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
..
abd.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
arc.h	MFV r316916: 7970 zfs_arc_num_sublists_per_state should be common to all multilists	2017-05-24 22:15:16 +00:00
blkptr.h
bplist.h
bpobj.h
bptree.h
bqueue.h
dbuf.h	MFV r302991: 6950 ARC should cache compressed data	2016-09-03 08:30:51 +00:00
ddt.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
dmu_impl.h	MFC r316912: 7793 ztest fails assertion in dmu_tx_willuse_space	2017-05-24 21:43:34 +00:00
dmu_objset.h	MFV r316917: 7968 multi-threaded spa_sync()	2017-05-24 22:21:24 +00:00
dmu_send.h	MFV 316894	2017-04-25 17:57:43 +00:00
dmu_traverse.h
dmu_tx.h	MFC r316914: 7801 add more by-dnode routines	2017-05-24 21:49:21 +00:00
dmu_zfetch.h	MFV r297831: 6322 ZFS indirect block predictive prefetch	2016-04-11 21:09:15 +00:00
dmu.h	MFV r319738: 8155 simplify dmu_write_policy handling of pre-compressed buffers	2017-06-09 15:26:03 +00:00
dnode.h	MFV r316917: 7968 multi-threaded spa_sync()	2017-05-24 22:21:24 +00:00
dsl_bookmark.h
dsl_dataset.h	MFC r316912: 7793 ztest fails assertion in dmu_tx_willuse_space	2017-05-24 21:43:34 +00:00
dsl_deadlist.h
dsl_deleg.h
dsl_destroy.h
dsl_dir.h	MFC r316912: 7793 ztest fails assertion in dmu_tx_willuse_space	2017-05-24 21:43:34 +00:00
dsl_pool.h	MFV r316917: 7968 multi-threaded spa_sync()	2017-05-24 22:21:24 +00:00
dsl_prop.h
dsl_scan.h
dsl_synctask.h
dsl_userhold.h
metaslab_impl.h	MFV 316898	2017-04-27 22:00:03 +00:00
metaslab.h	MFV r315290, r315291: 7303 dynamic metaslab selection	2017-03-24 09:37:00 +00:00
multilist.h	MFV r316917: 7968 multi-threaded spa_sync()	2017-05-24 22:21:24 +00:00
range_tree.h
refcount.h	MFV 316894	2017-04-25 17:57:43 +00:00
rrwlock.h
sa_impl.h
sa.h
spa_boot.h
spa_impl.h	MFV 316900	2017-04-27 23:31:38 +00:00
spa.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
space_map.h
space_reftree.h
trim_map.h
txg_impl.h
txg.h	MFV r318931: 8063 verify that we do not attempt to access inactive txg	2017-05-26 11:37:11 +00:00
uberblock_impl.h
uberblock.h
unique.h
vdev_disk.h
vdev_file.h	zfs: port vdev_file part of illumos change 3306	2017-06-26 09:10:09 +00:00
vdev_impl.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
vdev_raidz.h
vdev.h	zfsbootcfg: a simple tool to set next boot (one time) options for zfsboot	2016-10-29 14:09:32 +00:00
zap_impl.h	MFC r316912: 7793 ztest fails assertion in dmu_tx_willuse_space	2017-05-24 21:43:34 +00:00
zap_leaf.h
zap.h	MFC r316914: 7801 add more by-dnode routines	2017-05-24 21:49:21 +00:00
zfeature.h
zfs_acl.h
zfs_context.h	MFV r296505: 6531 Provide mechanism to artificially limit disk performance	2016-03-08 17:27:13 +00:00
zfs_ctldir.h	reimplement zfsctl (.zfs) support	2017-02-21 17:47:08 +00:00
zfs_debug.h	MFV r315290, r315291: 7303 dynamic metaslab selection	2017-03-24 09:37:00 +00:00
zfs_dir.h	zfs: honour and make use of vfs vnode locking protocol	2016-08-05 06:23:06 +00:00
zfs_fuid.h
zfs_ioctl.h	MFV r318944: 8265 Reserve send stream flag for large dnode feature	2017-05-26 12:08:38 +00:00
zfs_onexit.h
zfs_rlock.h
zfs_sa.h
zfs_stat.h
zfs_vfsops.h	reimplement zfsctl (.zfs) support	2017-02-21 17:47:08 +00:00
zfs_znode.h	implement zfs_vptocnp() using z_parent property	2016-10-07 06:29:24 +00:00
zil_impl.h	MFV r318947: 7578 Fix/improve some aspects of ZIL writing.	2017-06-22 16:52:22 +00:00
zil.h	MFV r318931: 8063 verify that we do not attempt to access inactive txg	2017-05-26 11:37:11 +00:00
zio_checksum.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
zio_compress.h	MFV r318946: 8021 ARC buf data scatter-ization	2017-06-20 17:39:24 +00:00
zio_impl.h	MFV r304155: 7090 zfs should improve allocation order and throttle allocations	2016-09-03 10:04:37 +00:00
zio_priority.h
zio.h	fix an architectural problem introduced in r320156, ZFS ABD import	2017-06-28 13:59:20 +00:00
zrlock.h
zvol.h