prefix all functions with kdbus_

TODO

@@ -5,7 +5,6 @@ Internal:
   - update/rethink kdbus_conn_accounting_sub_size() use, we don't allocate
     kernel memory anymore
   - memfd's file pos is shared, which can be confusing, document pread/pwrite
-  - prefix all functions with kdbus_
   - conn->ep->bus ==> conn->bus
 
 Kernel Core:

connection.c

@@ -147,14 +147,14 @@ static int kdbus_conn_memfd_ref(const struct kdbus_item *item,
 
 	/* We only accept kdbus_memfd files as payload, other files need to
 	 * be passed with KDBUS_MSG_FDS. */
-	if (!is_kdbus_memfd(fp)) {
+	if (!kdbus_is_memfd(fp)) {
 		ret = -EMEDIUMTYPE;
 		goto exit_unref;
 	}
 
 	/* We only accept a sealed memfd file whose content cannot be altered
 	 * by the sender or anybody else while it is shared or in-flight. */
-	if (!is_kdbus_memfd_sealed(fp)) {
+	if (!kdbus_is_memfd_sealed(fp)) {
 		ret = -ETXTBSY;
 		goto exit_unref;
 	}
@@ -1003,7 +1003,7 @@ static int kdbus_conn_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static bool check_flags(u64 kernel_flags)
+static bool kdbus_check_flags(u64 kernel_flags)
 {
 	/* The higher 32bit are considered 'incompatible
 	 * flags'. Refuse them all for now */
@@ -1035,7 +1035,7 @@ static long kdbus_conn_ioctl_control(struct file *file, unsigned int cmd,
 		if (ret < 0)
 			break;
 
-		if (!check_flags(bus_kmake->make.flags)) {
+		if (!kdbus_check_flags(bus_kmake->make.flags)) {
 			ret = -ENOTSUPP;
 			break;
 		}
@@ -1068,7 +1068,7 @@ static long kdbus_conn_ioctl_control(struct file *file, unsigned int cmd,
 		if (ret < 0)
 			break;
 
-		if (!check_flags(ns_kmake->make.flags)) {
+		if (!kdbus_check_flags(ns_kmake->make.flags)) {
 			ret = -ENOTSUPP;
 			break;
 		}
@@ -1132,7 +1132,7 @@ static long kdbus_conn_ioctl_ep(struct file *file, unsigned int cmd,
 		if (ret < 0)
 			break;
 
-		if (!check_flags(kmake->make.flags)) {
+		if (!kdbus_check_flags(kmake->make.flags)) {
 			ret = -ENOTSUPP;
 			break;
 		}
@@ -1180,7 +1180,7 @@ static long kdbus_conn_ioctl_ep(struct file *file, unsigned int cmd,
 		}
 		hello = v;
 
-		if (!check_flags(hello->conn_flags)) {
+		if (!kdbus_check_flags(hello->conn_flags)) {
 			ret = -ENOTSUPP;
 			break;
 		}

memfd.c

@@ -35,12 +35,12 @@ struct kdbus_memfile {
 	struct file *fp;
 };
 
-bool is_kdbus_memfd(const struct file *fp)
+bool kdbus_is_memfd(const struct file *fp)
 {
 	return fp->f_op == &kdbus_memfd_fops;
 }
 
-bool is_kdbus_memfd_sealed(const struct file *fp)
+bool kdbus_is_memfd_sealed(const struct file *fp)
 {
 	struct kdbus_memfile *mf = fp->private_data;
 	bool sealed;

memfd.h

@@ -15,8 +15,8 @@
 
 #include "internal.h"
 
-bool is_kdbus_memfd(const struct file *fp);
-bool is_kdbus_memfd_sealed(const struct file *fp);
+bool kdbus_is_memfd(const struct file *fp);
+bool kdbus_is_memfd_sealed(const struct file *fp);
 u64 kdbus_memfd_size(const struct file *fp);
 int kdbus_memfd_new(int *fd);
 #endif

policy.c

@@ -161,7 +161,7 @@ struct kdbus_policy_db *kdbus_policy_db_new(void)
 	return db;
 }
 
-static inline u64 collect_entry_accesses(struct kdbus_policy_db_entry *db_entry,
+static inline u64 kdbus_collect_entry_accesses(struct kdbus_policy_db_entry *db_entry,
 					 struct kdbus_conn *conn)
 {
 	struct kdbus_policy_db_entry_access *a;
@@ -208,7 +208,7 @@ static int __kdbus_policy_db_check_send_access(struct kdbus_policy_db *db,
 			if (strcmp(db_entry->name, name_entry->name) != 0)
 				continue;
 
-			access = collect_entry_accesses(db_entry, conn_src);
+			access = kdbus_collect_entry_accesses(db_entry, conn_src);
 			if (access & KDBUS_POLICY_SEND)
 				return 0;
 		}
@@ -220,7 +220,7 @@ static int __kdbus_policy_db_check_send_access(struct kdbus_policy_db *db,
 			if (strcmp(db_entry->name, name_entry->name) != 0)
 				continue;
 
-			access = collect_entry_accesses(db_entry, conn_dst);
+			access = kdbus_collect_entry_accesses(db_entry, conn_dst);
 			if (access & KDBUS_POLICY_RECV)
 				return 0;
 		}
@@ -246,7 +246,7 @@ kdbus_policy_cache_entry_new(struct kdbus_conn *conn_a,
 	return ce;
 }
 
-static int add_reverse_cache_entry(struct kdbus_policy_db *db,
+static int kdbus_add_reverse_cache_entry(struct kdbus_policy_db *db,
 				   struct kdbus_policy_db_cache_entry *ce,
 				   u64 reply_deadline_ns)
 {
@@ -291,7 +291,7 @@ int kdbus_policy_db_check_send_access(struct kdbus_policy_db *db,
 			mutex_unlock(&db->cache_lock);
 			/* do we need a temporaty rule for replies? */
 			if (reply_deadline_ns)
-				ret = add_reverse_cache_entry(db, ce, reply_deadline_ns);
+				ret = kdbus_add_reverse_cache_entry(db, ce, reply_deadline_ns);
 			return ret;
 		}
 	mutex_unlock(&db->cache_lock);
@@ -312,7 +312,7 @@ int kdbus_policy_db_check_send_access(struct kdbus_policy_db *db,
 
 		/* do we need a temporaty rule for replies? */
 		if (reply_deadline_ns)
-			ret = add_reverse_cache_entry(db, ce, reply_deadline_ns);
+			ret = kdbus_add_reverse_cache_entry(db, ce, reply_deadline_ns);
 	}
 
 exit_unlock_entries:
@@ -354,7 +354,7 @@ int kdbus_policy_db_check_own_access(struct kdbus_policy_db *db,
 		if (strcmp(db_entry->name, name) != 0)
 			continue;
 
-		access = collect_entry_accesses(db_entry, conn);
+		access = kdbus_collect_entry_accesses(db_entry, conn);
 		if (access & KDBUS_POLICY_OWN) {
 			ret = 0;
 			goto exit_unlock;