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6 Commits

Author SHA1 Message Date
Marc-André Lureau
b1b27b6426 nbd: avoid uninitialized warnings 
==15815== Thread 1:
==15815== Syscall param socketcall.sendto(msg) points to uninitialised byte(s)
==15815==    at 0x65AD5CB: send (send.c:31)
==15815==    by 0x37F84B: nbd_wr_sync (nbd.c:145)
==15815==    by 0x37F94B: write_sync (nbd.c:186)
==15815==    by 0x380FA9: nbd_send_request (nbd.c:681)
==15815==    by 0x1C4A2D: nbd_teardown_connection (nbd-client.c:337)
==15815==    by 0x1C4AD8: nbd_client_session_close (nbd-client.c:354)
==15815==    by 0x1ED2D8: close_socketpair (spicebd.c:132)
==15815==    by 0x1EE265: spice_close (spicebd.c:457)
==15815==    by 0x1ACBF6: bdrv_close (block.c:1519)
==15815==    by 0x1AD804: bdrv_delete (block.c:1772)
==15815==    by 0x1B4136: bdrv_unref (block.c:4476)
==15815==    by 0x1ACCE0: bdrv_close (block.c:1541)
==15815==  Address 0x7feffef98 is on thread 1's stack

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00
Marc-André Lureau
69152c09d3 nbd: finish any pending coroutine 
Make sure all pending coroutines are finished when closing the session.

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00
Marc-André Lureau
5ad283ebb8 nbd: make nbd_client_session_close() idempotent 
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00
Marc-André Lureau
e2bc625f9b nbd: pass export name as init argument 
There is no need to keep the export name around, and it seems a better
fit as an argument in the init() call.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00
Marc-André Lureau
e53a18e488 nbd: don't change socket block during negotiate 
The caller might handle non-blocking using coroutine. Leave the choice
to the caller to use a blocking or non-blocking negotiate.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00
Marc-André Lureau
2302c1cafb Split nbd block client code 
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 2013-12-16 10:12:20 +01:00