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    Subject[RFC][PATCH 06/20] sys_symlinkat() elevate write count around vfs_symlink()
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    Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
    ---

    lxc-dave/fs/namei.c | 5 +++++
    1 files changed, 5 insertions(+)

    diff -puN fs/namei.c~C-elevate-writers-vfs_symlink-part3 fs/namei.c
    --- lxc/fs/namei.c~C-elevate-writers-vfs_symlink-part3 2006-06-16 15:58:02.000000000 -0700
    +++ lxc-dave/fs/namei.c 2006-06-16 15:58:02.000000000 -0700
    @@ -2191,7 +2191,12 @@ asmlinkage long sys_symlinkat(const char
    if (IS_ERR(dentry))
    goto out_unlock;

    + error = mnt_want_write(nd.mnt);
    + if (error)
    + goto out_dput;
    error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
    + mnt_drop_write(nd.mnt);
    +out_dput:
    dput(dentry);
    out_unlock:
    mutex_unlock(&nd.dentry->d_inode->i_mutex);
    _
    -
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