From 34a54d617785e5ecafe1605df7aa689ec193964c Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Thu, 10 Jul 2014 10:03:29 +0400 Subject: [PATCH] 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 Signed-off-by: Steve French --- fs/cifs/cifsglob.h | 1 + fs/cifs/cifssmb.c | 6 +++--- fs/cifs/file.c | 2 +- fs/cifs/smb2pdu.c | 4 ++-- 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: -- 2.20.1