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* system: add hole punch support to sys_fallocate()David Disseldorp2015-03-091-0/+1
| | | | | | | | If Samba is configured with FALLOC_FL_PUNCH_HOLE support, then allow sys_fallocate() to propogate the flag to syscall invocation. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3/vfs: change fallocate mode flags from enum->uint32_tDavid Disseldorp2015-03-092-9/+9
| | | | | | | | | | | | | | | | | | | | The Linux fallocate syscall offers a mode parameter which can take the following flags: FALLOC_FL_KEEP_SIZE FALLOC_FL_PUNCH_HOLE (since 2.6.38) FALLOC_FL_COLLAPSE_RANGE (since 3.15) FALLOC_FL_ZERO_RANGE (since 3.14) The flags are not exclusive, e.g. FALLOC_FL_PUNCH_HOLE must be specified alongside FALLOC_FL_KEEP_SIZE. Samba currently takes a vfs_fallocate_mode enum parameter for the VFS fallocate hook, taking either an EXTEND_SIZE or KEEP_SIZE value. This commit changes the fallocate hook such that it accepts a uint32_t flags parameter, in preparation for PUNCH_HOLE and ZERO_RANGE support. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: profile the system and user space cpu timeStefan Metzmacher2015-03-061-0/+2
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
* s3:smbprofile: Replace sysv shmem with tdbVolker Lendecke2015-03-061-17/+99
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | What? This patch gets rid of the central shared memory segment referenced by "profile_p". Instead, every smbd gets a static profile_area where it collects profiling data. Once a second, every smbd writes this profiling data into a record of its own in a "smbprofile.tdb". smbstatus -P does a tdb_traverse on this database and sums up what it finds. Why? At least in my perception sysv IPC has not the best reputation on earth. The code before this patch uses shmat(). Samba ages ago has developed a good abstraction of shared memory: It's called tdb. The main reason why I started this is that I have a request to become more flexible with profiling data. Samba should be able to collect data per share or per user, something which is almost impossible to do with a fixed structure. My idea is to for example install a profile area per share and every second marshall this into one tdb record indexed by share name. smbstatus -P would then also collect the data and either aggregate them or put them into individual per-share statistics. This flexibility in the data model is not really possible with one fixed structure. But isn't it slow? Well, I don't think so. I can't really prove it, but I do believe that on large boxes atomically incrementing a shared memory value for every SMB does show up due to NUMA effects. With this patch the hot code path is completely process-local. Once a second every smbd writes into a central tdb, this of course does atomic operations. But it's once a second, not on every SMB2 read. There's two places where I would like to improve things: With the current code all smbds wake up once a second. With 10,000 potentially idle smbds this will become noticable. That's why the current only starts the timer when something has changed. The second place is the tdb traverse: Right now traverse is blocking in the sense that when it has to switch hash chains it will block. With mutexes, this means a syscall. I have a traverse light in mind that works as follows: It assumes a locked hash chain and then walks the complete chain in one run without unlocking in between. This way the caller can do nonblocking locks in the first round and only do blocking locks in a second round. Also, a lot of syscall overhead will vanish. This way smbstatus -P will have almost zero impact on normal operations. Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
* s3:smbprofile: specify SMBPROFILE_STATS_SECTION_START() with name vs. ↵Stefan Metzmacher2015-03-061-10/+10
| | | | | | | | display[name] Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
* libsmb: Make "ip_service_compare" staticVolker Lendecke2015-02-271-1/+0
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Feb 27 06:20:58 CET 2015 on sn-devel-104
* s3/vfs: bump interface version number to 33David Disseldorp2015-02-181-1/+2
| | | | | | | | | The SMB_VFS_DISK_FREE() small_query parameter removal cleanup will not be merged for Samba 4.2, so the master SMB_VFS_INTERFACE_VERSION number should be bumped above what's currently present in the 4.2 branch. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* printing: rework nt_printer_guid_store to return errorsAndreas Schneider2015-02-181-0/+3
| | | | | | | | | | | Callers can now choose whether or not to ignore errors. BUG: https://bugzilla.samba.org/show_bug.cgi?id=11018 Pair-programmed-with: David Disseldorp <ddiss@samba.org> Signed-off-by: Andreas Schneider <asn@samba.org> Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Guenther Deschner <gd@samba.org>
* printing: add nt_printer_guid_retrieve() helperDavid Disseldorp2015-02-181-0/+3
| | | | | | | | | | | | This function connects to the domain controller and retrieves the GUID for the corresponding printer DN. BUG: https://bugzilla.samba.org/show_bug.cgi?id=11018 Pair-programmed-with: Andreas Schneider <asn@samba.org> Signed-off-by: David Disseldorp <ddiss@samba.org> Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Guenther Deschner <gd@samba.org>
