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authorphk <phk@FreeBSD.org>1999-10-04 11:23:10 +0000
committerphk <phk@FreeBSD.org>1999-10-04 11:23:10 +0000
commit8b06d6a2fb370e84bcaea363717c70eaa36c7408 (patch)
treee4bc785f7af7f745b073ce17e028b224e9c0f43a /sys/kern/vfs_subr.c
parent32722204f79ff5877e53e1620b0f2a915dba2c2f (diff)
downloadFreeBSD-src-8b06d6a2fb370e84bcaea363717c70eaa36c7408.zip
FreeBSD-src-8b06d6a2fb370e84bcaea363717c70eaa36c7408.tar.gz
Move the buffered read/write code out of spec_{read|write} and into
two new functions spec_buf{read|write}. Add sysctl vfs.bdev_buffered which defaults to 1 == true. This sysctl can be used to experimentally turn buffered behaviour for bdevs off. I should not be changed while any blockdevices are open. Remove the misplaced sysctl vfs.enable_userblk_io. No other changes in behaviour.
Diffstat (limited to 'sys/kern/vfs_subr.c')
-rw-r--r--sys/kern/vfs_subr.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 4e5f695..5e2e483 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -113,9 +113,6 @@ SYSCTL_INT(_vfs, OID_AUTO, reassignbufsortbad, CTLFLAG_RW, &reassignbufsortbad,
static int reassignbufmethod = 1;
SYSCTL_INT(_vfs, OID_AUTO, reassignbufmethod, CTLFLAG_RW, &reassignbufmethod, 0, "");
-int enable_userblk_io = 1;
-SYSCTL_INT(_vfs, OID_AUTO, enable_userblk_io, CTLFLAG_RW, &enable_userblk_io, 0, "");
-
#ifdef ENABLE_VFS_IOOPT
int vfs_ioopt = 0;
SYSCTL_INT(_vfs, OID_AUTO, ioopt, CTLFLAG_RW, &vfs_ioopt, 0, "");
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