diff mbox series

[3/3] Revert "iov_iter: track truncated size"

Message ID 20210910182536.685100-4-axboe@kernel.dk (mailing list archive)
State New, archived
Headers show
Series Add ability to save/restore iov_iter state | expand

Commit Message

Jens Axboe Sept. 10, 2021, 6:25 p.m. UTC 
This reverts commit 2112ff5ce0c1128fe7b4d19cfe7f2b8ce5b595fa.

We no longer need to track the truncation count, the one user that did
need it has been converted to using iov_iter_restore() instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 include/linux/uio.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/include/linux/uio.h b/include/linux/uio.h
index 6eaedae5ea2f..7c8aeacc6fa7 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -53,7 +53,6 @@  struct iov_iter {
 		};
 		loff_t xarray_start;
 	};
-	size_t truncated;
 };
 
 static inline enum iter_type iov_iter_type(const struct iov_iter *i)
@@ -271,10 +270,8 @@  static inline void iov_iter_truncate(struct iov_iter *i, u64 count)
 	 * conversion in assignement is by definition greater than all
 	 * values of size_t, including old i->count.
 	 */
-	if (i->count > count) {
-		i->truncated += i->count - count;
+	if (i->count > count)
 		i->count = count;
-	}
 }
 
 /*
@@ -283,7 +280,6 @@  static inline void iov_iter_truncate(struct iov_iter *i, u64 count)
  */
 static inline void iov_iter_reexpand(struct iov_iter *i, size_t count)
 {
-	i->truncated -= count - i->count;
 	i->count = count;
 }