Date: Wed, 12 Nov 2014 10:20:12 -0500 From: John Baldwin <jhb@freebsd.org> To: Gleb Smirnoff <glebius@freebsd.org> Cc: svn-src-projects@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r274395 - projects/sendfile/sys/sys Message-ID: <201411121020.12567.jhb@freebsd.org> In-Reply-To: <201411111939.sABJdbsq068199@svn.freebsd.org> References: <201411111939.sABJdbsq068199@svn.freebsd.org>
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On Tuesday, November 11, 2014 2:39:37 pm Gleb Smirnoff wrote: > Author: glebius > Date: Tue Nov 11 19:39:36 2014 > New Revision: 274395 > URL: https://svnweb.freebsd.org/changeset/base/274395 > > Log: > Undefine SF_NODISKIO and SF_MNOWAIT. > > Modified: > projects/sendfile/sys/sys/socket.h > > Modified: projects/sendfile/sys/sys/socket.h > ============================================================================== > --- projects/sendfile/sys/sys/socket.h Tue Nov 11 19:37:17 2014 (r274394) > +++ projects/sendfile/sys/sys/socket.h Tue Nov 11 19:39:36 2014 (r274395) > @@ -600,9 +600,13 @@ struct sf_hdtr_all { > > /* > * Sendfile-specific flag(s) > + * > + * SF_NODISKIO and SF_MNOWAIT are unused since 11.0, but we keep > + * them in header to keep applications compilable. We will try to > + * avoid to reuse their bits as long as possible. > */ > -#define SF_NODISKIO 0x00000001 > -#define SF_MNOWAIT 0x00000002 /* unused since 11.0 */ > +#define SF_NODISKIO 0x00000000 /* was 0x00000001 */ > +#define SF_MNOWAIT 0x00000000 /* was 0x00000002 */ > #define SF_SYNC 0x00000004 > #define SF_KQUEUE 0x00000008 > #define SF_NOCACHE 0x00000010 What we've done for mmap() flags is something like: #define SF_UNUSED0001 0x0000001 /* was SF_NODISKIO */ -- John Baldwin
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