task IO accounting: move all IO statistics in struct task_io_accounting

Simplify the code of include/linux/task_io_accounting.h.

It is also more reasonable to have all the task i/o-related statistics in a
single struct (task_io_accounting).

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index f9cd2561689c..8ebcd8532dfb 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -94,14 +94,14 @@ void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
                 stats->hiwater_vm    = mm->hiwater_vm * PAGE_SIZE / KB;
                 mmput(mm);
         }
-        stats->read_char        = p->ioac.chr.rchar;
-        stats->write_char       = p->ioac.chr.wchar;
-        stats->read_syscalls    = p->ioac.chr.syscr;
-        stats->write_syscalls   = p->ioac.chr.syscw;
+        stats->read_char        = p->ioac.rchar;
+        stats->write_char       = p->ioac.wchar;
+        stats->read_syscalls    = p->ioac.syscr;
+        stats->write_syscalls   = p->ioac.syscw;
 #ifdef CONFIG_TASK_IO_ACCOUNTING
-        stats->read_bytes       = p->ioac.blk.read_bytes;
-        stats->write_bytes      = p->ioac.blk.write_bytes;
-        stats->cancelled_write_bytes = p->ioac.blk.cancelled_write_bytes;
+        stats->read_bytes       = p->ioac.read_bytes;
+        stats->write_bytes      = p->ioac.write_bytes;
+        stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes;
 #else
         stats->read_bytes       = 0;
         stats->write_bytes      = 0;