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Implement the win7 NT_STATUS_INVALID_LOCK_RANGE.
Make smbd behave as Windows does in canceling locks.
Jeremy.
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We are assigning the complete structure now (we used to assign individual
fields), so this is obsolete.
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For a netbench run this gains around 2% user-space CPU, fetching a 100MB file
takes around 4% less.
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smbd just crashed on me: In a debug message I called a routine preparing a
string that itself used debug_ctx. The outer routine also used it after the
inner routine had returned. It was still referencing the talloc context
that the outer debug_ctx() had given us, which the inner DEBUG had already
freed.
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Re-write core of POSIX locking logic.
Jeremy.
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conditional more clear
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This patch adds 3 new VFS OPs for Windows byte range locking: BRL_LOCK_WINDOWS,
BRL_UNLOCK_WINDOWS and BRL_CANCEL_WINDOWS. Specifically:
* I renamed brl_lock_windows, brl_unlock_windows and brl_lock_cancel to
*_default as the default implementations of the VFS ops.
* The blocking_lock_record (BLR) is now passed into the brl_lock_windows and
brl_cancel_windows paths. The Onefs implementation uses it - future
implementations may find it useful too.
* Created brl_lock_cancel to do what brl_lock/brl_unlock do: set up a
lock_struct and call either the Posix or Windows lock function. These happen
to be the same for the default implementation.
* Added helper functions: increment_current_lock_count() and
decrement_current_lock_count().
* Minor spelling correction in brl_timeout_fn: brl -> blr.
* Changed blocking_lock_cancel() to return the BLR that it has cancelled. This
allows us to assert its the lock that we wanted to cancel. If this assert ever
fires, this path will need to take in the BLR to cancel, rather than choosing
on its own.
* Adds a small helper function: find_blocking_lock_record_by_id(). Used by the
OneFS implementation, but could be useful for others.
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This replaces release_level2_oplocks_on_change with
contend_level2_oplock_begin/end in order to contend level2 oplocks
throughout an operation rather than just at the begining. This is
necessary for some kernel oplock implementations, and also lays the
groundwork for better correctness in Samba's standard level2 oplock
handling. The next step for non-kernel oplocks is to add additional
state to the share mode lock struct that prevents any new opens from
granting oplocks while a contending operation is in progress.
All operations that contend level 2 oplocks are now correctly spanned
except for aio and synchronous writes. The two write paths both have
non-trivial error paths that need extra care to get right.
RAW-OPLOCK and the rest of 'make test' are still passing with this
change.
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seem to be valid (vl - feel free to confirm).
Jeremy.
(This used to be commit 43b0254d93540eeaddaa32d76dd9271f4dc2ebff)
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(This used to be commit 64b1625f8e3bca43504871747bef6631e1b18f44)
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(This used to be commit 4a6dadc5178f4861e9c032321939db3b639734b5)
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(http://samba.org/~tridge/3_0-ctdb)
Signed-off-by: Alexander Bokovoy <ab@samba.org>(This used to be commit 0c8e23afbbb2d081fc23908bafcad04650bfacea)
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locking.c:open_read_only was unused
don't export the silly boolean flag locking_init(bool read_only)
(This used to be commit 2f3c865707010bc7c463a02782dbee3dc2479da1)
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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)
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This removes file_id_string_static and file_id_string_static2
(This used to be commit 638c848c9afe374feb30e34c494f89b2a6c64f7b)
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This has been superseded by the "tdb_hashsize:<tdbname>" parameter
(This used to be commit df40d336afd256f05a0ec3724cc2096fb7114d81)
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(This used to be commit ff1996ce4b0edfee90758c85ea0ac653877a1b9f)
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(This used to be commit b2adb28808fe25d420bc12834ca8bc70779bb653)
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(This used to be commit 9b8f2d8bd144700306819480bcb260d2c20969ae)
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(This used to be commit b0132e94fc5fef936aa766fb99a306b3628e9f07)
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Jeremy.
