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Message-Id: <1231319784-18695-4-git-send-email-swhiteho@redhat.com>
Date: Wed, 7 Jan 2009 09:16:24 +0000
From: Steven Whitehouse <swhiteho@...hat.com>
To: linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Cc: Benjamin Marzinski <bmarzins@...hat.com>,
Steven Whitehouse <swhiteho@...hat.com>
Subject: [PATCH 3/3] GFS2: Fix typo in gfs_page_mkwrite()
From: Benjamin Marzinski <bmarzins@...hat.com>
There is a typo in gfs2_page_mkwrite()
gfs2_write_alloc_required() expects pos to be the offset in bytes. However,
instead of the page index being shifted by by PAGE_CACHE_SHIFT, it was shifted
by (PAGE_CACHE_SIZE - inode->i_blkbits). This patch simply shifts the page
index by the proper amount.
Signed-off-by: Benjamin Marzinski <bmarzins@...hat.com>
Signed-off-by: Steven Whitehouse <swhiteho@...hat.com>
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 289c5f5..93fe41b 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -342,7 +342,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
unsigned long last_index;
- u64 pos = page->index << (PAGE_CACHE_SIZE - inode->i_blkbits);
+ u64 pos = page->index << PAGE_CACHE_SHIFT;
unsigned int data_blocks, ind_blocks, rblocks;
int alloc_required = 0;
struct gfs2_holder gh;
--
1.6.0.3
--
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