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,
                        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);
-               unlock_buffer(bh);
+               unlock_buffer(gdb);
                ext4_journal_dirty_metadata(handle, gdb);
                ext4_set_bit(bit, bh->b_data);
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