orangefs: rename most remaining global variables

Only op_timeout_secs, slot_timeout_secs, and hash_table_size are left
because they are exposed as module parameters. All other global
variables have the orangefs_ prefix.
Signed-off-by: Martin Brandenburg <martin@omnibond.com>

fs/orangefs/dcache.c

@@ -73,7 +73,7 @@ static int orangefs_revalidate_lookup(struct dentry *dentry)
 		}
 	}
 
-	dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
+	dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
 	ret = 1;
 out_release_op:
 	op_release(new_op);

fs/orangefs/devorangefs-req.c

@@ -46,7 +46,7 @@ static void orangefs_devreq_add_op(struct orangefs_kernel_op_s *op)
 {
 	int index = hash_func(op->tag, hash_table_size);
 
-	list_add_tail(&op->list, &htable_ops_in_progress[index]);
+	list_add_tail(&op->list, &orangefs_htable_ops_in_progress[index]);
 }
 
 /*
@@ -60,20 +60,20 @@ static struct orangefs_kernel_op_s *orangefs_devreq_remove_op(__u64 tag)
 
 	index = hash_func(tag, hash_table_size);
 
-	spin_lock(&htable_ops_in_progress_lock);
+	spin_lock(&orangefs_htable_ops_in_progress_lock);
 	list_for_each_entry_safe(op,
 				 next,
-				 &htable_ops_in_progress[index],
+				 &orangefs_htable_ops_in_progress[index],
 				 list) {
 		if (op->tag == tag && !op_state_purged(op) &&
 		    !op_state_given_up(op)) {
 			list_del_init(&op->list);
-			spin_unlock(&htable_ops_in_progress_lock);
+			spin_unlock(&orangefs_htable_ops_in_progress_lock);
 			return op;
 		}
 	}
 
-	spin_unlock(&htable_ops_in_progress_lock);
+	spin_unlock(&orangefs_htable_ops_in_progress_lock);
 	return NULL;
 }
 
@@ -279,11 +279,11 @@ static ssize_t orangefs_devreq_read(struct file *file,
 	if (ret != 0)
 		goto error;
 
-	spin_lock(&htable_ops_in_progress_lock);
+	spin_lock(&orangefs_htable_ops_in_progress_lock);
 	spin_lock(&cur_op->lock);
 	if (unlikely(op_state_given_up(cur_op))) {
 		spin_unlock(&cur_op->lock);
-		spin_unlock(&htable_ops_in_progress_lock);
+		spin_unlock(&orangefs_htable_ops_in_progress_lock);
 		complete(&cur_op->waitq);
 		goto restart;
 	}
@@ -301,7 +301,7 @@ static ssize_t orangefs_devreq_read(struct file *file,
 		     current->comm);
 	orangefs_devreq_add_op(cur_op);
 	spin_unlock(&cur_op->lock);
-	spin_unlock(&htable_ops_in_progress_lock);
+	spin_unlock(&orangefs_htable_ops_in_progress_lock);
 
 	/* The client only asks to read one size buffer. */
 	return MAX_DEV_REQ_UPSIZE;
@@ -620,7 +620,7 @@ static long dispatch_ioctl_command(unsigned int command, unsigned long arg)
 		 * all of the remounts are serviced (to avoid ops between
 		 * mounts to fail)
 		 */
-		ret = mutex_lock_interruptible(&request_mutex);
+		ret = mutex_lock_interruptible(&orangefs_request_mutex);
 		if (ret < 0)
 			return ret;
 		gossip_debug(GOSSIP_DEV_DEBUG,
@@ -655,7 +655,7 @@ static long dispatch_ioctl_command(unsigned int command, unsigned long arg)
 		gossip_debug(GOSSIP_DEV_DEBUG,
 			     "%s: priority remount complete\n",
 			     __func__);
-		mutex_unlock(&request_mutex);
+		mutex_unlock(&orangefs_request_mutex);
 		return ret;
 
 	case ORANGEFS_DEV_UPSTREAM:

fs/orangefs/namei.c

@@ -72,7 +72,7 @@ static int orangefs_create(struct inode *dir,
 
 	d_instantiate(dentry, inode);
 	unlock_new_inode(inode);
-	dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
+	dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
 	ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
 	gossip_debug(GOSSIP_NAME_DEBUG,
@@ -183,7 +183,7 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry,
 		goto out;
 	}
 
-	dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
+	dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
 
 	inode = orangefs_iget(dir->i_sb, &new_op->downcall.resp.lookup.refn);
 	if (IS_ERR(inode)) {
@@ -322,7 +322,7 @@ static int orangefs_symlink(struct inode *dir,
 
 	d_instantiate(dentry, inode);
 	unlock_new_inode(inode);
-	dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
+	dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
 	ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
 	gossip_debug(GOSSIP_NAME_DEBUG,
@@ -386,7 +386,7 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
 
 	d_instantiate(dentry, inode);
 	unlock_new_inode(inode);
-	dentry->d_time = jiffies + dcache_timeout_msecs*HZ/1000;
+	dentry->d_time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;
 	ORANGEFS_I(inode)->getattr_time = jiffies - 1;
 
 	gossip_debug(GOSSIP_NAME_DEBUG,

fs/orangefs/orangefs-kernel.h

@@ -510,18 +510,18 @@ bool orangefs_cancel_op_in_progress(struct orangefs_kernel_op_s *op);
 
 int orangefs_normalize_to_errno(__s32 error_code);
 
