tree 10baad9693e32ac04eafed70feef99317b6a8e1b
parent 45919fbfe1c487c17ea1d198534339a5e8abeae3
author Ajay Joshi <ajay.joshi@wdc.com> 1571347183 -0700
committer Jens Axboe <axboe@kernel.dk> 1571360482 -0600

null_blk: return fixed zoned reads > write pointer

A zoned block device maintains a write pointer within a zone, and reads
beyond the write pointer are undefined. Fill data buffer returned above
the write pointer with 0xFF.

Signed-off-by: Ajay Joshi <ajay.joshi@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Matias Bjørling <matias.bjorling@wdc.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>