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commit 45c11355ac16ceec2d8067ff1b3e3486fbfbce0a
Author: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
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@xxxxxxxxx>
commit f8b21d1fb5a162ae4ae8460dbde1981cf5df36a0
Author: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
commit 9efd630c26be10aee66a7d124f57b6227257a47e
Author: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
-----------------------------------------------------------------------
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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