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Also add an inline accessor function (get_handle). This also removes the unused function connection_get_handle. --- server/internal.h | 24 ++++++++++++++++----- server/backend.c | 50 ++++++++++++++++++++++---------------------- server/connections.c | 11 +--------- 3 files changed, 45 insertions(+), 40 deletions(-) diff --git a/serve...

I believe this roughly implements Nir's proposal here: https://www.redhat.com/archives/libguestfs/2020-August/msg00028.html Unfortunately it doesn't work for me. It actually slows things down quite a lot, for reasons I don't understand. Note the adjustment of the pool-max parameter and how it affects the total time. The results are quite reproducible. $ ./nbdkit -r -U - vddk

...:DSDB_MapBuffer Use: "HardwareAcceleration" = "Emulation" in th e [dsound] section of your config file. fixme:opengl:wglSwapIntervalEXT (0),stub! fixme:comm:SetupComm insize 1024 outsize 1024 unimplemented stub trace:comm:SetCommTimeouts (0xc8,0x4069f964) trace:comm:GetCommState handle 0xc8, ptr 0x4069f978 trace:comm:GetCommState OK trace:comm:GetCommState bytesize 8 baudrate 38400 fParity 0 Parity 0 st opbits 1 trace:comm:GetCommState IXON ~IXOFF trace:comm:GetCommState fOutxCtsFlow 0 fRtsControl 1 trace:comm:GetCommState fOutxDsrFlow 0 fDtrControl1 trace:comm:GetCommState ~CRT...

...2. fixme:ddraw:Main_DirectDraw_SetCooperativeLevel (0x7bd1a248)->(00010022,00000813) 3. fixme:xrandr:X11DRV_XRandR_SetCurrentMode Cannot change screen BPP from 32 to 16fixme:xrandr:X11DRV_XRandR_SetCurrentMode Cannot change screen BPP from 32 to 16err:ddraw:set_render_state Unhandled dwRenderStateType D3DRENDERSTATE_LINEPATTERN (0000000a) value : 00000000 ! 4. err:ddraw:set_render_state Unhandled dwRenderStateType D3DRENDERSTATE_MONOENABLE (0000000b) value : 00000000 ! 5. err:ddraw:set_render_state Unhandled dwRenderStateType D3DRENDERSTATE_ROP2 (0000000c...

...4:58:58, 0] nmbd/nmbd.c:(63) Got SIGTERM: going down... $ more log.smbd [2002/03/05 14:36:34, 0] smbd/server.c:(698) smbd version 2.2.3a started. Copyright Andrew Tridgell and the Samba Team 1992-2002 $ $ more log.jeeves [2002/03/05 13:59:17, 1] smbd/ipc.c:(292) api_fd_reply: INVALID PIPE HANDLE: 49 [2002/03/05 13:59:17, 1] smbd/ipc.c:(292) api_fd_reply: INVALID PIPE HANDLE: 4a [2002/03/05 13:59:17, 1] smbd/ipc.c:(292) api_fd_reply: INVALID PIPE HANDLE: 4b [2002/03/05 13:59:17, 1] smbd/ipc.c:(292) api_fd_reply: INVALID PIPE HANDLE: 4c [2002/03/05 13:59:17, 1] smbd/ipc.c:(292) api_...

...rom file descriptor number C<FD>, inherited from the parent process when nbdkit starts up. This is also a secure method to supply a password. +=item B<pool-max=>N + +To improve performance, for read-only connections (see I<-r> option) +the plugin will open a pool of VixDiskLibHandle disk handles. You can +use this option to control the maximum size of the pool. The default +is 8. To disable this feature, set it to 0 or 1. + =item B<port=>PORT The port on the VCenter/ESXi host. Defaults to 443. diff --git a/plugins/vddk/vddk.c b/plugins/vddk/vddk.c index 5926e181...

