From: Andrew Morton <[email protected]>
CIFS implements ->readpages and doesn't use read_cache_pages(). So wire the
read IO accounting up within CIFS.
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: Steven French <[email protected]>
Cc: David Wright <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
fs/cifs/file.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/cifs/file.c~io-accounting-read-accounting-cifs-fix fs/cifs/file.c
--- a/fs/cifs/file.c~io-accounting-read-accounting-cifs-fix
+++ a/fs/cifs/file.c
@@ -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"
@@ -1813,6 +1814,7 @@ static int cifs_readpages(struct file *f
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 */ +
_
-
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