X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Ftask_io_accounting_ops.h;h=1218733ec6b58c27ea894f13a7b61f2f7f9d1623;hb=5c34202b8bf942da411b6599668a76b07449bbfd;hp=df2a319106b2bd82e1518fdbf307d97bb96c8ed5;hpb=e9ccb79927225d8cd8d022a7c09bfb2fad935b89;p=linux-2.6

diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index df2a319106..1218733ec6 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -10,11 +10,29 @@ static inline void task_io_account_read(size_t bytes)
 	current->ioac.read_bytes += bytes;
 }
 
+/*
+ * We approximate number of blocks, because we account bytes only.
+ * A 'block' is 512 bytes
+ */
+static inline unsigned long task_io_get_inblock(const struct task_struct *p)
+{
+	return p->ioac.read_bytes >> 9;
+}
+
 static inline void task_io_account_write(size_t bytes)
 {
 	current->ioac.write_bytes += bytes;
 }
 
+/*
+ * We approximate number of blocks, because we account bytes only.
+ * A 'block' is 512 bytes
+ */
+static inline unsigned long task_io_get_oublock(const struct task_struct *p)
+{
+	return p->ioac.write_bytes >> 9;
+}
+
 static inline void task_io_account_cancelled_write(size_t bytes)
 {
 	current->ioac.cancelled_write_bytes += bytes;
@@ -31,10 +49,20 @@ static inline void task_io_account_read(size_t bytes)
 {
 }
 
+static inline unsigned long task_io_get_inblock(const struct task_struct *p)
+{
+	return 0;
+}
+
 static inline void task_io_account_write(size_t bytes)
 {
 }
 
+static inline unsigned long task_io_get_oublock(const struct task_struct *p)
+{
+	return 0;
+}
+
 static inline void task_io_account_cancelled_write(size_t bytes)
 {
 }