Application Makefiles can now just add xx_MODULES_LIB_LIST
to SPDK_LIB_LIST. This is possible now since all
SPDK libraries are linked with --whole-archive, so there
is no need to differentiate between "modules" libraries
and other SPDK libraries.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iabf81a388b72d3b2a2f48287a8491ddc977722ac
Reviewed-on: https://review.gerrithub.io/434277
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This allows a lot of simplification to SPDK application
makefiles.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I5fa463f6369834b84a8d92e79fa7768082209d7a
Reviewed-on: https://review.gerrithub.io/434274
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
There were several applications that were missing
either SOCK_MODULES_LINKER_ARGS or COPY_MODULES_LINKER_ARGS.
For the ones missing SOCK_MODULES_LINKER_ARGS (fuse and rocksdb),
the nvme inititator with TCP transport would not have worked
at all.
Adding COPY_MODULES_LINKER_ARGS to the bdev fio plugin enables
ioat which isn't critical, but adding it makes it consistent
with other apps and will allow its Makefile to be simplified in
some future patches.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0098350d75d27ad2b2d408221b727698f5e902e4
Reviewed-on: https://review.gerrithub.io/434260
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This is a step towards simplifying the Makefiles for
SPDK applications. After this change, all of the
xxx_MODULES_LINKER_ARGS variables are just a list
of SPDK libraries wrapped in --whole-archive.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0cf069c2f74e8998d42dea9598db55f333c861b7
Reviewed-on: https://review.gerrithub.io/434146
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This allows us to remove $(ENV_LINKER_ARGS) from all of the
application Makefiles.
Modify spdk.unittest.mk to explicitly set ENV_LINKER_ARGS
to nothing, to avoid DPDK libraries from getting linked
into unit tests. This seems better than creating separate
LINK_C rules for unit tests. Provide a UNIT_TEST_LINK_ENV
flag to allow select unit tests to override this behavior -
it's needed for some of the env unit tests.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I647f2c848cf434023cf5a1f3a45869bbc4fc8102
Reviewed-on: https://review.gerrithub.io/434145
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Unit tests shouldn't link in DPDK env libraries - they
should all use the test_env.c
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ib08ae33224ed9a12fa1ff255c4769a005fc10369
Reviewed-on: https://review.gerrithub.io/434259
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
SPDK uses constructor functions for registration functionality
in several different areas - RPCs, bdev modules, event tracing,
etc. Since these functions are not explicitly referenced, the
linker will remove these constructor functions from the linked
application unless their library is included using the
--whole-archive linker option.
SPDK has tried to minimize the number of libraries linked with
--whole-archive to only those that are necessary. But there
are still a lot of exceptions that we need to work around. The
benefit to trying to restrict it is minimal - for example,
an nvmf_tgt binary built before this patch is 4746320 bytes
on my system, but linking all of the libraries with
--whole-archive only increases it to 4784080 bytes - a difference
of less than 1%.
Note that DPDK also links all libraries with --whole-archive by
default.
This will also simplify some upcoming changes around shared
library dependencies - we will be able to blindly use
--whole-archive when linking the shared library as well.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iab0dbbace06a3d15c835491e55683ab4cf9e53f0
Reviewed-on: https://review.gerrithub.io/434107
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
The various *_MODULES_LIST are intended for the modules
that implement the specific interface - not for the
associated core library itself.
For example, BLOCKDEV_MODULES_LIST doesn't contain bdev,
it contains all of the bdev modules. Similar for
COPY_MODULES_LIST and copy.
So make SOCK_MODULES_LIST consistent. This is a real
pain because we have to add sock explicitly to a bunch
of individual Makefiles, but I have plans to clean that
up in some future patches.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I0d293372cfb38bfa46c8478a8d9ca9ce23924747
Reviewed-on: https://review.gerrithub.io/434125
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
VHOST_USER_NVME_IO_CMD is designed to deliver NVMe IO command
header to slave target via socket, this can be used in BIOS
which will not enable Shadow Doorbell Buffer feature, since
we enabled the shadow BAR feature to support some old Guest
kernel without Shadow Doorbell Buffer feature, so the message
isn't required, just remove it.
