[Devel] [cr][git]linux-cr branch, ckpt-v17-dev, updated. v2.6.27-rc5-46167-g45c1135

[orenl at cs.columbia.edu]

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- Log -----------------------------------------------------------------
commit 45c11355ac16ceec2d8067ff1b3e3486fbfbce0a
Author: Oren Laadan <orenl at cs.columbia.edu>
Date:   Wed Jul 22 23:42:08 2009 -0400

    c/r: test for kmalloc failure in restore_sem_array()
    
    Pointed out by Cyrill Gorcunov <gorcunov at gmail.com>

commit f8b21d1fb5a162ae4ae8460dbde1981cf5df36a0
Author: Oren Laadan <orenl at cs.columbia.edu>
Date:   Wed Jul 22 23:06:35 2009 -0400

    c/r: add pre-header to pipe buffer to standard object format
    
    Change format of pipe state (buffer) dump according to rules:
    
    "The checkpoint image format is built of records that consist of a
    pre-header identifying its contents, followed by a payload. This
    format allow userspace tools to easily parse and skip through the
    image without requiring intimate knowledge of the data."
    
    Signed-off-by: Oren Laadan <orenl at cs.columbia.edu>

commit 9efd630c26be10aee66a7d124f57b6227257a47e
Author: Oren Laadan <orenl at cs.columbia.edu>
Date:   Wed Jul 22 22:57:52 2009 -0400

    c/r: _ckpt_read_obj_type() to read in only header if @ptr==NULL
    
    Give a way to read an object header without the payload, such that
    actual payload can be read later directly into destination buffer.
    
    _ckpt_read_obj_type() won't read in payload if @ptr==NULL, will not
    enforce object length if @len==0, and returns actual _payload_ length
    (not total length!) to caller.
    
    While at it, also a few cleanups - remove unused _ckpt_read_nbuffer(),
    documentation, and fix compiler warning on debug printk.
    
    Signed-off-by: Oren Laadan <orenl at cs.columbia.edu>

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

Summary of changes:
 checkpoint/restart.c           |   48 ++++++++++-----------------------------
 fs/pipe.c                      |   19 ++-------------
 include/linux/checkpoint_hdr.h |    7 +-----
 ipc/checkpoint_sem.c           |    2 +
 4 files changed, 19 insertions(+), 57 deletions(-)


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