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| author | Max Gurtovoy <maxg@mellanox.com> | 2020-05-19 16:05:52 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-05-27 07:12:39 +0200 |
| commit | 95093350394a394e7c4e778176194b14b76ec5d8 (patch) | |
| tree | d4072939afa81fcab8d4a07435bdc0905cd2af8c /drivers/nvme/host/pci.c | |
| parent | nvme: make nvme_ns_has_pi accessible to transports (diff) | |
| download | linux-95093350394a394e7c4e778176194b14b76ec5d8.tar.xz linux-95093350394a394e7c4e778176194b14b76ec5d8.zip | |
nvme: introduce max_integrity_segments ctrl attribute
This patch doesn't change any logic, and is needed as a preparation
for adding PI support for fabrics drivers that will use an extended
LBA format for metadata and will support more than 1 integrity segment.
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 6cc4630ddd6d..b307c06a783d 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2565,6 +2565,12 @@ static void nvme_reset_work(struct work_struct *work) goto out; } + /* + * We do not support an SGL for metadata (yet), so we are limited to a + * single integrity segment for the separate metadata pointer. + */ + dev->ctrl.max_integrity_segments = 1; + result = nvme_init_identify(&dev->ctrl); if (result) goto out; |