Hi Josef,

FYI, there are new smatch warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git 
master
head:   39a6066ac26f336b444c666a4b7339078ebf19b1
commit: 2d6d440d12fe9999503bc909f9f9e1fe8771d84f [105/117] Btrfs: wait on 
ordered extents at the last possible moment

  fs/btrfs/tree-log.c:3401 log_one_extent() error: double unlock 
'spin_lock:&log->log_extents_lock[index]'
+ fs/btrfs/tree-log.c:3401 log_one_extent() error: double unlock 'irq:'

git remote add josef-btrfs 
git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git
git remote update josef-btrfs
git checkout 2d6d440d12fe9999503bc909f9f9e1fe8771d84f
vim +3401 fs/btrfs/tree-log.c

2d6d440d Josef Bacik 2012-10-12  3385                       mod_start + mod_len)
2d6d440d Josef Bacik 2012-10-12  3386                           mod_len = 0;
2d6d440d Josef Bacik 2012-10-12  3387           } else {
2d6d440d Josef Bacik 2012-10-12  3388                   if 
(ordered->file_offset + ordered->len <
2d6d440d Josef Bacik 2012-10-12  3389                       mod_start + 
mod_len) {
2d6d440d Josef Bacik 2012-10-12  3390                           mod_len = 
(mod_start + mod_len) -
2d6d440d Josef Bacik 2012-10-12  3391                                   
(ordered->file_offset + ordered->len);
2d6d440d Josef Bacik 2012-10-12  3392                           mod_start = 
ordered->file_offset +
2d6d440d Josef Bacik 2012-10-12  3393                                   
ordered->len;
2d6d440d Josef Bacik 2012-10-12  3394                   } else {
2d6d440d Josef Bacik 2012-10-12  3395                           mod_len = 0;
2d6d440d Josef Bacik 2012-10-12  3396                   }
2d6d440d Josef Bacik 2012-10-12  3397           }
2d6d440d Josef Bacik 2012-10-12  3398  
2d6d440d Josef Bacik 2012-10-12  3399           
spin_lock_irq(&log->log_extents_lock[index]);
2d6d440d Josef Bacik 2012-10-12  3400   }
2d6d440d Josef Bacik 2012-10-12 @3401   
spin_unlock_irq(&log->log_extents_lock[index]);
2d6d440d Josef Bacik 2012-10-12  3402  
2d6d440d Josef Bacik 2012-10-12  3403   if (!mod_len || ret)
2d6d440d Josef Bacik 2012-10-12  3404           return ret;
2d6d440d Josef Bacik 2012-10-12  3405  
2d6d440d Josef Bacik 2012-10-12  3406   csum_offset = mod_start - em->start;
2d6d440d Josef Bacik 2012-10-12  3407   csum_len = mod_len;
2d6d440d Josef Bacik 2012-10-12  3408  
8a868ae3 Josef Bacik 2012-10-11  3409   /* block start is already adjusted for 
the file extent offset. */

---
0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to