6.1-stable review patch. If anyone has any objections, please let me know.
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From: Trond Myklebust trond.myklebust@hammerspace.com
[ Upstream commit d216b698d44e33417ad4cc796cb04ccddbb8c0ee ]
This reverts commit 8cd9b785943c57a136536250da80ba1eb6f8eb18.
Silently ignoring the "ro" and "rw" mount options causes user confusion, and regressions.
Reported-by: Alkis Georgopoulosalkisg@gmail.com Cc: Li Lingfeng lilingfeng3@huawei.com Fixes: 8cd9b785943c ("nfs: clear SB_RDONLY before getting superblock") Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/super.c | 9 --------- 1 file changed, 9 deletions(-)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index a4679cd75f70a..3dffeb1d17b9c 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1273,17 +1273,8 @@ int nfs_get_tree_common(struct fs_context *fc) if (IS_ERR(server)) return PTR_ERR(server);
- /* - * When NFS_MOUNT_UNSHARED is not set, NFS forces the sharing of a - * superblock among each filesystem that mounts sub-directories - * belonging to a single exported root path. - * To prevent interference between different filesystems, the - * SB_RDONLY flag should be removed from the superblock. - */ if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; - else - fc->sb_flags &= ~SB_RDONLY;
/* -o noac implies -o sync */ if (server->flags & NFS_MOUNT_NOAC)