linux-kernel - Re: [PATCH 5/9] XArray: entry in last level is not expected to be a node

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Message-ID: <20200401222000.GK21484@bombadil.infradead.org>
Date:   Wed, 1 Apr 2020 15:20:00 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Wei Yang <richard.weiyang@...il.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/9] XArray: entry in last level is not expected to be a
 node

On Wed, Apr 01, 2020 at 10:10:21PM +0000, Wei Yang wrote:
> On Tue, Mar 31, 2020 at 04:59:12PM -0700, Matthew Wilcox wrote:
> >On Tue, Mar 31, 2020 at 10:04:40PM +0000, Wei Yang wrote:
> >> cc -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address -fsanitize=undefined   -c -o main.o main.c
> >> In file included from ./linux/../../../../include/linux/radix-tree.h:15,
> >>                  from ./linux/radix-tree.h:5,
> >>                  from main.c:10:
> >> ./linux/rcupdate.h:5:10: fatal error: urcu.h: No such file or directory
> >>     5 | #include <urcu.h>
> >>       |          ^~~~~~~~
> >> compilation terminated.
> >> make: *** [<builtin>: main.o] Error 1
> >
> >Oh, you need liburcu installed.  On Debian, that's liburcu-dev ... probably
> >liburcu-devel on Red Hat style distros.
> 
> The bad news is I didn't find the package on Fedora.

Really?  https://www.google.com/search?q=fedora+liburcu has the -devel
package as the second hit from https://pkgs.org/search/?q=liburcu