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From d6cb5b05e9a1bb59b9a9f6557447d9839f2a20ad Mon Sep 17 00:00:00 2001
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From: Jiffin Tony Thottan <jthottan@redhat.com>
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Date: Thu, 17 Nov 2016 12:44:38 +0530
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Subject: [PATCH 179/206] glusterd/gNFS : On post upgrade to 3.2, disable gNFS
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 for all volumes
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Currently on 3.2 gNFS is dsiabled for newly created volumes or old volumes
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with default value. There will be volumes which have explicitly turn off
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nfs.disable option. This change disable gNFS even for that volume as well.
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label : DOWNSTREAM ONLY
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Change-Id: I4ddeb23690271034b0bbb3fc50b359350b5eae87
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BUG: 1376694
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Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/90425
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Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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Tested-by: Atin Mukherjee <amukherj@redhat.com>
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---
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 xlators/mgmt/glusterd/src/glusterd-op-sm.c | 43 +++++++++++++++++-------------
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 1 file changed, 25 insertions(+), 18 deletions(-)
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diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
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index 52ef08c..67f5f21 100644
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--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
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+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
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@@ -2285,26 +2285,33 @@ glusterd_update_volumes_dict (glusterd_volinfo_t *volinfo)
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         GF_VALIDATE_OR_GOTO (this->name, conf, out);
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         /* 3.9.0 onwards gNFS will be disabled by default. In case of an upgrade
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-         * from anything below than 3.9.0 to 3.9.x the volume's dictionary will
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-         * not have 'nfs.disable' key set which means the same will not be set
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-         * to on until explicitly done. setnfs.disable to 'on' at op-version
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-         * bump up flow is the ideal way here. The same is also applicable for
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-         * transport.address-family where if the transport type is set to tcp
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-         * then transport.address-family is defaulted to 'inet'.
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+         * from anything below than 3.9.0 to 3.9.x, the value for nfs.disable is
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+         * set to 'on' for all volumes even if it is explicitly set to 'off' in
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+         * previous version. This change is only applicable to downstream code.
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+         * Setting nfs.disable to 'on' at op-version bump up flow is the ideal
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+         * way here. The same is also applicable for transport.address-family
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+         * where if the transport type is set to tcp then transport.address-family
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+         * is defaulted to 'inet'.
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          */
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         if (conf->op_version >= GD_OP_VERSION_3_9_0) {
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-                if (dict_get_str_boolean (volinfo->dict, NFS_DISABLE_MAP_KEY,
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-                                          1)) {
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-                        ret = dict_set_dynstr_with_alloc (volinfo->dict,
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-                                                          NFS_DISABLE_MAP_KEY,
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-                                                          "on");
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-                        if (ret) {
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-                                gf_msg (this->name, GF_LOG_ERROR, errno,
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-                                        GD_MSG_DICT_SET_FAILED, "Failed to set "
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-                                        "option ' NFS_DISABLE_MAP_KEY ' on "
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-                                        "volume %s", volinfo->volname);
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-                                goto out;
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-                        }
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+                if (!(dict_get_str_boolean (volinfo->dict, NFS_DISABLE_MAP_KEY,
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+                                            0))) {
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+                        gf_msg (this->name, GF_LOG_INFO, 0, 0, "Gluster NFS is"
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+                                " being deprecated in favor of NFS-Ganesha, "
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+                                "hence setting nfs.disable to 'on' for volume "
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+                                "%s. Please re-enable it if requires",
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+                                volinfo->volname);
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+                }
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+
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+                ret = dict_set_dynstr_with_alloc (volinfo->dict,
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+                                                   NFS_DISABLE_MAP_KEY,
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+                                                   "on");
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+                if (ret) {
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+                        gf_msg (this->name, GF_LOG_ERROR, errno,
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+                                GD_MSG_DICT_SET_FAILED, "Failed to set "
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+                                "option ' NFS_DISABLE_MAP_KEY ' on "
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+                                "volume %s", volinfo->volname);
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+                        goto out;
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                 }
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                 ret = dict_get_str (volinfo->dict, "transport.address-family",
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                                     &address_family_str);
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-- 
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2.9.3
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