Re: [PATCH 04/14] mm: Add functions to lock invalidate_lock for two mappings

[PATCH 0/14 v8] fs: Hole punch vs page cache filling races · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 02/14] documentation: Sync file_operations members with reality · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 02/14] documentation: Sync file_operations members with reality · Christoph Hellwig <hch@infradead.org> · 2021-06-16
[PATCH 04/14] mm: Add functions to lock invalidate_lock for two mappings · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 04/14] mm: Add functions to lock invalidate_lock for two mappings · Christoph Hellwig <hch@infradead.org> · 2021-06-16
[PATCH 08/14] xfs: Convert to use invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 01/14] mm: Fix comments mentioning i_mutex · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 06/14] ext2: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 06/14] ext2: Convert to using invalidate_lock · Christoph Hellwig <hch@infradead.org> · 2021-06-16
[PATCH 03/14] mm: Protect operations adding pages to page cache with invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 03/14] mm: Protect operations adding pages to page cache with invalidate_lock · Christoph Hellwig <hch@infradead.org> · 2021-06-16
Re: [PATCH 03/14] mm: Protect operations adding pages to page cache with invalidate_lock · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-17
[PATCH 13/14] ceph: Fix race between hole punch and page fault · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 14/14] cifs: Fix race between hole punch and page fault · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 12/14] fuse: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 05/14] ext4: Convert to use mapping->invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 05/14] ext4: Convert to use mapping->invalidate_lock · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-17
Re: [PATCH 05/14] ext4: Convert to use mapping->invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-22
Re: [PATCH 05/14] ext4: Convert to use mapping->invalidate_lock · "Theodore Ts'o" <tytso@mit.edu> · 2021-06-22
[PATCH 07/14] xfs: Refactor xfs_isilocked() · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Christoph Hellwig <hch@infradead.org> · 2021-06-16
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Jan Kara <jack@suse.cz> · 2021-06-16
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-16
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Jan Kara <jack@suse.cz> · 2021-06-16
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-17
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-17
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Christoph Hellwig <hch@infradead.org> · 2021-06-17
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Jan Kara <jack@suse.cz> · 2021-06-17
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · Christoph Hellwig <hch@infradead.org> · 2021-06-17
Re: [PATCH 07/14] xfs: Refactor xfs_isilocked() · "Darrick J. Wong" <djwong@kernel.org> · 2021-06-17
[PATCH 10/14] zonefs: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 10/14] zonefs: Convert to using invalidate_lock · Christoph Hellwig <hch@infradead.org> · 2021-06-16
[PATCH 11/14] f2fs: Convert to using invalidate_lock · Jan Kara <jack@suse.cz> · 2021-06-15
[PATCH 09/14] xfs: Convert double locking of MMAPLOCK to use VFS helpers · Jan Kara <jack@suse.cz> · 2021-06-15
Re: [PATCH 09/14] xfs: Convert double locking of MMAPLOCK to use VFS helpers · Christoph Hellwig <hch@infradead.org> · 2021-06-16

From: Christoph Hellwig <hch@infradead.org>
Date: 2021-06-16 05:35:09
Also in: ceph-devel, linux-cifs, linux-f2fs-devel, linux-fsdevel, linux-mm, linux-xfs

On Tue, Jun 15, 2021 at 11:17:54AM +0200, Jan Kara wrote:

Some operations such as reflinking blocks among files will need to lock
invalidate_lock for two mappings. Add helper functions to do that.

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>

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