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authoralc <alc@FreeBSD.org>2003-04-24 04:31:25 +0000
committeralc <alc@FreeBSD.org>2003-04-24 04:31:25 +0000
commit87da2c3cf37429dd7554a13d8b70a046ccc3edcf (patch)
tree524c091529a13b4f30095fe4af93a54b4cd973f6 /sys/kern/vfs_syscalls.c
parent51f01cb3f731c451c22c07d8bb6a6e9ecffb72d1 (diff)
downloadFreeBSD-src-87da2c3cf37429dd7554a13d8b70a046ccc3edcf.zip
FreeBSD-src-87da2c3cf37429dd7554a13d8b70a046ccc3edcf.tar.gz
- Acquire the vm_object's lock when performing vm_object_page_clean().
- Add a parameter to vm_pageout_flush() that tells vm_pageout_flush() whether its caller has locked the vm_object. (This is a temporary measure to bootstrap vm_object locking.)
Diffstat (limited to 'sys/kern/vfs_syscalls.c')
-rw-r--r--sys/kern/vfs_syscalls.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 45ba5a1..21b2046 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -2739,7 +2739,9 @@ fsync(td, uap)
}
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
if (VOP_GETVOBJECT(vp, &obj) == 0) {
+ VM_OBJECT_LOCK(obj);
vm_object_page_clean(obj, 0, 0, 0);
+ VM_OBJECT_UNLOCK(obj);
}
error = VOP_FSYNC(vp, fp->f_cred, MNT_WAIT, td);
if (error == 0 && vp->v_mount && (vp->v_mount->mnt_flag & MNT_SOFTDEP)
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