Andriy Gapon 1db5f1724b fix an architectural problem introduced in r320156, ZFS ABD import ... The implementation of ZFS refcount_t uses the emulated illumos mutex (the sx lock) and the waiting memory allocation when ZFS_DEBUG is enabled. This makes refcount_t unsuitable for use in GEOM g_up thread where sleeping is prohibited. When importing the ABD change I modified vdev_geom using illumos vdev_disk as an example. As a result, I added a call to abd_return_buf in vdev_geom_io_intr. The latter is called on g_up thread while the former uses refcount_t. This change fixes the problem by deferring the abd_return_buf call to the previously unused vdev_geom_io_done that is called on a ZFS zio taskqueue thread where sleeping is allowed. A side bonus of this change is that now a vdev zio has a pointer to its corresponding bio while the zio is active. Reported by: Shawn Webb <shawn.webb@hardenedbsd.org> Tested by: Shawn Webb <shawn.webb@hardenedbsd.org> MFC after: 1 week X-MFC with: r320156		2017-06-28 13:59:20 +00:00
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boot/zfs	loader: update symlink support in zfs reader	2017-02-22 22:00:50 +00:00
compat/opensolaris	Commit the 64-bit inode project.	2017-05-23 09:29:05 +00:00
contrib/opensolaris	fix an architectural problem introduced in r320156, ZFS ABD import	2017-06-28 13:59:20 +00:00
dev	Follow up r313841 on powerpc	2017-06-09 20:26:42 +00:00