[PATCH v2 065/127] smb: client: make use of smbdirect_frwr_is_supported()

[Stefan Metzmacher]

This an exact copy of frwr_is_supported().

Cc: Steve French <smfrench at gmail.com>
Cc: Tom Talpey <tom at talpey.com>
Cc: Long Li <longli at microsoft.com>
Cc: Namjae Jeon <linkinjeon at kernel.org>
Cc: linux-cifs at vger.kernel.org
Cc: samba-technical at lists.samba.org
Signed-off-by: Stefan Metzmacher <metze at samba.org>
Signed-off-by: Steve French <stfrench at microsoft.com>
---
 fs/smb/client/smbdirect.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c
index e61f41fd020b..ab8ce4c46bd6 100644
--- a/fs/smb/client/smbdirect.c
+++ b/fs/smb/client/smbdirect.c
@@ -783,20 +783,6 @@ static struct rdma_cm_id *smbd_create_id(
 	return ERR_PTR(rc);
 }
 
-/*
- * Test if FRWR (Fast Registration Work Requests) is supported on the device
- * This implementation requires FRWR on RDMA read/write
- * return value: true if it is supported
- */
-static bool frwr_is_supported(struct ib_device_attr *attrs)
-{
-	if (!(attrs->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS))
-		return false;
-	if (attrs->max_fast_reg_page_list_len == 0)
-		return false;
-	return true;
-}
-
 static int smbd_ia_open(
 		struct smbdirect_socket *sc,
 		struct sockaddr *dstaddr, int port)
@@ -814,7 +800,7 @@ static int smbd_ia_open(
 	}
 	sc->ib.dev = sc->rdma.cm_id->device;
 
-	if (!frwr_is_supported(&sc->ib.dev->attrs)) {
+	if (!smbdirect_frwr_is_supported(&sc->ib.dev->attrs)) {
 		log_rdma_event(ERR, "Fast Registration Work Requests (FRWR) is not supported\n");
 		log_rdma_event(ERR, "Device capability flags = %llx max_fast_reg_page_list_len = %u\n",
 			       sc->ib.dev->attrs.device_cap_flags,
-- 
2.43.0