The patch titled
D-cache aliasing issue in __block_prepare_write
has been removed from the -mm tree. Its filename is
d-cache-aliasing-issue-in-__block_prepare_write.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: D-cache aliasing issue in __block_prepare_write
From: Monakhov Dmitriy <dmonakhov@xxxxxxxxxx>
A couple of flush_dcache_page()s are missing on the I/O-error paths.
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/buffer.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/buffer.c~d-cache-aliasing-issue-in-__block_prepare_write fs/buffer.c
--- a/fs/buffer.c~d-cache-aliasing-issue-in-__block_prepare_write
+++ a/fs/buffer.c
@@ -1854,6 +1854,7 @@ static int __block_prepare_write(struct
clear_buffer_new(bh);
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr+block_start, 0, bh->b_size);
+ flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
set_buffer_uptodate(bh);
mark_buffer_dirty(bh);
@@ -2360,6 +2361,7 @@ failed:
*/
kaddr = kmap_atomic(page, KM_USER0);
memset(kaddr, 0, PAGE_CACHE_SIZE);
+ flush_dcache_page(page);
kunmap_atomic(kaddr, KM_USER0);
SetPageUptodate(page);
set_page_dirty(page);
_
Patches currently in -mm which might be from dmonakhov@xxxxxxxxxx are
origin.patch
-
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