Change-Id: I72e55f11176af2405c8cc09da404a9f4e5e71526
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/420821
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
For some old Linux Guest kernels, the new NVMe 1.3 feature: shadow
doorbell buffer is not enabled, while here, make a dummy BAR region
inside slave target, when Guest submits a new request, the doorbell
value will be write to the shared memory between Guest and vhost
target, so that the existing vhost target can support both new
Linux Guest kernel(newer than 4.12) and old Guest kernel.
Also, the shared BAR space can be used in future which we can move
ADMIN queue processing into SPDK vhost target, with this feature,
the QEMU driver will become very small and easy for upstreaming.
Change-Id: I9463e9f13421368f43bfe4076facddd119f4552e
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/419157
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
With the trace_size records for each lcore, spdk_trace
can read trace_file in which each lcore has different
number of trace entries.
Offset of each trace_history from the beginning of this
data structure.
Change-Id: I06afaba129812fe40ed000265fc66b02c5d9e3d9
Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/433503
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Number of trace entries in circular buffer per lcore can be
assigned by the boot parameter of SPDK app with
"--num-trace-entries <NUM>"
Change-Id: I855ce6b4f14a716dcdd9078913da5ea8e577af3a
Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/433099
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
vbdev registration was happing in a loop in 2 places immediately
following a call to claim(), moved the registration into the
function.
Change-Id: I880dccae02ac0262558119265d2940d0adca33dd
Signed-off-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/433727
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Initial implmentation had a 1:1 session to crypto op ratio. After
working with a similar concept in CompressDev checked to see if
this was required and apparently it is not.
Saves a decent number of API calls per crypto op and in the poller.
Also saves on mempool usage. Performance improvement measurement
is WIP.
Change-Id: I73f2355e720a16fd46bc4a02657419f779f07cbb
Signed-off-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/433726
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
This helps avoid issues with nbd not being ready when
we need it.
Still keep various "modprobe nbd" in different test
files - this ensures these test files can still be
run in isolation. But remove the various "rmmod nbd"
to ensure that nbd always stays loaded. There is no
harm in just keeping nbd loaded all the time.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I3597ff1f7ac53162c33a0384a33f33776cf6f182
Reviewed-on: https://review.gerrithub.io/434838
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
This is the first patch to enable the automated perf
test with TCP transport, which is used to guard the
correctness of the TCP transport related code.
Change-Id: Ic3df3aeae6df2024e22e50be70c7c61e36f85243
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/425699
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Althrough it has very small chance to be executed, it's nice
to have it fixed.
Change-Id: I899681ccc13ed59c7fdd343ef7791df4e69e490f
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/433976
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
The ioctl NBD_SET_SOCK can return EBUSY if the kernel module
hasn't loaded entirely yet. Wait for it to become ready.
Change-Id: If3c6d0d8bb678ef8cab0efc1c5e800e95e19133e
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/433939
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This is going to need to wait for the kernel module
to load in the future, so split the function in
half.
Change-Id: I872d000acd4fc25737d5f50c8e0ae33641a6d7fa
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/433938
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Add a callback to spdk_nbd_start so that it can complete
asynchronously. As of this patch, it always calls the
callback immediately.
Change-Id: I6156fb203145362afa5e4102183b6cf143051c0c
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/433937
Tested-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Also remove the discovery auth group from the json file,
and use RPC to set it instead.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I597b60a7c7e4de9d7e1719b0145ab2b11c6f26b0
Reviewed-on: https://review.gerrithub.io/434265
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Despite the scary commit title, this patch just unifies
per-driver mutexes into a single pci mutex.
On each hotplug we modify some DPDK global resources,
which per-driver locks aren't sufficient for. If
multiple threads try to attach devices at the same time,
then we'll likely have a data race. DPDK hotplug APIs
don't provide any kind of thread safety on their own.
Change-Id: I89cca9fea04ecf576ec5854c662bae1d3712b3fb
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/433864
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
We need to do it only for DPDK 16.11, which leaks the
mappings otherwise. DPDK was fixed in version 17.02 with
the following commit:
e84ad157 (pci: unmap resources if probe fails)
Unmapping the resources twice doesn't actually cause
us any trouble, but prints an ambiguous error message.