-extern struct mutex request_mutex;
+extern struct mutex orangefs_request_mutex;
 extern int op_timeout_secs;
 extern int slot_timeout_secs;
-extern int dcache_timeout_msecs;
-extern int getattr_timeout_msecs;
+extern int orangefs_dcache_timeout_msecs;
+extern int orangefs_getattr_timeout_msecs;
 extern struct list_head orangefs_superblocks;
 extern spinlock_t orangefs_superblocks_lock;
 extern struct list_head orangefs_request_list;
 extern spinlock_t orangefs_request_list_lock;
 extern wait_queue_head_t orangefs_request_list_waitq;
-extern struct list_head *htable_ops_in_progress;
-extern spinlock_t htable_ops_in_progress_lock;
+extern struct list_head *orangefs_htable_ops_in_progress;
+extern spinlock_t orangefs_htable_ops_in_progress_lock;
 extern int hash_table_size;
 
 extern const struct address_space_operations orangefs_address_operations;

fs/orangefs/orangefs-mod.c

@@ -30,8 +30,8 @@ static ulong module_parm_debug_mask;
 __u64 orangefs_gossip_debug_mask;
 int op_timeout_secs = ORANGEFS_DEFAULT_OP_TIMEOUT_SECS;
 int slot_timeout_secs = ORANGEFS_DEFAULT_SLOT_TIMEOUT_SECS;
-int dcache_timeout_msecs = 50;
-int getattr_timeout_msecs = 50;
+int orangefs_dcache_timeout_msecs = 50;
+int orangefs_getattr_timeout_msecs = 50;
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("ORANGEFS Development Team");
@@ -60,11 +60,11 @@ module_param(slot_timeout_secs, int, 0);
  * for now it's only being used to stall the op addition to the request
  * list
  */
-DEFINE_MUTEX(request_mutex);
+DEFINE_MUTEX(orangefs_request_mutex);
 
 /* hash table for storing operations waiting for matching downcall */
-struct list_head *htable_ops_in_progress;
-DEFINE_SPINLOCK(htable_ops_in_progress_lock);
+struct list_head *orangefs_htable_ops_in_progress;
+DEFINE_SPINLOCK(orangefs_htable_ops_in_progress_lock);
 
 /* list for queueing upcall operations */
 LIST_HEAD(orangefs_request_list);
@@ -100,9 +100,9 @@ static int __init orangefs_init(void)
 	if (ret < 0)
 		goto cleanup_op;
 
-	htable_ops_in_progress =
+	orangefs_htable_ops_in_progress =
 	    kcalloc(hash_table_size, sizeof(struct list_head), GFP_KERNEL);
-	if (!htable_ops_in_progress) {
+	if (!orangefs_htable_ops_in_progress) {
 		gossip_err("Failed to initialize op hashtable");
 		ret = -ENOMEM;
 		goto cleanup_inode;
@@ -110,7 +110,7 @@ static int __init orangefs_init(void)
 
 	/* initialize a doubly linked at each hash table index */
 	for (i = 0; i < hash_table_size; i++)
-		INIT_LIST_HEAD(&htable_ops_in_progress[i]);
+		INIT_LIST_HEAD(&orangefs_htable_ops_in_progress[i]);
 
 	ret = fsid_key_table_initialize();
 	if (ret < 0)
@@ -171,7 +171,7 @@ static int __init orangefs_init(void)
 	fsid_key_table_finalize();
 
 cleanup_progress_table:
-	kfree(htable_ops_in_progress);
+	kfree(orangefs_htable_ops_in_progress);
 
 cleanup_inode:
 	orangefs_inode_cache_finalize();
@@ -198,12 +198,12 @@ static void __exit orangefs_exit(void)
 	orangefs_dev_cleanup();
 	BUG_ON(!list_empty(&orangefs_request_list));
 	for (i = 0; i < hash_table_size; i++)
-		BUG_ON(!list_empty(&htable_ops_in_progress[i]));
+		BUG_ON(!list_empty(&orangefs_htable_ops_in_progress[i]));
 
 	orangefs_inode_cache_finalize();
 	op_cache_finalize();
 
-	kfree(htable_ops_in_progress);
+	kfree(orangefs_htable_ops_in_progress);
 
 	bdi_destroy(&orangefs_backing_dev_info);
 
@@ -222,10 +222,10 @@ void purge_inprogress_ops(void)
 		struct orangefs_kernel_op_s *op;
 		struct orangefs_kernel_op_s *next;
 
