for-4.17/block-20180402

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Merge tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block

Pull block layer updates from Jens Axboe:
 "It's a pretty quiet round this time, which is nice. This contains:

   - series from Bart, cleaning up the way we set/test/clear atomic
     queue flags.

   - series from Bart, fixing races between gendisk and queue
     registration and removal.

   - set of bcache fixes and improvements from various folks, by way of
     Michael Lyle.

   - set of lightnvm updates from Matias, most of it being the 1.2 to
     2.0 transition.

   - removal of unused DIO flags from Nikolay.

   - blk-mq/sbitmap memory ordering fixes from Omar.

   - divide-by-zero fix for BFQ from Paolo.

   - minor documentation patches from Randy.

   - timeout fix from Tejun.

   - Alpha "can't write a char atomically" fix from Mikulas.

   - set of NVMe fixes by way of Keith.

   - bsg and bsg-lib improvements from Christoph.

   - a few sed-opal fixes from Jonas.

   - cdrom check-disk-change deadlock fix from Maurizio.

   - various little fixes, comment fixes, etc from various folks"

* tag 'for-4.17/block-20180402' of git://git.kernel.dk/linux-block: (139 commits)
  blk-mq: Directly schedule q->timeout_work when aborting a request
  blktrace: fix comment in blktrace_api.h
  lightnvm: remove function name in strings
  lightnvm: pblk: remove some unnecessary NULL checks
  lightnvm: pblk: don't recover unwritten lines
  lightnvm: pblk: implement 2.0 support
  lightnvm: pblk: implement get log report chunk
  lightnvm: pblk: rename ppaf* to addrf*
  lightnvm: pblk: check for supported version
  lightnvm: implement get log report chunk helpers
  lightnvm: make address conversions depend on generic device
  lightnvm: add support for 2.0 address format
  lightnvm: normalize geometry nomenclature
  lightnvm: complete geo structure with maxoc*
  lightnvm: add shorten OCSSD version in geo
  lightnvm: add minor version to generic geometry
  lightnvm: simplify geometry structure
  lightnvm: pblk: refactor init/exit sequences
  lightnvm: Avoid validation of default op value
  lightnvm: centralize permission check for lightnvm ioctl
  ...

drivers/target/iscsi/iscsi_target.c

@@ -26,6 +26,7 @@
 #include <linux/delay.h>
 #include <linux/sched/signal.h>
 #include <asm/unaligned.h>
+#include <linux/inet.h>
 #include <net/ipv6.h>
 #include <scsi/scsi_proto.h>
 #include <scsi/iscsi_proto.h>
@@ -3291,30 +3292,6 @@ iscsit_send_task_mgt_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
 	return conn->conn_transport->iscsit_xmit_pdu(conn, cmd, NULL, NULL, 0);
 }
 
-static bool iscsit_check_inaddr_any(struct iscsi_np *np)
-{
-	bool ret = false;
-
-	if (np->np_sockaddr.ss_family == AF_INET6) {
-		const struct sockaddr_in6 sin6 = {
-			.sin6_addr = IN6ADDR_ANY_INIT };
-		struct sockaddr_in6 *sock_in6 =
-			 (struct sockaddr_in6 *)&np->np_sockaddr;
-
-		if (!memcmp(sock_in6->sin6_addr.s6_addr,
-				sin6.sin6_addr.s6_addr, 16))
-			ret = true;
-	} else {
-		struct sockaddr_in * sock_in =
-			(struct sockaddr_in *)&np->np_sockaddr;
-
-		if (sock_in->sin_addr.s_addr == htonl(INADDR_ANY))
-			ret = true;
-	}
-
-	return ret;
-}
-
 #define SENDTARGETS_BUF_LIMIT 32768U
 
 static int
@@ -3393,7 +3370,6 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
 			list_for_each_entry(tpg_np, &tpg->tpg_gnp_list,
 						tpg_np_list) {
 				struct iscsi_np *np = tpg_np->tpg_np;
-				bool inaddr_any = iscsit_check_inaddr_any(np);
 				struct sockaddr_storage *sockaddr;
 
 				if (np->np_network_transport != network_transport)
@@ -3422,7 +3398,7 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
 					}
 				}
 
-				if (inaddr_any)
+				if (inet_addr_is_any((struct sockaddr *)&np->np_sockaddr))
 					sockaddr = &conn->local_sockaddr;
 				else
 					sockaddr = &np->np_sockaddr;

drivers/target/loopback/tcm_loop.c

@@ -309,7 +309,7 @@ static int tcm_loop_target_reset(struct scsi_cmnd *sc)
 
 static int tcm_loop_slave_alloc(struct scsi_device *sd)
 {
-	set_bit(QUEUE_FLAG_BIDI, &sd->request_queue->queue_flags);
+	blk_queue_flag_set(QUEUE_FLAG_BIDI, sd->request_queue);
 	return 0;
 }