> -----Original Message----- > From: Avri Altman > Sent: Tuesday, May 23, 2017 12:21 PM > To: 'Linus Walleij' <linus.walleij@xxxxxxxxxx>; linux-mmc@xxxxxxxxxxxxxxx; Ulf > Hansson <ulf.hansson@xxxxxxxxxx>; Adrian Hunter > <adrian.hunter@xxxxxxxxx> > Cc: linux-block@xxxxxxxxxxxxxxx; Jens Axboe <axboe@xxxxxxxxx>; Christoph > Hellwig <hch@xxxxxx>; Arnd Bergmann <arnd@xxxxxxxx>; Bartlomiej > Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>; Paolo Valente > <paolo.valente@xxxxxxxxxx> > Subject: RE: [PATCH 5/5] mmc: block: move multi-ioctl() to use block layer > > > > > -----Original Message----- > > From: linux-mmc-owner@xxxxxxxxxxxxxxx [mailto:linux-mmc- > > owner@xxxxxxxxxxxxxxx] On Behalf Of Linus Walleij > > Sent: Wednesday, May 10, 2017 11:24 AM > > To: linux-mmc@xxxxxxxxxxxxxxx; Ulf Hansson <ulf.hansson@xxxxxxxxxx>; > > Adrian Hunter <adrian.hunter@xxxxxxxxx> > > Cc: linux-block@xxxxxxxxxxxxxxx; Jens Axboe <axboe@xxxxxxxxx>; > > Christoph Hellwig <hch@xxxxxx>; Arnd Bergmann <arnd@xxxxxxxx>; > > Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>; Paolo Valente > > <paolo.valente@xxxxxxxxxx>; Linus Walleij <linus.walleij@xxxxxxxxxx> > > Subject: [PATCH 5/5] mmc: block: move multi-ioctl() to use block layer > > > > This switches also the multiple-command ioctl() call to issue all > > ioctl()s through the block layer instead of going directly to the device. > > > > We extend the passed argument with an argument count and loop over all > > passed commands in the ioctl() issue function called from the block layer. > > > > By doing this we are again loosening the grip on the big host lock, > > since two calls to mmc_get_card()/mmc_put_card() are removed. > > > > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > Tested-by: Avri Altman <Avri.Altman@xxxxxxxxxxx> Few more words - we used mmc_utils to run ffu (field firmware update) that uses multi-ioctl. We used Intel NUC with SanDisk storage - this way we could verify that indeed our fw is updated properly. Cheers, Avri
