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| author | Andy Adamson <andros@netapp.com> | 2012-05-24 21:13:24 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-25 00:15:48 +0400 |
| commit | 2701d086dbfca03b2d28b25c6dc11dd78d0e26ad (patch) | |
| tree | 69f81dd2a979600cd3ff4f1861c6d7ef5c25b1ed /fs/nfs/read.c | |
| parent | 82be417aa37c05116e310b0f2171187ea389f89b (diff) | |
| download | linux-2701d086dbfca03b2d28b25c6dc11dd78d0e26ad.tar.xz | |
NFSv4.1 add nfs_inode book keeping for mdsthreshold
Keep track of the number of bytes read or written via buffered, direct, and
mem-mapped i/o for use by mdsthreshold size_io hints.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/read.c')
| -rw-r--r-- | fs/nfs/read.c | 2 |
1 files changed, 2 insertions, 0 deletions
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: |