Re: [PATCH 10/13] f2fs: Convert to using invalidate_lock

[PATCH 0/13 v6] fs: Hole punch vs page cache filling races · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 02/13] documentation: Sync file_operations members with reality · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 02/13] documentation: Sync file_operations members with reality · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-25
[PATCH 01/13] mm: Fix comments mentioning i_mutex · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-25
Re: [PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · Jan Kara <jack@suse.cz> · 2021-05-26
Re: [PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · Damien Le Moal <hidden> · 2021-05-26
Re: [PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · Jan Kara <jack@suse.cz> · 2021-05-26
Re: [PATCH 04/13] mm: Add functions to lock invalidate_lock for two mappings · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-26
[PATCH 03/13] mm: Protect operations adding pages to page cache with invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 03/13] mm: Protect operations adding pages to page cache with invalidate_lock · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-25
Re: [PATCH 03/13] mm: Protect operations adding pages to page cache with invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-26
[PATCH 09/13] zonefs: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 07/13] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-25
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-26
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-26
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-27
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · Dave Chinner <david@fromorbit.com> · 2021-05-25
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-26
Re: [PATCH 07/13] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-26
[PATCH 10/13] f2fs: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 10/13] f2fs: Convert to using invalidate_lock · Chao Yu <hidden> · 2021-05-26
[PATCH 08/13] xfs: Convert double locking of MMAPLOCK to use VFS helpers · Jan Kara <jack@suse.cz> · 2021-05-25
Re: [PATCH 08/13] xfs: Convert double locking of MMAPLOCK to use VFS helpers · "Darrick J. Wong" <djwong@kernel.org> · 2021-05-25
[PATCH 13/13] cifs: Fix race between hole punch and page fault · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 11/13] fuse: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 06/13] ext2: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 12/13] ceph: Fix race between hole punch and page fault · Jan Kara <jack@suse.cz> · 2021-05-25
[PATCH 05/13] ext4: Convert to use mapping->invalidate_lock · Jan Kara <jack@suse.cz> · 2021-05-25

From: Chao Yu <hidden>
Date: 2021-05-26 09:55:17
Also in: ceph-devel, linux-cifs, linux-f2fs-devel, linux-fsdevel, linux-mm, linux-xfs

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@kernel.org>
CC: Chao Yu <redacted>
CC: linux-f2fs-devel@lists.sourceforge.net
Signed-off-by: Jan Kara <jack@suse.cz>

Acked-by: Chao Yu <redacted>

Thanks,

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