[U-Boot] [PATCH V5 1/2] ext4fs ls load support

[Marek Vasut <marek.vasut@gmail.com>]

Dear Rob Herring,

> On 08/09/2012 04:50 PM, Wolfgang Denk wrote:
> > Dear Uma Shankar,
> > 
> > In message <1337961104-21198-1-git-send-email-uma.shankar@samsung.com> you 
wrote:
> >> Signed-off-by: Uma Shankar <uma.shankar@samsung.com>
> >> Signed-off-by: Manjunatha C Achar <a.manjunatha@samsung.com>
> >> Signed-off-by: Iqbal Shareef <iqbal.ams@samsung.com>
> >> Signed-off-by: Hakgoo Lee <goodguy.lee@samsung.com>
> >> ---
> >> 
> >> Changes for v4:
> >>         - Redesigned ext2, ext4 command interface
> >>         - Removed ext2 folder from fs/
> >>         - Memory Leak issue handled
> >> 
> >> Changes for v3:
> >>         - Copyright has been updated in respective files
> >>         - ext4fs has been made independant of ext2fs.c
> >>         - Fixed API namespace
> >>         - Removed endianness conversion API, used uboot defined API
> >>         
> >>           for the same
> >>         
> >>         - Fixed coding style issues
> >>         - Moved README.ext4 file into doc folder
> >> 
> >> Changes for v2:
> >>         - Code cleanup, changed comment style
> >>         - camel case removed, resolved code alignment issues
> >>         - memory allocation logic changed, removed busybox logic
> >>         - Modified ext4 load to remove grub dependency (GPLv3)
> >>         - Introduced new Config for ext4 write
> >> 
> >> Changes for v1:
> >>         - Removed checkpatch warnings and errors
> >>         - Moved common API's of ext2 and ext4 to one generic header file
> >> 
> >> ---
> >> 
> >>  Makefile                   |    2 +-
> >>  common/Makefile            |    6 +
> >>  common/cmd_ext2.c          |  219 +----------
> >>  common/cmd_ext4.c          |   96 +++++
> >>  common/cmd_ext_common.c    |  259 +++++++++++++
> >>  fs/Makefile                |    5 +-
> >>  fs/ext2/dev.c              |  131 -------
> >>  fs/ext2/ext2fs.c           |  897
> >>  -------------------------------------------- fs/{ext2 =>
> >>  ext4}/Makefile |    8 +-
> >>  fs/ext4/dev.c              |  145 +++++++
> >>  fs/ext4/ext4_common.c      |  875
> >>  ++++++++++++++++++++++++++++++++++++++++++ fs/ext4/ext4_common.h     
> >>  |   63 +++
> >>  fs/ext4/ext4fs.c           |  228 +++++++++++
> >>  include/ext2fs.h           |   81 ----
> >>  include/ext4fs.h           |  132 +++++++
> >>  include/ext_common.h       |  197 ++++++++++
> >>  16 files changed, 2028 insertions(+), 1316 deletions(-)
> >>  create mode 100644 common/cmd_ext4.c
> >>  create mode 100644 common/cmd_ext_common.c
> >>  delete mode 100644 fs/ext2/dev.c
> >>  delete mode 100644 fs/ext2/ext2fs.c
> >>  rename fs/{ext2 => ext4}/Makefile (89%)
> >>  create mode 100644 fs/ext4/dev.c
> >>  create mode 100644 fs/ext4/ext4_common.c
> >>  create mode 100644 fs/ext4/ext4_common.h
> >>  create mode 100644 fs/ext4/ext4fs.c
> >>  delete mode 100644 include/ext2fs.h
> >>  create mode 100644 include/ext4fs.h
> >>  create mode 100644 include/ext_common.h
> > 
> > As this is all untested code which replaces ext2 which is in active
> > use by a large number of boards I decided to put this into a separate
> > branch "ext4" for now so people can easiy test it.  If there are no
> > problems, or the problems have been fixed in time, we can merge this
> > branch around when -rc1 comes out.
> 
> I reported already that the prior version that ext4 has issues with
> sub-directories. I don't think that has been addressed in V5. Some
> directories show up fine and some don't. So it's kind of random whether
> u-boot can read a /boot directory. This was after full ubuntu installs.
> I'd guess a simple test with a couple of files and directories will not
> show the problem.

It was crashing on ext2 for me ... maybe further tests are in place. Anyone 
willing to debug this btw ?

> 
> > Hope this is OK with you.
> > 
> > Best regards,
> > 
> > Wolfgang Denk

Best regards,
Marek Vasut