* s3/vfs: remove unused SMB_VFS_DISK_FREE() small_query parameterDavid Disseldorp2015-02-172-9/+9
| | | | | | | | | | | | | | | The small_query parameter for SMB_VFS_DISK_FREE() was, prior to the previous commit, used to obtain 16-bit wide free-space information for the deprecated dskattr SMB_COM_QUERY_INFORMATION_DISK command. With the dskattr handler now performing the 16-bit collapse directly, the small_query parameter can be removed from the entire code path. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Tue Feb 17 05:37:20 CET 2015 on sn-devel-104
* Remove an unused function call.Richard Sharpe2015-02-131-1/+0
| | | | | | | | Signed-off-by: Richard Sharpe <rsharpe@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Fri Feb 13 23:29:54 CET 2015 on sn-devel-104
* Happy New Year 2015!Stefan Metzmacher2015-01-011-1/+1
| | | | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Thu Jan 1 02:47:59 CET 2015 on sn-devel-104
* s3:passdb: add optional get_trusteddom_creds() hooksStefan Metzmacher2014-12-181-0/+8
| | | | | | | Bug: https://bugzilla.samba.org/show_bug.cgi?id=11016 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* messaging3: Add messaging_handler_send/recvVolker Lendecke2014-12-161-0/+8
| | | | | | | | | This repeatedly listens on msg_type. It's similar to messaging_register with talloc based autocleanup. The handler is free to talloc_move a way the record for later use. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* messaging3: Add messaging_send_iov_fromVolker Lendecke2014-12-161-0/+5
| | | | | | | In the notifyd code it will be very helpful to fake source server_ids Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* messaging3: Add messaging_names_dbVolker Lendecke2014-12-161-0/+1
| | | | | | | | This will enable messaging3 users to more easily register themselves under a name Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* lib: Split out write_data[_iov]Volker Lendecke2014-12-071-2/+0
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* lib: Split out iov_buf[len]Volker Lendecke2014-12-071-2/+1
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* lib: read_data->read_data_ntstatusVolker Lendecke2014-12-071-1/+1
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* lib: Split out sys_[read|write] & friendsVolker Lendecke2014-12-071-5/+0
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:vfs: add create tags to SMB_VFS_CREATEFILERalph Boehme2014-12-042-7/+14
| | | | | Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:vfs: add SMB_VFS_READDIR_ATTR()Ralph Boehme2014-12-043-0/+16
| | | | | | | | | | | | SMB_VFS_READDIR_ATTR is a last minute hook to fetch additional metadata for a directory entry when we're already marshalling the SMB reply buffer. This would be used, when there's a need to repurpose some fields in the the reply, like it's done with Apple's SMB2 extension "AAPL". Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:vfs.h: add more elements to struct fsp_leaseStefan Metzmacher2014-12-041-0/+2
| | | | | | | | We'll need a reference to the smbd_server_connection as well as a timeout handler. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:open_files.idl: add data structures for SMB2.1 and SMB3.0 leases.Stefan Metzmacher2014-12-041-0/+1
| | | | | | | Pair-Programmed-With: Volker Lendecke <vl@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org>
* idmap: unify passdb *id_to_sid methodsGarming Sam2014-12-031-7/+21
| | | | | | | | | | | | | | | Instead of passing down gid or uid, a pointer to a unixid is now sent down. This acts as an in-out variable so that the idmap functions can correctly receive ID_TYPE_BOTH, filling in cache details correctly rather than forcing the cache to store ID_TYPE_UID or ID_TYPE_GID. BUG: https://bugzilla.samba.org/show_bug.cgi?id=10720 Change-Id: I11409a0f498e61a3c0a6ae606dd7af1135e6b066 Pair-programmed-with: Andrew Bartlett <abarlet@samba.org> Signed-off-by: Garming Sam <garming@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* param: remove unused get_share_params()David Disseldorp2014-11-261-2/+0
| | | | | | | | | | | Given a share name, get_share_params() returns corresponding snum inside a struct share_params. find_service() provides duplicate functionality. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Wed Nov 26 21:27:21 CET 2014 on sn-devel-104
* s3:smbprofile: profile async pread/pwrite/fsync syscallsStefan Metzmacher2014-11-191-0/+3
| | | | | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Wed Nov 19 23:13:10 CET 2014 on sn-devel-104
* s3:smbprofile: track connect_count and disconnect_countStefan Metzmacher2014-11-191-0/+2
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: remove unused {START,END}_PROFILE_STAMP()Stefan Metzmacher2014-11-191-19/+0
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: report idle state of 'idle_count' and 'idle_time'Stefan Metzmacher2014-11-191-1/+1
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: improve profiling for the security context switching.Stefan Metzmacher2014-11-191-1/+4
