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Date: Wed, 26 May 2021 17:55:05 +0800 From: Chao Yu <yuchao0@...wei.com> To: Jan Kara <jack@...e.cz>, <linux-fsdevel@...r.kernel.org> CC: Christoph Hellwig <hch@...radead.org>, Dave Chinner <david@...morbit.com>, <ceph-devel@...r.kernel.org>, Damien Le Moal <damien.lemoal@....com>, "Darrick J. Wong" <darrick.wong@...cle.com>, Jaegeuk Kim <jaegeuk@...nel.org>, Jeff Layton <jlayton@...nel.org>, Johannes Thumshirn <jth@...nel.org>, <linux-cifs@...r.kernel.org>, <linux-ext4@...r.kernel.org>, <linux-f2fs-devel@...ts.sourceforge.net>, <linux-mm@...ck.org>, <linux-xfs@...r.kernel.org>, Miklos Szeredi <miklos@...redi.hu>, Steve French <sfrench@...ba.org>, Ted Tso <tytso@....edu>, Matthew Wilcox <willy@...radead.org> Subject: Re: [PATCH 10/13] f2fs: Convert to using invalidate_lock On 2021/5/25 21:50, Jan Kara wrote: > Use invalidate_lock instead of f2fs' private i_mmap_sem. The intended > purpose is exactly the same. By this conversion we fix a long standing > race between hole punching and read(2) / readahead(2) paths that can > lead to stale page cache contents. > > CC: Jaegeuk Kim <jaegeuk@...nel.org> > CC: Chao Yu <yuchao0@...wei.com> > CC: linux-f2fs-devel@...ts.sourceforge.net > Signed-off-by: Jan Kara <jack@...e.cz> Acked-by: Chao Yu <yuchao0@...wei.com> Thanks,
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