On Wed, Jun 07, 2023 at 02:54:38PM -0700, Daniel Rosenberg wrote:

144f1cd40bf91fb3 ("f2fs: fix iostat lock protection")

Fixes a deadlock present since 4.14

Doesn't apply to 5.4.y and older, but I've added it to the newer ones.

If you want it in the older kernels, please submit working backports.

thanks,

greg k-h