(This used to be commit 407e6e695b8366369b7c76af1ff76869b45347b3)
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(This used to be commit cbbc70604e815f4ffd25d040ca0a4ef58e651523)
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(This used to be commit ebb410ca1e08d6f062154c9f8b3970682c6eeebd)
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- when cleaning up invalid locks make sure we mark the lck
struct as modified so it'll get saved back correctly (that
was the original intent).
Jeremy.
(This used to be commit cbf0829abcc3689edd7ab225054dfc79d43c6309)
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failed expression in SMB_ASSERT.
(This used to be commit 171dc060e2a576d724eed1ca65636bdafffd7713)
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anyway.
(This used to be commit ca1d0ff03d038372d5886ff1aa409494721142f4)
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branch, please check if it fulfils your needs.
Two changes: The validation is not done inside the brlock.c traverse_fn,
it's done as a separate routine.
Secondly, this patch does not call the checker routines in smbcontrol
directly but depends on a running smbd.
(This used to be commit 7e39d77c1f90d9025cab08918385d140e20ca25b)
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(This used to be commit c91b2bdc160d76bf0b0770fe7f92cbc7124d6c3c)
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This replaces the internal explicit dev/ino file id representation by a
"struct file_id". This is necessary as cluster file systems and NFS
don't necessarily assign the same device number to the shared file
system. With this structure in place we can now easily add different
schemes to map a file to a unique 64-bit device node.
Jeremy, you might note that I did not change the external interface of
smb_share_modes.c.
Volker
(This used to be commit 9b10dbbd5de8813fc15ebbb6be9b18010ffe8139)
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store the right data after cleaning lock records. This fixes
RAW-BENCH-LOCK after a recovery on a cluster
(This used to be commit 3da3086dbf594fbdc4cfabf78f8d3ea1df4dc8ce)
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(This used to be commit 84f9885cf8cc57dcf3c2738d6b245de314890a41)
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lock we know nothing about that we retry the lock every
10 seconds instead of waiting for the standard select
timeout. This is how we used to (and are supposed to)
work.
Jeremy.
(This used to be commit fa18fc25a50cf13c687ae88e7e5e2dda1120e017)
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locking/locking.c we have to send retry messages to timed lock holders.
The majority of this patch passes a "struct messaging_context" down
there. No functional change, survives make test.
(This used to be commit bbb508414683eeddd2ee0d2d36fe620118180bbb)
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patch.
This changes "struct process_id" to "struct server_id", keeping both is
just too much hassle. No functional change (I hope ;-))
Volker
(This used to be commit 0ad4b1226c9d91b72136310d3bbb640d2c5d67b8)
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lock_struct *
(This used to be commit 8e0e278961ebf2fa4301874d522636699ace1b9b)
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Jeremy.
(This used to be commit 8ad13718af0ba1fcb10a6f1631b1ed3cb8d11175)
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and fix all compiler warnings in the users
metze
(This used to be commit 3a28443079c141a6ce8182c65b56ca210e34f37f)
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(This used to be commit f3421ae4cfa263c0e7a8e934b40342ee9885d239)
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(This used to be commit 609dbec600048718b86cd1ecdc2ce49bbdeb803c)
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Destructors now take a pointer to the "real" destroyed object as an argument.
Volker
(This used to be commit 70edd716ef0ccb218fe18d1233bd30abe46b62bf)
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(This used to be commit e4b8c79a9d6f7323953121887af4f482d04a9228)
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we don't get the chainlock when getting the byte range
lock record read-only.
Jeremy.
(This used to be commit fcd798ca0c1b76adb2bcda4a99c40c7aacb0addb)
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a POSIX lock (applying a read-lock) and we overlap
pending read locks then send them an unlock message,
we may have allowed them to proceed.
Jeremy.
(This used to be commit a7a0b6ba50f4cf7c5a0a29809fdff9e1266a29e7)
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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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do with
our internal share number.
Funny that it worked at all :-)
Volker
(This used to be commit afa6e9094604afe1ef929cd936fbfa07b5473fd2)
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