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mirror_zfs/config/kernel-make-request-fn.m4

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Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
dnl #
dnl # Check for make_request_fn interface.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN], [
ZFS_LINUX_TEST_SRC([make_request_fn_void], [
#include <linux/blkdev.h>
void make_request(struct request_queue *q,
struct bio *bio) { return; }
],[
blk_queue_make_request(NULL, &make_request);
])
ZFS_LINUX_TEST_SRC([make_request_fn_blk_qc_t], [
#include <linux/blkdev.h>
blk_qc_t make_request(struct request_queue *q,
struct bio *bio) { return (BLK_QC_T_NONE); }
],[
blk_queue_make_request(NULL, &make_request);
])
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
ZFS_LINUX_TEST_SRC([blk_alloc_queue_request_fn], [
#include <linux/blkdev.h>
blk_qc_t make_request(struct request_queue *q,
struct bio *bio) { return (BLK_QC_T_NONE); }
],[
struct request_queue *q __attribute__ ((unused));
q = blk_alloc_queue(make_request, NUMA_NO_NODE);
])
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
ZFS_LINUX_TEST_SRC([blk_alloc_queue_request_fn_rh], [
#include <linux/blkdev.h>
blk_qc_t make_request(struct request_queue *q,
struct bio *bio) { return (BLK_QC_T_NONE); }
],[
struct request_queue *q __attribute__ ((unused));
q = blk_alloc_queue_rh(make_request, NUMA_NO_NODE);
])
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
ZFS_LINUX_TEST_SRC([block_device_operations_submit_bio], [
#include <linux/blkdev.h>
],[
struct block_device_operations o;
o.submit_bio = NULL;
])
Linux 5.14 compat: blk_alloc_disk() In Linux 5.14, blk_alloc_queue is no longer exported, and its usage has been superseded by blk_alloc_disk, which returns a gendisk struct from which we can still retrieve the struct request_queue* that is needed in the one place where it is used. This also replaces the call to alloc_disk(minors), and minors is now set via struct member assignment. Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Reviewed-by: Olaf Faaland <faaland1@llnl.gov> Reviewed-by: Coleman Kane <ckane@colemankane.org> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #12362 Closes #12409
2021-07-24 01:28:03 +03:00
ZFS_LINUX_TEST_SRC([blk_alloc_disk], [
#include <linux/blkdev.h>
],[
struct gendisk *disk __attribute__ ((unused));
disk = blk_alloc_disk(NUMA_NO_NODE);
])
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
])
AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
dnl # Checked as part of the blk_alloc_queue_request_fn test
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
dnl #
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
dnl # Linux 5.9 API Change
dnl # make_request_fn was moved into block_device_operations->submit_bio
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
dnl #
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_MSG_CHECKING([whether submit_bio is member of struct block_device_operations])
ZFS_LINUX_TEST_RESULT([block_device_operations_submit_bio], [
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
AC_MSG_RESULT(yes)
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_DEFINE(HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS, 1,
[submit_bio is member of struct block_device_operations])
Linux 5.14 compat: blk_alloc_disk() In Linux 5.14, blk_alloc_queue is no longer exported, and its usage has been superseded by blk_alloc_disk, which returns a gendisk struct from which we can still retrieve the struct request_queue* that is needed in the one place where it is used. This also replaces the call to alloc_disk(minors), and minors is now set via struct member assignment. Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com> Reviewed-by: Olaf Faaland <faaland1@llnl.gov> Reviewed-by: Coleman Kane <ckane@colemankane.org> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #12362 Closes #12409
2021-07-24 01:28:03 +03:00
dnl #
dnl # Linux 5.14 API Change:
dnl # blk_alloc_queue() + alloc_disk() combo replaced by
dnl # a single call to blk_alloc_disk().
dnl #
AC_MSG_CHECKING([whether blk_alloc_disk() exists])
ZFS_LINUX_TEST_RESULT([blk_alloc_disk], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_BLK_ALLOC_DISK], 1, [blk_alloc_disk() exists])
], [
AC_MSG_RESULT(no)
])
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
],[
AC_MSG_RESULT(no)
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
dnl # Checked as part of the blk_alloc_queue_request_fn test
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
dnl #
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
dnl # Linux 5.7 API Change
dnl # blk_alloc_queue() expects request function.
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
dnl #
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_MSG_CHECKING([whether blk_alloc_queue() expects request function])
ZFS_LINUX_TEST_RESULT([blk_alloc_queue_request_fn], [
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
AC_MSG_RESULT(yes)
dnl # This is currently always the case.
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_MSG_CHECKING([whether make_request_fn() returns blk_qc_t])
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
AC_MSG_RESULT(yes)
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_DEFINE(HAVE_BLK_ALLOC_QUEUE_REQUEST_FN, 1,
[blk_alloc_queue() expects request function])
AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
[make_request_fn() return type])
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
[Noting that make_request_fn() returns blk_qc_t])
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
],[
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
dnl #
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
dnl # CentOS Stream 4.18.0-257 API Change
dnl # The Linux 5.7 blk_alloc_queue() change was back-
dnl # ported and the symbol renamed blk_alloc_queue_rh().
dnl # As of this kernel version they're not providing
dnl # any compatibility code in the kernel for this.
