Author: attilio
Date: Sat May 30 23:52:23 2009
New Revision: 193138
URL: http://svn.freebsd.org/changeset/base/193138
Log:
Remove the now invalid (and possibly unused) debug.mpsafevfs
sysctl/tunable.
Reviewed by: emaste
Sponsored by: Sandvine Incorporated
Modified:
head/UPDATING
head/sys/kern/vfs_subr.c
head/sys/sys/mount.h
Modified: head/UPDATING
==============================================================================
--- head/UPDATING Sat May 30 23:51:02 2009 (r193137)
+++ head/UPDATING Sat May 30 23:52:23 2009 (r193138)
@@ -23,6 +23,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 8.
ln -s aj /etc/malloc.conf.)
20090530:
+ Remove the tunable/sysctl debug.mpsafevfs as its initial purpose
+ is no more valid.
+
+20090530:
Add VOP_ACCESSX(9). File system modules need to be rebuilt.
Bump __FreeBSD_version to 800094.
Modified: head/sys/kern/vfs_subr.c
==============================================================================
--- head/sys/kern/vfs_subr.c Sat May 30 23:51:02 2009 (r193137)
+++ head/sys/kern/vfs_subr.c Sat May 30 23:52:23 2009 (r193138)
@@ -115,15 +115,6 @@ static int vfs_knllocked(void *arg);
static void destroy_vpollinfo(struct vpollinfo *vi);
/*
- * Enable Giant pushdown based on whether or not the vm is mpsafe in this
- * build. Without mpsafevm the buffer cache can not run Giant free.
- */
-int mpsafe_vfs = 1;
-TUNABLE_INT("debug.mpsafevfs", &mpsafe_vfs);
-SYSCTL_INT(_debug, OID_AUTO, mpsafevfs, CTLFLAG_RD, &mpsafe_vfs, 0,
- "MPSAFE VFS");
-
-/*
* Number of vnodes in existence. Increased whenever getnewvnode()
* allocates a new vnode, decreased on vdestroy() called on VI_DOOMed
* vnode.
Modified: head/sys/sys/mount.h
==============================================================================
--- head/sys/sys/mount.h Sat May 30 23:51:02 2009 (r193137)
+++ head/sys/sys/mount.h Sat May 30 23:52:23 2009 (r193138)
@@ -619,10 +619,8 @@ vfs_statfs_t __vfs_statfs;
({if (*(MP)->mnt_op->vfs_susp_clean != NULL) \
(*(MP)->mnt_op->vfs_susp_clean)(MP); })
-extern int mpsafe_vfs;
-
#define VFS_NEEDSGIANT_(MP)
\
- (!mpsafe_vfs || ((MP) != NULL && ((MP)->mnt_kern_flag & MNTK_MPSAFE) == 0))
+ ((MP) != NULL && ((MP)->mnt_kern_flag & MNTK_MPSAFE) == 0)
#define VFS_NEEDSGIANT(MP) __extension__
\
({ \
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