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-rw-r--r--fs/nfs/pnfs.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index c7be9b997f5..9304984bde8 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1788,10 +1788,16 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio,
seg_end = end_offset(pgio->pg_lseg->pls_range.offset,
pgio->pg_lseg->pls_range.length);
req_start = req_offset(req);
- WARN_ON_ONCE(req_start > seg_end);
+ WARN_ON_ONCE(req_start >= seg_end);
/* start of request is past the last byte of this segment */
- if (req_start >= seg_end)
+ if (req_start >= seg_end) {
+ /* reference the new lseg */
+ if (pgio->pg_ops->pg_cleanup)
+ pgio->pg_ops->pg_cleanup(pgio);
+ if (pgio->pg_ops->pg_init)
+ pgio->pg_ops->pg_init(pgio, req);
return 0;
+ }
/* adjust 'size' iff there are fewer bytes left in the
* segment than what nfs_generic_pg_test returned */