Messages in this thread | | | Subject | Re: [PATCH v2] fs/dcache.c: avoid soft-lockup in dput() | From | Vaishali Thakkar <> | Date | Fri, 16 Sep 2016 18:20:53 +0530 |
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On Friday 16 September 2016 05:40 PM, Al Viro wrote: > On Fri, Sep 16, 2016 at 01:19:19PM +0530, Vaishali Thakkar wrote: > >> Hi, >> >> Just a question regarding this change. As after this change >> dput() is sleepable, is it still safe to use if under the >> spinlock in the function d_prune_aliases? > > It has always been sleepable and it wouldn't have been safe to use > under spinlocks. Which d_prune_aliases() does not do - __dentry_kill() > is called with dentry, its parent and its inode (if present) all locked and > it drops all those locks before returning.
Ah, I see. Alright. Thanks for the clarification.
>
-- Vaishali
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