Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5b615287b37c32dc0c9dbeab13b19ac87828a5f7
Commit:     5b615287b37c32dc0c9dbeab13b19ac87828a5f7
Parent:     ac39849ddc19c0bbb39068497139ac45bccd4321
Author:     Eric Sandeen <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 18:38:25 2007 -0400
Committer:  Theodore Ts'o <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 18:50:04 2007 -0400

    ext4: fix setup_new_group_blocks locking
    
    setup_new_group_blocks() manipulates the group descriptor block bh
    under the block_bitmap bh's lock.  It shouldn't matter since nobody
    but resize should be touching these blocks, but it's worth fixing up.
    
    Signed-off-by: Eric Sandeen <[EMAIL PROTECTED]>
    Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
---
 fs/ext4/resize.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 0a7e914..484e569 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -199,10 +199,10 @@ static int setup_new_group_blocks(struct super_block *sb,
                        brelse(gdb);
                        goto exit_bh;
                }
-               lock_buffer(bh);
-               memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, bh->b_size);
+               lock_buffer(gdb);
+               memcpy(gdb->b_data, sbi->s_group_desc[i]->b_data, gdb->b_size);
                set_buffer_uptodate(gdb);
-               unlock_buffer(bh);
+               unlock_buffer(gdb);
                ext4_journal_dirty_metadata(handle, gdb);
                ext4_set_bit(bit, bh->b_data);
                brelse(gdb);
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to