The patch titled
gfs2: use zero_user_page
has been added to the -mm tree. Its filename is
gfs2-use-zero_user_page.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: gfs2: use zero_user_page
From: Nate Diller <nate.diller@xxxxxxxxx>
Use zero_user_page() instead of open-coding it.
Signed-off-by: Nate Diller <nate.diller@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/gfs2/bmap.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff -puN fs/gfs2/bmap.c~gfs2-use-zero_user_page fs/gfs2/bmap.c
--- a/fs/gfs2/bmap.c~gfs2-use-zero_user_page
+++ a/fs/gfs2/bmap.c
@@ -885,7 +885,6 @@ static int gfs2_block_truncate_page(stru
unsigned blocksize, iblock, length, pos;
struct buffer_head *bh;
struct page *page;
- void *kaddr;
int err;
page = grab_cache_page(mapping, index);
@@ -933,10 +932,7 @@ static int gfs2_block_truncate_page(stru
if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip))
gfs2_trans_add_bh(ip->i_gl, bh, 0);
- kaddr = kmap_atomic(page, KM_USER0);
- memset(kaddr + offset, 0, length);
- flush_dcache_page(page);
- kunmap_atomic(kaddr, KM_USER0);
+ zero_user_page(page, offset, length, KM_USER0);
unlock:
unlock_page(page);
_
Patches currently in -mm which might be from nate.diller@xxxxxxxxx are
cifs-use-simple_prepare_write-to-zero-page-data.patch
ext4-use-simple_prepare_write-to-zero-page-data.patch
fs-convert-core-functions-to-zero_user_page.patch
fs-convert-core-functions-to-zero_user_page-pass-kmap-type.patch
affs-use-zero_user_page.patch
ecryptfs-use-zero_user_page.patch
ext3-use-zero_user_page.patch
ext4-use-zero_user_page.patch
gfs2-use-zero_user_page.patch
nfs-use-zero_user_page.patch
ntfs-use-zero_user_page.patch
ocfs2-use-zero_user_page.patch
reiserfs-use-zero_user_page.patch
xfs-use-zero_user_page.patch
fs-deprecate-memclear_highpage_flush.patch
reiser4-use-zero_user_page.patch
reiser4-use-simple_prepare_write-to-zero-page-data.patch
-
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