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Linus Torvalds 94514bbe9e for-4.17-tag 
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Merge tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "There are a several user visible changes, the rest is mostly invisible
  and continues to clean up the whole code base.

  User visible changes:
   - new mount option nossd_spread (pair for ssd_spread)

   - mount option subvolid will detect junk after the number and fail
     the mount

   - add message after cancelled device replace

   - direct module dependency on libcrc32, removed own crc wrappers

   - removed user space transaction ioctls

   - use lighter locking when reading /proc/self/mounts, RCU instead of
     mutex to avoid unnecessary contention

  Enhancements:
   - skip writeback of last page when truncating file to same size

   - send: do not issue unnecessary truncate operations

   - mount option token specifiers: use %u for unsigned values, more
     validation

   - selftests: more tree block validations

  qgroups:
   - preparatory work for splitting reservation types for data and
     metadata, this should allow for more accurate tracking and fix some
     issues with underflows or do further enhancements

   - split metadata reservations for started and joined transaction so
     they do not get mixed up and are accounted correctly at commit time

   - with the above, it's possible to revert patch that potentially
     deadlocks when trying to make more space by explicitly committing
     when the quota limit is hit

   - fix root item corruption when multiple same source snapshots are
     created with quota enabled

  RAID56:
   - make sure target is identical to source when raid56 rebuild fails
     after dev-replace

   - faster rebuild during scrub, batch by stripes and not
     block-by-block

   - make more use of cached data when rebuilding from a missing device

  Fixes:
   - null pointer deref when device replace target is missing

   - fix fsync after hole punching when using no-holes feature

   - fix lockdep splat when allocating percpu data with wrong GFP flags

  Cleanups, refactoring, core changes:
   - drop redunant parameters from various functions

   - kill and opencode trivial helpers

   - __cold/__exit function annotations

   - dead code removal

   - continued audit and documentation of memory barriers

   - error handling: handle removal from uuid tree

   - error handling: remove handling of impossible condtitons

   - more debugging or error messages

   - updated tracepoints

   - one VLA use removal (and one still left)"

