Re: possible deadlock in sys_pivot_root()?

[Nikita Danilov]

Nikita Danilov writes:
 > Hello,
 > 
 > sys_pivot_root() first takes BKL, then ->i_sem on the old root
 > directory. On the other hand, vfs_readdir() first takes ->i_sem on a
 > directory and then calls file system ->readdir() method, that usually
 > takes BKL. Isn't there a deadlock possibility? Of course,

Should think more before posting. Special treatment of BKL by scheduler
makes this impossible.

Nikita.