Initial pass at a file API getf/releasef hooks

git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@50 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

modules/splat/Makefile.in

@@ -23,6 +23,7 @@ splat-objs += splat-rwlock.o
 splat-objs += splat-time.o
 splat-objs += splat-vnode.o
 splat-objs += splat-kobj.o
+splat-objs += splat-file.o
 
 splatmodule := splat.ko
 splatmoduledir := @kmoduledir@/kernel/lib/

modules/splat/splat-ctl.c

@@ -593,6 +593,7 @@ splat_init(void)
 	SPLAT_SUBSYSTEM_INIT(time);
 	SPLAT_SUBSYSTEM_INIT(vnode);
 	SPLAT_SUBSYSTEM_INIT(kobj);
+	SPLAT_SUBSYSTEM_INIT(file);
 
 	dev = MKDEV(SPLAT_MAJOR, 0);
         if ((rc = register_chrdev_region(dev, SPLAT_MINORS, "splatctl")))
@@ -654,6 +655,7 @@ splat_fini(void)
         cdev_del(&splat_cdev);
         unregister_chrdev_region(dev, SPLAT_MINORS);
 
+	SPLAT_SUBSYSTEM_FINI(file);
 	SPLAT_SUBSYSTEM_FINI(kobj);
 	SPLAT_SUBSYSTEM_FINI(vnode);
 	SPLAT_SUBSYSTEM_FINI(time);

modules/splat/splat-file.c

@@ -0,0 +1,57 @@
+#include "splat-internal.h"
+
+#define SPLAT_SUBSYSTEM_FILE		0x0b00
+#define SPLAT_FILE_NAME			"file"
+#define SPLAT_FILE_DESC			"Kernel File Tests"
+
+#define SPLAT_FILE_TEST1_ID		0x0b01
+#define SPLAT_FILE_TEST1_NAME		"getf"
+#define SPLAT_FILE_TEST1_DESC		"File getf/releasef Test"
+
+static int
+splat_file_test1(struct file *file, void *arg)
+{
+	splat_vprint(file, SPLAT_FILE_TEST1_NAME, "WRITE A TEST, %d\n", 0);
+
+        return 0;
+} /* splat_file_test1() */
+
+
+splat_subsystem_t *
+splat_file_init(void)
+{
+        splat_subsystem_t *sub;
+
+        sub = kmalloc(sizeof(*sub), GFP_KERNEL);
+        if (sub == NULL)
+                return NULL;
+
+        memset(sub, 0, sizeof(*sub));
+        strncpy(sub->desc.name, SPLAT_FILE_NAME, SPLAT_NAME_SIZE);
+	strncpy(sub->desc.desc, SPLAT_FILE_DESC, SPLAT_DESC_SIZE);
+        INIT_LIST_HEAD(&sub->subsystem_list);
+	INIT_LIST_HEAD(&sub->test_list);
+        spin_lock_init(&sub->test_lock);
+        sub->desc.id = SPLAT_SUBSYSTEM_FILE;
+
+        SPLAT_TEST_INIT(sub, SPLAT_FILE_TEST1_NAME, SPLAT_FILE_TEST1_DESC,
+	              SPLAT_FILE_TEST1_ID, splat_file_test1);
+
+        return sub;
+} /* splat_file_init() */
+
+void
+splat_file_fini(splat_subsystem_t *sub)
+{
+        ASSERT(sub);
+
+        SPLAT_TEST_FINI(sub, SPLAT_FILE_TEST1_ID);
+
+        kfree(sub);
+} /* splat_file_fini() */
+
+int
+splat_file_id(void)
+{
+        return SPLAT_SUBSYSTEM_FILE;
+} /* splat_file_id() */

modules/splat/splat-internal.h

@@ -172,6 +172,7 @@ splat_subsystem_t * splat_thread_init(void);
 splat_subsystem_t * splat_time_init(void);
 splat_subsystem_t * splat_vnode_init(void);
 splat_subsystem_t * splat_kobj_init(void);
+splat_subsystem_t * splat_file_init(void);
 
 void splat_condvar_fini(splat_subsystem_t *);
 void splat_kmem_fini(splat_subsystem_t *);
@@ -183,6 +184,7 @@ void splat_thread_fini(splat_subsystem_t *);
 void splat_time_fini(splat_subsystem_t *);
 void splat_vnode_fini(splat_subsystem_t *);
 void splat_kobj_fini(splat_subsystem_t *);
+void splat_file_fini(splat_subsystem_t *);
 
 int splat_condvar_id(void);
 int splat_kmem_id(void);
@@ -194,5 +196,6 @@ int splat_thread_id(void);
 int splat_time_id(void);
 int splat_vnode_id(void);
 int splat_kobj_id(void);
+int splat_file_id(void);
 
 #endif /* _SPLAT_INTERNAL_H */

modules/splat/splat-kobj.c

@@ -2,15 +2,15 @@
 
 #define SPLAT_SUBSYSTEM_KOBJ		0x0a00
 #define SPLAT_KOBJ_NAME			"kobj"
-#define SPLAT_KOBJ_DESC			"Kernel File Tests"
+#define SPLAT_KOBJ_DESC			"Kernel Kobj Tests"
 
 #define SPLAT_KOBJ_TEST1_ID		0x0a01
 #define SPLAT_KOBJ_TEST1_NAME		"open"
-#define SPLAT_KOBJ_TEST1_DESC		"File Open/Close Test"
+#define SPLAT_KOBJ_TEST1_DESC		"Kobj Open/Close Test"
 
 #define SPLAT_KOBJ_TEST2_ID		0x0a02
 #define SPLAT_KOBJ_TEST2_NAME		"size/read"
-#define SPLAT_KOBJ_TEST2_DESC		"File Size/Read Test"
+#define SPLAT_KOBJ_TEST2_DESC		"Kobj Size/Read Test"
 
 #define SPLAT_KOBJ_TEST_FILE		"/etc/fstab"