Merge remote-tracking branch 'origin/upstream-f2fs-stable-linux-4.14.y' into android-4.14

Cherry-picked from origin/upstream-f2fs-stable-linux-4.14.y:

1bb3cca1 treewide: Use array_size in f2fs_kvzalloc()
cf663a62 treewide: Use array_size() in f2fs_kzalloc()
eac699e6 treewide: Use array_size() in f2fs_kmalloc()
fc8ab902 overflow.h: Add allocation size calculation helpers
ccd39d96 f2fs: fix to clear FI_VOLATILE_FILE correctly
57344fb5 f2fs: let sync node IO interrupt async one
6cf94909 f2fs: don't change wbc->sync_mode
c4a1d7bb f2fs: fix to update mtime correctly
b693f29b fs: f2fs: insert space around that ':' and ', '
9449a17f fs: f2fs: add missing blank lines after declarations
b6f703cb fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
9919f980 f2fs: clean up symbol namespace
1a37234c f2fs: make set_de_type() static
57d24d20 f2fs: make __f2fs_write_data_pages() static
e269eadf f2fs: fix to avoid accessing cross the boundary
3e1842e7 f2fs: fix to let caller retry allocating block address
b97a9b93 disable loading f2fs module on PAGE_SIZE > 4KB
46df5fe2 f2fs: fix error path of move_data_page
1b8f49ae f2fs: don't drop dentry pages after fs shutdown
5dbd21b1 f2fs: fix to avoid race during access gc_thread pointer
b6f0cb18 f2fs: clean up with clear_radix_tree_dirty_tag
b9272dd4 f2fs: fix to don't trigger writeback during recovery
d46792d6 f2fs: clear discard_wake earlier
161d1c91 f2fs: let discard thread wait a little longer if dev is busy
4329d61c f2fs: avoid stucking GC due to atomic write
223d239c f2fs: introduce sbi->gc_mode to determine the policy
c5f57523 f2fs: keep migration IO order in LFS mode
4a4f98b7 f2fs: fix to wait page writeback during revoking atomic write
6c5d01ab f2fs: Fix deadlock in shutdown ioctl
1f315091 f2fs: detect synchronous writeback more earlier
c806c418 mm: remove nr_pages argument from pagevec_lookup_{,range}_tag()
8aa71a32 ceph: use pagevec_lookup_range_nr_tag()
b44cc9e8 mm: add variant of pagevec_lookup_range_tag() taking number of pages
af44f89b mm: use pagevec_lookup_range_tag() in write_cache_pages()
a01f2023 mm: use pagevec_lookup_range_tag() in __filemap_fdatawait_range()
ed5739e3 nilfs2: use pagevec_lookup_range_tag()
95954b0d gfs2: use pagevec_lookup_range_tag()
8d62b4b2 f2fs: use find_get_pages_tag() for looking up single page
53f38f26 f2fs: simplify page iteration loops
b0310cc6 f2fs: use pagevec_lookup_range_tag()
e62fbfd6 ext4: use pagevec_lookup_range_tag()
10622149 ceph: use pagevec_lookup_range_tag()
4b65630c btrfs: use pagevec_lookup_range_tag()
8e8455a6 mm: implement find_get_pages_range_tag()
a9a6eb48 f2fs: clean up with is_valid_blkaddr()
992fa7bd f2fs: fix to initialize min_mtime with ULLONG_MAX
9af9ec1b f2fs: fix to let checkpoint guarantee atomic page persistence
d5f8aab3 f2fs: fix to initialize i_current_depth according to inode type
12dab4e6 Revert "f2fs: add ovp valid_blocks check for bg gc victim to fg_gc"
34f089c5 f2fs: don't drop any page on f2fs_cp_error() case
76dffc99 f2fs: fix spelling mistake: "extenstion" -> "extension"
a5a897aa f2fs: enhance sanity_check_raw_super() to avoid potential overflows
f0b5d766 f2fs: treat volatile file's data as hot one
50644840 f2fs: introduce release_discard_addr() for cleanup
39b292a4 f2fs: fix potential overflow
76ddd4ff f2fs: rename dio_rwsem to i_gc_rwsem
c75638d5 f2fs: move mnt_want_write_file after range check
cc7e70c0 f2fs: fix missing clear FI_NO_PREALLOC in some error case
c9b3f46f f2fs: enforce fsync_mode=strict for renamed directory
cbbd81cf f2fs: sanity check for total valid node blocks
bbd9c950 f2fs: sanity check on sit entry
d921ced4 f2fs: avoid bug_on on corrupted inode
32c00c53 f2fs: give message and set need_fsck given broken node id
568765d7 f2fs: clean up commit_inmem_pages()
ac2074b5 f2fs: do not check F2FS_INLINE_DOTS in recover
1f147391 f2fs: remove duplicated dquot_initialize and fix error handling
913efaec f2fs: fix to detect failure of dquot_initialize
f60d3b8f f2fs: stop issue discard if something wrong with f2fs
4470ece5 f2fs: fix return value in f2fs_ioc_commit_atomic_write
318a9d5a f2fs: allocate hot_data for atomic write more strictly
bd5f1c23 f2fs: check if inmem_pages list is empty correctly
2e405acc f2fs: fix race in between GC and atomic open
408e9720 f2fs: change le32 to le16 of f2fs_inode->i_extra_size
2f3cee5b f2fs: check cur_valid_map_mir & raw_sit block count when flush sit entries
8cd907ee f2fs: correct return value of f2fs_trim_fs
0be91d34 f2fs: fix to show missing bits in FS_IOC_GETFLAGS
dbfe915c f2fs: remove unneeded F2FS_PROJINHERIT_FL
ee8586bb f2fs: don't use GFP_ZERO for page caches
50332ac9 f2fs: issue all big range discards in umount process
1c3ec702 f2fs: remove redundant block plug
694cd12f f2fs: remove unmatched zero_user_segment when convert inline dentry
39c9aacb f2fs: introduce private inode status mapping
755a8a8a fscrypt: log the crypto algorithm implementations
e81950ad fscrypt: add Speck128/256 support
9637768c fscrypt: only derive the needed portion of the key
deba2007 fscrypt: separate key lookup from key derivation
04566cd6 fscrypt: use a common logging function
2a954695 fscrypt: remove internal key size constants
fc161f44 fscrypt: remove unnecessary check for non-logon key type
ab8345a1 fscrypt: make fscrypt_operations.max_namelen an integer
65702a6e fscrypt: drop empty name check from fname_decrypt()
219e6541 fscrypt: drop max_namelen check from fname_decrypt()
ef1def58 fscrypt: don't special-case EOPNOTSUPP from fscrypt_get_encryption_info()
49ddcfcd fscrypt: don't clear flags on crypto transform
ff8225b6 fscrypt: remove stale comment from fscrypt_d_revalidate()
712401bc fscrypt: remove error messages for skcipher_request_alloc() failure
6e4e39cc fscrypt: remove unnecessary NULL check when allocating skcipher
42b3feb2 fscrypt: clean up after fscrypt_prepare_lookup() conversions
e43a0727 ubifs: switch to fscrypt_prepare_lookup()
f76b2cb6 ext4: switch to fscrypt_prepare_lookup()
fc30ddc3 fscrypt: use unbound workqueue for decryption

Change-Id: I3912aa38b2bf515ef8af8ed4945e54bc63945c86
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>