[PATCH 09/17] SQUASHME cleanup read_pagelist declaration and comment

[andros@netapp.com]

From: Andy Adamson <andros@netapp.com>

squash into pnfs_submit-wave3-generic-read

Signed-off-by: Andy Adamson <andros@netapp.com>
---
 fs/nfs/pnfs.h |   12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 218cdfe..b47598c 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -76,15 +76,11 @@ struct pnfs_layoutdriver_type {
 	/* test for nfs page cache coalescing */
 	int (*pg_test)(struct nfs_pageio_descriptor *, struct nfs_page *, struct nfs_page *);
 
-	/* read and write pagelist should return just 0 (to indicate that
-	 * the layout code has taken control) or 1 (to indicate that the
-	 * layout code wishes to fall back to normal nfs.)  If 0 is returned,
-	 * information can be passed back through nfs_data->res and
-	 * nfs_data->task.tk_status, and the appropriate pnfs done function
-	 * MUST be called.
+	/*
+	 * Return PNFS_ATTEMPTED to indicate the layout code has attempted
+	 * I/O, else return PNFS_NOT_ATTEMPTED to fall back to normal NFS
 	 */
-	enum pnfs_try_status
-	(*read_pagelist) (struct nfs_read_data *nfs_data);
+	enum pnfs_try_status (*read_pagelist) (struct nfs_read_data *nfs_data);
 };
 
 struct pnfs_layout_hdr {
-- 
1.6.6