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on write-only files. Jim please check. Should not affect
Windows clients - I ensured all the relevent Samba4
torture tests still pass.
Jeremy.
(This used to be commit 6df3cac44fb1eafa84f9fc0ce4485242b4cce111)
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the vfs layer, since gpfs supports it. Thanks to Volker, Christian,
Mathias, Chetan, and Peter.
(This used to be commit 0620658890fa9c68a9848538728023192319c81a)
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(This used to be commit 6bc2cce645af94274a5959312c52799c221b0899)
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and server code.
This has had some basic testing. I'll do more during the next couple of days and hopefully also
make RPC-SRVSVC from Samba4 pass against it.
(This used to be commit ef10672399c4b82700dc431b4d93431ffdd42d98)
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value into an auto on the stack that gets removed when
we return from the frame :-).
Jeremy.
(This used to be commit 85bf8a16116e5eb9d4400e809531737d45890abb)
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fix the messaging code to call the efficient calls :
save_re_uid()
set_effective_uid(0);
messaging_op
restore_re_uid();
instead of using heavyweight become_root()/unbecome_root()
pairs around all messaging code. Fixup the messaging
code to ensure sec_init() is called (only once) so that non-root
processes still work when sending messages.
This is a lighter weight solution to become_root()/unbecome_root()
(which swaps all the supplemental groups) and should be more
efficient. I will migrate all server code over to using this
(a similar technique should be used in the passdb backend
where needed).
Jeremy.
(This used to be commit 4ace291278d9a44f5c577bdd3b282c1231e543df)
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Jeremy, I'm sure you will look at this nevertheless :-)
Volker
(This used to be commit 3ef34468b55771b6f6b54454fa6c9decc183c565)
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in one place.
Jeremy.
(This used to be commit f326bae3e269046b6f087626240cddbb5dafb0e4)
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Jeremy.
(This used to be commit 8eed82d5d5ba34cc0a6b99b9d0df45eec5f788fa)
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to copy over the copy of the access_mask, open_access_mask.
Jerry - this is a definate fix for a 3.0.23b and should also
be on the patches page. CIFSFS breaks without this.
Jeremy.
(This used to be commit d11e71ebcccf6907f2404a04aa6bf61b12ab2709)
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(This used to be commit 2e400fb0077ccef38fff28ef037f982624b7815b)
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(This used to be commit 640b4297a400fe23418e9c1c01d4c14ce3bde5b4)
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reschedule.
Jeremy.
(This used to be commit 11bab9d57958659c71f053fe8dc0f9156c9f3c1f)
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from the client requested access mask.
Jeremy.
(This used to be commit 12490fafc7f98952bf709c4c504f8f2b5646f197)
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that create dispositions that cause O_TRUNC break
oplocks. This simplifies the code - although we have
to keep separate the client requested access mask and
the access mask we actually use to open the file.
Jeremy.
(This used to be commit 3bcd52a4752ec6c2a8f678afa3b7b3646103ad60)
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file unless we really have to (ie. O_CREAT and file
doesn't exist).
Jeremy.
(This used to be commit 788aa15ea24e6dfb61820465b5b881829a64297a)
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Jeremy.
(This used to be commit b3b5aec0eef3bdcae75ce79ffd3ecf21fb1279e7)
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oplocks that were granted when we had released the lock. Fix
strange case where stat open grants a batch oplock on file
create, but grants no oplock on file open.
Jeremy.
(This used to be commit b7374835e6ec0c98fc4020623f0a37c0c173b8aa)
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no way to get all the cases where kernel oplocks are
on and we can't open the file and get the correct
semantics (think about the open with truncate with
an attribute only open - we'd need a vfs change to
add the truncate(fname, len) call). So always drop
the share mode lock before doing any real fd opens and
then re-acquire it afterwards. We're already dealing
with the race in the create case, and we deal with
any other races in the same way. Volker, please
examine *carefully* :-). This should fix the problems
people reported with kernel oplocks being on.
Jeremy.
