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Subject[PATCH 11/17] fs/reiserfs: Use memcpy_from_page()
Date
From: Ira Weiny <ira.weiny@intel.com>

Remove the open coding of kmap/memcpy/kunmap and use the new
memcpy_from_page() function.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
fs/reiserfs/journal.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index e98f99338f8f..e288bbbe80ff 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -4184,7 +4184,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
/* copy all the real blocks into log area. dirty log blocks */
if (buffer_journaled(cn->bh)) {
struct buffer_head *tmp_bh;
- char *addr;
struct page *page;
tmp_bh =
journal_getblk(sb,
@@ -4194,11 +4193,9 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
SB_ONDISK_JOURNAL_SIZE(sb)));
set_buffer_uptodate(tmp_bh);
page = cn->bh->b_page;
- addr = kmap(page);
- memcpy(tmp_bh->b_data,
- addr + offset_in_page(cn->bh->b_data),
- cn->bh->b_size);
- kunmap(page);
+ memcpy_from_page(tmp_bh->b_data, page,
+ offset_in_page(cn->bh->b_data),
+ cn->bh->b_size);
mark_buffer_dirty(tmp_bh);
jindex++;
set_buffer_journal_dirty(cn->bh);
--
2.28.0.rc0.12.gb6a658bd00c9
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