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| author | Theodore Ts'o <tytso@mit.edu> | 2010-12-18 13:13:40 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-12-18 13:13:40 -0500 |
| commit | a1dd53318409ed6a27a8ce4fecf52e1326a100c0 (patch) | |
| tree | 38befc96ddbd6bb1aaeea3063ba47bc19dab09d9 /fs/jbd2/transaction.c | |
| parent | cfef2c6a559b1e37cbc7e7c1b51f82d26abf24ec (diff) | |
jbd2: use offset_in_page() instead of manual calculation
This is a port to jbd2 of a patch which Namhyung Kim <namhyung@gmail.com>
originally made to fs/jbd.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2/transaction.c')
| -rw-r--r-- | fs/jbd2/transaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 10b5e3b1ca8..80f9b2a3880 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -774,7 +774,7 @@ 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); /* Fire data frozen trigger just before we copy the data */ jbd2_buffer_frozen_trigger(jh, source + offset, |