From 4579609e336b423639d844e3cd1d1fa0ff4c62ea Mon Sep 17 00:00:00 2001 From: Avra Sengupta Date: Thu, 21 Feb 2013 15:35:18 +0530 Subject: glusterd: Added validation function for stripe-block-size. Change-Id: I050d01b01eac46550aa435da7d96a972e0393d35 BUG: 770655 Signed-off-by: Avra Sengupta Reviewed-on: http://review.gluster.org/4561 Reviewed-by: Jeff Darcy Tested-by: Gluster Build System --- xlators/mgmt/glusterd/src/glusterd-volume-set.c | 43 +++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) (limited to 'xlators') diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c index c183a646098..d3249d3a160 100644 --- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c +++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c @@ -94,7 +94,7 @@ out: return ret; } -int +static int validate_cache_max_min_size (dict_t *dict, char *key, char *value, char **op_errstr) { @@ -208,6 +208,44 @@ out: return ret; } +static int +validate_stripe (dict_t *dict, char *key, char *value, char **op_errstr) +{ + char errstr[2048] = ""; + char *volname = NULL; + glusterd_conf_t *priv = NULL; + glusterd_volinfo_t *volinfo = NULL; + int ret = 0; + xlator_t *this = NULL; + + this = THIS; + GF_ASSERT (this); + priv = this->private; + GF_ASSERT (priv); + + ret = check_dict_key_value (dict, key, value); + if (ret) + goto out; + + ret = get_volname_volinfo (dict, &volname, &volinfo); + if (ret) + goto out; + + if (volinfo->stripe_count == 1) { + snprintf (errstr, sizeof (errstr), + "Cannot set %s for a non-stripe volume.", key); + gf_log (this->name, GF_LOG_ERROR, "%s", errstr); + *op_errstr = gf_strdup (errstr); + ret = -1; + goto out; + } + +out: + gf_log (this->name, GF_LOG_DEBUG, "Returning %d", ret); + + return ret; +} + /* dispatch table for VOLUME SET * ----------------------------- * @@ -417,7 +455,8 @@ struct volopt_map_entry glusterd_volopt_map[] = { { .key = "cluster.stripe-block-size", .voltype = "cluster/stripe", .option = "block-size", - .op_version = 1 + .op_version = 1, + .validate_fn = validate_stripe }, { .key = "cluster.stripe-coalesce", .voltype = "cluster/stripe", -- cgit