c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2024-12-26 03:09:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

FreeBSD: vn_flush_cached_data: observe vnode locking contract

Browse Source 
vm_object_page_clean() expects that the associated vnode is locked
as VOP_PUTPAGES() may get called on the vnode.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Andriy Gapon <avg@FreeBSD.org>
Closes #14079
This commit is contained in:
Andriy Gapon 2022-10-27 01:00:58 +03:00 committed by GitHub
parent eeddd80572
commit 41133c9794
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/os/freebsd/spl/sys/vnode.h
View File

@ -96,9 +96,11 @@ vn_flush_cached_data(vnode_t *vp, boolean_t sync)
if (vp->v_object->flags & OBJ_MIGHTBEDIRTY) { if (vp->v_object->flags & OBJ_MIGHTBEDIRTY) {
#endif #endif
int flags = sync ? OBJPC_SYNC : 0; int flags = sync ? OBJPC_SYNC : 0;
vn_lock(vp, LK_SHARED | LK_RETRY);
zfs_vmobject_wlock(vp->v_object); zfs_vmobject_wlock(vp->v_object);
vm_object_page_clean(vp->v_object, 0, 0, flags); vm_object_page_clean(vp->v_object, 0, 0, flags);
zfs_vmobject_wunlock(vp->v_object); zfs_vmobject_wunlock(vp->v_object);
VOP_UNLOCK(vp);
} }
} }
#endif #endif