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
dnl #
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
ZFS_LINUX_TEST_RESULT([blk_alloc_queue_request_fn_rh], [
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
AC_MSG_RESULT(yes)
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
dnl # This is currently always the case.
AC_MSG_CHECKING([whether make_request_fn_rh() returns blk_qc_t])
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_ALLOC_QUEUE_REQUEST_FN_RH, 1,
[blk_alloc_queue_rh() expects request function])
AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
[make_request_fn() return type])
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
[Noting that make_request_fn() returns blk_qc_t])
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
],[
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_MSG_RESULT(no)
dnl #
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
dnl # Linux 3.2 API Change
dnl # make_request_fn returns void.
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
dnl #
AC_MSG_CHECKING(
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
[whether make_request_fn() returns void])
ZFS_LINUX_TEST_RESULT([make_request_fn_void], [
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
AC_MSG_RESULT(yes)
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
AC_DEFINE(MAKE_REQUEST_FN_RET, void,
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
[make_request_fn() return type])
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_VOID, 1,
[Noting that make_request_fn() returns void])
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
],[
Linux 4.18.0-257.el8 compat: blk_alloc_queue() The CentOS stream 4.18.0-257 kernel appears to have backported the Linux 5.9 change to make_request_fn and the associated API. To maintain weak modules compatibility the original symbol was retained and the new interface blk_alloc_queue_rh() was added. Unfortunately, blk_alloc_queue() was replaced in the blkdev.h header by blk_alloc_queue_bh() so there doesn't seem to be a way to build new kmods against the old interfces. Even though they appear to still be available for weak module binding. To accommodate this a configure check is added for the new _rh() variant of the function and used if available. If compatibility code gets added to the kernel for the original blk_alloc_queue() interface this should be fine. OpenZFS will simply continue to prefer the new interface and only fallback to blk_alloc_queue() when blk_alloc_queue_rh() isn't available. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11374
2020-12-21 21:11:56 +03:00
AC_MSG_RESULT(no)
dnl #
dnl # Linux 4.4 API Change
dnl # make_request_fn returns blk_qc_t.
dnl #
AC_MSG_CHECKING(
[whether make_request_fn() returns blk_qc_t])
ZFS_LINUX_TEST_RESULT([make_request_fn_blk_qc_t], [
AC_MSG_RESULT(yes)
AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
[make_request_fn() return type])
AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
[Noting that make_request_fn() ]
[returns blk_qc_t])
],[
ZFS_LINUX_TEST_ERROR([make_request_fn])
])
Linux 5.9 compat: make_request_fn replaced with submit_bio interface The make_request_fn and associated API was replaced recently in a Linux 5.9 merge, to replace its functionality with a new submit_bio member in struct block_device_operations. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Coleman Kane <ckane@colemankane.org> Closes #10696
2020-08-09 19:12:25 +03:00
])
Linux 5.7 compat: blk_alloc_queue() Commit https://github.com/torvalds/linux/commit/3d745ea5 simplified the blk_alloc_queue() interface by updating it to take the request queue as an argument. Add a wrapper function which accepts the new arguments and internally uses the available interfaces. Other minor changes include increasing the Linux-Maximum to 5.6 now that 5.6 has been released. It was not bumped to 5.7 because this release has not yet been finalized and is still subject to change. Added local 'struct zvol_state_os *zso' variable to zvol_alloc. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #10181 Closes #10187
2020-04-09 19:16:46 +03:00
])
Perform KABI checks in parallel Reduce the time required for ./configure to perform the needed KABI checks by allowing kbuild to compile multiple test cases in parallel. This was accomplished by splitting each test's source code from the logic handling whether that code could be compiled or not. By introducing this split it's possible to minimize the number of times kbuild needs to be invoked. As importantly, it means all of the tests can be built in parallel. This does require a little extra care since we expect some tests to fail, so the --keep-going (-k) option must be provided otherwise some tests may not get compiled. Furthermore, since a failure during the kbuild modpost phase will result in an early exit; the final linking phase is limited to tests which passed the initial compilation and produced an object file. Once everything has been built the configure script proceeds as previously. The only significant difference is that it now merely needs to test for the existence of a .ko file to determine the result of a given test. This vastly speeds up the entire process. New test cases should use ZFS_LINUX_TEST_SRC to declare their test source code and ZFS_LINUX_TEST_RESULT to check the result. All of the existing kernel-*.m4 files have been updated accordingly, see config/kernel-current-time.m4 for a basic example. The legacy ZFS_LINUX_TRY_COMPILE macro has been kept to handle special cases but it's use is not encouraged. master (secs) patched (secs) ------------- ---------------- autogen.sh 61 68 configure 137 24 (~17% of current run time) make -j $(nproc) 44 44 make rpms 287 150 Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8547 Closes #9132 Closes #9341
2019-10-01 22:50:34 +03:00
])
])
])
Reference in New Issue Copy Permalink