FS_VNODE_CAPABILITY_FSYNC
CLEAR_UNSUPPORTED(FS_VNODE_CAPABILITY_FSYNC, fsync);
if (!HasVNodeCapability(vnode, FS_VNODE_CAPABILITY_FSYNC))
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_FSYNC, fFSOps->fsync);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_FSYNC, fLowLevelOps.fsync);
fNodeCapabilities.Set(FS_VNODE_CAPABILITY_FSYNC, fFS->ops.fsync);
capabilities.Set(FS_VNODE_CAPABILITY_FSYNC, ops->fsync);