ext4 bug fixes for 3.20-rc1

The following changes since commit 3b421b80be635d696848b72d3c7700a0e5ee3414:

Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (2015-01-06 14:05:40 -0800)

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 6f30b7e37a8239f9d27db626a1d3427bc7951908:

ext4: fix indirect punch hole corruption (2015-02-14 20:08:51 -0500)

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Ext4 bug fixes for 3.20. We also reserved code points for encryption and read-only images (for which the implementation is mostly just the reserved code point for a read-only feature :-)

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Darrick J. Wong (2):
jbd2: complain about descriptor block checksum errors
ext4: support read-only images

Eric Sandeen (2):
ext4: remove duplicate remount check for JOURNAL_CHECKSUM change
ext4: ignore journal checksum on remount; don't fail

Jan Mrazek (1):
ext4: change to use setup_timer() instead of init_timer()

Omar Sandoval (1):
ext4: fix indirect punch hole corruption

Theodore Ts'o (1):
ext4: reserve codepoints used by the ext4 encryption feature

Xiaoguang Wang (1):
ext4: fix mmap data corruption in nodelalloc mode when blocksize < pagesize

 fs/ext4/ext4.h     |  18 ++++++++---
 fs/ext4/indirect.c | 105 +++++++++++++++++++++++++++++++++++++++++--------------------
 fs/ext4/inode.c    |   7 +++++
 fs/ext4/super.c    |  31 ++++++++----------
 fs/jbd2/recovery.c |   3 ++
 5 files changed, 108 insertions(+), 56 deletions(-)