[v3,4/4] fs/9p: remove unnecessary invalidate_inode_pages2

Message ID 20230716-fixes-overly-restrictive-mmap-v3-4-769791f474fd@kernel.org
State New
Headers
Series fs/9p: fix mmap regression |

Commit Message

Eric Van Hensbergen July 19, 2023, 3:17 p.m. UTC
  There was an invalidate_inode_pages2
added to mmap that is unnecessary.

Fixes: 1543b4c5071c ("fs/9p: remove writeback fid and fix per-file modes")
Link: https://lore.kernel.org/v9fs/ZK25XZ%2BGpR3KHIB%2F@pengutronix.de/
Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
---
 fs/9p/vfs_file.c | 1 -
 1 file changed, 1 deletion(-)
  

Comments

Greg KH July 19, 2023, 3:40 p.m. UTC | #1
On Wed, Jul 19, 2023 at 03:17:08PM +0000, Eric Van Hensbergen wrote:
> There was an invalidate_inode_pages2
> added to mmap that is unnecessary.
> 
> Fixes: 1543b4c5071c ("fs/9p: remove writeback fid and fix per-file modes")
> Link: https://lore.kernel.org/v9fs/ZK25XZ%2BGpR3KHIB%2F@pengutronix.de/
> Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
> Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
> ---
>  fs/9p/vfs_file.c | 1 -
>  1 file changed, 1 deletion(-)


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>
  

Patch

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 9b61b480a9b0..11cd8d23f6f2 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -506,7 +506,6 @@  v9fs_file_mmap(struct file *filp, struct vm_area_struct *vma)
 
 	if (!(v9ses->cache & CACHE_WRITEBACK)) {
 		p9_debug(P9_DEBUG_CACHE, "(read-only mmap mode)");
-		invalidate_inode_pages2(filp->f_mapping);
 		return generic_file_readonly_mmap(filp, vma);
 	}