Eric Lee / smarc-fsl-linux-kernel

26 Jul, 2011

1 commit

  • 4e34e719e   fs: take the ACL checks to common code ... Browse Code »

    Replace the ->check_acl method with a ->get_acl method that simply reads an
    ACL from disk after having a cache miss. This means we can replace the ACL
    checking boilerplate code with a single implementation in namei.c.

    Signed-off-by: Christoph Hellwig
    Signed-off-by: Al Viro

    Christoph Hellwig
     

20 Jul, 2011

1 commit

07 Jan, 2011

1 commit

22 May, 2010

1 commit

  • bb4354538   fs: xattr_handler table should be const ... Browse Code »

    The entries in xattr handler table should be immutable (ie const)
    like other operation tables.

    Later patches convert common filesystems. Uncoverted filesystems
    will still work, but will generate a compiler warning.

    Signed-off-by: Stephen Hemminger
    Signed-off-by: Al Viro

    Stephen Hemminger
     

17 Dec, 2009

1 commit

  • 1c7c474c3   make generic_acl slightly more generic ... Browse Code »

    Now that we cache the ACL pointers in the generic inode all the generic_acl
    cruft can go away and generic_acl.c can directly implement xattr handlers
    dealing with the full Posix ACL semantics for in-memory filesystems.

    Signed-off-by: Christoph Hellwig
    Signed-off-by: Al Viro

    Christoph Hellwig
     

09 May, 2007

1 commit

30 Sep, 2006

1 commit

  • f0c8bd164   [PATCH] Generic infrastructure for acls ... Browse Code »

    The patches solve the following problem: We want to grant access to devices
    based on who is logged in from where, etc. This includes switching back and
    forth between multiple user sessions, etc.

    Using ACLs to define device access for logged-in users gives us all the
    flexibility we need in order to fully solve the problem.

    Device special files nowadays usually live on tmpfs, hence tmpfs ACLs.

    Different distros have come up with solutions that solve the problem to
    different degrees: SUSE uses a resource manager which tracks login sessions
    and sets ACLs on device inodes as appropriate. RedHat uses pam_console, which
    changes the primary file ownership to the logged-in user. Others use a set of
    groups that users must be in in order to be granted the appropriate accesses.

    The freedesktop.org project plans to implement a combination of a
    console-tracker and a HAL-device-list based solution to grant access to
    devices to users, and more distros will likely follow this approach.

    These patches have first been posted here on 2 February 2005, and again
    on 8 January 2006. We have been shipping them in SLES9 and SLES10 with
    no problems reported. The previous submission is archived here:

    http://lkml.org/lkml/2006/1/8/229
    http://lkml.org/lkml/2006/1/8/230
    http://lkml.org/lkml/2006/1/8/231

    This patch:

    Add some infrastructure for access control lists on in-memory
    filesystems such as tmpfs.

    Signed-off-by: Andreas Gruenbacher
    Cc: Hugh Dickins
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Andreas Gruenbacher