On Thu, Dec 3, 2020 at 2:46 AM Tejun Heo wrote:
>
> Hello,
>
> On Wed, Dec 02, 2020 at 10:58:37PM +0800, Fox Chen wrote:
> > There is a big mutex in kernfs_dop_revalidate which slows down the
> > concurrent performance of kernfs.
> >
> > Since kernfs_dop_revalidate only does some checks, the lock
On Thu, Dec 3, 2020 at 2:26 AM Greg KH wrote:
>
> On Wed, Dec 02, 2020 at 10:58:37PM +0800, Fox Chen wrote:
> > There is a big mutex in kernfs_dop_revalidate which slows down the
> > concurrent performance of kernfs.
> >
> > Since kernfs_dop_revalidate only does some checks, the lock is
> >
Hello,
On Wed, Dec 02, 2020 at 10:58:37PM +0800, Fox Chen wrote:
> There is a big mutex in kernfs_dop_revalidate which slows down the
> concurrent performance of kernfs.
>
> Since kernfs_dop_revalidate only does some checks, the lock is
> largely unnecessary. Also, according to kernel filesystem
On Wed, Dec 02, 2020 at 10:58:37PM +0800, Fox Chen wrote:
> There is a big mutex in kernfs_dop_revalidate which slows down the
> concurrent performance of kernfs.
>
> Since kernfs_dop_revalidate only does some checks, the lock is
> largely unnecessary. Also, according to kernel filesystem locking
There is a big mutex in kernfs_dop_revalidate which slows down the
concurrent performance of kernfs.
Since kernfs_dop_revalidate only does some checks, the lock is
largely unnecessary. Also, according to kernel filesystem locking
document:
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