diff options
| author |   Christoph Hellwig <hch@lst.de> | 2022-04-15 06:52:57 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2022-04-17 19:49:59 -0600 |
| commit | 44abff2c0b970ae3d310b97617525dc01f248d7c (patch) | |
| tree | 9a1df22b92f1b310de70804605325b2367dfd52e /drivers/block/xen-blkfront.c | |
| parent | block: add a bdev_discard_granularity helper (diff) | |
| download | linux-dev-44abff2c0b970ae3d310b97617525dc01f248d7c.tar.xz linux-dev-44abff2c0b970ae3d310b97617525dc01f248d7c.zip | |
block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD
Secure erase is a very different operation from discard in that it is
a data integrity operation vs hint. Fully split the limits and helper
infrastructure to make the separation more clear.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> [drbd]
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> [nifs2]
Acked-by: Jaegeuk Kim <jaegeuk@kernel.org> [f2fs]
Acked-by: Coly Li <colyli@suse.de> [bcache]
Acked-by: David Sterba <dsterba@suse.com> [btrfs]
Acked-by: Chao Yu <chao@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220415045258.199825-27-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index e13cb4d48f1e..0f3f5238f7bc 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -949,7 +949,8 @@ static void blkif_set_queue_limits(struct blkfront_info *info) info->physical_sector_size; rq->limits.discard_alignment = info->discard_alignment; if (info->feature_secdiscard) - blk_queue_flag_set(QUEUE_FLAG_SECERASE, rq); + blk_queue_max_secure_erase_sectors(rq, + get_capacity(gd)); } /* Hard sector size and max sectors impersonate the equiv. hardware. */ @@ -1606,7 +1607,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) info->feature_discard = 0; info->feature_secdiscard = 0; blk_queue_max_discard_sectors(rq, 0); - blk_queue_flag_clear(QUEUE_FLAG_SECERASE, rq); + blk_queue_max_secure_erase_sectors(rq, 0); } break; case BLKIF_OP_FLUSH_DISKCACHE: |