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    Subject[QUOTA] Drop spin lock when calling request_module
    From
    Hi:

    This patch drops the spin lock when calling request_module as the
    latter will sleep.

    Cheers,
    --
    Debian GNU/Linux 3.0 is out! ( http://www.debian.org/ )
    Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
    Home Page: http://gondor.apana.org.au/~herbert/
    PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
    Index: kernel-source-2.5/fs/dquot.c
    ===================================================================
    RCS file: /home/gondolin/herbert/src/CVS/debian/kernel-source-2.5/fs/dquot.c,v
    retrieving revision 1.3
    diff -u -r1.3 dquot.c
    --- kernel-source-2.5/fs/dquot.c 26 Oct 2003 03:20:37 -0000 1.3
    +++ kernel-source-2.5/fs/dquot.c 5 Nov 2003 11:04:30 -0000
    @@ -128,17 +128,21 @@
    if (!actqf || !try_module_get(actqf->qf_owner)) {
    int qm;

    + spin_unlock(&dq_list_lock);
    +
    for (qm = 0; module_names[qm].qm_fmt_id && module_names[qm].qm_fmt_id != id; qm++);
    if (!module_names[qm].qm_fmt_id || request_module(module_names[qm].qm_mod_name)) {
    actqf = NULL;
    goto out;
    }
    +
    + spin_lock(&dq_list_lock);
    for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id; actqf = actqf->qf_next);
    if (actqf && !try_module_get(actqf->qf_owner))
    actqf = NULL;
    }
    -out:
    spin_unlock(&dq_list_lock);
    +out:
    return actqf;
    }
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