* tag 'for-4.17-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (164 commits)
  btrfs: lift errors from add_extent_changeset to the callers
  Btrfs: print error messages when failing to read trees
  btrfs: user proper type for btrfs_mask_flags flags
  btrfs: split dev-replace locking helpers for read and write
  btrfs: remove stale comments about fs_mutex
  btrfs: use RCU in btrfs_show_devname for device list traversal
  btrfs: update barrier in should_cow_block
  btrfs: use lockdep_assert_held for mutexes
  btrfs: use lockdep_assert_held for spinlocks
  btrfs: Validate child tree block's level and first key
  btrfs: tests/qgroup: Fix wrong tree backref level
  Btrfs: fix copy_items() return value when logging an inode
  Btrfs: fix fsync after hole punching when using no-holes feature
  btrfs: use helper to set ulist aux from a qgroup
  Revert "btrfs: qgroups: Retry after commit on getting EDQUOT"
  btrfs: qgroup: Update trace events for metadata reservation
  btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space
  btrfs: delayed-inode: Use new qgroup meta rsv for delayed inode and item
  btrfs: qgroup: Use separate meta reservation type for delalloc
  btrfs: qgroup: Introduce function to convert META_PREALLOC into META_PERTRANS
  ...
 		2018-04-04 13:03:38 -07:00
..
tests btrfs: tests/qgroup: Fix wrong tree backref level 2018-03-31 02:01:05 +02:00
Kconfig btrfs: Remove custom crc32c init code 2018-03-26 15:09:39 +02:00
Makefile btrfs: Remove custom crc32c init code 2018-03-26 15:09:39 +02:00
acl.c btrfs: remove stale comments about fs_mutex 2018-03-31 02:01:07 +02:00
async-thread.c Btrfs: fix confusing worker helper info in stacktrace 2017-10-30 12:27:57 +01:00
async-thread.h btrfs: constify tracepoint arguments 2017-08-16 14:19:53 +02:00
backref.c btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
backref.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
btrfs_inode.h btrfs: open code trivial helper btrfs_page_exists_in_range 2018-03-31 01:26:50 +02:00
check-integrity.c btrfs: Remove custom crc32c init code 2018-03-26 15:09:39 +02:00
check-integrity.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
compression.c btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
compression.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
ctree.c btrfs: update barrier in should_cow_block 2018-03-31 02:01:06 +02:00
ctree.h btrfs: qgroup: Use root::qgroup_meta_rsv_* to record qgroup meta reserved space 2018-03-31 02:01:04 +02:00
dedupe.h
…
delayed-inode.c btrfs: delayed-inode: Use new qgroup meta rsv for delayed inode and item 2018-03-31 02:01:03 +02:00
delayed-inode.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
delayed-ref.c btrfs: use lockdep_assert_held for spinlocks 2018-03-31 02:01:06 +02:00
delayed-ref.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
dev-replace.c btrfs: split dev-replace locking helpers for read and write 2018-03-31 02:01:07 +02:00
dev-replace.h btrfs: split dev-replace locking helpers for read and write 2018-03-31 02:01:07 +02:00
dir-item.c btrfs: Remove custom crc32c init code 2018-03-26 15:09:39 +02:00
disk-io.c Btrfs: print error messages when failing to read trees 2018-03-31 02:02:14 +02:00
disk-io.h btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
export.c btrfs: Cleanup existing name_len checks 2018-01-22 16:08:12 +01:00
export.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extent-tree.c for-4.17-tag 2018-04-04 13:03:38 -07:00
extent_io.c btrfs: lift errors from add_extent_changeset to the callers 2018-03-31 02:03:25 +02:00
extent_io.h btrfs: remove unused parameters from extent_submit_bio_done_t 2018-03-31 01:26:55 +02:00
extent_map.c btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
extent_map.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
file-item.c Merge branch 'for-4.13-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-07-05 16:41:23 -07:00
file.c btrfs: qgroup: Use separate meta reservation type for delalloc 2018-03-31 01:41:14 +02:00
free-space-cache.c btrfs: qgroup: Use separate meta reservation type for delalloc 2018-03-31 01:41:14 +02:00
free-space-cache.h btrfs: free-space-cache, clean up unnecessary root arguments 2017-02-17 12:03:56 +01:00
free-space-tree.c btrfs: use reada direction enum instead of constant value in load_free_space_tree 2018-03-26 15:09:37 +02:00
free-space-tree.h btrfs: expose internal free space tree routine only if sanity tests are enabled 2017-08-18 16:36:29 +02:00
inode-item.c btrfs: Remove custom crc32c init code 2018-03-26 15:09:39 +02:00
inode-map.c btrfs: qgroup: Use separate meta reservation type for delalloc 2018-03-31 01:41:14 +02:00
inode-map.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
inode.c btrfs: qgroup: Use separate meta reservation type for delalloc 2018-03-31 01:41:14 +02:00
ioctl.c for-4.17-tag 2018-04-04 13:03:38 -07:00
locking.c btrfs: Relax memory barrier in btrfs_tree_unlock 2018-03-31 01:26:51 +02:00
locking.h
…
lzo.c btrfs: Remove unused tot_len var from lzo_decompress 2018-03-31 01:26:57 +02:00
math.h
…
ordered-data.c btrfs: qgroup: Use separate meta reservation type for delalloc 2018-03-31 01:41:14 +02:00
ordered-data.h btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
orphan.c
…
print-tree.c btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
print-tree.h btrfs: get fs_info from eb in btrfs_print_tree, remove argument 2017-08-16 16:12:03 +02:00
props.c btrfs: drop underscores from exported xattr functions 2018-03-26 15:09:41 +02:00
props.h
…
qgroup.c btrfs: use lockdep_assert_held for spinlocks 2018-03-31 02:01:06 +02:00
qgroup.h btrfs: qgroup: Introduce function to convert META_PREALLOC into META_PERTRANS 2018-03-31 01:41:14 +02:00
raid56.c Btrfs: replace: cache rbio when rebuild data on missing device 2018-03-31 01:41:12 +02:00
raid56.h btrfs: take an fs_info directly when the root is not used otherwise 2016-12-06 16:06:59 +01:00
rcu-string.h
…
reada.c btrfs: split dev-replace locking helpers for read and write 2018-03-31 02:01:07 +02:00
ref-verify.c btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
ref-verify.h Btrfs: add a extent ref verify tool 2017-10-30 12:28:00 +01:00
relocation.c btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
root-tree.c btrfs: Cleanup existing name_len checks 2018-01-22 16:08:12 +01:00
scrub.c btrfs: split dev-replace locking helpers for read and write 2018-03-31 02:01:07 +02:00
send.c Btrfs: send: fix typo in TLV_PUT 2018-03-26 15:09:42 +02:00
send.h btrfs: fix send ioctl on 32bit with 64bit kernel 2017-10-30 12:27:59 +01:00
struct-funcs.c btrfs: struct-funcs, constify readers 2017-08-16 14:19:53 +02:00
super.c btrfs: use RCU in btrfs_show_devname for device list traversal 2018-03-31 02:01:06 +02:00
sysfs.c btrfs: defer adding raid type kobject until after chunk relocation 2018-03-31 01:41:12 +02:00
sysfs.h Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux 2017-11-14 13:35:29 -08:00
transaction.c btrfs: qgroup: Split meta rsv type into meta_prealloc and meta_pertrans 2018-03-31 01:41:14 +02:00
transaction.h btrfs: Remove code referencing unused TRANS_USERSPACE 2018-03-31 01:26:51 +02:00
tree-checker.c btrfs: add more __cold annotations 2018-03-26 15:09:39 +02:00
tree-checker.h btrfs: tree-checker: Replace root parameter with fs_info 2018-03-26 15:09:38 +02:00
tree-defrag.c btrfs: add define for oldest generation 2018-03-31 01:26:50 +02:00
tree-log.c btrfs: Validate child tree block's level and first key 2018-03-31 02:01:06 +02:00
tree-log.h btrfs: Remove root argument from btrfs_log_dentry_safe 2018-03-26 15:09:42 +02:00
ulist.c btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
ulist.h btrfs: ulist: rename ulist_fini to ulist_release 2017-02-17 12:03:50 +01:00
uuid-tree.c btrfs: add define for oldest generation 2018-03-31 01:26:50 +02:00
volumes.c btrfs: split dev-replace locking helpers for read and write 2018-03-31 02:01:07 +02:00
volumes.h btrfs: rename btrfs_close_extra_device to btrfs_free_extra_devids 2018-03-26 15:09:42 +02:00
xattr.c btrfs: adjust return type of btrfs_getxattr 2018-03-26 15:09:41 +02:00
xattr.h btrfs: move btrfs_listxattr prototype to xattr.h 2018-03-26 15:09:41 +02:00
zlib.c btrfs: allow to set compression level for zlib 2017-11-01 20:45:29 +01:00
zstd.c btrfs: move some zstd work data from stack to workspace 2018-01-22 16:08:14 +01:00