From: Jan Kara <jack@suse.cz>
To: John Hubbard <jhubbard@nvidia.com>
Cc: Jan Kara <jack@suse.cz>, Matthew Wilcox <willy@infradead.org>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 8/8] xarray: Don't clear marks in xas_store()
Date: Thu, 6 Feb 2020 09:04:38 +0100 [thread overview]
Message-ID: <20200206080438.GC14001@quack2.suse.cz> (raw)
In-Reply-To: <8ea2682b-7240-dca3-b123-2df7d0c994ba@nvidia.com>
On Wed 05-02-20 14:19:34, John Hubbard wrote:
> On 2/4/20 6:25 AM, Jan Kara wrote:
> > When storing NULL in xarray, xas_store() has been clearing all marks
> > because it could otherwise confuse xas_for_each_marked(). That is
> > however no longer true and no current user relies on this behavior.
>
>
> However, let's not forget that the API was also documented to behave
> in this way--it's not an accidental detail. Below...
Yeah, we'll need to sort out details how we want the API to be used but
thanks for reminding me I should update the documentation :). It was on my
radar but then I forgot...
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2020-02-06 8:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-04 14:25 [PATCH 0/8] mm: Speedup page cache truncation Jan Kara
2020-02-04 14:25 ` [PATCH 1/8] xarray: Fix premature termination of xas_for_each_marked() Jan Kara
2020-03-12 21:45 ` Matthew Wilcox
2020-03-16 9:16 ` Jan Kara
2020-02-04 14:25 ` [PATCH 2/8] xarray: Provide xas_erase() helper Jan Kara
2020-03-14 19:54 ` Matthew Wilcox
2020-03-16 9:21 ` Jan Kara
2020-03-17 15:28 ` Matthew Wilcox
2020-04-15 16:12 ` Jan Kara
2020-02-04 14:25 ` [PATCH 3/8] xarray: Explicitely set XA_FREE_MARK in __xa_cmpxchg() Jan Kara
2020-02-05 18:45 ` Jason Gunthorpe
2020-02-06 8:03 ` Jan Kara
2020-03-17 15:12 ` Matthew Wilcox
2020-02-04 14:25 ` [PATCH 4/8] mm: Use xas_erase() in page_cache_delete_batch() Jan Kara
2020-02-04 14:25 ` [PATCH 5/8] dax: Use xas_erase() in __dax_invalidate_entry() Jan Kara
2020-02-04 14:25 ` [PATCH 6/8] idr: Use xas_erase() in ida_destroy() Jan Kara
2020-02-04 14:25 ` [PATCH 7/8] mm: Use xas_erase() in collapse_file() Jan Kara
2020-02-04 14:25 ` [PATCH 8/8] xarray: Don't clear marks in xas_store() Jan Kara
2020-02-05 18:43 ` Jason Gunthorpe
2020-02-05 21:59 ` Matthew Wilcox
2020-02-06 13:49 ` Jason Gunthorpe
2020-02-06 14:36 ` Jan Kara
2020-02-06 14:49 ` Jason Gunthorpe
2020-02-05 22:19 ` John Hubbard
2020-02-06 2:21 ` Matthew Wilcox
2020-02-06 3:48 ` John Hubbard
2020-02-06 4:28 ` Matthew Wilcox
2020-02-06 4:37 ` John Hubbard
2020-02-06 8:36 ` Jan Kara
2020-02-06 8:04 ` Jan Kara [this message]
2020-02-06 14:40 ` [PATCH 0/8] mm: Speedup page cache truncation David Sterba
2020-02-18 9:25 ` Jan Kara
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