site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com User-agent: Mutt/1.5.20 (2009-06-14) On Tue, Nov 10, 2009 at 08:03:17AM -0800, Mike Mackovitch wrote:

On Mon, Nov 09, 2009 at 08:32:08PM +0000, Joel Reymont wrote:

...

Do I correctly understand that the UBC pages responsible for a removable device get evicted when said device is ejected?

vnodes have a "struct ubc_info" that associate them with the corresponding VM objects. When a file system is unmounted all the vnodes are disassociated from the file system (vclean()) which includes cleaning up the UBC reference (ubc_destroy_named()).

So, yes.

Technically speaking: the vnodes/UBC get cleaned up on the file system unmount... and not the device ejection. So, an unmount/mount would suffice. The *device* doesn't need to be physically ejected/removed/reattached. --macko _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... This email sent to site_archiver@lists.apple.com