Sorry, this patch is totally wrong. Let me dig out more.
On 04/10, Jaegeuk Kim wrote: > From: Jaegeuk Kim <[email protected]> > > When f->roots is 2 and block size is 4096, it will gives unaligned block size > length in the scsi command like below. Let's allocate dm_bufio to set the > block > size length to match IO chunk size. > > E sd 0 : 0:0:0: [sda] tag#30 request not aligned to the logical block size > E blk_update_request: I/O error, dev sda, sector 10368424 op 0x0:(READ) flags > 0x0 phys_seg 1 prio class 0 > E device-mapper: verity-fec: 254:8: FEC 9244672: parity read failed (block > 18056): -5 > > Fixes: ce1cca17381f ("dm verity: fix FEC for RS roots unaligned to block > size") > Cc: [email protected] > Signed-off-by: Jaegeuk Kim <[email protected]> > --- > drivers/md/dm-verity-fec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c > index 66f4c6398f67..656238131dd7 100644 > --- a/drivers/md/dm-verity-fec.c > +++ b/drivers/md/dm-verity-fec.c > @@ -743,7 +743,7 @@ int verity_fec_ctr(struct dm_verity *v) > } > > f->bufio = dm_bufio_client_create(f->dev->bdev, > - f->roots << SECTOR_SHIFT, > + 1 << v->data_dev_block_bits, > 1, 0, NULL, NULL); > if (IS_ERR(f->bufio)) { > ti->error = "Cannot initialize FEC bufio client"; > -- > 2.31.1.295.g9ea45b61b8-goog
