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Subject[GIT PULL] Btrfs for 4.14
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Hi,

please pull the following btrfs branch to 4.14. The changes range through all
types: cleanups, core chagnes, sanity checks, fixes, other user visible
changes, detailed list below.

Merging notes: there's a minor conflict with the blk_status_t fix that went to
4.13-rc7 while this pull is on top of 4.13-rc5 as I did not want to rebase. The
resolution is simple, there's a removed parameter 'skip_sum' in function
__btrfs_submit_dio_bio. My resolution can be found in branch for-4.14-merged.

Changes:
* deprecated: user transaction ioctl
* mount option ssd does not change allocation alignments
* degraded read-write mount is allowed if all the raid profile constraints are
met, now based on more accurate check
* defrag: do not reset compression afterwards; the NOCOMPRESS flag can be now
overriden by defrag
* prep work for better extent reference tracking (related to the qgroup
slowness with balance)
* prep work for compression heuristics
* memory allocation reductions (may help latencies on a loaded system)
* better accounting for io waiting states
* error handling improvements (removed BUGs)
* added more sanity checks for shared refs
* fix readdir vs pagefault deadlock under some circumstances
* fix for 'no-hole' mode, certain combination of compressed and inline extents
* send: fix emission of invalid clone operations
* fixup file mode if setting acls fail
* more fixes from fuzzing
* oher cleanups

The following changes since commit ef954844c7ace62f773f4f23e28d2d915adc419f:

Linux 4.13-rc5 (2017-08-13 16:01:32 -0700)

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-4.14

for you to fetch changes up to db95c876c568cef951fbbd4c0118cb5386e4bb99:

btrfs: submit superblock io with REQ_META and REQ_PRIO (2017-08-22 13:22:05 +0200)

----------------------------------------------------------------
Aleksa Sarai (1):
btrfs: resume qgroup rescan on rw remount

Anand Jain (4):
btrfs: btrfs_inherit_iflags() can be static
btrfs: use appropriate define for the fsid
btrfs: use BTRFS_FSID_SIZE for fsid
btrfs: remove unused BTRFS_COMPRESS_LAST

Colin Ian King (1):
btrfs: remove redundant check on ret being non-zero

David Sterba (30):
btrfs: drop newlines from strings when using btrfs_* helpers
btrfs: use GFP_KERNEL in mount and remount
btrfs: use GFP_KERNEL in btrfs_defrag_file
btrfs: defrag: make readahead state allocation failure non-fatal
btrfs: factor reading progress out of btrfs_dev_replace_status
btrfs: simplify btrfs_dev_replace_kthread
btrfs: get fs_info from eb in btrfs_print_leaf, remove argument
btrfs: get fs_info from eb in btrfs_print_tree, remove argument
btrfs: cleanup types storing REQ_*
btrfs: merge REQ_OP and REQ_ flags to one parameter in submit_extent_page
btrfs: merge alloc_device helpers
btrfs: refactor find_device helper
btrfs: split write_dev_supers to two functions
btrfs: use named constant for bdev blocksize
btrfs: fix spelling of snapshotting
btrfs: drop ancient page flag mappings
btrfs: remove trivial wrapper btrfs_force_ra
btrfs: drop chunk locks at the end of close_ctree
btrfs: account that we're waiting for DIO read
btrfs: account that we're waiting for IO in scrub_submit_raid56_bio_wait
btrfs: rename variable holding per-inode compression type
btrfs: separate defrag and property compression
btrfs: defrag: cleanup checking for compression status
btrfs: allow defrag compress to override NOCOMPRESS attribute
btrfs: prepare for extensions in compression options
btrfs: scrub: use bool for flush_all_writes
btrfs: scrub: clean up division in __scrub_mark_bitmap
btrfs: scrub: clean up division in scrub_find_csum
btrfs: scrub: simplify scrub worker initialization
btrfs: submit superblock io with REQ_META and REQ_PRIO

Edmund Nadolski (6):
btrfs: btrfs_check_shared should manage its own transaction
btrfs: remove ref_tree implementation from backref.c
btrfs: convert prelimary reference tracking to use rbtrees
btrfs: add cond_resched() calls when resolving backrefs
btrfs: allow backref search checks for shared extents
btrfs: clean up extraneous computations in add_delayed_refs

Ernesto A. Fernández (1):
btrfs: preserve i_mode if __btrfs_set_acl() fails

Filipe Manana (3):
Btrfs: avoid unnecessarily locking inode when clearing a range
Btrfs: fix assertion failure during fsync in no-holes mode
Btrfs: incremental send, fix emission of invalid clone operations

Hans van Kranenburg (1):
btrfs: Do not use data_alloc_cluster in ssd mode

Jeff Mahoney (9):
btrfs: struct-funcs, constify readers
btrfs: constify tracepoint arguments
btrfs: backref, constify some arguments
btrfs: backref, add unode_aux_to_inode_list helper
btrfs: backref, cleanup __ namespace abuse
btrfs: add a node counter to each of the rbtrees
btrfs: backref, add tracepoints for prelim_ref insertion and merging
btrfs: account for pinned bytes in should_alloc_chunk
btrfs: pass fs_info to btrfs_del_root instead of tree_root

Josef Bacik (2):
btrfs: fix readdir deadlock with pagefault
btrfs: increase ctx->pos for delayed dir index