(This used to be commit 8171c4c404e9f382880c65daa0232f89e560f399)
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to do the upper layer directories but this is what
everyone is waiting for....
Jeremy.
(This used to be commit 9dafb7f48ca3e7af956b0a7d1720c2546fc4cfb8)
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share_mode struct. Allows us to know the unix
uid of the opener of the file/directory. Needed
for info level queries on open files.
Jeremy.
(This used to be commit d929323d6f513902381369d77bcd7b714346d713)
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(This used to be commit 6c1f1c091f5e87bf9464fe8ad7eb2cb683819a62)
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(This used to be commit 3a7d01afbebe5c4c36935b6128998e1327c8f856)
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the same place on error - I missed the extra free in
delay_for_oplocks).
Jeremy.
(This used to be commit 146a2648156563b41642d42c46aff401e435a42b)
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Jeremy.
(This used to be commit 1117a327bd4fb425d25ea63df782095701fb83bb)
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This allows a requestor to set FORCE_OPLOCK_BREAK_TO_NONE
to ensure we don't break to level 2. Fixed a couple
of resource leaks in error paths in open_file_ntcreatex.
Jeremy.
(This used to be commit c7c9adcce7f13d01445f31b07fb28a76f0a1d6df)
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mid replies on path based set-eof trans2 calls.
Needs modification for HEAD (as in head open_file_ntcreateX
properly returns NTSTATUS - I'll fix this tomorrow my
time). Secondly it still fails the Samba4 RAW-OPLOCK
smbtorture because of an interesting case. Our oplock
code always returns "break to level 2" if it can.
In this case (path-based set-eof or set-allocation size
on an exclusive oplocked file) W2K3 always sends a
break-to-none. We send the break to none (from level2)
after we've done the write for eof or allocation size.
I need to work out some way of telling our break code
to always break to none (might need to extend the message
field).
Jeremy.
(This used to be commit ad9895c654f400e242adcd4099f7cd004521ee92)
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open_file_shared.
(This used to be commit 784126edff942d1c2f79f7c9feb59980426f331e)
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extra fn calls.
Jeremy.
(This used to be commit e468e1e5c2dbee29066f0efe4141d8705def5d6f)
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This could be the cause of the perf. problem reported
between 3.0.14a and 3.0.2x. Lufthansa has *wireless*
on their flights to the USA now... (I'm in heaven ! :-).
Jeremy.
(This used to be commit dbc03125f2643f8ecff8e901cb23fa6408cce011)
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Pass Samba4 oplock test (with kernel oplocks off).
Jeremy.
(This used to be commit 3c260bcce2de76d724279e07dca61eadddfb8782)
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is produced when a process exits abnormally.
First, we coalesce the core dumping code so that we greatly improve our
odds of being able to produce a core file, even in the case of a memory
fault. I've removed duplicates of dump_core() and split it in two to
reduce the amount of work needed to actually do the dump.
Second, we refactor the exit_server code path to always log an explanation
and a stack trace. My goal is to always produce enough log information
for us to be able to explain any server exit, though there is a risk
that this could produce too much log information on a flaky network.
Finally, smbcontrol has gained a smbd fault injection operation to test
the changes above. This is only enabled for developer builds.
(This used to be commit 56bc02d64498eb3faf89f0c5452b9299daea8e95)
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make test
as done in samba4
metze
(This used to be commit b98dd258a74a1e1b4e967e6176a5a92986d03123)
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because lck->num_share_modes != 0 doesn't mean that
there *are* other valid share modes. They may be
all marked "UNUSED" or be deferred open entries.
In that case don't downgrade the granted oplock to
level2 needlessly - a client can have an exclusive
oplock in this case. The original code handled this
correctly in the lck->num_share_modes == 0 case but
not in the case where there were no valid share modes
but lck->num_share_modes != 0. I'll clean up my
Samba4 torture tester for this and commit it tomorrow.
Jeremy.
