Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "8 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  fs/exec.c: account for argv/envp pointers
  ocfs2: fix deadlock caused by recursive locking in xattr
  slub: make sysfs file removal asynchronous
  lib/cmdline.c: fix get_options() overflow while parsing ranges
  fs/dax.c: fix inefficiency in dax_writeback_mapping_range()
  autofs: sanity check status reported with AUTOFS_DEV_IOCTL_FAIL
  mm/vmalloc.c: huge-vmap: fail gracefully on unexpected huge vmap mappings
  mm, thp: remove cond_resched from __collapse_huge_page_copy
diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index 8bc7ee1..507512c 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -870,7 +870,6 @@
 		QEDI_ERR(&qedi->dbg_ctx,
 			 "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n",
 			 protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task);
-		WARN_ON(1);
 	}
 }
 
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 09a2946..879d3b7 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -1499,11 +1499,9 @@
 
 void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx)
 {
-	if (!test_and_clear_bit(idx, qedi->task_idx_map)) {
+	if (!test_and_clear_bit(idx, qedi->task_idx_map))
 		QEDI_ERR(&qedi->dbg_ctx,
 			 "FW task context, already cleared, tid=0x%x\n", idx);
-		WARN_ON(1);
-	}
 }
 
 void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt,
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 09af0f7..3b91faa 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1316,9 +1316,12 @@
 	 * The swap code (ab-)uses ->bmap to get a block mapping and then
 	 * bypasseѕ the file system for actual I/O.  We really can't allow
 	 * that on reflinks inodes, so we have to skip out here.  And yes,
-	 * 0 is the magic code for a bmap error..
+	 * 0 is the magic code for a bmap error.
+	 *
+	 * Since we don't pass back blockdev info, we can't return bmap
+	 * information for rt files either.
 	 */
-	if (xfs_is_reflink_inode(ip))
+	if (xfs_is_reflink_inode(ip) || XFS_IS_REALTIME_INODE(ip))
 		return 0;
 
 	filemap_write_and_wait(mapping);