[SCM] Hurd branch, master, updated. 7d0fdfd0a3e5165020e11892079154ef1e1d691f

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 7d0fdfd0a3e5165020e11892079154ef1e1d691f
Author: Sergio Lopez <address@hidden>
Date:   Fri Aug 27 00:24:01 2010 +0200

    make unblocked reads from external objects return a zeroed page.
    
    * serverboot/default_pager.c (struct dstruct): Add boolean_t external field.
    (default_pager_add): Set ds->external to TRUE or FALSE depending whether the
    object is external.
    (default_read): Add external parameter.  If no_block(block) returns 1, if
    external is TRUE, zero fill the page and return PAGER_SUCCESS instead of
    PAGER_ABSENT.
    (seqnos_memory_object_data_request): Pass ds->external as additional
    parameter to default_read.

-----------------------------------------------------------------------

Summary of changes:
 serverboot/default_pager.c |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)


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