6.6-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 400fa37afbb11a601c204b72af0f0e5bc2db695c ]
This reverts commit 80c4de6ab44c14e910117a02f2f8241ffc6ec54a.
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: 80c4de6ab44c ("nfs: ignore SB_RDONLY when remounting nfs") Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nfs/super.c | 10 ---------- 1 file changed, 10 deletions(-)
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 4e72ee57fc8fc..59bf4b2c0f86e 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1020,16 +1020,6 @@ int nfs_reconfigure(struct fs_context *fc)
sync_filesystem(sb);
- /* - * The SB_RDONLY flag has been removed from the superblock during - * mounts to prevent interference between different filesystems. - * Similarly, it is also necessary to ignore the SB_RDONLY flag - * during reconfiguration; otherwise, it may also result in the - * creation of redundant superblocks when mounting a directory with - * different rw and ro flags multiple times. - */ - fc->sb_flags_mask &= ~SB_RDONLY; - /* * Userspace mount programs that send binary options generally send * them populated with default values. We have no way to know which