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Subject[GIT PULL] ext4 changes for 4.2-rc1
The following changes since commit e26081808edadfd257c6c9d81014e3b25e9a6118:

Linux 4.1-rc4 (2015-05-18 10:13:47 -0700)

are available in the git repository at:

git:// tags/ext4_for_linus

for you to fetch changes up to a2fd66d069d86d793e9d39d4079b96f46d13f237:

ext4: set lazytime on remount if MS_LAZYTIME is set by mount (2015-06-23 11:03:54 -0400)

A very large number of cleanups and bug fixes --- in particular for
the ext4 encryption patches, which is a new feature added in the last
merge window. Also fix a number of long-standing xfstest failures.
(Quota writes failing due to ENOSPC, a race between truncate and
writepage in data=journalled mode that was causing generic/068 to
fail, and other corner cases.)

Also add support for FALLOC_FL_INSERT_RANGE, and improve jbd2
performance eliminating locking when a buffer is modified more than
once during a transaction (which is very common for allocation
bitmaps, for example), in which case the state of the journalled
buffer head doesn't need to change.

Andreas Dilger (1):
ext4: improve warning directory handling messages

Chao Yu (1):
ext4 crypto: release crypto resource on module exit

Darrick J. Wong (1):
ext4: don't retry file block mapping on bigalloc fs with non-extent file

David Moore (1):
ext4: BUG_ON assertion repeated for inode1, not done for inode2

Dmitry Monakhov (1):
jbd2: use GFP_NOFS in jbd2_cleanup_journal_tail()

Eric Whitney (2):
ext4: minor cleanup of ext4_da_reserve_space()
ext4: make online defrag error reporting consistent

Fabian Frederick (3):
ext4 crypto: fix sparse warnings in fs/ext4/ioctl.c
ext4: use swap() in memswap()
ext4: use swap() in mext_page_double_lock()

Jan Kara (5):
jbd2: simplify code flow in do_get_write_access()
jbd2: simplify error path on allocation failure in do_get_write_access()
jbd2: more simplifications in do_get_write_access()
jbd2: speedup jbd2_journal_get_[write|undo]_access()
jbd2: speedup jbd2_journal_dirty_metadata()

Josef Bacik (1):
ext4: only call ext4_truncate when size <= isize

Joseph Qi (1):
jbd2: fix ocfs2 corrupt when updating journal superblock fails

Lukas Czerner (5):
ext4: verify block bitmap even after fresh initialization
ext4: try to initialize all groups we can in case of failure on ppc64
ext4: return error code from ext4_mb_good_group()
ext4: recalculate journal credits as inode depth changes
ext4: wait for existing dio workers in ext4_alloc_file_blocks()

Michal Hocko (2):
jbd2: revert must-not-fail allocation loops back to GFP_NOFAIL
jbd2: get rid of open coded allocation retry loop

Namjae Jeon (1):
ext4: Add support FALLOC_FL_INSERT_RANGE for fallocate

Rasmus Villemoes (1):
ext4: mballoc: avoid 20-argument function call

Theodore Ts'o (26):
ext4 crypto: optimize filename encryption
ext4 crypto: don't allocate a page when encrypting/decrypting file names
ext4 crypto: separate kernel and userspace structure for the key
ext4 crypto: reorganize how we store keys in the inode
ext4: clean up superblock encryption mode fields
ext4 crypto: use slab caches
ext4 crypto: get rid of ci_mode from struct ext4_crypt_info
ext4 crypto: shrink size of the ext4_crypto_ctx structure
ext4 crypto: require CONFIG_CRYPTO_CTR if ext4 encryption is enabled
ext4 crypto: use per-inode tfm structure
ext4 crypto: fix memory leaks in ext4_encrypted_zeroout
ext4 crypto: set up encryption info for new inodes in ext4_inherit_context()
ext4 crypto: make sure the encryption info is initialized on opendir(2)
ext4 crypto: encrypt tmpfile located in encryption protected directory
ext4 crypto: enforce crypto policy restrictions on cross-renames
ext4 crypto: policies may only be set on directories
ext4 crypto: clean up error handling in ext4_fname_setup_filename
ext4 crypto: allocate the right amount of memory for the on-disk symlink
ext4 crypto: handle unexpected lack of encryption keys
ext4 crypto: allocate bounce pages using GFP_NOWAIT
ext4 crypto: fix ext4_get_crypto_ctx()'s calling convention in ext4_decrypt_one
ext4 crypto: fail the mount if blocksize != pagesize
ext4: fix race between truncate and __ext4_journalled_writepage()
ext4: call sync_blockdev() before invalidate_bdev() in put_super()
ext4: prevent ext4_quota_write() from failing due to ENOSPC
ext4: set lazytime on remount if MS_LAZYTIME is set by mount

fs/ext4/Kconfig | 1 +
fs/ext4/balloc.c | 4 +-
fs/ext4/crypto.c | 211 +++++++++------------------
fs/ext4/crypto_fname.c | 490 ++++++++++++++++-----------------------------------------------
fs/ext4/crypto_key.c | 152 ++++++++++++++++----
fs/ext4/crypto_policy.c | 87 +++++++-----
fs/ext4/dir.c | 29 ++--
fs/ext4/ext4.h | 159 ++++++++++++++-------
fs/ext4/ext4_crypto.h | 51 +++----
fs/ext4/extents.c | 339 +++++++++++++++++++++++++++++++++++++-------
fs/ext4/file.c | 19 +--
fs/ext4/ialloc.c | 45 +++---
fs/ext4/indirect.c | 4 +-
fs/ext4/inline.c | 31 ++--
fs/ext4/inode.c | 93 ++++++------
fs/ext4/ioctl.c | 11 +-
fs/ext4/mballoc.c | 43 ++++--
fs/ext4/move_extent.c | 19 +--
fs/ext4/namei.c | 542 ++++++++++++++++++++++++++++++----------------------------------------
fs/ext4/page-io.c | 2 +-
fs/ext4/readpage.c | 10 +-
fs/ext4/super.c | 60 ++++++--
fs/ext4/symlink.c | 16 +--
fs/jbd2/checkpoint.c | 7 +-
fs/jbd2/journal.c | 57 +++++---
fs/jbd2/revoke.c | 15 +-
fs/jbd2/transaction.c | 303 ++++++++++++++++++++++++---------------
include/linux/jbd2.h | 4 +-
include/trace/events/ext4.h | 35 ++++-
29 files changed, 1486 insertions(+), 1353 deletions(-)

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