[PATCH 00/18 v3] fs: add symlink and readlink support

[Jean-Christophe PLAGNIOL-VILLARD]

HI,

	v4:
	 drop the mounted path added to absolute symlink

	v3:
	 - fix support
	   mkdir mymount
	   mount -t ramfs none mymount/
	   ln /env/boot/net /mymount/link

	 - addres comments

	v2:
	 addres comments

please pull
The following changes since commit b77300ac6c6bbbc7eac774ff0076c7c05d39735f:

  command/mount: add autodetection support (2012-08-21 18:53:00 +0800)

are available in the git repository at:

  git://git.jcrosoft.org/barebox.git tags/fs-symlink

for you to fetch changes up to 9919df3e6c53db0edca9f0a9297b7a9e335575de:

  defautenv: add support of symlink (2012-09-03 22:46:05 +0800)

----------------------------------------------------------------
fs: add symlink and readlink support

This patch series introduce the support of symlink and readlink at

1) vfs level

2) libc API
 - symlink
 - readlink

3) commands
 - ln
 - readlink

3) filesystem
 - ramfs
 - nfs
 - envfs

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>

----------------------------------------------------------------
Jean-Christophe PLAGNIOL-VILLARD (18):
      fs: add readlink support
      fs: rename stat to lstat as we implement lstat
      fs: add symlink support
      fs: implement stat
      fs: open: add symlink support
      fs: introduce get_mounted_path to get the path where a file is mounted
      ramfs: add symlink and readlink support
      nfs: add readlink support
      test: add -L support to test if it's a symbolic link
      command: add readlink support
      command: add ln support
      ls: add symlink support to -l
      dirname: add -V option to return only path related to the mountpoint
      recursive_action: add ACTION_FOLLOWLINKS support
      envfs: introduce version major and minor
      envfs: add support of variable inode size
      envfs: add support of symlink
      defautenv: add support of symlink

 MAKEALL                |    1 +
 commands/Kconfig       |   10 ++++++++
 commands/Makefile      |    2 ++
 commands/dirname.c     |   24 +++++++++++++++---
 commands/ln.c          |   51 +++++++++++++++++++++++++++++++++++++++
 commands/ls.c          |   31 ++++++++++++++++--------
 commands/readlink.c    |   80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 commands/test.c        |   11 +++++++--
 common/Makefile        |    2 +-
 common/environment.c   |  150 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------------------------
 fs/fs.c                |  223 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 fs/nfs.c               |   86 ++++++++++++++++++++++++++++++++++++++++++++---------------------
 fs/ramfs.c             |   61 +++++++++++++++++++++++++++++++++++++++++-----
 include/envfs.h        |   15 ++++++++++--
 include/fs.h           |   12 +++++++++
 include/libbb.h        |    2 +-
 lib/recursive_action.c |    7 +++++-
 scripts/bareboxenv.c   |    2 +-
 18 files changed, 670 insertions(+), 100 deletions(-)
 create mode 100644 commands/ln.c
 create mode 100644 commands/readlink.c

Best Regards,
J.