Date: Sat, 11 Nov 2000 18:25:13 -0500 (EST) From: Bosko Milekic <bmilekic@dsuper.net> To: Bosko Milekic <bmilekic@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/en midway.c src/sys/kern uipc_mbuf2.c uipc_syscalls.c src/sys/netinet ip_fil.c src/sys/netinet6 ipsec.c src/sys/pci if_sk.c if_ti.c if_wb.c src/sys/sys mbuf.h Message-ID: <Pine.BSF.4.21.0011111824380.6371-100000@jehovah.technokratis.com> In-Reply-To: <200011112312.PAA35598@freefall.freebsd.org>
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FYI: I'm working on a diff to mbuf.9 On Sat, 11 Nov 2000, Bosko Milekic wrote: [...] > Modified files: > sys/sys mbuf.h > Log: > Add new M_RDONLY flag, which can be set during setup (MEXTADD, for example), > and which indicates that the ext_buf is to be marked READ-ONLY. > > Also introduce M_WRITABLE() macro, which will return true if: > * M_RDONLY is _not_ set AND: > * either mbuf has no ext_buf attached OR it has an ext_buf attached but the ref > count is NOT above 1. > > sf_bufs (sendfile) are marked M_RDONLY. > > Now code determining whether an mbuf's data area is "shared" or not can be > made to use this instead of doing its own (often incorrect) thing. > > Submitted by: bmilekic, dwmalone, and Ian Dowse > Reviewed by: dwmalone, jlemon > > Revision Changes Path > 1.63 +33 -15 src/sys/sys/mbuf.h Bosko Milekic bmilekic@technokratis.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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