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Matthew Ahrens 7f60329a26 Illumos 5987 - zfs prefetch code needs work 
5987 zfs prefetch code needs work
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Approved by: Gordon Ross <gordon.ross@nexenta.com>

References:
  https://www.illumos.org/issues/5987 zfs prefetch code needs work
  illumos/illumos-gate@cf6106c 5987 zfs prefetch code needs work

Porting notes:
- [module/zfs/dbuf.c]
  - 5f6d0b6 Handle block pointers with a corrupt logical size
- [module/zfs/dmu_zfetch.c]
  - c65aa5b Fix gcc missing parenthesis warnings
  - 428870f Update core ZFS code from build 121 to build 141.
  - 79c76d5 Change KM_PUSHPAGE -> KM_SLEEP
  - b8d06fc Switch KM_SLEEP to KM_PUSHPAGE
  - Account for ISO C90 - mixed declarations and code - warnings
  - Module parameters (new/changed):
    - Replaced zfetch_block_cap with zfetch_max_distance
      (Max bytes to prefetch per stream (default 8MB; 8 * 1024 * 1024))
    - Preserved zfs_prefetch_disable as 'int' for consistency with
      existing Linux module options.
- [include/sys/trace_arc.h]
  - Added new tracepoints
    - DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__sync__wait__for__async);
    - DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch);
- [man/man5/zfs-module-parameters.5]
  - Updated man page

