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authorPavel Shilovsky <pshilovsky@samba.org>2014-07-10 10:03:29 +0400
committerSteve French <smfrench@gmail.com>2014-08-02 01:23:04 -0500
commit34a54d617785e5ecafe1605df7aa689ec193964c (patch)
treebd22b7234faca95e6eefb113ab5709a5952ef289 /fs
parent3fabaa274635231c01f3bd0d10c4d353aa200673 (diff)
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsglob.h1
-rw-r--r--fs/cifs/cifssmb.c6
-rw-r--r--fs/cifs/file.c2
-rw-r--r--fs/cifs/smb2pdu.c4
4 files changed, 7 insertions, 6 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index f33ff4c7b8a8..0012e1e291d4 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1059,6 +1059,7 @@ struct cifs_readdata {
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 1b3f0aef01e3..1781a03aed5e 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1513,7 +1513,7 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
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 @@ cifs_readv_callback(struct mid_q_entry *mid)
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 9582ded2332e..3d5d48838519 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2840,7 +2840,7 @@ cifs_uncached_readdata_release(struct kref *refcount)
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 c31e5a060338..c66ae4183bd3 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1723,8 +1723,8 @@ smb2_readv_callback(struct mid_q_entry *mid)
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: