[PATCH] io-accounting-read-accounting cifs fix
authorAndrew Morton <akpm@osdl.org>
Sun, 10 Dec 2006 10:19:44 +0000 (02:19 -0800)
committerLinus Torvalds <torvalds@woody.osdl.org>
Sun, 10 Dec 2006 17:55:41 +0000 (09:55 -0800)
CIFS implements ->readpages and doesn't use read_cache_pages().  So wire the
read IO accounting up within CIFS.

Cc: Jay Lan <jlan@sgi.com>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Chris Sturtivant <csturtiv@sgi.com>
Cc: Tony Ernst <tee@sgi.com>
Cc: Guillaume Thouvenin <guillaume.thouvenin@bull.net>
Cc: Steven French <sfrench@us.ibm.com>
Cc: David Wright <daw@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
fs/cifs/file.c

index 1aa95a50cac25baf08cf856ecdd0bf60e662344c..0f05cab5d24ad245ec6f42bf8efa7e44dad58bc2 100644 (file)
@@ -29,6 +29,7 @@
 #include <linux/pagevec.h>
 #include <linux/smp_lock.h>
 #include <linux/writeback.h>
+#include <linux/task_io_accounting_ops.h>
 #include <linux/delay.h>
 #include <asm/div64.h>
 #include "cifsfs.h"
@@ -1812,6 +1813,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
                        cFYI(1, ("Read error in readpages: %d", rc));
                        break;
                } else if (bytes_read > 0) {
+                       task_io_account_read(bytes_read);
                        pSMBr = (struct smb_com_read_rsp *)smb_read_data;
                        cifs_copy_cache_pages(mapping, page_list, bytes_read,
                                smb_read_data + 4 /* RFC1001 hdr */ +