5 files changed, 10 insertions, 0 deletions

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index c47a46eaf905..23d170bc44f4 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -447,6 +447,7 @@ static ssize_t nfs_direct_read(struct kiocb *iocb, const struct iovec *iov,
         result = nfs_direct_read_schedule_iovec(dreq, iov, nr_segs, pos);
         if (!result)
                 result = nfs_direct_wait(dreq);
+        NFS_I(inode)->read_io += result;
 out_release:
         nfs_direct_req_release(dreq);
 out:
@@ -785,6 +786,7 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq,
                 pos += vec->iov_len;
         }
         nfs_pageio_complete(&desc);
+        NFS_I(dreq->inode)->write_io += desc.pg_bytes_written;
 
         /*
          * If no bytes were started, return the error, and let the
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 8eda8a6644c3..56311ca5f9f8 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -424,6 +424,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
 
         if (status < 0)
                 return status;
+        NFS_I(mapping->host)->write_io += copied;
         return copied;
 }
 
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 889f7e5e92e1..a6f5fbbe9b9c 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -323,6 +323,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
                 inode->i_gid = -2;
                 inode->i_blocks = 0;
                 memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
+                nfsi->write_io = 0;
+                nfsi->read_io = 0;
 
                 nfsi->read_cache_jiffies = fattr->time_start;
                 nfsi->attr_gencount = fattr->gencount;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index cbcb6aea58a3..6620606f2687 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -395,6 +395,9 @@ mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo,
         dprintk("%s:Begin lo %p\n", __func__, lo);
 
         if (list_empty(&lo->plh_segs)) {
+                /* Reset MDS Threshold I/O counters */
+                NFS_I(lo->plh_inode)->write_io = 0;
+                NFS_I(lo->plh_inode)->read_io = 0;
                 if (!test_and_set_bit(NFS_LAYOUT_DESTROYED, &lo->plh_flags))
                         put_layout_hdr_locked(lo);
                 return 0;
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 2cfdd7785411..86ced7836214 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -152,6 +152,7 @@ int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,
         nfs_pageio_init_read(&pgio, inode, &nfs_async_read_completion_ops);
         nfs_pageio_add_request(&pgio, new);
         nfs_pageio_complete(&pgio);
+        NFS_I(inode)->read_io += pgio.pg_bytes_written;
         return 0;
 }
 
@@ -656,6 +657,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping,
         ret = read_cache_pages(mapping, pages, readpage_async_filler, &desc);
 
         nfs_pageio_complete(&pgio);
+        NFS_I(inode)->read_io += pgio.pg_bytes_written;
         npages = (pgio.pg_bytes_written + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
         nfs_add_stats(inode, NFSIOS_READPAGES, npages);
 read_complete: