CIFS: Use separate var for the number of bytes got in async read
and don't mix it with the number of bytes that was requested.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index f33ff4c..0012e1e 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1059,6 +1059,7 @@
struct address_space *mapping;
__u64 offset;
unsigned int bytes;
+ unsigned int got_bytes;
pid_t pid;
int result;
struct work_struct work;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 1b3f0ae..1781a03 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1513,7 +1513,7 @@
return length;
server->total_read += length;
- rdata->bytes = length;
+ rdata->got_bytes = length;
cifs_dbg(FYI, "total_read=%u buflen=%u remaining=%u\n",
server->total_read, buflen, data_len);
@@ -1556,8 +1556,8 @@
rc);
}
/* FIXME: should this be counted toward the initiating task? */
- task_io_account_read(rdata->bytes);
- cifs_stats_bytes_read(tcon, rdata->bytes);
+ task_io_account_read(rdata->got_bytes);
+ cifs_stats_bytes_read(tcon, rdata->got_bytes);
break;
case MID_REQUEST_SUBMITTED:
case MID_RETRY_NEEDED:
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 9582ded..3d5d488 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2840,7 +2840,7 @@
static int
cifs_readdata_to_iov(struct cifs_readdata *rdata, struct iov_iter *iter)
{
- size_t remaining = rdata->bytes;
+ size_t remaining = rdata->got_bytes;
unsigned int i;
for (i = 0; i < rdata->nr_pages; i++) {
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index c31e5a0..c66ae41 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1723,8 +1723,8 @@
rc);
}
/* FIXME: should this be counted toward the initiating task? */
- task_io_account_read(rdata->bytes);
- cifs_stats_bytes_read(tcon, rdata->bytes);
+ task_io_account_read(rdata->got_bytes);
+ cifs_stats_bytes_read(tcon, rdata->got_bytes);
break;
case MID_REQUEST_SUBMITTED:
case MID_RETRY_NEEDED: