On 2019/7/23 8:31, David Sterba wrote:
> On Mon, Jul 22, 2019 at 06:58:59PM +0800, Gao Xiang wrote:
>> On 2019/7/22 6:18, David Sterba wrote:
>>> On Mon, Jul 22, 2019 at 10:50:42AM +0800, Gao Xiang wrote:
+choice
+ prompt "EROFS Data Decompression mode"
+ depends on
On Mon, Jul 22, 2019 at 06:58:59PM +0800, Gao Xiang wrote:
> On 2019/7/22 6:18, David Sterba wrote:
> > On Mon, Jul 22, 2019 at 10:50:42AM +0800, Gao Xiang wrote:
> >> +choice
> >> + prompt "EROFS Data Decompression mode"
> >> + depends on EROFS_FS_ZIP
> >> + default
On 2019/7/22 11:12, Theodore Y. Ts'o wrote:
> On Mon, Jul 22, 2019 at 10:16:44PM +0800, Gao Xiang wrote:
>> OK, I will give a try. One point I think is how to deal with the case
>> if there is already cached information when remounting as well as you said.
>>
>> As the first step, maybe the
On Mon, Jul 22, 2019 at 10:16:44PM +0800, Gao Xiang wrote:
> OK, I will give a try. One point I think is how to deal with the case
> if there is already cached information when remounting as well as you said.
>
> As the first step, maybe the mount option can be defined as
> allowing/forbiding
Hi Ted,
On 2019/7/22 9:25, Theodore Y. Ts'o wrote,
> On Mon, Jul 22, 2019 at 06:58:59PM +0800, Gao Xiang wrote:
>>> The number of individual Kconfig options is quite high, are you sure you
>>> need them to be split like that?
>>
>> You mean the above? these are 3 cache strategies, which
On Mon, Jul 22, 2019 at 06:58:59PM +0800, Gao Xiang wrote:
> > The number of individual Kconfig options is quite high, are you sure you
> > need them to be split like that?
>
> You mean the above? these are 3 cache strategies, which impact the
> runtime memory consumption and performance. I tend
Hi David,
On 2019/7/22 6:18, David Sterba wrote:
> On Mon, Jul 22, 2019 at 10:50:42AM +0800, Gao Xiang wrote:
>> +choice
>> +prompt "EROFS Data Decompression mode"
>> +depends on EROFS_FS_ZIP
>> +default EROFS_FS_ZIP_CACHE_READAROUND
>> +help
>> + EROFS supports three
On Mon, Jul 22, 2019 at 10:50:42AM +0800, Gao Xiang wrote:
> +choice
> + prompt "EROFS Data Decompression mode"
> + depends on EROFS_FS_ZIP
> + default EROFS_FS_ZIP_CACHE_READAROUND
> + help
> + EROFS supports three options for decompression.
> + "In-place I/O Only"
This patch adds strategies which can be selected
by users in order to cache both incomplete ends of
compressed physical clusters as a complement of
in-place I/O in order to boost random read, but
it costs more memory than the in-place I/O only.
Signed-off-by: Gao Xiang
---
fs/erofs/Kconfig|