Now that we have FUA support, the C code can call can_fua as frequently as on every write. If the python script has a can_fua, we can avoid doubling the calls into python by caching the per-connection results, done by wrapping the python handle in a C struct. This commit is marked RFC because it might be nicer if the C code implemented the caching for ALL plugins (TODO already mentions that). Signed-off-by: Eric Blake <eblake@redhat.com> --- plugins/python/python.c | 83 ++++++++++++++++++++++++++++++------------------- 1 file c...

This was previously used as ‘nxdata’ and stored a tuple of ’b->next’ and the real filter handle. However after recent changes we don't need it. We can use ‘b->next’ as nxdata, and the handle is passed to us by the calling functions. Inspired by Eric Blakes observations in this email: https://www.redhat.com/archives/libguestfs/2020-February/msg00092.html --- server/filters.c | 217...

...that nxdata be stable for the entire life of the connection between .open and .close. Our current approach of creating a stack-allocated nxdata for every call does not play nicely with that scheme, so rework things into using a malloc'd pointer. In fact, if we use struct b_conn as our filter handle, and merely add an additional field to track the user's handle, then we get the long-term persistance we desire. Signed-off-by: Eric Blake <eblake@redhat.com> --- docs/nbdkit-filter.pod | 7 +- server/filters.c | 141 ++++++++++++++++++++++++++--------------- 2 files changed, 9...

..., > inherited from > the parent process when nbdkit starts up. This is also a secure > method to supply a password. > > +=item B<pool-max=>N > + > +To improve performance, for read-only connections (see I<-r> option) > +the plugin will open a pool of VixDiskLibHandle disk handles. You can > +use this option to control the maximum size of the pool. The default > +is 8. To disable this feature, set it to 0 or 1. > + > =item B<port=>PORT > > The port on the VCenter/ESXi host. Defaults to 443. > diff --git a/plugins/vddk/vddk.c b/p...

...e:powermgnt:GetSystemPowerStatus (): stub, harmless. wine: Call from 0x611c68 to unimplemented function kernel32.dll.HeapSetInformation, aborting wine: Unimplemented function kernel32.dll.HeapSetInformation called at address 0x611c68 (thread 0009), starting debugger... WineDbg starting on pid 0x8 Unhandled exception: unimplemented function kernel32.dll.HeapSetInformation called in 32-bit code (0x7ff98067). fixme:dbghelp:elf_load_debug_info_from_map Alpha-support for Dwarf2 information for ntdll<elf> Register dump: CS:0073 SS:007b DS:007b ES:007b FS:003b GS:0033 EIP:7ff98067 ESP:7fc8fc4c EBP...

...struct backend *top; +#define for_each_backend(b) for (b = top; b != NULL; b = b->next) /* quit.c */ extern volatile int quit; diff --git a/server/connections.c b/server/connections.c index a2049325..7e9584b3 100644 --- a/server/connections.c +++ b/server/connections.c @@ -146,23 +146,23 @@ handle_single_connection (int sockin, int sockout) lock_connection (); - if (backend->thread_model (backend) < NBDKIT_THREAD_MODEL_PARALLEL || + if (top->thread_model (top) < NBDKIT_THREAD_MODEL_PARALLEL || nworkers == 1) nworkers = 0; conn = new_connection (sockin, so...

...ads]$ msiexec /i ToadforMySQLFreeware_410220.msi fixme:advapi:LookupAccountNameW (null) L"user" (nil) 0x32f77c (nil) 0x32f780 0x32f774 - stub fixme:advapi:LookupAccountNameW (null) L"user" 0x1315b8 0x32f77c 0x153ea0 0x32f780 0x32f774 - stub err:msi:msi_dialog_create_controls no handler for element type L"Billboard" fixme:msi:ACTION_HandleStandardAction unhandled standard action L"SetODBCFolders" fixme:msi:msi_unimplemented_action_stub MsiUnpublishAssemblies -> 83 ignored L"MsiAssembly" table values fixme:msi:msi_unimplemented_action_stub SelfUnr...

