[cr][git]linux-cr branch, ckpt-v18-dev, updated. v2.6.31-139-g371f330

Wed Nov 4 10:00:27 PST 2009

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- Log -----------------------------------------------------------------
commit 371f33026ee110e6232f3160fd312f1fdbe4bd3b
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:47 2009 -0500

    add logfd to c/r api

    and write msgs to user-provided logfile if one exists.

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit e124bb2fef7172526f66834f84db33cf63e2f1f2
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:45 2009 -0500

    remove ckpt_write_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 30478e9427ec50428ab58877fc76147968445ca1
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:44 2009 -0500

    net/{,unix}/checkpoint.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 09a6bd88b4c84621ccefd446fcd2b0536268828c
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:43 2009 -0500

    fs/eventpoll.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 03521a11a9599061518ebee50315cac83928d3ce
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:42 2009 -0500

    drivers/char/tty_io.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 30a76affe75a99a12aa5f746aad309ca95f2eb79
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:41 2009 -0500

    checkpoint/signal.c: use ckpt_err

    Also fix an instance of ckpt_write_err under spinlock

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit b03424642f4c7d944ca0f636c0f6c9fd20401903
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:40 2009 -0500

    checkpoint/process.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit cb48d731108ac61f9381c1581449de78acfc4b36
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:39 2009 -0500

    checkpoint/objhash.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 518a37d1285da2595facc2586e32e4f9a309ef8e
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:38 2009 -0500

    checkpoint/memory.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 92c90a19579d4bf45a1017d6fbb1c4d269d3e789
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:37 2009 -0500

    checkpoint/files.c: use ckpt_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 901cea729d7e6df21fbf89ea596eacb918a9aea9
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:36 2009 -0500

    checkpoint/checkpoint.c: use ckpt_err

    This also fixes a bug where ckpt_write_err was called under rwlock_t.

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit c7fbaefb08e672ececb8ac2a6fa862d8b5bf3ae7
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Wed Nov 4 12:08:34 2009 -0500

    arch/x86/mm/checkpoint.c: use ckp_err

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>

commit 4aab33cac4c6d82b396108004c36fdffad36c694
Author: Serge E. Hallyn <serue at us.ibm.com>
Date:   Sun Nov 1 09:19:40 2009 -0500

    define a new set of functions for error and debug logging

    The checkpoint context now includes buffers for an expanded
    format and for messages to be written out.  A mutex protects
    these buffers as they are being built up and written out.
    ckpt_msg() will write general informative (debug) messages to
    syslog and an optional user-provided logfile.  ckpt_err() will
    write errors to the same places, and, if it is a checkpoint
    operation, also to the checkpoint image.

    (This is intended to implement Oren's suggestion verbatim)

    Changelog:
    	Nov 3: Several suggestions by Matt, including:
    		msg_complete return on empty msg; make _ckpt_generate_fmt
    		static; and dont put spaces between prefix tags.
    	Nov 3: Make sure ctx->fmt ends with \0!
    	Nov 3: pass errno to ckpt_err(), and have ckpt_msg_complete()
    		only write to checkpoint image if ctx->errno is set.

    Signed-off-by: Serge E. Hallyn <serue at us.ibm.com>
    Acked-by: Matt Helsley <matthltc at us.ibm.com>

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

Summary of changes:
 arch/x86/mm/checkpoint.c         |    5 +-
 checkpoint/checkpoint.c          |  217 ++++----------------------------------
 checkpoint/files.c               |   23 ++--
 checkpoint/memory.c              |   10 +-
 checkpoint/objhash.c             |   27 +++---
 checkpoint/process.c             |    8 +-
 checkpoint/signal.c              |   11 +-
 checkpoint/sys.c                 |  203 ++++++++++++++++++++++++++++++++++-
 drivers/char/tty_io.c            |   24 +++--
 fs/eventpoll.c                   |    2 +-
 include/linux/checkpoint.h       |   75 ++++++++++++--
 include/linux/checkpoint_types.h |    6 +
 include/linux/syscalls.h         |    5 +-
 net/checkpoint.c                 |   14 ++--
 net/unix/checkpoint.c            |    5 +-
 15 files changed, 363 insertions(+), 272 deletions(-)

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