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This is a more general API that caches data with a LRU scheme. See
include/cache.h. No comments yet, I'm still working on it. But Jeremy has given
me a hint in one of his checkins that he would like to make use of this now.
The idea is that we get rid of all our silly little caches and merge them all
into one cache that we can then very easily trim, for example even with a
smbcontrol message if someone decides memory is tight. The main user is the
stat cache, this patch also converts the getwd cache. More caches to come.
(This used to be commit 7a911b35713538d82001a3c9f34152e293fe1943)
them with malloc'ing accessor functions. Should save a
lot of static space :-).
Jeremy.
(This used to be commit 52dc5eaef2106015b3a8b659e818bdb15ad94b05)
Remove all vestiges of pstring (except for smbctool as noted
in previous commit).
Jeremy
(This used to be commit 4c32a22ac50ada3275d2ffba3c1aa08bee7d1549)
one horror (pstring_clean_name()) which will have to
remain until I've removed all pstrings from the client code.
Jeremy.
(This used to be commit 1ea3ac80146b83c2522b69e7747c823366a2b47d)
(128k). Add debug error messages so we can see why
writeX large is denied. Ensure we don't allow recvfile
writes on IPC$.
Jeremy.
(This used to be commit 6bf053a6a17749a3bc73c8cc5fd490aa5f93b763)
The point is doing the following associations:
- non discardable state data (all TDB files that may need to be backed
up) go to statedir
- shared data (codepage stuff) go to codepagedir
The patch *does not change* the default location for these
directories. So, there is no behaviour change when applying it.
The main change is for samba developers who have to think when dealing
with files that previously pertained to libdir whether they:
- go in statedir
- go in codepagedir
- stay in libdir
(This used to be commit d6cdbfd875bb2653e831d314726c3240beb0a96b)
Hi!
Attached find a patch that I've wanted to check in for ages.
The whole area probably needs a major rewrite, but this is a
minimal patch that on a 32-bit box saves 1.5k per smbd per
defined share, twice as much on a 64-bit box.
Volker
From ebb80e664ecc49eb597a45cb57e1067fbae49e62 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@sernet.de>
Date: Wed, 31 Oct 2007 15:04:34 +0100
Subject: [PATCH] Change global->copymap from bool* to a bitmap
We right now have 401 parameters, so with bool being represented as a 64-bit
integer this saves about 3k of memory per smbd per share that is defined in
smb.conf.
(This used to be commit 94f2c35a683eace7f9f3dad9748aaec93f7c534f)
to zero). If non-zero, writeX calls greater than this
value will be left in the socket buffer for later handling
with recvfile (or userspace equivalent). Definition of
recvfile for your system is left as an exercise for
the reader (I'm working on getting splice working :-).
Jeremy.
(This used to be commit 11c03b75ddbcb6e36b231bb40a1773d1c550621c)
bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3cbb3e5fa6a86be60f34fe340a3ca71f)
Control this by a new boolean smb.conf option "debug class" which is
by default set to "no" to keep the default debug header unchanged.
Michael
Note: You need to make clean for this patch.
(This used to be commit 066a46ba91ca734d9e20cb9d6db36fec209a27d7)
interface. More development will come on top of this. Remove the
"mangled map" parameter.
Jeremy.
(This used to be commit dee8beba7a92b8a3f68bbcc59fd0a827f68c7736)
This adds the two functions talloc_stackframe() and talloc_tos().
* When a new talloc stackframe is allocated with talloc_stackframe(), then
* the TALLOC_CTX returned with talloc_tos() is reset to that new
* frame. Whenever that stack frame is TALLOC_FREE()'ed, then the reverse
* happens: The previous talloc_tos() is restored.
*
* This API is designed to be robust in the sense that if someone forgets to
* TALLOC_FREE() a stackframe, then the next outer one correctly cleans up and
* resets the talloc_tos().
The original motivation for this patch was to get rid of the
sid_string_static & friends buffers. Explicitly passing talloc context
everywhere clutters code too much for my taste, so an implicit
talloc_tos() is introduced here. Many of these static buffers are
replaced by a single static pointer.
