Re: [PATCH] USB: Remove BKL from remount() function in usbfs

[Arnd Bergmann]

On Wednesday 31 March 2010, Alessio Igor Bogani wrote:
> 
> The BKL was used into remount_fs pointed function for serialized access to
> super_block from the others super_operations functions.
> 
> The function update_sb(), invoked by remount(), seems already well serialized
> with &root->d_inode->i_mutex. Moreover don't seems there are others
> super_operations functions in USB core for usbfs that should access to
> super_block in a way which require BKL.

There is a patch from Jan Blunck pending in the bkl-removal tree that pushes
down the BKL into usbfs_fill_super. Can you confirm that this BKL usage does
not interfere with the one you just removed, and that it can go the same way?

	Arnd
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