diff options
| -rw-r--r-- | fs/nfs/super.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 1a609471e85e..91b5503b6f74 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1052,6 +1052,16 @@ 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 * ones were explicitly specified. Fall back to legacy behavior and |