On Tue, May 18, 2010 at 03:10:41PM +0000, Adam Hamsik wrote:
> Log Message:
> Add support for DIOCCACHESYNC ioctl for dm devices. Add new sync function
> pointer to dm_target_t because that is the only part of dm which know real
> block device. disk_ioctl_switch parses whole device table and for every
> entry it calls particular sync routine which propagates DIOCCACHESYNC
> to real disk.

What happens if a logical volume consists of two slice of one physical
device? Will the physical device get flushed twice?

        Kind regards

Matthias Scheler                                  http://zhadum.org.uk/

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