There is a small inconsistency with nfs_readpage() vs nfs_readpages() with
regards to NFSIOS_READPAGES. In readpage we unconditionally increment
NFSIOS_READPAGES at the top, which means even if the read fails. In
readpages, we increment NFSIOS_READPAGES at the bottom based on how
many pages were successfully read. Change readpage to be consistent with
readpages and so NFSIOS_READPAGES only reflects successful, non-fscache
reads.
Signed-off-by: Dave Wysochanski <dwysocha@xxxxxxxxxx>
---
fs/nfs/read.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index a05fb3904ddf..1153c4e0a155 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -319,7 +319,6 @@ int nfs_readpage(struct file *filp, struct page *page)
dprintk("NFS: nfs_readpage (%p %ld@%lu)\n",
page, PAGE_SIZE, page_index(page));
nfs_inc_stats(inode, NFSIOS_VFSREADPAGE);
- nfs_add_stats(inode, NFSIOS_READPAGES, 1);
/*
* Try to flush any pending writes to the file..
@@ -359,6 +358,7 @@ int nfs_readpage(struct file *filp, struct page *page)
if (!PageUptodate(page) && !ret)
ret = xchg(&ctx->error, 0);
}
+ nfs_add_stats(inode, NFSIOS_READPAGES, 1);
out:
put_nfs_open_context(ctx);
return ret;
--
1.8.3.1
