block: add a separate operation type for secure erase
Instead of overloading the discard support with the REQ_SECURE flag.
Use the opportunity to rename the queue flag as well, and remove the
dead checks for this flag in the RAID 1 and RAID 10 drivers that don't
claim support for secure erase.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/block/blk-core.c b/block/blk-core.c
index 32a283e..db31a29 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1977,16 +1977,21 @@
}
}
- if ((bio_op(bio) == REQ_OP_DISCARD) &&
- (!blk_queue_discard(q) ||
- ((bio->bi_rw & REQ_SECURE) && !blk_queue_secdiscard(q)))) {
- err = -EOPNOTSUPP;
- goto end_io;
- }
-
- if (bio_op(bio) == REQ_OP_WRITE_SAME && !bdev_write_same(bio->bi_bdev)) {
- err = -EOPNOTSUPP;
- goto end_io;
+ switch (bio_op(bio)) {
+ case REQ_OP_DISCARD:
+ if (!blk_queue_discard(q))
+ goto not_supported;
+ break;
+ case REQ_OP_SECURE_ERASE:
+ if (!blk_queue_secure_erase(q))
+ goto not_supported;
+ break;
+ case REQ_OP_WRITE_SAME:
+ if (!bdev_write_same(bio->bi_bdev))
+ goto not_supported;
+ break;
+ default:
+ break;
}
/*
@@ -2003,6 +2008,8 @@
trace_block_bio_queue(q, bio);
return true;
+not_supported:
+ err = -EOPNOTSUPP;
end_io:
bio->bi_error = err;
bio_endio(bio);