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Tom Caputi
c40a1124e1
ztest currently uses the boolean flag ztest_device_removal_active to protect some tests that may not run successfully if they occur at the same time as ztest_device_removal(). Unfortunately, in the event that ztest is in the middle of a device removal when it decides to issue a SIGKILL, the device removal will be automatically restarted (without setting the flag) when the pool is re-imported on the next run. This patch corrects this by ensuring that any in-progress removals are completed before running further tests after the re-import. This patch also makes a few small changes to prevent race conditions involving the creation and destruction of spa->spa_vdev_removal, since this field is not protected by any locks. Some checks that may run concurrently with setting / unsetting this field have been updated to check spa->spa_removing_phys.sr_state instead. The most significant change here is that spa_removal_get_stats() no longer accounts for in-flight work done, since that could result in a NULL pointer dereference. Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tom Caputi <tcaputi@datto.com> Closes #8105
ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.
Release
ZFS on Linux is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported kernel versions.