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authorChuck Tuffli <chuck@FreeBSD.org>2021-06-24 16:54:05 +0000
committerChuck Tuffli <chuck@FreeBSD.org>2022-02-22 03:22:35 +0000
commitb7a2cf0d9102b338dd00f0f3a6a7c135c1569d7c (patch)
treed48fb7fd320e47e8000b2d49e578da82e0b2c1e4
parentb55a7f3422d76a6765716b2b6e78967bd75199c9 (diff)
downloadsrc-b7a2cf0d9102.tar.gz
src-b7a2cf0d9102.zip
bhyve: fix NVMe MDTS comment
Removes an obsolete comment and adds parenthesis around the macro while in the area. No functional change. (cherry picked from commit a11ca79cd9d00b102c7bf8a0b683fd85079a6346)
-rw-r--r--usr.sbin/bhyve/pci_nvme.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/usr.sbin/bhyve/pci_nvme.c b/usr.sbin/bhyve/pci_nvme.c
index fdf4a46148c9..034c9409cea3 100644
--- a/usr.sbin/bhyve/pci_nvme.c
+++ b/usr.sbin/bhyve/pci_nvme.c
@@ -198,13 +198,11 @@ struct pci_nvme_blockstore {
* Calculate the number of additional page descriptors for guest IO requests
* based on the advertised Max Data Transfer (MDTS) and given the number of
* default iovec's in a struct blockif_req.
- *
- * Note the + 1 allows for the initial descriptor to not be page aligned.
*/
#define MDTS_PAD_SIZE \
- NVME_MAX_IOVEC > BLOCKIF_IOV_MAX ? \
- NVME_MAX_IOVEC - BLOCKIF_IOV_MAX : \
- 0
+ ( NVME_MAX_IOVEC > BLOCKIF_IOV_MAX ? \
+ NVME_MAX_IOVEC - BLOCKIF_IOV_MAX : \
+ 0 )
struct pci_nvme_ioreq {
struct pci_nvme_softc *sc;