fs/direct-io: Remove linux/prefetch.h include

After commit c22198e78d ("direct-io: remove random prefetches"), Nothing
in this file needs anything from `linux/prefetch.h`.

Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Link: https://lore.kernel.org/r/20240603014834.45294-1-youling.tang@linux.dev
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Youling Tang 2024-06-03 09:48:34 +08:00 committed by Christian Brauner
parent c393eaa853
commit 160210cea0

View File

@ -37,7 +37,6 @@
#include <linux/rwsem.h> #include <linux/rwsem.h>
#include <linux/uio.h> #include <linux/uio.h>
#include <linux/atomic.h> #include <linux/atomic.h>
#include <linux/prefetch.h>
#include "internal.h" #include "internal.h"
@ -1121,11 +1120,6 @@ ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
struct blk_plug plug; struct blk_plug plug;
unsigned long align = offset | iov_iter_alignment(iter); unsigned long align = offset | iov_iter_alignment(iter);
/*
* Avoid references to bdev if not absolutely needed to give
* the early prefetch in the caller enough time.
*/
/* watch out for a 0 len io from a tricksy fs */ /* watch out for a 0 len io from a tricksy fs */
if (iov_iter_rw(iter) == READ && !count) if (iov_iter_rw(iter) == READ && !count)
return 0; return 0;