The intended use would thus be that low-level functions can rather
freely push stuff to talloc_tos, the upper layers clean up by freeing
the stackframe. The more of these stackframes are used and correctly
freed the more exact the memory cleanup happens.
This patch removes the main_loop_talloc_ctx, tmp_talloc_ctx and
lp_talloc_ctx (did I forget any?)
So, never do a
tmp_ctx = talloc_init("foo");
anymore, instead, use
tmp_ctx = talloc_stackframe()
:-)
Volker
(This used to be commit 6585ea2cb7f417e14540495b9c7380fe9c8c717b)
use of directory name cache, 100 by default. Will be needed
to turn this off for *BSD systems.
Jeremy.
(This used to be commit bea8e9840fd65268e649f813eba10502b0c4d721)
if parsing of the boolean string was successful.
Also, initialize the local result variable
(although not strictly necessary anymore, now.)
(This used to be commit bf0daa74fadcd506b80c29d04ccf6ec7345ee0e1)
contains a correct representation of a boolean value (in the
understanding of loadparm.c).
Make set_boolean() catch passing NULL for the boolean target.
Michael
(This used to be commit d13eaa60f504987445b7333ef6972491c9483e6a)
be called with inverse == NULL.
Add a new function lp_parameter_is_canonical() to check whether a
parameter name is the canonical name (as apposed to an alias).
Michael
(This used to be commit 07dc0fecf5116b34e468bddae8b36920c492717a)
a parameter and value into the canonical paramter with the value
inverted if it was in invers boolean synonym.
Make net conf use this function when storing parameters.
Michael
(This used to be commit 3b762ab18392fd06427957b0263262e3b8e34b9d)
parameter given in string representation into a function of its
own (map_parameter_canonical).
Michael
(This used to be commit 0dfb5eee25e287c129f7d34e4d079c60d56dce59)
Also simplify lp_canonicalize_parameter by making use of
the new function "is_synonym_of".
Michael
Note: If anything depends on the exact former output format of
show_parameter list, I would trigger the output of synonym information
by a boolean verbose switch (that could be passed to testparm
via the "-v" command line switch).
(This used to be commit fd2dbae82594c6d6ab10a7318f127aea0a9a61ea)
and produces the "canonical" (or main) name of the parameter (the one
synonym that does not have the flag FLAG_HIDE). The function also sets
a flag as to whether the synonym is a reverse boolean synonym.
Add some functions for the handling of string representations of boolean
values: return the canonical string representation of a bool, invert
a bool given as a string, canonicalize a bool given as a string.
Michael
(This used to be commit 113ac07199aaf2271af6eba2611dad429ee4c416)
Talked to both Tridge and Jeremy about this, Tridge said that there is a
special error message persuading OS/2 to fall back to other methods.
The calls now checked in always return the error message we used to
return when "read bmpx = False" was set (the default): ERRSRV, ERRuseSTD.
If someone has a reproducable test case where this is really needed, we
can always dig it up from version control and convert it to the new API.
But that time without that silly parameter, and with a torture test case
for "make test" please :-)
Volker
(This used to be commit d941aae2dfd11609e807bf4ce712571a2e354627)
add in any cluster addresses. We need to response to these,
but not listen on them. This allows us to run nmbd on every
node in the cluster, and have all of them register with a
WINS server correctly
metze
(This used to be commit 98c57562c4dcf04b72a1e4ad5d9f5cf48e7d0b28)
given to "net conf setparm". Add a utility function
lp_parameter_valid() for this to loadparm.c.
Michael
(This used to be commit 639051e58d4da9fb1116c19f0790250640b6ac7a)
(This will be used in a next step to prevent storing these
values in reg_smbconf.c.)
Michael
(This used to be commit 00be68a8416405e12a27186506f9eb15bca055b3)
not effective for the global section (snum < 0). This checkin
makes it effective for the global section, too.
This does not produce changes in the results of the present calls of
lp_next_parameter: Beside the new use in utils/net_conf.c (which is
hereby fixed), the only calls of lp_next_parameter are in web/swat.c,
where it is effectively always called with allparameters == 1.
Michael
(This used to be commit 56f82485ec3b14ddcbcf7f5823926a94b17683f3)
