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lockdep: per filesystem inode lock class

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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>
This commit is contained in:
Peter Zijlstra
2007-10-15 14:51:31 +02:00
parent 58dfe883d3
commit d475fd428c
2 changed files with 14 additions and 3 deletions
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5
include/linux/fs.h
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@@ -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,