diff options
| author | Scott Mayhew <smayhew@redhat.com> | 2014-05-29 22:41:22 +0200 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-05-29 22:46:09 +0200 |
| commit | c8e470280a5c875468dd4eb41d8c4b44c87ebbcf (patch) | |
| tree | c014ac25df6b70d334482305bc1b1862f9c852e4 /fs/nfs/super.c | |
| parent | NFSv4: Use error handler on failed GETATTR with successful OPEN (diff) | |
| download | linux-c8e470280a5c875468dd4eb41d8c4b44c87ebbcf.tar.xz linux-c8e470280a5c875468dd4eb41d8c4b44c87ebbcf.zip | |
nfs: Apply NFS_MOUNT_CMP_FLAGMASK to nfs_compare_remount_data()
Those flags are obsolete and checking them can incorrectly cause
remount operations to fail.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2cb56943e232..1a6d7ac9d9d2 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2180,11 +2180,23 @@ out_no_address: return -EINVAL; } +#define NFS_MOUNT_CMP_FLAGMASK ~(NFS_MOUNT_INTR \ + | NFS_MOUNT_SECURE \ + | NFS_MOUNT_TCP \ + | NFS_MOUNT_VER3 \ + | NFS_MOUNT_KERBEROS \ + | NFS_MOUNT_NONLM \ + | NFS_MOUNT_BROKEN_SUID \ + | NFS_MOUNT_STRICTLOCK \ + | NFS_MOUNT_UNSHARED \ + | NFS_MOUNT_NORESVPORT \ + | NFS_MOUNT_LEGACY_INTERFACE) + static int nfs_compare_remount_data(struct nfs_server *nfss, struct nfs_parsed_mount_data *data) { - if (data->flags != nfss->flags || + if ((data->flags ^ nfss->flags) & NFS_MOUNT_CMP_FLAGMASK || data->rsize != nfss->rsize || data->wsize != nfss->wsize || data->version != nfss->nfs_client->rpc_ops->version || @@ -2347,18 +2359,6 @@ void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info) nfs_initialise_sb(sb); } -#define NFS_MOUNT_CMP_FLAGMASK ~(NFS_MOUNT_INTR \ - | NFS_MOUNT_SECURE \ - | NFS_MOUNT_TCP \ - | NFS_MOUNT_VER3 \ - | NFS_MOUNT_KERBEROS \ - | NFS_MOUNT_NONLM \ - | NFS_MOUNT_BROKEN_SUID \ - | NFS_MOUNT_STRICTLOCK \ - | NFS_MOUNT_UNSHARED \ - | NFS_MOUNT_NORESVPORT \ - | NFS_MOUNT_LEGACY_INTERFACE) - static int nfs_compare_mount_options(const struct super_block *s, const struct nfs_server *b, int flags) { const struct nfs_server *a = s->s_fs_info; |