-		spin_lock(&htable_ops_in_progress_lock);
+		spin_lock(&orangefs_htable_ops_in_progress_lock);
 		list_for_each_entry_safe(op,
 					 next,
-					 &htable_ops_in_progress[i],
+					 &orangefs_htable_ops_in_progress[i],
 					 list) {
 			set_op_state_purged(op);
 			gossip_debug(GOSSIP_DEV_DEBUG,
@@ -235,7 +235,7 @@ void purge_inprogress_ops(void)
 				     op->op_state,
 				     current->comm);
 		}
-		spin_unlock(&htable_ops_in_progress_lock);
+		spin_unlock(&orangefs_htable_ops_in_progress_lock);
 	}
 }
 

fs/orangefs/orangefs-sysfs.c

@@ -218,14 +218,14 @@ static ssize_t sysfs_int_show(struct kobject *kobj,
 			rc = scnprintf(buf,
 				       PAGE_SIZE,
 				       "%d\n",
-				       dcache_timeout_msecs);
+				       orangefs_dcache_timeout_msecs);
 			goto out;
 		} else if (!strcmp(attr->attr.name,
 				   "getattr_timeout_msecs")) {
 			rc = scnprintf(buf,
 				       PAGE_SIZE,
 				       "%d\n",
-				       getattr_timeout_msecs);
+				       orangefs_getattr_timeout_msecs);
 			goto out;
 		} else {
 			goto out;
@@ -270,10 +270,10 @@ static ssize_t sysfs_int_store(struct kobject *kobj,
 		rc = kstrtoint(buf, 0, &slot_timeout_secs);
 		goto out;
 	} else if (!strcmp(attr->attr.name, "dcache_timeout_msecs")) {
-		rc = kstrtoint(buf, 0, &dcache_timeout_msecs);
+		rc = kstrtoint(buf, 0, &orangefs_dcache_timeout_msecs);
 		goto out;
 	} else if (!strcmp(attr->attr.name, "getattr_timeout_msecs")) {
-		rc = kstrtoint(buf, 0, &getattr_timeout_msecs);
+		rc = kstrtoint(buf, 0, &orangefs_getattr_timeout_msecs);
 		goto out;
 	} else {
 		goto out;

fs/orangefs/orangefs-utils.c

@@ -347,7 +347,8 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass)
 	inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) |
 	    orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes);
 
-	orangefs_inode->getattr_time = jiffies + getattr_timeout_msecs*HZ/1000;
+	orangefs_inode->getattr_time = jiffies +
+	    orangefs_getattr_timeout_msecs*HZ/1000;
 	ret = 0;
 out:
 	op_release(new_op);

fs/orangefs/super.c

@@ -530,8 +530,8 @@ void orangefs_kill_sb(struct super_block *sb)
 	 * make sure that ORANGEFS_DEV_REMOUNT_ALL loop that might've seen us
 	 * gets completed before we free the dang thing.
 	 */
-	mutex_lock(&request_mutex);
-	mutex_unlock(&request_mutex);
+	mutex_lock(&orangefs_request_mutex);
+	mutex_unlock(&orangefs_request_mutex);
 
 	/* free the orangefs superblock private data */
 	kfree(ORANGEFS_SB(sb));

fs/orangefs/waitqueue.c

@@ -87,9 +87,9 @@ int service_operation(struct orangefs_kernel_op_s *op,
 	 */
 	if (!(flags & ORANGEFS_OP_NO_MUTEX)) {
 		if (flags & ORANGEFS_OP_INTERRUPTIBLE)
-			ret = mutex_lock_interruptible(&request_mutex);
+			ret = mutex_lock_interruptible(&orangefs_request_mutex);
 		else
-			ret = mutex_lock_killable(&request_mutex);
+			ret = mutex_lock_killable(&orangefs_request_mutex);
 		/*
 		 * check to see if we were interrupted while waiting for
 		 * mutex
@@ -129,7 +129,7 @@ int service_operation(struct orangefs_kernel_op_s *op,
 	spin_unlock(&orangefs_request_list_lock);
 
 	if (!(flags & ORANGEFS_OP_NO_MUTEX))
-		mutex_unlock(&request_mutex);
+		mutex_unlock(&orangefs_request_mutex);
 
 	ret = wait_for_matching_downcall(op, timeout,
 					 flags & ORANGEFS_OP_INTERRUPTIBLE);
@@ -272,9 +272,9 @@ static void
 	} else if (op_state_in_progress(op)) {
 		/* op must be removed from the in progress htable */
 		spin_unlock(&op->lock);
-		spin_lock(&htable_ops_in_progress_lock);
+		spin_lock(&orangefs_htable_ops_in_progress_lock);
 		list_del_init(&op->list);
-		spin_unlock(&htable_ops_in_progress_lock);
+		spin_unlock(&orangefs_htable_ops_in_progress_lock);
 		gossip_debug(GOSSIP_WAIT_DEBUG,
 			     "Interrupted: Removed op %p"
 			     " from htable_ops_in_progress\n",