From: Dominique Martinet <asmadeus@codewreck.org>
Date: Wed, 23 Oct 2024 23:29:19 +0000 (+0900)
Subject: Revert "9p: Enable multipage folios"
X-Git-Tag: microblaze-v6.16~836
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=f009e946c15540cdff2974771fb979f40b794153;p=linux-2.6-microblaze.git

Revert "9p: Enable multipage folios"

This reverts commit 1325e4a91a405f88f1b18626904d37860a4f9069.

using multipage folios apparently break some madvise operations like
MADV_PAGEOUT which do not reliably unload the specified page anymore,

Revert the patch until that is figured out.

Reported-by: Andrii Nakryiko <andrii@kernel.org>
Fixes: 1325e4a91a40 ("9p: Enable multipage folios")
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index effb3aa1f3ed..fd72fc38c8f5 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -295,7 +295,6 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
 			inode->i_op = &v9fs_file_inode_operations;
 			inode->i_fop = &v9fs_file_operations;
 		}
-		mapping_set_large_folios(inode->i_mapping);
 
 		break;
 	case S_IFLNK: