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SubjectRe: possible deadlock in sys_pivot_root()?
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.

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