[PATCH v3 1/5] ceph: generalize addr/ip parsing based on delimiter

[Venky Shankar <vshankar@xxxxxxxxxx>]

Signed-off-by: Venky Shankar <vshankar@xxxxxxxxxx>
---
 drivers/block/rbd.c            | 3 ++-
 fs/ceph/super.c                | 3 ++-
 include/linux/ceph/libceph.h   | 4 +++-
 include/linux/ceph/messenger.h | 2 +-
 net/ceph/ceph_common.c         | 8 ++++----
 net/ceph/messenger.c           | 4 ++--
 6 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index bbb88eb009e0..209a7a128ea3 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -6530,7 +6530,8 @@ static int rbd_add_parse_args(const char *buf,
 	pctx.opts->exclusive = RBD_EXCLUSIVE_DEFAULT;
 	pctx.opts->trim = RBD_TRIM_DEFAULT;
 
-	ret = ceph_parse_mon_ips(mon_addrs, mon_addrs_size, pctx.copts, NULL);
+	ret = ceph_parse_mon_ips(mon_addrs, mon_addrs_size, pctx.copts, NULL,
+				 CEPH_ADDR_PARSE_DEFAULT_DELIM);
 	if (ret)
 		goto out_err;
 
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 9b1b7f4cfdd4..039775553a88 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -271,7 +271,8 @@ static int ceph_parse_source(struct fs_parameter *param, struct fs_context *fc)
 		dout("server path '%s'\n", fsopt->server_path);
 
 	ret = ceph_parse_mon_ips(param->string, dev_name_end - dev_name,
-				 pctx->copts, fc->log.log);
+				 pctx->copts, fc->log.log,
+				 CEPH_ADDR_PARSE_DEFAULT_DELIM);
 	if (ret)
 		return ret;
 
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 409d8c29bc4f..e50dba429819 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -98,6 +98,8 @@ struct ceph_options {
 
 #define CEPH_AUTH_NAME_DEFAULT   "guest"
 
+#define CEPH_ADDR_PARSE_DEFAULT_DELIM  ','
+
 /* mount state */
 enum {
 	CEPH_MOUNT_MOUNTING,
@@ -301,7 +303,7 @@ struct fs_parameter;
 struct fc_log;
 struct ceph_options *ceph_alloc_options(void);
 int ceph_parse_mon_ips(const char *buf, size_t len, struct ceph_options *opt,
-		       struct fc_log *l);
+		       struct fc_log *l, char delimiter);
 int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
 		     struct fc_log *l);
 int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h
index 0e6e9ad3c3bf..c9675ee33f51 100644
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@@ -532,7 +532,7 @@ extern const char *ceph_pr_addr(const struct ceph_entity_addr *addr);
 
 extern int ceph_parse_ips(const char *c, const char *end,
 			  struct ceph_entity_addr *addr,
-			  int max_count, int *count);
+			  int max_count, int *count, char delimiter);
 
 extern int ceph_msgr_init(void);
 extern void ceph_msgr_exit(void);
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 97d6ea763e32..0f74ceeddf48 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -422,14 +422,14 @@ static int get_secret(struct ceph_crypto_key *dst, const char *name,
 }
 
 int ceph_parse_mon_ips(const char *buf, size_t len, struct ceph_options *opt,
-		       struct fc_log *l)
+		       struct fc_log *l, char delimiter)
 {
 	struct p_log log = {.prefix = "libceph", .log = l};
 	int ret;
 
-	/* ip1[:port1][,ip2[:port2]...] */
+	/* ip1[:port1][<delim>ip2[:port2]...] */
 	ret = ceph_parse_ips(buf, buf + len, opt->mon_addr, CEPH_MAX_MON,
-			     &opt->num_mon);
+			     &opt->num_mon, delimiter);
 	if (ret) {
 		error_plog(&log, "Failed to parse monitor IPs: %d", ret);
 		return ret;
@@ -456,7 +456,7 @@ int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
 		err = ceph_parse_ips(param->string,
 				     param->string + param->size,
 				     &opt->my_addr,
-				     1, NULL);
+				     1, NULL, CEPH_ADDR_PARSE_DEFAULT_DELIM);
 		if (err) {
 			error_plog(&log, "Failed to parse ip: %d", err);
 			return err;
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 57d043b382ed..142fc70ea45d 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1267,7 +1267,7 @@ static int ceph_parse_server_name(const char *name, size_t namelen,
  */
 int ceph_parse_ips(const char *c, const char *end,
 		   struct ceph_entity_addr *addr,
-		   int max_count, int *count)
+		   int max_count, int *count, char delimiter)
 {
 	int i, ret = -EINVAL;
 	const char *p = c;
@@ -1276,7 +1276,7 @@ int ceph_parse_ips(const char *c, const char *end,
 	for (i = 0; i < max_count; i++) {
 		const char *ipend;
 		int port;
-		char delim = ',';
+		char delim = delimiter;
 
 		if (*p == '[') {
 			delim = ']';
-- 
2.27.0