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    Subject[PATCH 11/24] elevate write count for link and symlink calls
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    Date


    Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
    ---

    lxc-dave/fs/namei.c | 10 ++++++++++
    1 file changed, 10 insertions(+)

    diff -puN fs/namei.c~elevate-write-count-for-link-and-symlink-calls fs/namei.c
    --- lxc/fs/namei.c~elevate-write-count-for-link-and-symlink-calls 2007-09-17 09:44:02.000000000 -0700
    +++ lxc-dave/fs/namei.c 2007-09-17 09:44:02.000000000 -0700
    @@ -2324,7 +2324,12 @@ 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);
    @@ -2419,7 +2424,12 @@ asmlinkage long sys_linkat(int olddfd, c
    error = PTR_ERR(new_dentry);
    if (IS_ERR(new_dentry))
    goto out_unlock;
    + error = mnt_want_write(nd.mnt);
    + if (error)
    + goto out_dput;
    error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
    + mnt_drop_write(nd.mnt);
    +out_dput:
    dput(new_dentry);
    out_unlock:
    mutex_unlock(&nd.dentry->d_inode->i_mutex);
    _
    -
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