Re: ping// Re: [PATCH v5 0/2] squashfs: Add the mount parameter "threads="

From: Phillip Lougher
Date: Mon Oct 17 2022 - 18:59:59 EST


On Mon, Oct 17, 2022 at 2:11 AM Xiaoming Ni <nixiaoming@xxxxxxxxxx> wrote:
>
> ping

I was hoping you'd notice the obvious mistake you made in the patch set,
and send an updated version, which would avoid me having to point out
such mistakes again.

I have replied to patch [1/2]

Phillip

>
> On 2022/9/30 17:14, Xiaoming Ni wrote:
> > Currently, Squashfs supports multiple decompressor parallel modes. However, this
> > mode can be configured only during kernel building and does not support flexible
> > selection during runtime.
> >
> > In the current patch set, the mount parameter "threads=" is added to allow users
> > to select the parallel decompressor mode and configure the number of decompressors
> > when mounting a file system.
> >
> > "threads=<single|multi|percpu|1|2|3|...>"
> > The upper limit is num_online_cpus() * 2.
> >
> > v5: fix a low-level mistake in patching:
> > fs/squashfs/super.c:492:7: warning: "CONFIG_SQUASHFS_DECOMP_MULTI" is
> > not defined, evaluates to 0 [-Wundef]
> >
> > v4: https://lore.kernel.org/lkml/20220916083604.33408-1-nixiaoming@xxxxxxxxxx/
> > Based on Philip Lougher's suggestion, make the following updates:
> > 1. Use static modifiers to avoid changing symbol names.
> > 2. Fixed some formatting issues
> >
> > v3: https://lore.kernel.org/lkml/20220902094855.22666-1-nixiaoming@xxxxxxxxxx/
> > Based on Philip Lougher's suggestion, make the following updates:
> > 1. The default configuration is the same as that before the patch installation.
> > 2. Compile the three decompression modes when the new configuration is enabled.
> > 3. "threads=1" supports only the SQUASHFS_DECOMP_SINGLE mode.
> >
> > v2: https://lore.kernel.org/lkml/20220816010052.15764-1-nixiaoming@xxxxxxxxxx/
> > fix warning: sparse: incorrect type in initializer (different address spaces)
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >
> > v1: https://lore.kernel.org/lkml/20220815031100.75243-1-nixiaoming@xxxxxxxxxx/
> >
> > Xiaoming Ni (2):
> > squashfs: add the mount parameter theads=<single|multi|percpu>
> > squashfs: Allows users to configure the number of decompression
> > threads
> >
> > fs/squashfs/Kconfig | 51 ++++++++++++++++--
> > fs/squashfs/block.c | 2 +-
> > fs/squashfs/decompressor.c | 2 +-
> > fs/squashfs/decompressor_multi.c | 20 ++++---
> > fs/squashfs/decompressor_multi_percpu.c | 23 +++++---
> > fs/squashfs/decompressor_single.c | 15 ++++--
> > fs/squashfs/squashfs.h | 23 ++++++--
> > fs/squashfs/squashfs_fs_sb.h | 4 +-
> > fs/squashfs/super.c | 93 +++++++++++++++++++++++++++++++--
> > 9 files changed, 199 insertions(+), 34 deletions(-)
> >
>