[PATCH 1/3] pipe: drop an always true check in anon_pipe_write()

[Mateusz Guzik]

The check operates on the stale value of 'head' and always loops back.

Just do it unconditionally. No functional changes.

Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx>
---
 fs/pipe.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index 19a7948ab234..d5238f6e0f08 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -529,10 +529,9 @@ anon_pipe_write(struct kiocb *iocb, struct iov_iter *from)
 
 			if (!iov_iter_count(from))
 				break;
-		}
 
-		if (!pipe_full(head, pipe->tail, pipe->max_usage))
 			continue;
+		}
 
 		/* Wait for buffer space to become available. */
 		if ((filp->f_flags & O_NONBLOCK) ||
-- 
2.43.0