On Wed, 17 Mar 2010, Jens Axboe wrote: > On Tue, Mar 16 2010, Alan Stern wrote: > > Jens and Al: > > > > Simple testing seems to show that when a program closes a file > > descriptor for a block device file, the release method in the device > > driver's block_device_operations structure doesn't get called (and the > > close(2) system call doesn't return) until all the dirty pages for that > > device have been written out. > > > > Can anyone confirm that this always happens? Where in the kernel > > source is this handled? > > Alan, see fs/block_dev.c:__blkdev_put(). The last put of the device will > sync the device before calling fops->release(). Ah, that's where it is! Thanks very much. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
