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| author | Namhyung Kim <namhyung@gmail.com> | 2010-10-05 01:03:40 +0900 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2010-10-28 01:30:02 +0200 |
| commit | 8117f98c058dbe463eaba2b51b84d19bd5d78804 (patch) | |
| tree | 5388a8183faff48ac48105396d55fec255c93185 /fs/jbd | |
| parent | 2b23976908d9f8406f8b10b86c83b2cee302bc7d (diff) | |
| download | lwn-8117f98c058dbe463eaba2b51b84d19bd5d78804.tar.gz lwn-8117f98c058dbe463eaba2b51b84d19bd5d78804.zip | |
jbd: Use offset_in_page() instead of manual calculation
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/jbd')
| -rw-r--r-- | fs/jbd/transaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index 981449ca8f18..c9bb7a73f8fd 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -711,7 +711,7 @@ done: J_EXPECT_JH(jh, buffer_uptodate(jh2bh(jh)), "Possible IO failure.\n"); page = jh2bh(jh)->b_page; - offset = ((unsigned long) jh2bh(jh)->b_data) & ~PAGE_MASK; + offset = offset_in_page(jh2bh(jh)->b_data); source = kmap_atomic(page, KM_USER0); memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size); kunmap_atomic(source, KM_USER0); |