From: Weston Andros Adamson <dros@primarydata.com>
Date: Thu, 15 May 2014 15:56:41 +0000 (-0400)
Subject: nfs: clean up PG_* flags
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12c05792599ec57ebab33096b2c75b863dfe6ea4;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

nfs: clean up PG_* flags

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>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
---

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index c6a587f7118f..eb2eb6396874 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;