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authorChristoph Hellwig <hch@lst.de>2022-04-20 06:27:10 +0200
committerJens Axboe <axboe@kernel.dk>2022-05-02 14:06:20 -0600
commit55d7baa371ad90d297daf4250720af77449fdec0 (patch)
treea9acd06bb1add83db02e02c973659030410216b8 /drivers/nvme
parent2524a5783e7d49e7cd936f582485a2bb4567edd1 (diff)
nvme-fc: don't support the appid attribute without CONFIG_BLK_CGROUP_FC_APPID
nvme-fc appid support needs CONFIG_BLK_CGROUP_FC_APPID to work, so disable the whole code if the option is not set. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20220420042723.1010598-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/fc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 080f85f4105f..caa0fff7bf1f 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3831,6 +3831,9 @@ process_local_list:
return count;
}
+static DEVICE_ATTR(nvme_discovery, 0200, NULL, nvme_fc_nvme_discovery_store);
+
+#ifdef CONFIG_BLK_CGROUP_FC_APPID
/* Parse the cgroup id from a buf and return the length of cgrpid */
static int fc_parse_cgrpid(const char *buf, u64 *id)
{
@@ -3898,12 +3901,14 @@ static ssize_t fc_appid_store(struct device *dev,
return -EINVAL;
return count;
}
-static DEVICE_ATTR(nvme_discovery, 0200, NULL, nvme_fc_nvme_discovery_store);
static DEVICE_ATTR(appid_store, 0200, NULL, fc_appid_store);
+#endif /* CONFIG_BLK_CGROUP_FC_APPID */
static struct attribute *nvme_fc_attrs[] = {
&dev_attr_nvme_discovery.attr,
+#ifdef CONFIG_BLK_CGROUP_FC_APPID
&dev_attr_appid_store.attr,
+#endif
NULL
};