On Wed, 29 Sep 2010 22:18:49 +1000 Dave Chinner <david@xxxxxxxxxxxxx> wrote:
> -static inline void __iget(struct inode *inode)
> +static inline void iget_ilock(struct inode *inode)
> {
> assert_spin_locked(&inode->i_lock);
> + BUG_ON(inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE));
> inode->i_count++;
> }
>
> +static inline void iget(struct inode *inode)
> +{
> + spin_lock(&inode->i_lock);
> + iget_ilock(inode);
> + spin_unlock(&inode->i_lock);
> +}
I suspect that for typical configs, these functions will generate amazing
amounts of code.
Please measure this. We may decide to uninline both.
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