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>
diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index 761a1d8..5584dfa 100644
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -510,18 +510,18 @@
 
 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;