Liu Bo (9):
Btrfs: report errors when checksum is not found
Btrfs: fix out of bounds array access while reading extent buffer
Btrfs: add a helper to retrive extent inline ref type
Btrfs: convert to use btrfs_get_extent_inline_ref_type
Btrfs: remove BUG() in btrfs_extent_inline_ref_size
Btrfs: remove BUG() in print_extent_item
Btrfs: remove BUG() in add_data_reference
Btrfs: remove BUG_ON in __add_tree_block
Btrfs: add one more sanity check for shared ref type

Lu Fengqi (1):
btrfs: use btrfsic_submit_bio instead of submit_bio in write_dev_flush

Matthias Kaehlcke (1):
btrfs: Remove extra parentheses from condition in copy_items()

Nick Terrell (1):
btrfs: Keep one more workspace around

Nikolay Borisov (27):
btrfs: convert while loop to list_for_each_entry
btrfs: Use explicit round_down call rather than open-coding it
btrfs: Be explicit about usage of min()
btrfs: remove unused sectorsize member
btrfs: Remove redundant argument of flush_space
btrfs: Remove redundant checks from btrfs_alloc_data_chunk_ondemand
btrfs: Prevent possible ERR_PTR() dereference
btrfs: qgroups: Fix BUG_ON condition in tree level check
btrfs: Use explicit round_down macro in btrfs resize ioctl handler
btrfs: Remove find_raid56_stripe_len
btrfs: Remove unused variables
btrfs: Remove unused parameters from volume.c functions
btrfs: Remove never reached error handling code in __add_reloc_root
btrfs: Deprecate userspace transaction ioctls
btrfs: Make flush_space return void
btrfs: Simplify math in should_alloc chunk
btrfs: Remove never-reached WARN_ON
btrfs: Remove unused sectorsize variable from struct map_lookup
btrfs: expose internal free space tree routine only if sanity tests are enabled
btrfs: Move skip checksum check from btrfs_submit_direct to __btrfs_submit_dio_bio
btrfs: Fix -EOVERFLOW handling in btrfs_ioctl_tree_search_v2
btrfs: Remove redundant setting of uuid in btrfs_block_header
btrfs: Remove chunk_objectid argument from btrfs_make_block_group
btrfs: Remove extraneous chunk_objectid variable
btrfs: Remove chunk_objectid parameter of btrfs_alloc_dev_extent
btrfs: remove superfluous chunk_tree argument from btrfs_alloc_dev_extent
btrfs: remove unnecessary memory barrier in btrfs_direct_IO

Qu Wenruo (6):
btrfs: Introduce a function to check if all chunks a OK for degraded rw mount
btrfs: Do chunk level check for degraded rw mount
btrfs: Do chunk level check for degraded remount
btrfs: Allow barrier_all_devices to do chunk level device check
btrfs: Cleanup num_tolerated_disk_barrier_failures
btrfs: Enhance message when a device is missing during mount

Timofey Titovets (1):
Btrfs: add skeleton code for compression heuristic

fs/btrfs/acl.c | 6 +-
fs/btrfs/async-thread.c | 6 +-
fs/btrfs/async-thread.h | 6 +-
fs/btrfs/backref.c | 1085 ++++++++++++++------------------
fs/btrfs/backref.h | 16 +-
fs/btrfs/btrfs_inode.h | 13 +-
fs/btrfs/check-integrity.c | 8 +-
fs/btrfs/compression.c | 35 +-
fs/btrfs/compression.h | 3 +-
fs/btrfs/ctree.c | 14 +-
fs/btrfs/ctree.h | 183 +++---
fs/btrfs/delayed-inode.c | 1 +
fs/btrfs/dev-replace.c | 74 ++-
fs/btrfs/disk-io.c | 242 +++----
fs/btrfs/disk-io.h | 10 +-
fs/btrfs/extent-tree.c | 200 ++++--
fs/btrfs/extent_io.c | 92 ++-
fs/btrfs/extent_io.h | 19 +-
fs/btrfs/file.c | 19 +-
fs/btrfs/free-space-cache.c | 2 +-
fs/btrfs/free-space-tree.c | 2 +-
fs/btrfs/free-space-tree.h | 3 +-
fs/btrfs/inode.c | 221 +++++--
fs/btrfs/ioctl.c | 116 ++--
fs/btrfs/print-tree.c | 40 +-
fs/btrfs/print-tree.h | 4 +-
fs/btrfs/props.c | 10 +-
fs/btrfs/qgroup.c | 7 +-
fs/btrfs/relocation.c | 32 +-
fs/btrfs/root-tree.c | 9 +-
fs/btrfs/scrub.c | 47 +-
fs/btrfs/send.c | 21 +-
fs/btrfs/struct-funcs.c | 9 +-
fs/btrfs/super.c | 41 +-
fs/btrfs/tests/btrfs-tests.c | 1 -
fs/btrfs/tests/free-space-tree-tests.c | 2 +-
fs/btrfs/tree-log.c | 9 +-
fs/btrfs/volumes.c | 296 ++++-----
fs/btrfs/volumes.h | 8 +-
include/trace/events/btrfs.h | 331 ++++++----
40 files changed, 1702 insertions(+), 1541 deletions(-)

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