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    Subject[PATCH 23/25] do_rmdir(): elevate write count
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    Elevate the write count during the vfs_rmdir() call.

    Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
    Acked-by: Christoph Hellwig <hch@infradead.org>
    ---

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

    diff -puN fs/namei.c~do-rmdir-elevate-write-count fs/namei.c
    --- lxc/fs/namei.c~do-rmdir-elevate-write-count 2007-09-20 12:16:22.000000000 -0700
    +++ lxc-dave/fs/namei.c 2007-09-20 12:16:22.000000000 -0700
    @@ -2148,7 +2148,12 @@ static long do_rmdir(int dfd, const char
    error = PTR_ERR(dentry);
    if (IS_ERR(dentry))
    goto exit2;
    + error = mnt_want_write(nd.mnt);
    + if (error)
    + goto exit3;
    error = vfs_rmdir(nd.dentry->d_inode, dentry);
    + mnt_drop_write(nd.mnt);
    +exit3:
    dput(dentry);
    exit2:
    mutex_unlock(&nd.dentry->d_inode->i_mutex);
    _
    -
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