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Message-ID: <20171227102600.vruihaqugwxa25sp@node.shutemov.name> Date: Wed, 27 Dec 2017 13:26:00 +0300 From: "Kirill A. Shutemov" <kirill@...temov.name> To: Matthew Wilcox <willy@...radead.org> Cc: linux-kernel@...r.kernel.org, Matthew Wilcox <mawilcox@...rosoft.com>, Ross Zwisler <ross.zwisler@...ux.intel.com>, David Howells <dhowells@...hat.com>, Shaohua Li <shli@...nel.org>, Jens Axboe <axboe@...nel.dk>, Rehas Sachdeva <aquannie@...il.com>, Marc Zyngier <marc.zyngier@....com>, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-xfs@...r.kernel.org, linux-usb@...r.kernel.org, linux-raid@...r.kernel.org Subject: Re: [PATCH v5 06/78] xarray: Change definition of sibling entries On Tue, Dec 26, 2017 at 07:13:26PM -0800, Matthew Wilcox wrote: > On Tue, Dec 26, 2017 at 08:21:53PM +0300, Kirill A. Shutemov wrote: > > > +/** > > > + * xa_is_internal() - Is the entry an internal entry? > > > + * @entry: Entry retrieved from the XArray > > > + * > > > + * Return: %true if the entry is an internal entry. > > > + */ > > > > What does it mean "internal entry"? Is it just a term for non-value and > > non-data pointer entry? Do we allow anybody besides xarray implementation to > > use internal entires? > > > > Do we have it documented? > > We do! include/linux/radix-tree.h has it documented right now: Looks good. Thanks. -- Kirill A. Shutemov
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