Merge android-4.14 (4ef89ada) into msm-4.14

This merge do not add any new delta as all changes were
already cherry-picked into the tree with:

  7fb3f3b2 f2fs: updates on 4.15-rc1
  a53dc75a fscrypt: updates on 4.15-rc4
  ce767d9a f2fs: updates on v4.16-rc1
  e9931e76 FROMLIST: f2fs: don't put dentry page in pagecache into highmem
  a2a9032a f2fs/fscrypt: updates to v4.17-rc1
  b374bf0f f2fs: check cap_resource only for data blocks
  3eb22bff Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"
  f8385a15 f2fs: clear PageError on writepage
  b84f6010 f2fs: call unlock_new_inode() before d_instantiate()
  c6e638ae f2fs: refactor read path to allow multiple postprocessing steps
  61760b0b fscrypt: allow synchronous bio decryption
  99e5f1a4 UPSTREAM: f2fs: clear PageError on writepage - part 2
  2ae46065 UPSTREAM: f2fs: avoid fsync() failure caused by EAGAIN in writepage()
  d2818a65 FROMLIST: f2fs: early updates queued for v4.18-rc1
  787f7fac f2fs: run fstrim asynchronously if runtime discard is on

* refs/heads/tmp-4ef89ada:
  f2fs: run fstrim asynchronously if runtime discard is on
  f2fs: turn down IO priority of discard from background
  f2fs: don't split checkpoint in fstrim
  f2fs: issue discard commands proactively in high fs utilization
  f2fs: add fsync_mode=nobarrier for non-atomic files
  f2fs: let fstrim issue discard commands in lower priority
  f2fs: avoid fsync() failure caused by EAGAIN in writepage()
  f2fs: clear PageError on writepage - part 2
  f2fs: check cap_resource only for data blocks
  Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"
  f2fs: clear PageError on writepage
  f2fs: call unlock_new_inode() before d_instantiate()
  f2fs: refactor read path to allow multiple postprocessing steps
  fscrypt: allow synchronous bio decryption
  f2fs: remain written times to update inode during fsync
  f2fs: make assignment of t->dentry_bitmap more readable
  f2fs: truncate preallocated blocks in error case
  f2fs: fix a wrong condition in f2fs_skip_inode_update
  f2fs: reserve bits for fs-verity
  f2fs: Add a segment type check in inplace write
  f2fs: no need to initialize zero value for GFP_F2FS_ZERO
  f2fs: don't track new nat entry in nat set
  f2fs: clean up with F2FS_BLK_ALIGN
  f2fs: check blkaddr more accuratly before issue a bio
  f2fs: Set GF_NOFS in read_cache_page_gfp while doing f2fs_quota_read
  f2fs: introduce a new mount option test_dummy_encryption
  f2fs: introduce F2FS_FEATURE_LOST_FOUND feature
  f2fs: release locks before return in f2fs_ioc_gc_range()
  f2fs: align memory boundary for bitops
  f2fs: remove unneeded set_cold_node()
  f2fs: add nowait aio support
  f2fs: wrap all options with f2fs_sb_info.mount_opt
  f2fs: Don't overwrite all types of node to keep node chain
  f2fs: introduce mount option for fsync mode
  f2fs: fix to restore old mount option in ->remount_fs
  f2fs: wrap sb_rdonly with f2fs_readonly
  f2fs: avoid selinux denial on CAP_SYS_RESOURCE
  f2fs: support hot file extension
  f2fs: fix to avoid race in between atomic write and background GC
  f2fs: do gc in greedy mode for whole range if gc_urgent mode is set
  f2fs: issue discard aggressively in the gc_urgent mode
  f2fs: set readdir_ra by default
  f2fs: add auto tuning for small devices
  f2fs: add mount option for segment allocation policy
  f2fs: don't stop GC if GC is contended
  f2fs: expose extension_list sysfs entry
  f2fs: fix to set KEEP_SIZE bit in f2fs_zero_range
  f2fs: introduce sb_lock to make encrypt pwsalt update exclusive
  f2fs: remove redundant initialization of pointer 'p'
  f2fs: flush cp pack except cp pack 2 page at first
  f2fs: clean up f2fs_sb_has_xxx functions
  f2fs: remove redundant check of page type when submit bio
  f2fs: fix to handle looped node chain during recovery
  f2fs: handle quota for orphan inodes
  f2fs: support passing down write hints to block layer with F2FS policy
  f2fs: support passing down write hints given by users to block layer
  f2fs: fix to clear CP_TRIMMED_FLAG
  f2fs: support large nat bitmap
  f2fs: fix to check extent cache in f2fs_drop_extent_tree
  f2fs: restrict inline_xattr_size configuration
  f2fs: fix heap mode to reset it back
  f2fs: fix potential corruption in area before F2FS_SUPER_OFFSET
  fscrypt: fix build with pre-4.6 gcc versions
  fscrypt: remove 'ci' parameter from fscrypt_put_encryption_info()
  fscrypt: fix up fscrypt_fname_encrypted_size() for internal use
