block: rename the return of two functions

If we rename the return of alloc_io_context() and get_io_context() from
"ret" to "ioc" the code get's (a bit) more readable and (a lot) more
grepable.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 20 insertions, 20 deletions

diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index c898049dafd5..bfb0493d12af 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -82,26 +82,26 @@ void exit_io_context(struct task_struct *task)
 
 struct io_context *alloc_io_context(gfp_t gfp_flags, int node)
 {
-        struct io_context *ret;
+        struct io_context *ioc;
 
-        ret = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node);
-        if (ret) {
-                atomic_long_set(&ret->refcount, 1);
-                atomic_set(&ret->nr_tasks, 1);
-                spin_lock_init(&ret->lock);
-                ret->ioprio_changed = 0;
-                ret->ioprio = 0;
-                ret->last_waited = 0; /* doesn't matter... */
-                ret->nr_batch_requests = 0; /* because this is 0 */
-                INIT_RADIX_TREE(&ret->radix_root, GFP_ATOMIC | __GFP_HIGH);
-                INIT_HLIST_HEAD(&ret->cic_list);
-                ret->ioc_data = NULL;
+        ioc = kmem_cache_alloc_node(iocontext_cachep, gfp_flags, node);
+        if (ioc) {
+                atomic_long_set(&ioc->refcount, 1);
+                atomic_set(&ioc->nr_tasks, 1);
+                spin_lock_init(&ioc->lock);
+                ioc->ioprio_changed = 0;
+                ioc->ioprio = 0;
+                ioc->last_waited = 0; /* doesn't matter... */
+                ioc->nr_batch_requests = 0; /* because this is 0 */
+                INIT_RADIX_TREE(&ioc->radix_root, GFP_ATOMIC | __GFP_HIGH);
+                INIT_HLIST_HEAD(&ioc->cic_list);
+                ioc->ioc_data = NULL;
 #if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
-                ret->cgroup_changed = 0;
+                ioc->cgroup_changed = 0;
 #endif
         }
 
-        return ret;
+        return ioc;
 }
 
 /*
@@ -139,19 +139,19 @@ struct io_context *current_io_context(gfp_t gfp_flags, int node)
  */
 struct io_context *get_io_context(gfp_t gfp_flags, int node)
 {
-        struct io_context *ret = NULL;
+        struct io_context *ioc = NULL;
 
         /*
          * Check for unlikely race with exiting task. ioc ref count is
          * zero when ioc is being detached.
          */
         do {
-                ret = current_io_context(gfp_flags, node);
-                if (unlikely(!ret))
+                ioc = current_io_context(gfp_flags, node);
+                if (unlikely(!ioc))
                         break;
-        } while (!atomic_long_inc_not_zero(&ret->refcount));
+        } while (!atomic_long_inc_not_zero(&ioc->refcount));
 
-        return ret;
+        return ioc;
 }
 EXPORT_SYMBOL(get_io_context);