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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-15 08:51:31 -0400
committerPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-15 08:51:31 -0400
commitd475fd428ce77aa2a8bc650d230e17663a4f49c3 (patch)
tree19ba4a1b688a758b2e674f792e1d605896419cc8 /include/linux/fs.h
parent58dfe883d3bc3b4c08c53a7f39e2ca3ec84f089e (diff)
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.h5
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 {
1302 struct module *owner; 1302 struct module *owner;
1303 struct file_system_type * next; 1303 struct file_system_type * next;
1304 struct list_head fs_supers; 1304 struct list_head fs_supers;
1305
1305 struct lock_class_key s_lock_key; 1306 struct lock_class_key s_lock_key;
1306 struct lock_class_key s_umount_key; 1307 struct lock_class_key s_umount_key;
1308
1309 struct lock_class_key i_lock_key;
1310 struct lock_class_key i_mutex_key;
1311 struct lock_class_key i_alloc_sem_key;
1307}; 1312};
1308 1313
1309extern int get_sb_bdev(struct file_system_type *fs_type, 1314extern int get_sb_bdev(struct file_system_type *fs_type,