Many ceph-related Boolean options offer the ability to both enable
and disable a feature.  For all those that don't offer this, add
a new option so that they do.

Note that ceph_show_options()--which reports mount options currently
in effect--only reports the option if it is different from the
default value.

Signed-off-by: Alex Elder <[email protected]>
---
 fs/ceph/super.c        |   10 ++++++++++
 net/ceph/ceph_common.c |   10 ++++++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 1d325bc..8e497a6 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -130,8 +130,10 @@ enum {
        Opt_nodirstat,
        Opt_rbytes,
        Opt_norbytes,
+       Opt_asyncreaddir,
        Opt_noasyncreaddir,
        Opt_ino32,
+       Opt_noino32,
 };

 static match_table_t fsopt_tokens = {
@@ -151,8 +153,10 @@ static match_table_t fsopt_tokens = {
        {Opt_nodirstat, "nodirstat"},
        {Opt_rbytes, "rbytes"},
        {Opt_norbytes, "norbytes"},
+       {Opt_asyncreaddir, "asyncreaddir"},
        {Opt_noasyncreaddir, "noasyncreaddir"},
        {Opt_ino32, "ino32"},
+       {Opt_noino32, "noino32"},
        {-1, NULL}
 };

@@ -228,12 +232,18 @@ static int parse_fsopt_token(char *c, void *private)
        case Opt_norbytes:
                fsopt->flags &= ~CEPH_MOUNT_OPT_RBYTES;
                break;
+       case Opt_asyncreaddir:
+               fsopt->flags &= ~CEPH_MOUNT_OPT_NOASYNCREADDIR;
+               break;
        case Opt_noasyncreaddir:
                fsopt->flags |= CEPH_MOUNT_OPT_NOASYNCREADDIR;
                break;
        case Opt_ino32:
                fsopt->flags |= CEPH_MOUNT_OPT_INO32;
                break;
+       case Opt_noino32:
+               fsopt->flags &= ~CEPH_MOUNT_OPT_INO32;
+               break;
        default:
                BUG_ON(token);
        }
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 621c322..cc91319 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -201,7 +201,9 @@ enum {
        Opt_ip,
        Opt_last_string,
        /* string args above */
+       Opt_share,
        Opt_noshare,
+       Opt_crc,
        Opt_nocrc,
 };

@@ -217,7 +219,9 @@ static match_table_t opt_tokens = {
        {Opt_key, "key=%s"},
        {Opt_ip, "ip=%s"},
        /* string args above */
+       {Opt_share, "share"},
        {Opt_noshare, "noshare"},
+       {Opt_crc, "crc"},
        {Opt_nocrc, "nocrc"},
        {-1, NULL}
 };
@@ -399,10 +403,16 @@ ceph_parse_options(char *options, const char *dev_name,
                        opt->mount_timeout = intval;
                        break;

+               case Opt_share:
+                       opt->flags &= ~CEPH_OPT_NOSHARE;
+                       break;
                case Opt_noshare:
                        opt->flags |= CEPH_OPT_NOSHARE;
                        break;

+               case Opt_crc:
+                       opt->flags &= ~CEPH_OPT_NOCRC;
+                       break;
                case Opt_nocrc:
                        opt->flags |= CEPH_OPT_NOCRC;
                        break;
--
1.7.5.4

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