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* Add basic uio supportBrian Behlendorf2011-02-102-0/+256
| | | | | | | | This code originates in OpenSolaris and was modified by KQ Infotech to be compatible with Linux. While supporting uios in the short term is useful to get something working this is not an abstraction we want to keep. This code is expected to be short lived and removed as soon as all the remaining uio based APIs and updated.
* Support custom build directories and move includesBrian Behlendorf2010-09-087-1301/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the neat tricks an autoconf style project is capable of is allow configurion/building in a directory other than the source directory. The major advantage to this is that you can build the project various different ways while making changes in a single source tree. For example, this project is designed to work on various different Linux distributions each of which work slightly differently. This means that changes need to verified on each of those supported distributions perferably before the change is committed to the public git repo. Using nfs and custom build directories makes this much easier. I now have a single source tree in nfs mounted on several different systems each running a supported distribution. When I make a change to the source base I suspect may break things I can concurrently build from the same source on all the systems each in their own subdirectory. wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz tar -xzf zfs-x.y.z.tar.gz cd zfs-x-y-z ------------------------- run concurrently ---------------------- <ubuntu system> <fedora system> <debian system> <rhel6 system> mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6 cd ubuntu cd fedora cd debian cd rhel6 ../configure ../configure ../configure ../configure make make make make make check make check make check make check This change also moves many of the include headers from individual incude/sys directories under the modules directory in to a single top level include directory. This has the advantage of making the build rules cleaner and logically it makes a bit more sense.
* Add linux kernel module supportBrian Behlendorf2010-08-317-0/+98
| | | | | | | | | | | Setup linux kernel module support, this includes: - zfs context for kernel/user - kernel module build system integration - kernel module macros - kernel module symbol export - kernel module options Signed-off-by: Brian Behlendorf <[email protected]>
* Add linux kernel disk supportBrian Behlendorf2010-08-312-7/+36
| | | | | | Native Linux vdev disk interfaces Signed-off-by: Brian Behlendorf <[email protected]>
* Add linux eventsBrian Behlendorf2010-08-311-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This topic branch leverages the Solaris style FMA call points in ZFS to create a user space visible event notification system under Linux. This new system is called zevent and it unifies all previous Solaris style ereports and sysevent notifications. Under this Linux specific scheme when a sysevent or ereport event occurs an nvlist describing the event is created which looks almost exactly like a Solaris ereport. These events are queued up in the kernel when they occur and conditionally logged to the console. It is then up to a user space application to consume the events and do whatever it likes with them. To make this possible the existing /dev/zfs ABI has been extended with two new ioctls which behave as follows. * ZFS_IOC_EVENTS_NEXT Get the next pending event. The kernel will keep track of the last event consumed by the file descriptor and provide the next one if available. If no new events are available the ioctl() will block waiting for the next event. This ioctl may also be called in a non-blocking mode by setting zc.zc_guid = ZEVENT_NONBLOCK. In the non-blocking case if no events are available ENOENT will be returned. It is possible that ESHUTDOWN will be returned if the ioctl() is called while module unloading is in progress. And finally ENOMEM may occur if the provided nvlist buffer is not large enough to contain the entire event. * ZFS_IOC_EVENTS_CLEAR Clear are events queued by the kernel. The kernel will keep a fairly large number of recent events queued, use this ioctl to clear the in kernel list. This will effect all user space processes consuming events. The zpool command has been extended to use this events ABI with the 'events' subcommand. You may run 'zpool events -v' to output a verbose log of all recent events. This is very similar to the Solaris 'fmdump -ev' command with the key difference being it also includes what would be considered sysevents under Solaris. You may also run in follow mode with the '-f' option. To clear the in kernel event queue use the '-c' option. $ sudo cmd/zpool/zpool events -fv TIME CLASS May 13 2010 16:31:15.777711000 ereport.fs.zfs.config.sync class = "ereport.fs.zfs.config.sync" ena = 0x40982b7897700001 detector = (embedded nvlist) version = 0x0 scheme = "zfs" pool = 0xed976600de75dfa6 (end detector) time = 0x4bec8bc3 0x2e5aed98 pool = "zpios" pool_guid = 0xed976600de75dfa6 pool_context = 0x0 While the 'zpool events' command is handy for interactive debugging it is not expected to be the primary consumer of zevents. This ABI was primarily added to facilitate the addition of a user space monitoring daemon. This daemon would consume all events posted by the kernel and based on the type of event perform an action. For most events simply forwarding them on to syslog is likely enough. But this interface also cleanly allows for more sophisticated actions to be taken such as generating an email for a failed drive. Signed-off-by: Brian Behlendorf <[email protected]>
* Add build systemBrian Behlendorf2010-08-311-0/+18
| | | | | | Add autoconf style build infrastructure to the ZFS tree. This includes autogen.sh, configure.ac, m4 macros, some scripts/*, and makefiles for all the core ZFS components.
* Fix gcc missing parenthesis warningsBrian Behlendorf2010-08-311-2/+2
| | | | | | Gcc -Wall warn: 'missing parenthesis' Signed-off-by: Brian Behlendorf <[email protected]>
* Fix gcc c90 compliance warningsBrian Behlendorf2010-08-271-2/+2
| | | | | | | | Fix non-c90 compliant code, for the most part these changes simply deal with where a particular variable is declared. Under c90 it must alway be done at the very start of a block. Signed-off-by: Brian Behlendorf <[email protected]>
* Update to onnv_147Brian Behlendorf2010-08-264-9/+33
| | | | | This is the last official OpenSolaris tag before the public development tree was closed.
* Update core ZFS code from build 121 to build 141.Brian Behlendorf2010-05-289-195/+882
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* Add Solaris FMA style supportBrian Behlendorf2010-04-291-83/+0
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* Rebase master to b121Brian Behlendorf2009-08-185-5/+28
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* Rebase master to b117Brian Behlendorf2009-07-029-54/+107
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* Move the world out of /zfs/ and seperate out module build treeBrian Behlendorf2008-12-1112-0/+2832