https://lore.kernel.org/r/20210901131434.31158-1-mgurtovoy@xxxxxxxxxx yes - it was there. I think I dropped it while resolving conflicts. Thanks! On Wed, Oct 27, 2021 at 11:56:20AM +0300, Max Gurtovoy wrote: > This is strange, I've sent V3 with this code included. > > MST, > > which version did you take to your tree ? > > > On 10/27/2021 11:24 AM, Arnd Bergmann wrote: > > From: Arnd Bergmann <arnd@xxxxxxxx> > > > > Switching virtio-blk to the sg_pool interfaces causes a build > > failures when they are not part of the kernel: > > > > drivers/block/virtio_blk.c:182:3: error: implicit declaration of function 'sg_free_table_chained' [-Werror,-Wimplicit-function-declaration] > > sg_free_table_chained(&vbr->sg_table, > > ^ > > drivers/block/virtio_blk.c:195:8: error: implicit declaration of function 'sg_alloc_table_chained' [-Werror,-Wimplicit-function-declaration] > > err = sg_alloc_table_chained(&vbr->sg_table, > > ^ > > > > Select this symbol through Kconfig, as is done for all other > > users. > > > > Fixes: b2c5221fd074 ("virtio-blk: avoid preallocating big SGL for data") > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > > --- > > drivers/block/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig > > index d97eaf6adb6d..2a51dfb09c8f 100644 > > --- a/drivers/block/Kconfig > > +++ b/drivers/block/Kconfig > > @@ -371,6 +371,7 @@ config XEN_BLKDEV_BACKEND > > config VIRTIO_BLK > > tristate "Virtio block driver" > > depends on VIRTIO > > + select SG_POOL > > help > > This is the virtual block driver for virtio. It can be used with > > QEMU based VMMs (like KVM or Xen). Say Y or M.
