[rtems commit] libblock: Remove superfluous volatile qualifier

[Joel Sherrill]

Module:    rtems
Branch:    master
Commit:    27ca97f397a30cc72e26957df345bb5be55e2730
Changeset: http://git.rtems.org/rtems/commit/?id=27ca97f397a30cc72e26957df345bb5be55e2730

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Feb 28 15:59:04 2012 +0100

libblock: Remove superfluous volatile qualifier

All these variables are protected by the bdbuf cache mutex.

---

 cpukit/libblock/include/rtems/bdbuf.h |    6 +++---
 cpukit/libblock/src/bdbuf.c           |   12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/cpukit/libblock/include/rtems/bdbuf.h b/cpukit/libblock/include/rtems/bdbuf.h
index 33db50a..11b4132 100644
--- a/cpukit/libblock/include/rtems/bdbuf.h
+++ b/cpukit/libblock/include/rtems/bdbuf.h
@@ -321,13 +321,13 @@ typedef struct rtems_bdbuf_buffer
 
   unsigned char*    buffer;     /**< Pointer to the buffer memory area */
 
-  volatile rtems_bdbuf_buf_state state;  /**< State of the buffer. */
+  rtems_bdbuf_buf_state state;           /**< State of the buffer. */
 
-  volatile uint32_t  waiters;    /**< The number of threads waiting on this
+  uint32_t waiters;              /**< The number of threads waiting on this
                                   * buffer. */
   rtems_bdbuf_group* group;      /**< Pointer to the group of BDs this BD is
                                   * part of. */
-  volatile uint32_t  hold_timer; /**< Timer to indicate how long a buffer
+  uint32_t hold_timer;           /**< Timer to indicate how long a buffer
                                   * has been held in the cache modified. */
 
   int   references;              /**< Allow reference counting by owner. */
diff --git a/cpukit/libblock/src/bdbuf.c b/cpukit/libblock/src/bdbuf.c
index 3a1196c..53782e8 100644
--- a/cpukit/libblock/src/bdbuf.c
+++ b/cpukit/libblock/src/bdbuf.c
@@ -74,7 +74,7 @@ typedef struct rtems_bdbuf_swapout_worker
                                           * idle. */
   rtems_id                     id;       /**< The id of the task so we can wake
                                           * it. */
-  volatile bool                enabled;  /**< The worker is enabled. */
+  bool                         enabled;  /**< The worker is enabled. */
   rtems_bdbuf_swapout_transfer transfer; /**< The transfer data for this
                                           * thread. */
 } rtems_bdbuf_swapout_worker;
@@ -83,7 +83,7 @@ typedef struct rtems_bdbuf_swapout_worker
  * Buffer waiters synchronization.
  */
 typedef struct rtems_bdbuf_waiters {
-  volatile unsigned count;
+  unsigned count;
   rtems_id sema;
 } rtems_bdbuf_waiters;
 
@@ -93,7 +93,7 @@ typedef struct rtems_bdbuf_waiters {
 typedef struct rtems_bdbuf_cache
 {
   rtems_id            swapout;           /**< Swapout task ID */
-  volatile bool       swapout_enabled;   /**< Swapout is only running if
+  bool                swapout_enabled;   /**< Swapout is only running if
                                           * enabled. Set to false to kill the
                                           * swap out task. It deletes itself. */
   rtems_chain_control swapout_workers;   /**< The work threads for the swapout
@@ -111,9 +111,9 @@ typedef struct rtems_bdbuf_cache
   rtems_id            lock;              /**< The cache lock. It locks all
                                           * cache data, BD and lists. */
   rtems_id            sync_lock;         /**< Sync calls block writes. */
-  volatile bool       sync_active;       /**< True if a sync is active. */
-  volatile rtems_id   sync_requester;    /**< The sync requester. */
-  volatile dev_t      sync_device;       /**< The device to sync and
+  bool                sync_active;       /**< True if a sync is active. */
+  rtems_id            sync_requester;    /**< The sync requester. */
+  dev_t               sync_device;       /**< The device to sync and
                                           * BDBUF_INVALID_DEV not a device
                                           * sync. */