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| author | Fred Isaman <iisaman@netapp.com> | 2011-03-01 01:34:14 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-11 15:38:42 -0500 |
| commit | 94ad1c80e28f9700c84b4d28d1e5302ddf63a6fd (patch) | |
| tree | 2c600c1f8e85648c7693b5f0018b5d0b7e960b5f /fs/nfs/read.c | |
| parent | d684d2ae10a4f95d3035abf698d7d611ff2cd279 (diff) | |
| download | linux-94ad1c80e28f9700c84b4d28d1e5302ddf63a6fd.tar.bz2 | |
NFSv4.1: coelesce across layout stripes
Add a pg_test layout driver hook which is used to avoid coelescing I/O across
layout stripes.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Tao Guo <guotao@nrchpc.ac.cn>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/read.c')
| -rw-r--r-- | fs/nfs/read.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c index aedcaa7f291f..2a2765975e1f 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -626,6 +626,7 @@ int nfs_readpages(struct file *filp, struct address_space *mapping, goto read_complete; /* all pages were read */ pnfs_update_layout(inode, desc.ctx, IOMODE_READ); + pnfs_pageio_init_read(&pgio, inode); if (rsize < PAGE_CACHE_SIZE) nfs_pageio_init(&pgio, inode, nfs_pagein_multi, rsize, 0); else |