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| author | Jeff Roberson <jeff@FreeBSD.org> | 2002-09-25 01:23:43 +0000 |
|---|---|---|
| committer | Jeff Roberson <jeff@FreeBSD.org> | 2002-09-25 01:23:43 +0000 |
| commit | 63e7e60dba5098560bb3220c7cb47d9401d57e1e (patch) | |
| tree | 91edd21b81132664a507c88a1d6dde214dd343cd /sys/vm/vnode_pager.c | |
| parent | 7576c7c9c2a69267cb4c1c810a2483e6fd55b847 (diff) | |
| download | src-63e7e60dba5098560bb3220c7cb47d9401d57e1e.tar.gz src-63e7e60dba5098560bb3220c7cb47d9401d57e1e.zip | |
- Add a ASSERT_VOP_LOCKED in vnode_pager_alloc.
- Lock access to v_iflags.
Notes
Notes:
svn path=/head/; revision=103923
Diffstat (limited to 'sys/vm/vnode_pager.c')
| -rw-r--r-- | sys/vm/vnode_pager.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c index f09f147efee9..d47cb7c62064 100644 --- a/sys/vm/vnode_pager.c +++ b/sys/vm/vnode_pager.c @@ -120,6 +120,8 @@ vnode_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot, vp = (struct vnode *) handle; + ASSERT_VOP_LOCKED(vp, "vnode_pager_alloc"); + mtx_lock(&Giant); /* * Prevent race condition when allocating the object. This @@ -212,9 +214,12 @@ vnode_pager_haspage(object, pindex, before, after) if (vp == NULL) return FALSE; - mp_fixme("Unlocked iflags access"); - if (vp->v_iflag & VI_DOOMED) + VI_LOCK(vp); + if (vp->v_iflag & VI_DOOMED) { + VI_UNLOCK(vp); return FALSE; + } + VI_UNLOCK(vp); /* * If filesystem no longer mounted or offset beyond end of file we do * not have the page. |