[PATCH 01/17] nfs: clean up PG_* flags

[Weston Andros Adamson <dros@primarydata.com>]

Remove unused flags PG_NEED_COMMIT and PG_NEED_RESCHED.
Add comments describing how each flag is used.

Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
---
 include/linux/nfs_page.h | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 92ce578..93c7293 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -22,12 +22,10 @@
  * Valid flags for a dirty buffer
  */
 enum {
-	PG_BUSY = 0,
-	PG_MAPPED,
-	PG_CLEAN,
-	PG_NEED_COMMIT,
-	PG_NEED_RESCHED,
-	PG_COMMIT_TO_DS,
+	PG_BUSY = 0,		/* nfs_{un}lock_request */
+	PG_MAPPED,		/* page private set for buffered io */
+	PG_CLEAN,		/* write succeeded */
+	PG_COMMIT_TO_DS,	/* used by pnfs layouts */
 };
 
 struct nfs_inode;
-- 
1.8.5.2 (Apple Git-48)