Hello All, I''m wondering if it''s possible to nest sortables: <ul id="first"> <li>One</li> <li>Two</li> <li> <ul id="second"> <li>Three</li> </ul> </li> <li>Four</li> </ul> <script> ... create sortables out of

...12:03:42AM -0500, Eric Blake wrote: > Now that we have FUA support, the C code can call can_fua as > frequently as on every write. If the python script has a > can_fua, we can avoid doubling the calls into python by > caching the per-connection results, done by wrapping the > python handle in a C struct. > > This commit is marked RFC because it might be nicer if the C > code implemented the caching for ALL plugins (TODO already > mentions that). It's not very clear to me (and this applies to all can_* functions) if it's OK to call them only once per connection....

...arn:dosfs:DOSFS_FindUnixName 'kernel32.dll' not found in '/home/tilleyrw' warn:dosfs:DOSFS_FindUnixName 'kernel32.dll' not found in '/home/tilleyrw/Cool2000' warn:dosfs:DOSFS_FindUnixName 'kernel32.dll' not found in '/home/tilleyrw' warn:int:INT_GetPMHandler int22 not implemented, returning dummy handler warn:int:INT_GetPMHandler int23 not implemented, returning dummy handler warn:int:INT_GetPMHandler int24 not implemented, returning dummy handler warn:dosfs:DOSFS_FindUnixName 'gdi32.dll' not found in '/home/tilleyrw/Cool2000' warn:d...

...l_Release Releasing primary stateblock fixme:ddraw:IDirectDrawImpl_SetCooperativeLevel (0x7d9d6208)->(0x10024,00000011) fixme:xrandr:X11DRV_XRandR_SetCurrentMode Cannot change screen BPP from 32 to 16 fixme:d3d:IWineD3DDeviceImpl_SetRenderState (0x7fd9b220)->(WINED3DRS_MULTISAMPLEMASK,-1) not handled yet fixme:d3d:IWineD3DDeviceImpl_SetRenderState (0x7fd9b220)->(WINED3DRS_PATCHEDGESTYLE,0) not handled yet fixme:d3d:IWineD3DDeviceImpl_SetRenderState (0x7fd9b220)->(WINED3DRS_PATCHSEGMENTS,1065353216) not handled yet fixme:d3d:IWineD3DDeviceImpl_SetRenderState (0x7fd9b220)->(WINED3DRS_D...

...a.org> Stefan Metzmacher <metze@metzemix.de> 27 May 2003 Table of Contents The Samba (Posix) VFS layer The general interface Possible VFS operation layers The Interaction between the Samba VFS subsystem and the modules Initialization and registration How the Modules handle per connection data Upgrading to the New VFS Interface Upgrading from 2.2.* and 3.0aplha modules Some Notes Implement TRANSPARENT functions Implement OPAQUE functions The Samba (Posix) VFS layer The general interface Each VFS operation has a vfs_op_type, a function pointer and a ha...

When I added .can_FOO caching in 1.16, I missed the case that the sh plugin itself was calling .can_flush twice in some situations (in order to default .can_fua). Then right after, I regressed it to call .can_zero twice (in order to default .can_fast_zero). I also missed that .thread_model could use better caching, because at the time, I did not add testsuite coverage. Fix that now. Eric Blake

..._function) (const void *buf, size_t len, int flags) - __attribute__((__nonnull__ (1, 2))); -typedef void (*connection_close_function) (struct connection *) __attribute__((__nonnull__ (1))); +typedef void (*connection_close_function) (void); enum { HANDLE_OPEN = 1, /* Set if .open passed, so .close is needed */ @@ -234,29 +231,22 @@ struct connection { }; extern void handle_single_connection (int sockin, int sockout); -extern int connection_get_status (struct connection *conn) - __attribute__((__nonnull__ (1))); -extern int connection_set...