NEX-10069 ZFS_READONLY is a little too strict (fix test lint)
NEX-9553 Move ss_fill gap logic from scan algorithm into range_tree.c
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-6088 ZFS scrub/resilver take excessively long due to issuing lots of random IO
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
NEX-4620 ZFS autotrim triggering is unreliable
NEX-4622 On-demand TRIM code illogically enumerates metaslabs via mg_ms_tree
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
NEX-4619 Want kstats to monitor TRIM and UNMAP operation
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
NEX-4245 WRC: Code cleanup and refactoring to simplify merge with upstream
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Alex Aizman <alex.aizman@nexenta.com>
NEX-3984 On-demand TRIM
Reviewed by: Alek Pinchuk <alek@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Conflicts:
        usr/src/common/zfs/zpool_prop.c
        usr/src/uts/common/sys/fs/zfs.h
NEX-3558 KRRP Integration

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
   * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_METASLAB_H
  #define _SYS_METASLAB_H
*** 54,83 ****
  
  void metaslab_sync(metaslab_t *, uint64_t);
  void metaslab_sync_done(metaslab_t *, uint64_t);
  void metaslab_sync_reassess(metaslab_group_t *);
  uint64_t metaslab_block_maxsize(metaslab_t *);
  
! #define METASLAB_HINTBP_FAVOR           0x0
! #define METASLAB_HINTBP_AVOID           0x1
! #define METASLAB_GANG_HEADER            0x2
! #define METASLAB_GANG_CHILD             0x4
! #define METASLAB_ASYNC_ALLOC            0x8
  #define METASLAB_DONT_THROTTLE          0x10
  
  int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t,
      blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *);
- int metaslab_alloc_dva(spa_t *, metaslab_class_t *, uint64_t,
-     dva_t *, int, dva_t *, uint64_t, int, zio_alloc_list_t *);
  void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t);
! void metaslab_free_concrete(vdev_t *, uint64_t, uint64_t, uint64_t);
! void metaslab_free_dva(spa_t *, const dva_t *, uint64_t);
! void metaslab_free_impl_cb(uint64_t, vdev_t *, uint64_t, uint64_t, void *);
! void metaslab_unalloc_dva(spa_t *, const dva_t *, uint64_t);
  int metaslab_claim(spa_t *, const blkptr_t *, uint64_t);
- int metaslab_claim_impl(vdev_t *, uint64_t, uint64_t, uint64_t);
  void metaslab_check_free(spa_t *, const blkptr_t *);
  
  void metaslab_alloc_trace_init(void);
  void metaslab_alloc_trace_fini(void);
  void metaslab_trace_init(zio_alloc_list_t *);
  void metaslab_trace_fini(zio_alloc_list_t *);
--- 55,81 ----
  
  void metaslab_sync(metaslab_t *, uint64_t);
  void metaslab_sync_done(metaslab_t *, uint64_t);
  void metaslab_sync_reassess(metaslab_group_t *);
  uint64_t metaslab_block_maxsize(metaslab_t *);
+ void metaslab_auto_trim(metaslab_t *, uint64_t);
  
! #define METASLAB_HINTBP_FAVOR           0x00
! #define METASLAB_HINTBP_AVOID           0x01
! #define METASLAB_GANG_HEADER            0x02
! #define METASLAB_GANG_CHILD             0x04
! #define METASLAB_ASYNC_ALLOC            0x08
  #define METASLAB_DONT_THROTTLE          0x10
+ #define METASLAB_USE_WEIGHT_SECONDARY   0x20
  
  int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t,
      blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *);
  void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t);
! void metaslab_free_dva(spa_t *, const dva_t *, uint64_t, boolean_t);
  int metaslab_claim(spa_t *, const blkptr_t *, uint64_t);
  void metaslab_check_free(spa_t *, const blkptr_t *);
+ zio_t *metaslab_trim_all(metaslab_t *, uint64_t *);
  
  void metaslab_alloc_trace_init(void);
  void metaslab_alloc_trace_fini(void);
  void metaslab_trace_init(zio_alloc_list_t *);
  void metaslab_trace_fini(zio_alloc_list_t *);
*** 109,118 ****
--- 107,119 ----
  uint64_t metaslab_group_fragmentation(metaslab_group_t *);
  void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *);
  void metaslab_group_alloc_decrement(spa_t *, uint64_t, void *, int);
  void metaslab_group_alloc_verify(spa_t *, const blkptr_t *, void *);
  
+ void metaslab_trimstats_create(spa_t *spa);
+ void metaslab_trimstats_destroy(spa_t *spa);
+ 
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _SYS_METASLAB_H */