4 files changed, 59 insertions, 21 deletions

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index ffe479ba0779..35a78415accc 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -748,6 +748,7 @@
 #define PCI_VENDOR_ID_TI                0x104c
 #define PCI_DEVICE_ID_TI_TVP4020        0x3d07
 #define PCI_DEVICE_ID_TI_4450           0x8011
+#define PCI_DEVICE_ID_TI_TSB43AB22      0x8023
 #define PCI_DEVICE_ID_TI_XX21_XX11      0x8031
 #define PCI_DEVICE_ID_TI_XX21_XX11_FM   0x8033
 #define PCI_DEVICE_ID_TI_XX21_XX11_SD   0x8034
diff --git a/include/linux/sched.h b/include/linux/sched.h
index f59318a0099b..5270d449ff9d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -505,9 +505,6 @@ struct signal_struct {
         unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
         unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
         unsigned long inblock, oublock, cinblock, coublock;
-#ifdef CONFIG_TASK_XACCT
-        u64 rchar, wchar, syscr, syscw;
-#endif
         struct task_io_accounting ioac;
 
         /*
@@ -1256,10 +1253,6 @@ struct task_struct {
 
         unsigned long ptrace_message;
         siginfo_t *last_siginfo; /* For ptrace use.  */
-#ifdef CONFIG_TASK_XACCT
-/* i/o counters(bytes read/written, #syscalls */
-        u64 rchar, wchar, syscr, syscw;
-#endif
         struct task_io_accounting ioac;
 #if defined(CONFIG_TASK_XACCT)
         u64 acct_rss_mem1;      /* accumulated rss usage */
@@ -2190,22 +2183,22 @@ extern long sched_group_rt_period(struct task_group *tg);
 #ifdef CONFIG_TASK_XACCT
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
 {
-        tsk->rchar += amt;
+        tsk->ioac.rchar += amt;
 }
 
 static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
 {
-        tsk->wchar += amt;
+        tsk->ioac.wchar += amt;
 }
 
 static inline void inc_syscr(struct task_struct *tsk)
 {
-        tsk->syscr++;
+        tsk->ioac.syscr++;
 }
 
 static inline void inc_syscw(struct task_struct *tsk)
 {
-        tsk->syscw++;
+        tsk->ioac.syscw++;
 }
 #else
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 44d00e9cceea..5e88afc9a2fb 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -8,8 +8,19 @@
  * Blame akpm@osdl.org for all this.
  */
 
-#ifdef CONFIG_TASK_IO_ACCOUNTING
 struct task_io_accounting {
+#ifdef CONFIG_TASK_XACCT
+        /* bytes read */
+        u64 rchar;
+        /*  bytes written */
+        u64 wchar;
+        /* # of read syscalls */
+        u64 syscr;
+        /* # of write syscalls */
+        u64 syscw;
+#endif /* CONFIG_TASK_XACCT */
+
+#ifdef CONFIG_TASK_IO_ACCOUNTING
         /*
          * The number of bytes which this task has caused to be read from
          * storage.
@@ -30,8 +41,5 @@ struct task_io_accounting {
          * information loss in doing that.
          */
         u64 cancelled_write_bytes;
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
 };
-#else
-struct task_io_accounting {
-};
-#endif
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index ff46c6fad79d..4d090f9ee608 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -40,9 +40,17 @@ static inline void task_io_account_cancelled_write(size_t bytes)
         current->ioac.cancelled_write_bytes += bytes;
 }
 
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
 {
-        memset(&tsk->ioac, 0, sizeof(tsk->ioac));
+        memset(ioac, 0, sizeof(*ioac));
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+                                                struct task_io_accounting *src)
+{
+        dst->read_bytes += src->read_bytes;
+        dst->write_bytes += src->write_bytes;
+        dst->cancelled_write_bytes += src->cancelled_write_bytes;
 }
 
 #else
@@ -69,9 +77,37 @@ static inline void task_io_account_cancelled_write(size_t bytes)
 {
 }
 
-static inline void task_io_accounting_init(struct task_struct *tsk)
+static inline void task_io_accounting_init(struct task_io_accounting *ioac)
+{
+}
+
+static inline void task_blk_io_accounting_add(struct task_io_accounting *dst,
+                                                struct task_io_accounting *src)
 {
 }
 
-#endif          /* CONFIG_TASK_IO_ACCOUNTING */
-#endif          /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */
+#endif /* CONFIG_TASK_IO_ACCOUNTING */
+
+#ifdef CONFIG_TASK_XACCT
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+                                                struct task_io_accounting *src)
+{
+        dst->rchar += src->rchar;
+        dst->wchar += src->wchar;
+        dst->syscr += src->syscr;
+        dst->syscw += src->syscw;
+}
+#else
+static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
+                                                struct task_io_accounting *src)
+{
+}
+#endif /* CONFIG_TASK_XACCT */
+
+static inline void task_io_accounting_add(struct task_io_accounting *dst,
+                                                struct task_io_accounting *src)
+{
+        task_chr_io_accounting_add(dst, src);
+        task_blk_io_accounting_add(dst, src);
+}
+#endif /* __TASK_IO_ACCOUNTING_OPS_INCLUDED */