989d921f5d
I'm very pleased to announce the release of our new website and documentation using the new toolchain with Hugo and AsciiDoctor. To get more information about the new toolchain please read the FreeBSD Documentation Project Primer[1], Hugo docs[2] and AsciiDoctor docs[3]. Acknowledgment: Benedict Reuschling <bcr@> Glen Barber <gjb@> Hiroki Sato <hrs@> Li-Wen Hsu <lwhsu@> Sean Chittenden <seanc@> The FreeBSD Foundation [1] https://docs.FreeBSD.org/en/books/fdp-primer/ [2] https://gohugo.io/documentation/ [3] https://docs.asciidoctor.org/home/ Approved by: doceng, core
54 lines
1.8 KiB
Diff
54 lines
1.8 KiB
Diff
Index: sys/ufs/ufs/ufs_readwrite.c
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===================================================================
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RCS file: /home/ncvs/src/sys/ufs/ufs/Attic/ufs_readwrite.c,v
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retrieving revision 1.65.2.14
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retrieving revision 1.65.2.16
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diff -u -r1.65.2.14 -r1.65.2.16
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--- sys/ufs/ufs/ufs_readwrite.c 4 Apr 2003 22:21:29 -0000 1.65.2.14
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+++ sys/ufs/ufs/ufs_readwrite.c 14 May 2004 23:36:20 -0000 1.65.2.16
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@@ -532,6 +532,8 @@
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bp->b_flags |= B_DIRECT;
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if (ioflag & IO_NOWDRAIN)
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bp->b_flags |= B_NOWDRAIN;
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+ if ((ioflag & (IO_SYNC|IO_INVAL)) == (IO_SYNC|IO_INVAL))
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+ bp->b_flags |= B_NOCACHE;
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if (uio->uio_offset + xfersize > ip->i_size) {
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ip->i_size = uio->uio_offset + xfersize;
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Index: sys/vm/vm_map.c
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===================================================================
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RCS file: /home/ncvs/src/sys/vm/vm_map.c,v
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retrieving revision 1.187.2.26
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retrieving revision 1.187.2.30
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diff -u -r1.187.2.26 -r1.187.2.30
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--- sys/vm/vm_map.c 5 May 2004 19:28:23 -0000 1.187.2.26
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+++ sys/vm/vm_map.c 25 May 2004 22:46:38 -0000 1.187.2.30
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@@ -70,6 +70,8 @@
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#include <sys/param.h>
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#include <sys/systm.h>
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+#include <sys/kernel.h>
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+#include <sys/sysctl.h>
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#include <sys/proc.h>
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#include <sys/vmmeter.h>
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#include <sys/mman.h>
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@@ -149,6 +151,10 @@
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static void vm_map_split __P((vm_map_entry_t));
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static void vm_map_unclip_range __P((vm_map_t map, vm_map_entry_t start_entry, vm_offset_t start, vm_offset_t end, int flags));
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+static int old_msync;
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+SYSCTL_INT(_vm, OID_AUTO, old_msync, CTLFLAG_RW, &old_msync, 0,
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+ "Use old (insecure) msync behavior");
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+
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void
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vm_map_startup()
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{
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@@ -2014,7 +2020,7 @@
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vm_object_page_remove(object,
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OFF_TO_IDX(offset),
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OFF_TO_IDX(offset + size + PAGE_MASK),
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- FALSE);
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+ old_msync ? FALSE : TRUE);
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vm_object_deallocate(object);
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}
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start += size;
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