On Thu, Sep 17, 2015 at 9:50 AM, Dave Chinner <[email protected]> wrote: > On Mon, Sep 07, 2015 at 01:29:33PM +0800, Jeff Chua wrote: >> When umount a slow device such as an SD card, the command will take a >> while to run depending on how much data is left to write to the >> device. Is there way to check how much data is remaining waiting to >> write to the device? > > $ grep "Dirty\|Writeback" /proc/meminfo > > And infer from that.
It be a big challenge if the SD write is not the only disk activity! Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