  fscrypt: define fscrypt_fname_alloc_buffer() to be for presented names
  fscrypt: calculate NUL-padding length in one place only
  fscrypt: move fscrypt_symlink_data to fscrypt_private.h
  ubifs: switch to fscrypt_get_symlink()
  ubifs: switch to fscrypt ->symlink() helper functions
  fscrypt: remove fscrypt_fname_usr_to_disk()
  ext4: switch to fscrypt_get_symlink()
  ext4: switch to fscrypt ->symlink() helper functions
  f2fs: switch to fscrypt_get_symlink()
  f2fs: switch to fscrypt ->symlink() helper functions
  fscrypt: new helper function - fscrypt_get_symlink()
  fscrypt: new helper functions for ->symlink()
  fscrypt: trim down fscrypt.h includes
  fscrypt: move fscrypt_is_dot_dotdot() to fs/crypto/fname.c
  fscrypt: move fscrypt_valid_enc_modes() to fscrypt_private.h
  fscrypt: move fscrypt_operations declaration to fscrypt_supp.h
  fscrypt: split fscrypt_dummy_context_enabled() into supp/notsupp versions
  fscrypt: move fscrypt_ctx declaration to fscrypt_supp.h
  fscrypt: move fscrypt_info_cachep declaration to fscrypt_private.h
  fscrypt: move fscrypt_control_page() to supp/notsupp headers
  fscrypt: move fscrypt_has_encryption_key() to supp/notsupp headers
  f2fs: don't put dentry page in pagecache into highmem
  f2fs: support inode creation time
  f2fs: rebuild sit page from sit info in mem
  f2fs: stop issuing discard if fs is readonly
  f2fs: clean up duplicated assignment in init_discard_policy
  f2fs: use GFP_F2FS_ZERO for cleanup
  f2fs: allow to recover node blocks given updated checkpoint
  f2fs: recover some i_inline flags
  f2fs: correct removexattr behavior for null valued extended attribute
  f2fs: drop page cache after fs shutdown
  f2fs: stop gc/discard thread after fs shutdown
  f2fs: hanlde error case in f2fs_ioc_shutdown
  f2fs: split need_inplace_update
  f2fs: fix to update last_disk_size correctly
  f2fs: kill F2FS_INLINE_XATTR_ADDRS for cleanup
  f2fs: clean up error path of fill_super
  f2fs: avoid hungtask when GC encrypted block if io_bits is set
  f2fs: allow quota to use reserved blocks
  f2fs: fix to drop all inmem pages correctly
  f2fs: speed up defragment on sparse file
  f2fs: support F2FS_IOC_PRECACHE_EXTENTS
  f2fs: add an ioctl to disable GC for specific file
  f2fs: prevent newly created inode from being dirtied incorrectly
  f2fs: support FIEMAP_FLAG_XATTR
  f2fs: fix to cover f2fs_inline_data_fiemap with inode_lock
  f2fs: check node page again in write end io
  f2fs: fix to caclulate required free section correctly
  f2fs: handle newly created page when revoking inmem pages
  f2fs: add resgid and resuid to reserve root blocks
  f2fs: implement cgroup writeback support
  f2fs: remove unused pend_list_tag
  f2fs: avoid high cpu usage in discard thread
  f2fs: make local functions static
  f2fs: add reserved blocks for root user
  f2fs: check segment type in __f2fs_replace_block
  f2fs: update inode info to inode page for new file
  f2fs: show precise # of blocks that user/root can use
  f2fs: clean up unneeded declaration
  f2fs: continue to do direct IO if we only preallocate partial blocks
  f2fs: enable quota at remount from r to w
  f2fs: skip stop_checkpoint for user data writes
  f2fs: fix missing error number for xattr operation
  f2fs: recover directory operations by fsync
  f2fs: return error during fill_super
  f2fs: fix an error case of missing update inode page
  f2fs: fix potential hangtask in f2fs_trace_pid
  f2fs: no need return value in restore summary process
  f2fs: use unlikely for release case
  f2fs: don't return value in truncate_data_blocks_range
  f2fs: clean up f2fs_map_blocks
  f2fs: clean up hash codes
  f2fs: fix error handling in fill_super
  f2fs: spread f2fs_k{m,z}alloc
  f2fs: inject fault to kvmalloc
  f2fs: inject fault to kzalloc
  f2fs: remove a redundant conditional expression
  f2fs: apply write hints to select the type of segment for direct write
  f2fs: switch to fscrypt_prepare_setattr()
  f2fs: switch to fscrypt_prepare_lookup()
  f2fs: switch to fscrypt_prepare_rename()
  f2fs: switch to fscrypt_prepare_link()
  f2fs: switch to fscrypt_file_open()
  posix_acl: convert posix_acl.a_refcount from atomic_t to refcount_t
  f2fs: remove repeated f2fs_bug_on
  f2fs: remove an excess variable
  f2fs: fix lock dependency in between dio_rwsem & i_mmap_sem
  f2fs: remove unused parameter
  f2fs: still write data if preallocate only partial blocks
  f2fs: introduce sysfs readdir_ra to readahead inode block in readdir