Change-Id: I8b62e86d5fff8fe924dbf9ae2e37cff29298d412
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/433863
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This workaround is needed to stop EBUSY errors from NBD ioctls(). This
can be fixed in NBD bdev code but till that point lets merge this
workaround.
Change-Id: Ic1546963538beda4d4409cef93062103e2a23e34
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/434040
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Change-Id: I5e7d16e377c03165f338709a71d6e4f03beffc0a
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/434066
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
This will make future changes to the threading model
easier.
Change-Id: I4abfe0850648a0f7449804066d4a02823393e4a6
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/433680
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
According to the RFC3720, the length of initiator name and
target name should not larger than 223 bytes, while here,
add a check for initiator/target name.
Change-Id: I1517a4c4e1b0a944b239665f38f5dfb46f0075d2
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/433797
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
There are some use cases such as multipath and RAID expansion where a
vbdev could have been registered before one of its base bdevs.
Currently we unregister bdevs at shutdown in reverse order of their
registration. Continue to do that in general, but skip any bdev that
is still claimed. Any bdevs skipped in this way will eventually be
unregistered once any bdevs that have claimed it have completed
unregistration.
Change-Id: Iafde9558430bc5ce56e8608ef50bcb2b5fbfbf71
Signed-off-by: Andrey Kuzmin <akuzmin@jetstreamsoft.com>
Reviewed-on: https://review.gerrithub.io/432136
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Purpose: prepare to add the TCP transport test.
Change-Id: I5dd2acabb9259b7a85919ab2dca41eacf9dee913
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/433964
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
There was an implicit merge conflict between this patch
and e956be96e which added NVMe/TCP support including adding
"sock" as an nvme.libtest.mk depdendency.
This reverts commit 7962ce312d5afeac1fee903bed4708cd150646b7.
Change-Id: Ie7e58e89128f28080a986e12cd014de7df4752e5
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Reviewed-on: https://review.gerrithub.io/434103
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This will make the conversion to the new threading library
easier later on.
Change-Id: Ie7358e89128f28080a986e12cd014de7df4752e4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/433679
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Explicitly attaching a PCI device with spdk_pci_device_attach()
bypasses any kind of blacklists and should be only used
on a user request. Hotplug uevent is certainly not a user
request and should respect the blacklist, hence it's now
changed to call spdk_pci_enumerate() to probe new devices.
The enumeration callback will reject devices other that the
one we got hotplug request for, so no behavior is changed
in that matter.
This patch also fixes undefined behavior caused by reading
unitialized struct nvme_pcie_enum_cb;
Change-Id: I1399fbdd426152a13ed75c85a52bc7f0491ce287
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/433867
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
In addition UT were changed to set_thread() before registering
io device.
Change-Id: I959dbc800db9c1f50564274a73d71e05e843d8c9
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/433611
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This matches the lib/ut_mock directory name, and also
avoids the final library being named spdk_spdk_mock.a.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I80ec09568d0455d1f131e45694b6e2d536e6ca91
Reviewed-on: https://review.gerrithub.io/433909
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
SPDK uses constructor functions for registration functionality
in several different areas - RPCs, bdev modules, event tracing,
etc. Since these functions are not explicitly referenced, the
linker will remove these constructor functions from the linked
application unless their library is included using the
--whole-archive linker option.
SPDK has tried to minimize the number of libraries linked with
--whole-archive to only those that are necessary. But there
are still a lot of exceptions that we need to work around. The
benefit to trying to restrict it is minimal - for example,
an nvmf_tgt binary built before this patch is 4746320 bytes
on my system, but linking all of the libraries with
--whole-archive only increases it to 4784080 bytes - a difference
of less than 1%.
Note that DPDK also links all libraries with --whole-archive by
default.
This will also simplify some upcoming changes around shared
library dependencies - we will be able to blindly use
--whole-archive when linking the shared library as well.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iab0dbbace06a3d15c835491e55683ab4cf9e53fe
Reviewed-on: https://review.gerrithub.io/432917
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
