Messages in this thread | | | Date | Tue, 4 Nov 2014 16:37:52 +0100 | From | Jan Kara <> | Subject | Re: [PATCH 2/4] chardev: Increment cdev reference count when i_cdev references it |
| |
On Tue 04-11-14 14:46:11, Al Viro wrote: > On Wed, Oct 22, 2014 at 10:14:11PM +0200, Jan Kara wrote: > > Currently i_cdev reference to a character device isn't accounted in the > > reference count of the character device. This then requires us to track > > all references through a list of all inodes referencing a character > > device which is somewhat clumsy and requires list_head in each inode in > > the system. > > > > So make i_cdev a reference like any other. > > So no rmmod for you until an inode of character device node you had > closed a while ago finally gets evicted from icache? Or am I misreading > you? Yes, this is a consequence of the change. I should have noted in the changelog I guess.
Honza -- Jan Kara <jack@suse.cz> SUSE Labs, CR
| |