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authorEric Sandeen <sandeen@redhat.com>2007-10-18 03:06:57 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:29 -0700
commit42a2b6ad71b011144d21d88a124140bb2bf1023f (patch)
tree2b88c3aef205707f6efb8b953db7014cdf27afc6 /fs
parent0f0a89ebe1ccf7c280534f69577cdd182941eb6a (diff)
ext3: 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 <sandeen@redhat.com> C: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext3/resize.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 771f7ada15d..44de1453c30 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -245,10 +245,10 @@ 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);
ext3_journal_dirty_metadata(handle, gdb);
ext3_set_bit(bit, bh->b_data);
brelse(gdb);