[GIT PULL] ext4 changes for 5.2

From: Theodore Ts'o
Date: Tue May 07 2019 - 19:29:39 EST


The following changes since commit 79a3aaa7b82e3106be97842dedfd8429248896e6:

Linux 5.1-rc3 (2019-03-31 14:39:29 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git tags/ext4_for_linus

for you to fetch changes up to db90f41916cf04c020062f8d8b0385942248283e:

ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present (2019-05-06 14:03:52 -0400)

----------------------------------------------------------------
Add as a feature case-insensitive directories (the casefold feature)
using Unicode 12.1. Also, the usual largish number of cleanups and bug
fixes.

----------------------------------------------------------------
Arnd Bergmann (1):
ext4: use BUG() instead of BUG_ON(1)

Barret Rhoden (1):
ext4: fix use-after-free race with debug_want_extra_isize

Debabrata Banerjee (1):
ext4: fix ext4_show_options for file systems w/o journal

Eric Biggers (1):
ext4: remove incorrect comment for NEXT_ORPHAN()

Gabriel Krisman Bertazi (8):
unicode: introduce UTF-8 character database
unicode: implement higher level API for string handling
unicode: introduce test module for normalized utf8 implementation
unicode: update unicode database unicode version 12.1.0
MAINTAINERS: add Unicode subsystem entry
ext4: include charset encoding information in the superblock
ext4: Support case-insensitive file name lookups
docs: ext4.rst: document case-insensitive directories

Jan Kara (1):
ext4: make sanity check in mballoc more strict

Jiufei Xue (1):
jbd2: check superblock mapped prior to committing

Khazhismel Kumykov (1):
ext4: cond_resched in work-heavy group loops

Kirill Tkhai (1):
ext4: actually request zeroing of inode table after grow

Liu Song (1):
jbd2: remove repeated assignments in __jbd2_log_wait_for_space()

Liu Xiang (1):
ext4: fix prefetchw of NULL page

Masahiro Yamada (1):
unicode: refactor the rule for regenerating utf8data.h

Olaf Weber (2):
unicode: introduce code for UTF-8 normalization
unicode: reduce the size of utf8data[]

Pan Bian (1):
ext4: avoid drop reference to iloc.bh twice

Theodore Ts'o (3):
ext4: protect journal inode's blocks using block_validity
ext4: ignore e_value_offs for xattrs with value-in-ea-inode
ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present

Documentation/admin-guide/ext4.rst | 38 +
Documentation/dontdiff | 2 +
MAINTAINERS | 6 +
fs/Kconfig | 1 +
fs/Makefile | 1 +
fs/ext4/block_validity.c | 49 +
fs/ext4/dir.c | 48 +
fs/ext4/ext4.h | 45 +-
fs/ext4/extents_status.c | 4 +-
fs/ext4/hash.c | 34 +-
fs/ext4/ialloc.c | 2 +-
fs/ext4/inline.c | 2 +-
fs/ext4/inode.c | 12 +-
fs/ext4/ioctl.c | 20 +-
fs/ext4/mballoc.c | 4 +-
fs/ext4/namei.c | 107 +-
fs/ext4/readpage.c | 3 +-
fs/ext4/resize.c | 1 +
fs/ext4/super.c | 151 ++-
fs/ext4/sysfs.c | 6 +
fs/ext4/xattr.c | 2 +-
fs/jbd2/checkpoint.c | 1 -
fs/jbd2/journal.c | 4 +
fs/unicode/.gitignore | 2 +
fs/unicode/Kconfig | 13 +
fs/unicode/Makefile | 38 +
fs/unicode/README.utf8data | 71 ++
fs/unicode/mkutf8data.c | 3419 ++++++++++++++++++++++++++++++++++++++++++++++++++
fs/unicode/utf8-core.c | 187 +++
fs/unicode/utf8-norm.c | 799 ++++++++++++
fs/unicode/utf8-selftest.c | 320 +++++
fs/unicode/utf8data.h_shipped | 4109 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
fs/unicode/utf8n.h | 117 ++
include/linux/fs.h | 2 +
include/linux/unicode.h | 30 +
35 files changed, 9591 insertions(+), 59 deletions(-)
create mode 100644 fs/unicode/.gitignore
create mode 100644 fs/unicode/Kconfig
create mode 100644 fs/unicode/Makefile
create mode 100644 fs/unicode/README.utf8data
create mode 100644 fs/unicode/mkutf8data.c
create mode 100644 fs/unicode/utf8-core.c
create mode 100644 fs/unicode/utf8-norm.c
create mode 100644 fs/unicode/utf8-selftest.c
create mode 100644 fs/unicode/utf8data.h_shipped
create mode 100644 fs/unicode/utf8n.h
create mode 100644 include/linux/unicode.h