nvme-fabrics: modify default value to reconnect forever

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA
Link: https://gitee.com/openeuler/kernel/issues/I1WGZE

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Modify the default value of reconnect to -1, which means reconnect forever.
Signed-off-by: NTao Jiang <jiangtao62@huawei.com>
Reviewed-by: NChao Leng <lengchao@huawei.com>
Reviewed-by: NJike Cheng <chengjike.cheng@huawei.com>
Signed-off-by: NLijie <lijie34@huawei.com>
Acked-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/nvme/host/fabrics.c

@@ -617,7 +617,7 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
 	char *options, *o, *p;
 	int token, ret = 0;
 	size_t nqnlen  = 0;
-	int ctrl_loss_tmo = NVMF_DEF_CTRL_LOSS_TMO;
+	int ctrl_loss_tmo = NVMF_DEF_RECONNECT_FOREVER;
 	uuid_t hostid;
 
 	/* Set defaults */

drivers/nvme/host/fabrics.h

@@ -23,6 +23,7 @@
 #define NVMF_DEF_RECONNECT_DELAY	10
 /* default to 600 seconds of reconnect attempts before giving up */
 #define NVMF_DEF_CTRL_LOSS_TMO		600
+#define NVMF_DEF_RECONNECT_FOREVER	-1
 
 /*
  * Define a host as seen by the target.  We allocate one at boot, but also