Ported-by: kernelOfTruth kerneloftruth@gmail.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2016-01-12 09:02:33 -08:00
..
arc.c
Illumos 5987 - zfs prefetch code needs work
2016-01-12 09:02:33 -08:00
blkptr.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
bplist.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
bpobj.c
Illumos 5810 - zdb should print details of bpobj
2015-05-11 15:10:24 -07:00
bptree.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
bqueue.c
Allow 16M send/recv blocks
2016-01-08 20:23:23 -05:00
dbuf_stats.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
dbuf.c
Illumos 5987 - zfs prefetch code needs work
2016-01-12 09:02:33 -08:00
ddt_zap.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
ddt.c
Handle zap_lookup() failure in ddt_object_load()
2015-08-19 14:32:50 -07:00
dmu_diff.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dmu_object.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dmu_objset.c
Illumos 6267 - dn_bonus evicted too early
2015-10-13 14:12:02 -07:00
dmu_send.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dmu_traverse.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dmu_tx.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dmu_zfetch.c
Illumos 5987 - zfs prefetch code needs work
2016-01-12 09:02:33 -08:00
dmu.c
Illumos 5987 - zfs prefetch code needs work
2016-01-12 09:02:33 -08:00
dnode_sync.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dnode.c
Illumos 5987 - zfs prefetch code needs work
2016-01-12 09:02:33 -08:00
dsl_bookmark.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_dataset.c
Fix 'prevsnap property' build failure
2016-01-11 13:35:40 -08:00
dsl_deadlist.c
Handle damaged blk_birth in dsl_deadlist_insert()
2015-12-15 16:12:31 -08:00
dsl_deleg.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_destroy.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dsl_dir.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_pool.c
Align thread priority with Linux defaults
2015-07-28 13:36:47 -07:00
dsl_prop.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_scan.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
dsl_synctask.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_userhold.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
fm.c
zfsdev_getminor() should check for invalid file handles
2015-06-22 17:02:13 -07:00
gzip.c
cstyle: Resolve C style issues
2013-12-18 16:46:35 -08:00
lz4.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
metaslab.c
Disable LBA weighting on files and SSDs
2015-09-01 15:22:07 -07:00
multilist.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
range_tree.c
Illumos 5163 - arc should reap range_seg_cache
2015-06-25 08:58:16 -07:00
refcount.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
rrwlock.c
Illumos 5008 - lock contention (rrw_exit) while running a read only load
2015-07-06 09:34:13 -07:00
sa.c
Prevent SA length overflow
2015-12-30 13:20:12 -08:00
sha256.c
Add linux sha2 support
2010-08-31 13:41:59 -07:00
spa_boot.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_config.c
Revert "Illumos 3749 - zfs event processing should work on R/O root filesystems"
2016-01-11 14:10:30 -08:00
spa_errlog.c
Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t
2014-08-06 14:48:41 -07:00
spa_history.c
Illumos 5027 - zfs large block support
2015-05-11 12:23:16 -07:00
spa_misc.c
Add spa_slop_shift module option
2015-09-02 09:30:18 -07:00
spa_stats.c
Illumos 5369 - arc flags should be an enum
2015-06-11 10:27:25 -07:00
spa.c
Revert "Illumos 3749 - zfs event processing should work on R/O root filesystems"
2016-01-11 14:10:30 -08:00
space_map.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
space_reftree.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
trace.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
txg.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
uberblock.c
Illumos 5347 - idle pool may run itself out of space
2015-07-14 10:35:21 -07:00
unique.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_cache.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_disk.c
Fix use-after-free in vdev_disk_physio_completion
2015-10-13 15:25:33 -07:00
vdev_file.c
Disable LBA weighting on files and SSDs
2015-09-01 15:22:07 -07:00
vdev_label.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
vdev_mirror.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_missing.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_queue.c
Fix zfs_vdev_aggregation_limit bounds checking
2015-12-18 13:32:06 -08:00
vdev_raidz.c
Illumos #5244 - zio pipeline callers should explicitly invoke next stage
2015-04-30 15:07:47 -07:00
vdev_root.c
Illumos #3598
2013-10-31 14:58:04 -07:00
vdev.c
Identify locks flagged by lockdep
2015-12-22 10:21:33 -08:00
zap_leaf.c
Illumos 5314 - Remove "dbuf phys" db->db_data pointer aliases in ZFS
2015-04-28 16:25:20 -07:00
zap_micro.c
Add zap_prefetch() interface
2015-12-04 09:39:20 -08:00
zap.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
zfeature_common.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
zfeature.c
Illumos 5959 - clean up per-dataset feature count code
2015-12-04 14:20:20 -08:00
zfs_acl.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Hold the zfs_snapentry_t before dispatch
2015-12-14 12:06:31 -08:00
zfs_debug.c
Add dbgmsg kstat
2015-09-04 16:08:14 -07:00
zfs_dir.c
Make xattr dir truncate and remove in one tx
2015-12-28 09:48:26 -08:00
zfs_fm.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_fuid.c
Illumos #3522
2013-10-30 14:51:27 -07:00
zfs_ioctl.c
Follow 0/-E convention for module load errors
2015-11-16 16:10:06 -08:00
zfs_log.c
Illumos 5027 - zfs large block support
2015-05-11 12:23:16 -07:00
zfs_onexit.c
zfsdev_getminor() should check for invalid file handles
2015-06-22 17:02:13 -07:00
zfs_replay.c
Linux AIO Support
2014-09-05 15:11:43 -07:00
zfs_rlock.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
zfs_sa.c
Prevent SA length overflow
2015-12-30 13:20:12 -08:00
zfs_vfsops.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
zfs_vnops.c
Illumos 4638 - Panic in ZFS via rfs3_setattr()/rfs3_write(): dirtying snapshot!
2016-01-11 10:29:48 -08:00
zfs_znode.c
Illumos 3139 - zdb dies when it tries to determine path of unlinked file
2016-01-05 11:25:41 -08:00
zil.c
Align thread priority with Linux defaults
2015-07-28 13:36:47 -07:00
zio_checksum.c
Illumos 4757, 4913
2014-08-01 14:28:05 -07:00
zio_compress.c
Illumos 5661 - ZFS: "compression = on" should use lz4 if feature is enabled
2015-07-10 12:11:45 -07:00
zio_inject.c
Illumos 5497 - lock contention on arcs_mtx
2015-06-11 10:27:25 -07:00
zio.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00
zle.c
Update core ZFS code from build 121 to build 141.
2010-05-28 13:45:14 -07:00
zpl_ctldir.c
Linux 3.18 compat: Snapshot auto-mounting
2015-08-31 13:54:39 -07:00
zpl_export.c
zfsctl: No need to sync ctldir inodes
2015-08-31 13:54:39 -07:00
zpl_file.c
Linux 4.1 compat: loop device on ZFS
2015-08-24 10:17:06 -07:00
zpl_inode.c
Fix casesensitivity=insensitive deadlock
2016-01-08 11:05:07 -08:00
zpl_super.c
Disable zpl_nr_cached_objects() callback
2015-09-25 12:45:42 -07:00
zpl_xattr.c
Prevent SA length overflow
2015-12-30 13:20:12 -08:00
zrlock.c
Illumos 5812 - assertion failed in zrl_tryenter(): zr_owner==NULL
2015-04-30 14:43:40 -07:00
zvol.c
Illumos 5960, 5925
2016-01-08 15:08:19 -08:00