On Sat, Aug 31, 2019 at 12:52:17AM +0800, Gao Xiang wrote:
> Hi Christoph,
>
> On Fri, Aug 30, 2019 at 09:35:34AM -0700, Christoph Hellwig wrote:
> > On Thu, Aug 15, 2019 at 12:41:51PM +0800, Gao Xiang wrote:
> > > +static bool use_vmap;
> > > +module_param(use_vmap, bool, 0444);
> > >
Hi Christoph,
On Fri, Aug 30, 2019 at 09:35:34AM -0700, Christoph Hellwig wrote:
> On Thu, Aug 15, 2019 at 12:41:51PM +0800, Gao Xiang wrote:
> > +static bool use_vmap;
> > +module_param(use_vmap, bool, 0444);
> > +MODULE_PARM_DESC(use_vmap, "Use vmap() instead of vm_map_ram() (default
> > 0)");
On Thu, Aug 15, 2019 at 12:41:51PM +0800, Gao Xiang wrote:
> +static bool use_vmap;
> +module_param(use_vmap, bool, 0444);
> +MODULE_PARM_DESC(use_vmap, "Use vmap() instead of vm_map_ram() (default 0)");
And how would anyone know which to pick?
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This patch adds decompression backend to EROFS, which
supports uncompressed and LZ4 compressed data.
For compressed data, it uses the following strategy:
1) If outputsize is very small (totally less than a threshold),
decompress to the per-CPU buffer and do memcpy directly
in order to avoid