  f2fs: fix concurrent problem for updating free bitmap
  f2fs: remove unneeded memory footprint accounting
  f2fs: no need to read nat block if nat_block_bitmap is set
  f2fs: reserve nid resource for quota sysfile
  Revert "locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()"
  fscrypt: move to generic async completion
  crypto: introduce crypto wait for async op
  locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()
  fscrypt: new helper function - fscrypt_prepare_setattr()
  fscrypt: new helper function - fscrypt_prepare_lookup()
  fscrypt: new helper function - fscrypt_prepare_rename()
  fscrypt: new helper function - fscrypt_prepare_link()
  fscrypt: new helper function - fscrypt_file_open()
  fscrypt: new helper function - fscrypt_require_key()
  fscrypt: remove unneeded empty fscrypt_operations structs
  fscrypt: remove ->is_encrypted()
  fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
  fs, fscrypt: add an S_ENCRYPTED inode flag
  fscrypt: clean up include file mess
  f2fs: deny accessing encryption policy if encryption is off
  f2fs: inject fault in inc_valid_node_count
  f2fs: expose quota information in debugfs
  f2fs: separate nat entry mem alloc from nat_tree_lock
  f2fs: validate before set/clear free nat bitmap
  f2fs: avoid opened loop codes in __add_ino_entry
  f2fs: apply write hints to select the type of segments for buffered write
  f2fs: introduce scan_curseg_cache for cleanup
  f2fs: optimize the way of traversing free_nid_bitmap
  f2fs: keep scanning until enough free nids are acquired
  f2fs: trace checkpoint reason in fsync()
  f2fs: keep isize once block is reserved cross EOF
  f2fs: avoid race in between GC and block exchange
  f2fs: save a multiplication for last_nid calculation
  f2fs: fix summary info corruption
  f2fs: remove dead code in update_meta_page
  f2fs: remove unneeded semicolon
  f2fs: don't bother with inode->i_version
  f2fs: check curseg space before foreground GC
  f2fs: use rw_semaphore to protect SIT cache
  f2fs: support quota sys files
  f2fs: add quota_ino feature infra
  f2fs: optimize __update_nat_bits
  f2fs: modify for accurate fggc node io stat
  Revert "f2fs: handle dirty segments inside refresh_sit_entry"
  f2fs: add a function to move nid
  f2fs: export SSR allocation threshold
  f2fs: give correct trimmed blocks in fstrim
  f2fs: support bio allocation error injection
  f2fs: support get_page error injection
  f2fs: add missing sysfs description
  f2fs: support soft block reservation
  f2fs: handle error case when adding xattr entry
  f2fs: support flexible inline xattr size
  f2fs: show current cp state
  f2fs: add missing quota_initialize
  f2fs: show # of dirty segments via sysfs
  f2fs: stop all the operations by cp_error flag
  f2fs: remove several redundant assignments
  f2fs: avoid using timespec
  f2fs: fix to correct no_fggc_candidate
  Revert "f2fs: return wrong error number on f2fs_quota_write"
  f2fs: remove obsolete pointer for truncate_xattr_node
  f2fs: retry ENOMEM for quota_read|write
  f2fs: limit # of inmemory pages
  f2fs: update ctx->pos correctly when hitting hole in directory
  f2fs: relocate readahead codes in readdir()
  f2fs: allow readdir() to be interrupted
  f2fs: trace f2fs_readdir
  f2fs: trace f2fs_lookup
  f2fs: skip searching non-exist range in truncate_hole
  f2fs: avoid stale fi->gdirty_list pointer
  f2fs/crypto: drop crypto key at evict_inode only
  f2fs: fix to avoid race when accessing last_disk_size
  f2fs: Fix bool initialization/comparison
  f2fs: give up CP_TRIMMED_FLAG if it drops discards
  f2fs: trace f2fs_remove_discard
  f2fs: reduce cmd_lock coverage in __issue_discard_cmd
  f2fs: split discard policy
  f2fs: wrap discard policy
  f2fs: support issuing/waiting discard in range
  f2fs: fix to flush multiple device in checkpoint
  f2fs: enhance multiple device flush
  f2fs: fix to show ino management cache size correctly
  f2fs: drop FI_UPDATE_WRITE tag after f2fs_issue_flush
  f2fs: obsolete ALLOC_NID_LIST list
  f2fs: convert inline data for direct I/O & FI_NO_PREALLOC
  f2fs: allow readpages with NULL file pointer
  f2fs: show flush list status in sysfs
  f2fs: introduce read_xattr_block
  f2fs: introduce read_inline_xattr
  Revert "f2fs: reuse nids more aggressively"
  Revert "f2fs: node segment is prior to data segment selected victim"

Change-Id: Ie98691445c225cdae084c59271ac06bb1b29e017
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>