(This used to be commit 306061c93d9181262298516fefd83444f5a65ce5)
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The sad thing is the core of this bug fix is just
removing a paranoia "exit_server" call, as the
rest of the logic was already correct :-).
Lots of comments to explain the logic added.
I will look at adding tests to exercise this,
might be possible.
Jeremy.
(This used to be commit c2488db727e1a00f112be7b169de9e6208e311f3)
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to NULL
out a pointer after talloc_destroy().
Volker
(This used to be commit 788e52eb5d17a8f5b41b6ad5244ccf448fc81a36)
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macro which sets the freed pointer to NULL.
(This used to be commit b65be8874a2efe5a4b167448960a4fcf6bd995e2)
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<sandman@electric-cloud.com>.
mkdir foo returns the wrong error message when file foo exists.
Jeremy.
(This used to be commit c8185e7f94cbcf2125bf0e84db02fb8d19111f60)
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Sync with trunk as off r13315
(This used to be commit 17e63ac4ed8325c0d44fe62b2442449f3298559f)
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Remove check_for_pipe() - Volker was completely correct.
If it gets re-added it will be in a old open call path, not
in the generic code path.
Jeremy.
(This used to be commit 50c894a6e949d4d3579926650674f381a821a671)
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honored (ie. the file gets deleted) for derectories when set at open
time - even though it doesn't show in the qfileinfo call. This is not
true of files.... (if anyone from the EU is listening, it's stuff like
this that makes CIFS non-documentable :-).
Jeremy.
(This used to be commit e2fc8a196a06f76aa47fabc30872c701a2f7ccec)
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by saving the UNIX token used to set a delete on close flag,
and using it when doing the delete. libsmbsharemodes.so still
needs updating to cope with this change.
Samba4 torture tests to follow.
Jeremy.
(This used to be commit 23f16cbc2e8cde97c486831e26bcafd4ab4a9654)
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jason qian <jason@infrant.com> was a *fantastic*
help in tracking this down.
Jeremy.
(This used to be commit 9f4a9c70fa232047868e5d8a3f132a2dd6bfee82)
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always linearize into little-endian. Should fix all
Solaris issues with this, plus provide a cleaner base
moving forward for cluster-aware Samba where smbd's
can communicate across different compilers/architectures
(eventually these message will have to go cross-machine).
Jeremy.
(This used to be commit d01824b78576a034428e1cef73868d1169057991)
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before it goes in.
Volker
(This used to be commit 2c3d5c029a31111e1fe84ddc13c1bfc183d8bfde)
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modes and
oplocks across the cluster. Adapt Samba to it.
The gpfs API is called via libgpfs.so. This code is written with dlopen(), so
that you can compile on a system with gpfs installed and later on run on
systems without gpfs available.
So to actually make Samba call gpfs share mode calls you need to compile with
gpfs.h and libgpfs.so around and set 'gpfs share = yes' on the shares you
export from GPFS.
Volker
(This used to be commit 2253b17a1a88555291b59d52c826c81c2b8f7e7f)
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(This used to be commit 040eda6bf0517204d5650702eea7e1d1c5eeb3d5)
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that have open file handles to allow them to correctly
implement delete on close. There is a further correctness
fix I'm intending to add to this to cope with different share
paths, but not right now...
Jeremy.
(This used to be commit 932e337db8788e75344e1c7cf1ef009d090cb039)
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revving the minor version number for libsmbsharemodes (we
now have a new _ex interface that takes the share path
as well as the filename). Needed for #3303. Some code written
by SATOH Fumiyasu <fumiya@samba.gr.jp> included in the changes
to locking/locking.c. The smbstatus output is a bit of a mess
and needs overhauling...
Jeremy.
(This used to be commit 9d93af713f8520ca506730dd32aa2b994937eaba)
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can treat them similarly to file opens (delete on
close, share mode violations etc.). This fixes bug
#3216 I will up the default hash size on the locking
db in a later commit as this means more entries.
Jeremy.
(This used to be commit 1134abbbb3fd8e8b88e1a5817aae106476a4c126)
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