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authorTheodore Ts'o <tytso@mit.edu>2010-12-18 13:13:40 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-12-18 13:13:40 -0500
commita1dd53318409ed6a27a8ce4fecf52e1326a100c0 (patch)
tree38befc96ddbd6bb1aaeea3063ba47bc19dab09d9 /fs/jbd2
parentcfef2c6a559b1e37cbc7e7c1b51f82d26abf24ec (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 originally made to fs/jbd.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')
-rw-r--r--fs/jbd2/transaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 10b5e3b1ca8b..80f9b2a3880b 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -774,7 +774,7 @@ done:
774 J_EXPECT_JH(jh, buffer_uptodate(jh2bh(jh)), 774 J_EXPECT_JH(jh, buffer_uptodate(jh2bh(jh)),
775 "Possible IO failure.\n"); 775 "Possible IO failure.\n");
776 page = jh2bh(jh)->b_page; 776 page = jh2bh(jh)->b_page;
777 offset = ((unsigned long) jh2bh(jh)->b_data) & ~PAGE_MASK; 777 offset = offset_in_page(jh2bh(jh)->b_data);
778 source = kmap_atomic(page, KM_USER0); 778 source = kmap_atomic(page, KM_USER0);
779 /* Fire data frozen trigger just before we copy the data */ 779 /* Fire data frozen trigger just before we copy the data */
780 jbd2_buffer_frozen_trigger(jh, source + offset, 780 jbd2_buffer_frozen_trigger(jh, source + offset,