[PATCH] io-accounting: direct-io

Account for direct-io. Cc: Jay Lan <[email protected]> Cc: Shailabh Nagar <[email protected]> Cc: Balbir Singh <[email protected]> Cc: Chris Sturtivant <[email protected]> Cc: Tony Ernst <[email protected]> Cc: Guillaume Thouvenin <[email protected]> Cc: David Wright <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
jbg · Dec 10, 2006 · 98c4d57 · 98c4d57
1 parent 6f88cc2
commit 98c4d57
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/fs/direct-io.c b/fs/direct-io.c
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
+#include <linux/task_io_accounting_ops.h>
 #include <linux/bio.h>
 #include <linux/wait.h>
 #include <linux/err.h>
@@ -675,6 +676,13 @@ submit_page_section(struct dio *dio, struct page *page,
 {
 	int ret = 0;
 
+	if (dio->rw & WRITE) {
+		/*
+		 * Read accounting is performed in submit_bio()
+		 */
+		task_io_account_write(len);
+	}
+
 	/*
 	 * Can we just grow the current page's presence in the dio?
 	 */