xfs: remove unused XBT_FORCE_SLEEP bit

XBT_FORCE_SLEEP is no longer ever tested; it is only set
and cleared.  Remove it.

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

2 files changed, 2 insertions, 7 deletions

diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index cf0ac056815f..2277bcae395f 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1701,12 +1701,8 @@ xfsbufd(
                 struct list_head tmp;
                 struct blk_plug plug;
 
-                if (unlikely(freezing(current))) {
-                        set_bit(XBT_FORCE_SLEEP, &target->bt_flags);
+                if (unlikely(freezing(current)))
                         refrigerator();
-                } else {
-                        clear_bit(XBT_FORCE_SLEEP, &target->bt_flags);
-                }
 
                 /* sleep for a long time if there is nothing to do. */
                 if (list_empty(&target->bt_delwri_queue))
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 5bab046e859f..df7ffb0affe7 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -90,8 +90,7 @@ typedef unsigned int xfs_buf_flags_t;
         { _XBF_DELWRI_Q,        "DELWRI_Q" }
 
 typedef enum {
-        XBT_FORCE_SLEEP = 0,
-        XBT_FORCE_FLUSH = 1,
+        XBT_FORCE_FLUSH = 0,
 } xfs_buftarg_flags_t;
 
 typedef struct xfs_buftarg {