CVS log for pvfs2/src/io/buffer/ncac-trove.c
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merged in changes from summer at LANL

merging hints/events code into trunk.

hints and events.

hint is given down to Trove

revert style changes back to previous versions.

run maint/pvfs2indent-80col.sh on all .c files to correct style :)

Reverse merge from trunk to lockd-branch...

reverse merge of branch

reverse merge of trunk to branch

return err if trove function failed

fixes to small io stuff to get test-zero-fill working again.  Also committing updates from HEAD to make things easier for merge.

committing lld/llu fixes to 1.3.1 branch

moved the llu and lld macros to an internal header so that we don't have to include pvfs2-config.h in the installed pvfs2-types.h header.

* malloc.h is obsolete in freebsd, check for it
* No error.h in freebsd
* linux allows Lu,Lx, and Ld to be interchangeable with llu,llx, and
lld.  Other platforms (solaris, bsd) don't.  Replaced all the L*
with ll*.
* bsd doesn't have mntent.h.  use fstab.h and our own funcs.
* bsd doesn't know about ssize_t.  Use size_t instead.
* bsd doesn't have asm errnos.  Check for each of those
errno macros and if not defined define to -1
* check for db3/db.h db4/db.h header if db path is specified using
--with-db
* darwin has aio support builtin, doesn't need -lrt
* remove kernel stuff in pvfs2-types.h that sets WORDSIZE.  gcc
defines __LP64__ on archs with 64bit longs so we use that instead.
* darwin's open doesn't accept O_LARGEFILE.  off_t is an int64 by
default.  define O_LARGEFILE if it hasn't been.
* need to run ranlib on darwin after libpvfs2.a gets installed to regenerate
table of contents

Attached patches implements trusted ports and networks similar to
what PVFS1 implemented.
It adds a new <Security> </Security> tag to the fs.conf config file
and parse utilities accordingly. We can edit these later if there
is a strong need.

Within these tags, you have to specify TrustedPorts <Range of ports> and
TrustedNetwork tcp://<network> tcp://<mask>.
I dont know how to support this cleanly on  non tcp/ip bmi
architectures, so currently this only enables it for the bmi_tcp module
alone. (i guess we could do it for bmi_ib module as well but not done
until someone says that is the right thing to do...)

Also adds support for a --trusted argument to the pvfs2-genconfig script
that will prompt for the trusted port ranges and the network address/masks and write it out
to the fs.conf and server.conf file.

Configure now supports a --enable-trusted to enable all these features.
(NOTE that the fs.conf tags (or lack of one) still allow you to not
select these features even if configure was asked to compile with this
option).

this patch also cleans up all the warnings that arises with gcc
(3.4) and --enable-strict build mode.

- apply Nathan's patch to remove warnings recently added to Jieshing's
  buffer cache code

  patch available at:
  http://www.beowulf-underground.org/pipermail/pvfs2-developers/2004-October/000885.html

Changes to the buffer code:
    1) Simplify the concurrency control in the buffer code. The upper
       layer is responsible for the write-sharing control.
    2) Separate cache mangement code from other code. "ncac-lru.c" is
       for LRU policy. "ncac-arc" is for ARC policy which is added soon.
    3) Bug fixes in the list access.

Still working on it for writes and more testing.

Initial buffer cache implementation on top of Trove.