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: count all SMB1 and SMB2 requests as 'request_count'Stefan Metzmacher2014-11-191-1/+1
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smb2_server: use async smbprofile macrosStefan Metzmacher2014-11-191-19/+19
| | | | | | | | This improves profiling and corrently counts the total and idle time for async requests. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: rewrite the internal macrosStefan Metzmacher2014-11-191-829/+467
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We now autogenerate a lot of code using SMBPROFILE_STATS_ALL_SECTIONS macro which expands to different SMBPROFILE_STATS_{COUNT,BASIC,BYTES,IOBYTES} macros. This also allows async profiling using: struct mystate { ... SMBPROFILE_BASIC_ASYNC_STATE(profile_state); ... }; ... SMBPROFILE_BASIC_ASYNC_START(SMB2_negotiate, profile_p, mystate->profile_state); ... SMBPROFILE_BYTES_ASYNC_SET_IDLE(mystate->profile_state); ... SMBPROFILE_BYTES_ASYNC_SET_BUSY(mystate->profile_state); ... SMBPROFILE_BASIC_ASYNC_END(mystate->profile_state); The current START_PROFILE*()/END_PROFILE*() are implemented as legacy wrappers. Signed-off-by: Stefan Metzmacher <metze@samba.org>
* s3:smbprofile: Make smbprofile.h includable on its ownVolker Lendecke2014-11-191-0/+2
| | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbd: improve writecache profilingStefan Metzmacher2014-11-192-9/+16
| | | | | | | | | | | | | | | | | In order to have useful profiling counters should never be decremented. We need a separate counter for deallocation events. The current value can be calculated by allocations - deallocations. We also use better names and avoid having an array for the flush reasons. This will simplify further profiling improvements a lot. The value writecache_num_write_caches (this was similar to writecache_allocations) is replaced by writecache_cached_writes, which counts the amount of writes which were completely handled by the cache. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: remove unused nmbd related countersStefan Metzmacher2014-11-191-73/+0
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:smbprofile: add END_PROFILE_BYTES() marcoStefan Metzmacher2014-11-191-0/+4
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3-proto: remove duplicate proto for add_string_to_array().Günther Deschner2014-11-171-3/+0
| | | | | | | Guenther Signed-off-by: Günther Deschner <gd@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
* lib: Slightly simplify strupper_mVolker Lendecke2014-11-141-8/+0
| | | | | | | | | | toupper_ascii_fast_table is only referenced here, make it static. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Nov 14 00:31:16 CET 2014 on sn-devel-104
* printing: add jobid_to_sysjob helper functionDavid Disseldorp2014-10-301-0/+1
| | | | | | | | | | | | Samba needs to deal with two types of print job identifiers, those allocated by the printing backend (sysjob ids), and those allocated by Samba's spoolss server (jobids). This change adds a helper function to map spoolss jobids to sysjob ids, to go alongside the corresponding sysjob to jobid mapping function. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3:libsmb: remove unused cli_set_username() functionStefan Metzmacher2014-10-171-3/+0
| | | | | | Change-Id: Ib432b4ff66f966de9e733e01de6de2f486c0c728 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* s3:libsmb: Remove unused domain copy stored in cli_stateStefan Metzmacher2014-10-171-1/+0
| | | | | | Change-Id: I7333140906bb3a487205b5760396dcc00a9f49b0 Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3:libsmb: Remove unused password copy stored in cli_stateAndrew Bartlett2014-10-171-1/+0
| | | | | | Change-Id: Ia6b33a25628ae08be8a8c6baeb71ce390315cb45 Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3-librpc: Add cli_rpc_pipe_open_with_creds()Andrew Bartlett2014-10-171-0/+2
| | | | | | | | | | | This provides a credentials-based interface. In the long term, we will want to change this not to reference the credentials, but for now this suits the caller in winbindd_cm.c Andrew Bartlett Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3: smbd: Preparation for leases code merge. Ensure VFS is ready for 4.2.0.Jeremy Allison2014-10-101-0/+7
| | | | | | | | Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Oct 10 02:55:53 CEST 2014 on sn-devel-104
* s3-winbindd: Allow winbindd to connect over SMB2 to serversAndrew Bartlett2014-10-081-0/+2
| | | | | | | | | | | This allows SMB signing to work against many more DCs, and so improves network security. The default for "client max protocol" remains NT1 in the rest of the code. Andrew Bartlett Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* profiling: Make WITH_PROFILE span more in smbprofile.hVolker Lendecke2014-10-031-2/+3
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Fri Oct 3 22:17:46 CEST 2014 on sn-devel-104
* profiling: Fix a typoVolker Lendecke2014-10-031-1/+1
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* profiling: Move some #defines to profile.cVolker Lendecke2014-10-031-4/+0
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
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