Distributed Network Block Device 3 --rewrite for Kernel 3.x https://git.openslx.org/dnbd3.git/atom/src/kernel/net.c?h=v2.3 2020-10-16T15:15:49+00:00 2020-10-16T15:15:49+00:00 Manuel Bentele 2020-10-16T15:15:49+00:00 urn:sha1:969496f15e1e0359e26c2c6e995ad4ef82720f86 This change restructures the source code directories, separates shared form non-shared application code and adds CMake dependencies. These dependencies allow the tracking of changes and trigger a rebuild of those build targets where changed files are involved. WARNING: Note that the support of the DNBD3_SERVER_AFL build option is not supported yet. Thus, the option should be never turned on. 2020-10-13T09:47:49+00:00 Manuel Bentele 2020-10-13T09:47:49+00:00 urn:sha1:455d055153f09be54b7ecb2067bf83c6eda83911 This patch implements the old time structures to support Linux kernels prior to version 5.1.x. WARNING: This change to the deprecated time structures does not solve the Y2038 issue. Thus, the dnbd3 Linux kernel module can only run under Linux kernels prior to version 5.1.x until the end of year 2037. 2020-08-31T13:01:04+00:00 Manuel Bentele 2020-08-31T13:01:04+00:00 urn:sha1:753aee3e741301e3b461b2e7930c9f7eef80e659 This patch replaces the deprecated kernel_setsockopt() function with the socket generic function sock_setsockopt() to set the send and receive timeout for all used sockets in the kernel module. The timeout data type is choosen according to the available kernel version, so that the dnbd3 kernel module supports the new y2038-problem-solving socket options. With both changes, the kernel module runs on Linux kernel 5.4 LTS and later (including Linux kernel 5.9). 2020-08-28T13:32:48+00:00 Manuel Bentele 2020-08-28T13:32:48+00:00 urn:sha1:55e3c4a5b8e4073b1e792be6e3b55595be015c6d 2020-08-28T12:50:51+00:00 Manuel Bentele 2020-08-28T12:50:51+00:00 urn:sha1:042b7ca9932f05ed7c69efc7b15fa58e42c6eb3c This change converts all debug messages to support the Linux kernel's dynamic debug feature. Debug messages can be enabled or disabled by the debug feature if the - kernel module is built in debug mode (EXTRA_CFLAGS=-g -DDEBUG) - Linux kernel supports dynamic debug (CONFIG_DYNAMIC_DEBUG is set) This patch removes outdated kernel compatibility macros (used for Linux kernels in version 4.x) and cleans up the kernel module's code. 2020-08-27T09:02:30+00:00 Manuel Bentele 2020-08-27T09:02:30+00:00 urn:sha1:47c8cb8c78fbace1e5edb2107fc1c4dcbe7058be This converts the dnbd3 kernel module driver to use the blk-mq infrastructure, which allows the dnbd3 kernel module driver to be compatible with Linux kernels in version 5.x or later. The conversion of the implementation uses one hardware queue to preserve the existing send/receive and load-balancing logic, but can be scaled up in the future. In addition to that, time measurements in the implementation are converted to ktime based accessors to replace the use of deprecated time interfaces. 2018-08-15T15:15:27+00:00 Simon Rettberg 2018-08-15T15:15:27+00:00 urn:sha1:234d4d25a370fb7c3668aeecb86c9be2a629e823 2018-04-05T10:28:13+00:00 Jonathan Bauer 2018-04-04T15:47:01+00:00 urn:sha1:928cdb2a034572d29cda884b927cca293baae211 2018-04-05T10:28:10+00:00 Simon Rettberg 2018-04-04T11:51:03+00:00 urn:sha1:99c5e11a73afd07e112dc7ef81dd33e8d76c06de 2018-03-27T12:56:22+00:00 Simon Rettberg 2018-03-27T12:56:22+00:00 urn:sha1:acc859b08560d7da25bc8f542648e90aa97fbc7f Version check for pre or post 4.11