> >
> > On Tue, Dec 23, 2014 at 03:01:36PM +0800, Chao Yu wrote:
> > > Hi Jaegeuk,
> > &g
December 22, 2014 12:35 AM
> > > To: linux-kernel@vger.kernel.org; linux-fsde...@vger.kernel.org;
> > > linux-f2fs-de...@lists.sourceforge.net
> > > Cc: Jaegeuk Kim
> > > Subject: [f2fs-dev] [PATCH 6/6] f2fs: avoid double lock for cp_rwsem
> > >
> &g
.kernel.org;
> > linux-f2fs-de...@lists.sourceforge.net
> > Cc: Jaegeuk Kim
> > Subject: [f2fs-dev] [PATCH 6/6] f2fs: avoid double lock for cp_rwsem
> >
> > The __f2fs_add_link is covered by cp_rwsem all the time.
> > This calls init_inode_metadata, which conducts s
dev] [PATCH 6/6] f2fs: avoid double lock for cp_rwsem
>
> The __f2fs_add_link is covered by cp_rwsem all the time.
> This calls init_inode_metadata, which conducts some acl operations including
> memory allocation with GFP_KERNEL previously.
> But, under memory pressure, f2fs_write
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