linux-kernel - [PATCH 5/7] [GFS2] Pass the correct value to kunmap

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Date:	Thu, 12 Oct 2006 18:19:24 +0100
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Cc:	Russell Cattelan <cattelan@...hat.com>
Subject: [PATCH 5/7] [GFS2] Pass the correct value to kunmap_atomic

>>From c312c4fdc88514dd9522b7858eb879e610aeb9b1 Mon Sep 17 00:00:00 2001
From: Russell Cattelan <cattelan@...hat.com>
Date: Thu, 12 Oct 2006 09:23:41 -0400
Subject: [GFS2] Pass the correct value to kunmap_atomic

Pass kaddr rather than (incorrect) struct page to kunmap_atomic.

Signed-off-by: Russell Cattelan <cattelan@...hat.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>
---
 fs/gfs2/lops.c        |    4 ++--
 fs/gfs2/ops_address.c |    6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 881e337..ab6d111 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -492,7 +492,7 @@ static int gfs2_check_magic(struct buffe
 	ptr = kaddr + bh_offset(bh);
 	if (*ptr == cpu_to_be32(GFS2_MAGIC))
 		rv = 1;
-	kunmap_atomic(page, KM_USER0);
+	kunmap_atomic(kaddr, KM_USER0);
 
 	return rv;
 }
@@ -626,7 +626,7 @@ static void databuf_lo_before_commit(str
 				memcpy(bh->b_data,
 				       kaddr + bh_offset(bd2->bd_bh),
 				       sdp->sd_sb.sb_bsize);
-				kunmap_atomic(page, KM_USER0);
+				kunmap_atomic(kaddr, KM_USER0);
 				*(__be32 *)bh->b_data = 0;
 			} else {
 				bh = gfs2_log_fake_buf(sdp, bd2->bd_bh);
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 99c9337..e0599fe 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -162,7 +162,7 @@ static int zero_readpage(struct page *pa
 
 	kaddr = kmap_atomic(page, KM_USER0);
 	memset(kaddr, 0, PAGE_CACHE_SIZE);
-	kunmap_atomic(page, KM_USER0);
+	kunmap_atomic(kaddr, KM_USER0);
 
 	SetPageUptodate(page);
 
@@ -195,7 +195,7 @@ static int stuffed_readpage(struct gfs2_
 	memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
 	       ip->i_di.di_size);
 	memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size);
-	kunmap_atomic(page, KM_USER0);
+	kunmap_atomic(kaddr, KM_USER0);
 
 	brelse(dibh);
 
@@ -485,7 +485,7 @@ static int gfs2_commit_write(struct file
 		kaddr = kmap_atomic(page, KM_USER0);
 		memcpy(dibh->b_data + sizeof(struct gfs2_dinode) + from,
 		       kaddr + from, to - from);
-		kunmap_atomic(page, KM_USER0);
+		kunmap_atomic(kaddr, KM_USER0);
 
 		SetPageUptodate(page);
 
-- 
1.4.1



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