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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-15 14:51:31 +0200 |
|---|---|---|
| committer | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-15 14:51:31 +0200 |
| commit | d475fd428ce77aa2a8bc650d230e17663a4f49c3 (patch) | |
| tree | 19ba4a1b688a758b2e674f792e1d605896419cc8 /include/linux/fs.h | |
| parent | 58dfe883d3bc3b4c08c53a7f39e2ca3ec84f089e (diff) | |
| download | lwn-d475fd428ce77aa2a8bc650d230e17663a4f49c3.tar.gz lwn-d475fd428ce77aa2a8bc650d230e17663a4f49c3.zip | |
lockdep: per filesystem inode lock class
Give each filesystem its own inode lock class. The various filesystems have
different locking order wrt the inode locks; esp. the pseudo filesystems differ
from the rest.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 16421f662a7a..0cad20e12585 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1302,8 +1302,13 @@ struct file_system_type { struct module *owner; struct file_system_type * next; struct list_head fs_supers; + struct lock_class_key s_lock_key; struct lock_class_key s_umount_key; + + struct lock_class_key i_lock_key; + struct lock_class_key i_mutex_key; + struct lock_class_key i_alloc_sem_key; }; extern int get_sb_bdev(struct file_system_type *fs_type, |