Hi Jianan, On Fri, Nov 12, 2021 at 10:30:02AM +0800, Huang Jianan wrote: > Add sysfs interface to configure erofs related parameters later. > > Signed-off-by: Huang Jianan <[email protected]> > Reviewed-by: Chao Yu <[email protected]> > --- > since v4: > - Resend in a clean chain. > > since v3: > - Add description of sysfs in erofs documentation. > > since v2: > - Check whether t in erofs_attr_store is illegal. > - Print raw value for bool entry. > > since v1: > - Add sysfs API documentation. > - Use sysfs_emit over snprintf. > > Documentation/ABI/testing/sysfs-fs-erofs | 7 + > Documentation/filesystems/erofs.rst | 8 + > fs/erofs/Makefile | 2 +- > fs/erofs/internal.h | 10 + > fs/erofs/super.c | 12 ++ > fs/erofs/sysfs.c | 240 +++++++++++++++++++++++ > 6 files changed, 278 insertions(+), 1 deletion(-) > create mode 100644 Documentation/ABI/testing/sysfs-fs-erofs > create mode 100644 fs/erofs/sysfs.c > > diff --git a/Documentation/ABI/testing/sysfs-fs-erofs > b/Documentation/ABI/testing/sysfs-fs-erofs > new file mode 100644 > index 000000000000..86d0d0234473 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-fs-erofs > @@ -0,0 +1,7 @@ > +What: /sys/fs/erofs/features/ > +Date: November 2021 > +Contact: "Huang Jianan" <[email protected]> > +Description: Shows all enabled kernel features. > + Supported features: > + lz4_0padding, compr_cfgs, big_pcluster, device_table, > + sb_chksum.
Please help submit a patch renaming lz4_0padding to 0padding globally since LZMA and later algorithms also need that... Also, lack of chunked_file and compr_head2 as well? Thanks, Gao Xiang
