[U-Boot] [PATCH 0/11] sandbox: Add filesystem support

Simon Glass sjg at chromium.org
Sun Feb 24 18:35:42 CET 2013


Hi,

On Wed, Dec 26, 2012 at 11:53 AM, Simon Glass <sjg at chromium.org> wrote:
> This series adds support for filesystems to sandbox. While we don't yet have
> access to host machine block devices, we can access files on the host through
> a new 'host' filesystem type and the new sandbox command 'sb'.
>
> For example:
>
> sb load host 0 1000 foo.bar
>
> will load foo.bar from the host into memory at address 1000. The '0'
> parameter is the device number, currently unused.
>
> While doing this work, I noticed that fs.c had code that probably belongs
> more in the filesystems themselves. So this series moves fat/ext4 code into
> those files. This removes most of the #ifdefs from this file, as well as
> the #defines of functions to 'unsupported'. Now there is a list of
> filesystems that we support, and if we don't find the one we need, we
> automatically fall back to the 'unsupported' one.
>
> Finally, the ext4 write support is moved into a separate file since ext4fs.c
> was over 3500 lines and the write support seems entirely separate from the
> main function in that file.

Are there any comments on this series please? It adds new methods to
the filesystem interface, and a new 'host' filesystem type for
sandbox.

Regards,
Simon


>
>
> Simon Glass (11):
>   ext4: Split write support into its own file
>   fs: Fully populate the filesystem method struct
>   fs: Use filesystem methods instead of switch()
>   fs: Tell probe functions where to put their results
>   fs: Use map_sysmem() on read
>   fs: Move ls and read methods into ext4, fat
>   sandbox: Add a way of obtaining directory listings
>   sandbox: Add host filesystem
>   sandbox: Add 'sb' command to access filesystem features
>   sandbox: Enable ext4 and fat filesystems
>   sandbox: config: Enable sandbox command
>
>  Makefile                  |    1 +
>  README                    |    1 +
>  arch/sandbox/cpu/os.c     |  101 +++++
>  common/Makefile           |    1 +
>  common/cmd_sandbox.c      |   63 +++
>  disk/part.c               |   17 +
>  fs/ext4/Makefile          |    2 +-
>  fs/ext4/ext4_write.c      |  996 +++++++++++++++++++++++++++++++++++++++++++++
>  fs/ext4/ext4fs.c          |  962 +------------------------------------------
>  fs/fat/fat.c              |   17 +
>  fs/fs.c                   |  237 +++++-------
>  fs/sandbox/Makefile       |   47 +++
>  fs/sandbox/sandboxfs.c    |   83 ++++
>  include/config_cmd_all.h  |    1 +
>  include/configs/sandbox.h |    9 +
>  include/ext4fs.h          |    3 +
>  include/fat.h             |    2 +
>  include/fs.h              |    1 +
>  include/os.h              |   48 +++
>  include/sandboxfs.h       |   30 ++
>  20 files changed, 1533 insertions(+), 1089 deletions(-)
>  create mode 100644 common/cmd_sandbox.c
>  create mode 100644 fs/ext4/ext4_write.c
>  create mode 100644 fs/sandbox/Makefile
>  create mode 100644 fs/sandbox/sandboxfs.c
>  create mode 100644 include/sandboxfs.h
>
> --
> 1.7.7.3
>


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