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    Subject[PATCH 2/3] add do_unshare()

    From: Sukadev Bhattiprolu <sukadev@us.ibm.com>
    Subject: [PATCH 2/3] add do_unshare()

    This patch adds a do_unshare() routine which will be common
    to the unshare() and unshare64() syscall.

    Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
    Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
    ---
    kernel/fork.c | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    Index: 2.6.25-rc2-mm1/kernel/fork.c
    ===================================================================
    --- 2.6.25-rc2-mm1.orig/kernel/fork.c
    +++ 2.6.25-rc2-mm1/kernel/fork.c
    @@ -1696,7 +1696,7 @@ static int unshare_semundo(u64 unshare_f
    * constructed. Here we are modifying the current, active,
    * task_struct.
    */
    -asmlinkage long sys_unshare(unsigned long unshare_flags)
    +static long do_unshare(u64 unshare_flags)
    {
    int err = 0;
    struct fs_struct *fs, *new_fs = NULL;
    @@ -1790,3 +1790,8 @@ bad_unshare_cleanup_thread:
    bad_unshare_out:
    return err;
    }
    +
    +asmlinkage long sys_unshare(unsigned long unshare_flags)
    +{
    + return do_unshare(unshare_flags);
    +}
    --

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