diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-21 08:06:03 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-22 08:33:57 -0600 |
| commit | 8c6aabd1c72bc241c55f5b71a86cea5ef28bceca (patch) | |
| tree | 8a466aafe1c4ab3c068a316ba57b99b5da0100f7 /fs/nfsd/nfs4layouts.c | |
| parent | b83ce214af3885437ff223b3a0c8ec6072a84167 (diff) | |
| download | linux-8c6aabd1c72bc241c55f5b71a86cea5ef28bceca.tar.bz2 | |
nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands
Call the ->get_unique_id method to query the SCSI identifiers. This can
use the cached VPD page in the sd driver instead of sending a command
on every LAYOUTGET. It will also allow to support NVMe based volumes
if the draft for that ever takes off.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20211021060607.264371-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/nfsd/nfs4layouts.c')
| -rw-r--r-- | fs/nfsd/nfs4layouts.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index a97873f2d22b..6d1b5bb051c5 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -145,8 +145,9 @@ void nfsd4_setup_layout_type(struct svc_export *exp) #ifdef CONFIG_NFSD_SCSILAYOUT if (sb->s_export_op->map_blocks && sb->s_export_op->commit_blocks && - sb->s_bdev && sb->s_bdev->bd_disk->fops->pr_ops && - blk_queue_scsi_passthrough(sb->s_bdev->bd_disk->queue)) + sb->s_bdev && + sb->s_bdev->bd_disk->fops->pr_ops && + sb->s_bdev->bd_disk->fops->get_unique_id) exp->ex_layout_types |= 1 << LAYOUT_SCSI; #endif } |