[SCM] Hurd branch, master, updated. hurd-release-0-2-3340-g7e15f3d

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit 7e15f3d69a83a34ac62cbbee944a0bfbfa92724e
Author: Maksym Planeta <address@hidden>
Date:   Sun Apr 8 13:37:05 2012 +0300

    Update '..' link for directory when moving it.
    
    * tmpfs/dir.c (struct dirstat): New field.
    (diskfs_lookup_hard): Record whether type is SPEC_DOTDOT in dotdot field of
    ds.
    (diskfs_dirrewrite_hard): If ds->dotdot is true, set dp->dn->u.dir.dotdot
    insteead of (ds->prevp)->dn.

commit d43f1c20f6608ab5a6352a181308309c33b81c5b
Author: Maksym Planeta <address@hidden>
Date:   Sun Apr 8 09:21:52 2012 +0300

    Allocate pager's map on demand.
    
    * mach-defpager/default_pager.c (pager_get_direct_map): New function.
    (pager_alloc): Initialize map field to NULL.
    (pager_allocated, pager_pages, pager_extend, pager_write_offset): Use
    pager_get_direct_map to access to pager's map.

commit 907cbb6676831d950575d097cb4bef3fc5f7d00d
Author: Maksym Planeta <address@hidden>
Date:   Sun Apr 8 09:11:43 2012 +0300

    Delete fragile hack.
    
    * mach-defpager/default_pager.c (pager_truncate): Do not optimize by using
    partial kfree.

commit 3b85cd3aacae63f2372ed713e263843824821881
Author: Maksym Planeta <address@hidden>
Date:   Sun Apr 8 08:57:47 2012 +0300

    Fix bugs in truncation of memory map.
    
    * mach-defpager/default_pager.c (pager_truncate): Use new_size instead of
    old_size in memcpy.

commit 764430b760549865ab45215990b926594e993e87
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 21:25:06 2012 +0300

    Prevent repeated freeing of pager's map
    
    * mach-defpager/default_pager.c (pager_truncate): Do not set old_size to
    PAGEMAP_ENTRIES, to avoid freeing again just below.

commit 50aa82b6f21867bcad925a2879f8bd5c8773330b
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 19:10:39 2012 +0300

    Add appropriate checks to take into account that pager's memory map could 
be sparse.
    
    * mach-defpager/default_pager.c (pager_truncate, pager_read_offset,
    pager_release_offset, pager_dealloc, pager_realloc): Add checks for map
    field being NULL.
    (pager_dealloc): Set map pointer to zero.

commit 116fc73d851c49a40206e45e9af098669417f391
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 18:02:03 2012 +0300

    Set size of object, when it is created.
    
    * mach-defpager/default_pager.c (S_default_pager_object_create): Set pager
    limit to the given size.

commit 44108fc1a013dd78830f2cac2489a280226f3776
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 17:39:13 2012 +0300

    Add support for objects that are not bounded to page size.
    
    * mach-defpager/default_pager.c (struct dpager): Add new field.
    (seqnos_memory_object_data_write): If pager is not bounded to page size, 
than
    round it up.
    (seqnos_memory_object_lock_completed): Function is not in use anymore.
    (S_default_pager_object_set_size): Proceed object with any size correctly.

commit 254f7ca7e25aa91b28c49695de552042a880d18b
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 17:57:44 2012 +0300

    Add support for empty memory objects.
    
    * mach-defpager/default_pager.c (pager_extend): When old_size is 0, use 1 to
    compute power of two above it.
    (pager_truncate): Do not avoid new_size being 0.

commit 615b470e8afb140ac45afcb01c402391c2b3b013
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 17:21:36 2012 +0300

    Add support for new pageout interface for defpager.
    
    * mach-defpager/default_pager.c: (seqnos_memory_object_init,
    seqnos_memory_object_data_request): Use new interface.
    (seqnos_memory_object_data_return): Proceed request correctly.

commit 6accc4a85122b0ac627cb2a63534b3b91ec9eeb1
Author: Maksym Planeta <address@hidden>
Date:   Sat Apr 7 13:44:13 2012 +0300

    Update debugging macros definitions and remove debugging macros when it 
becomes
    hard to read the code.
    
    * mach-defpager/default_pager.c (dprintf, ddprintf): Change macros to make 
them
    more easy to use.
    (pager_port_lock, pager_port_unlock, seqnos_memory_object_data_write,
    pager_write_offset): Remove debugging messages (that are not shown at the
    moment) when it becomes hard to read the code.

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

Summary of changes:
 mach-defpager/default_pager.c |  339 ++++++++++++++++++++++-------------------
 tmpfs/dir.c                   |   10 +-
 2 files changed, 189 insertions(+), 160 deletions(-)


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