[PATCH] aio: remove ki_retried debugging member

Remove the ki_retried member from struct kiocb.  I think the idea was
bounced around a while back, but Arnaldo pointed out another reason that we
should dig it up when he pointed out that the last cacheline of struct
kiocb only contains 4 bytes.  By removing the debugging member, we save
more than the 8 byte on 64 bit machines.

Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Acked-by: Ken Chen <kenneth.w.chen@intel.com>
Acked-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 9e350fd44d77..3372ec6bf53a 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -111,7 +111,6 @@ struct kiocb {
         size_t                  ki_nbytes;      /* copy of iocb->aio_nbytes */
         char                    __user *ki_buf; /* remaining iocb->aio_buf */
         size_t                  ki_left;        /* remaining bytes */
-        long                    ki_retried;     /* just for testing */
         struct iovec            ki_inline_vec;  /* inline vector */
         struct iovec            *ki_iovec;
         unsigned long           ki_nr_segs;
@@ -238,7 +237,6 @@ do {									\
 } while (0)
 
 #define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
-#define is_retried_kiocb(iocb) ((iocb)->ki_retried > 1)
 
 #include <linux/aio_abi.h>