Searched hist:b5459936 (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/fs/btrfs/ |
| H A D | print-tree.c | b5459936 Tue Apr 24 00:03:13 CDT 2018 Qu Wenruo <wqu@suse.com> btrfs: print-tree: Add eb locking status output for debug build
It's pretty handy if we can get the debug output for locking status of
an extent buffer, specially for race condition related debugging.
So add the following output for btrfs_print_tree() and
btrfs_print_leaf():
- refs
- write_locks (as w:%d)
- read_locks (as r:%d)
- blocking_writers (as bw:%d)
- blocking_readers (as br:%d)
- spinning_writers (as sw:%d)
- spinning_readers (as sr:%d)
- lock_owner
- current->pid
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update comment ]
Signed-off-by: David Sterba <dsterba@suse.com>
|