Re: [PATCH] fs: Add an explicit might_sleep() to iput

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On Wed, May 27, 2020 at 04:17:53PM +0200, KP Singh wrote:
> From: KP Singh <kpsingh@xxxxxxxxxx>
> 
> It is currently mentioned in the comments to the function that iput
> might sleep when the inode is destroyed. Have it call might_sleep, as
> dput already does.
> 
> Adding an explicity might_sleep() would help in quickly realizing that
> iput is called from a place where sleeping is not allowed when
> CONFIG_DEBUG_ATOMIC_SLEEP is enabled as noticed in the dicussion:

You do realize that there are some cases where iput() *is* guaranteed
to be non-blocking, right?



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