diff options
Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
| -rw-r--r-- | fs/nfs/nfs4filelayout.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 02d8170..e40523f 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -796,6 +796,16 @@ filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio, { BUG_ON(pgio->pg_lseg != NULL); + if (req->wb_offset != req->wb_pgbase) { + /* + * Handling unaligned pages is difficult, because have to + * somehow split a req in two in certain cases in the + * pg.test code. Avoid this by just not using pnfs + * in this case. + */ + nfs_pageio_reset_read_mds(pgio); + return; + } pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, req->wb_context, 0, @@ -815,6 +825,8 @@ filelayout_pg_init_write(struct nfs_pageio_descriptor *pgio, BUG_ON(pgio->pg_lseg != NULL); + if (req->wb_offset != req->wb_pgbase) + goto out_mds; pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, req->wb_context, 0, |