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Date: Fri, 05 Oct 2012 14:54:53 -0400
From: Theodore Ts'o <tytso@....edu>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: ext4 updates for v3.7
The following changes since commit 89a4e48f8479f8145eca9698f39fe188c982212f:
ext4: fix kernel BUG on large-scale rm -rf commands (2012-08-17 09:42:17 -0400)
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 c278531d39f3158bfee93dc67da0b77e09776de2:
ext4: fix ext4_flush_completed_IO wait semantics (2012-10-05 11:31:55 -0400)
----------------------------------------------------------------
The big new feature added this time is supporting online resizing
using the meta_bg feature. This allows us to resize file systems
which are greater than 16TB. In addition, the speed of online
resizing has been improved in general.
We also fix a number of races, some of which could lead to deadlocks,
in ext4's Asynchronous I/O and online defrag support, thanks to good
work by Dmitry Monakhov.
There are also a large number of more minor bug fixes and cleanups
from a number of other ext4 contributors, quite of few of which have
submitted fixes for the first time.
----------------------------------------------------------------
Anatol Pomozov (3):
ext4: realign trace events structs to make it smaller
ext4: add missing space to trace message
ext4: make orphan functions be no-op in no-journal mode
Andrey Sidorov (1):
ext4: speed up truncate/unlink by not using bforget() unless needed
Ashish Sangwan (1):
ext4: no need to add inode to orphan list during hole punch
Bernd Schubert (1):
ext4: always set i_op in ext4_mknod()
Carlos Maiolino (2):
ext4: fix possible non-initialized variable in htree_dirblock_to_tree()
ext4: ext4_bread usage audit
Djalal Harouni (1):
ext4: release donor reference when EXT4_IOC_MOVE_EXT ioctl fails
Dmitry Monakhov (16):
ext4: fix double unlock buffer mess during fs-resize
ext4: move_extent code cleanup
ext4: online defrag is not supported for journaled files
ext4: clean up online defrag bugs in move_extent_per_page()
ext4: reimplement uninit extent optimization for move_extent_per_page()
ext4: ext4_inode_info diet
ext4: give i_aiodio_unwritten a more appropriate name
ext4: fix unwritten counter leakage
ext4: completed_io locking cleanup
ext4: serialize dio nonlocked reads with defrag workers
ext4: serialize unlocked dio reads with truncate
ext4: endless truncate due to nonlocked dio readers
ext4: serialize truncate with owerwrite DIO workers
ext4: punch_hole should wait for DIO writers
ext4: fix ext_remove_space for punch_hole case
ext4: fix ext4_flush_completed_IO wait semantics
Eric Sandeen (2):
jbd2: don't write superblock when if its empty
ext4: don't clear orphan list on ro mount with errors
Herton Ronaldo Krzesinski (1):
ext4: fix crash when accessing /proc/mounts concurrently
Jan Kara (2):
ext4: fix fdatasync() for files with only i_size changes
jbd2: fix assertion failure in commit code due to lacking transaction credits
Lukas Czerner (2):
ext4: remove unused function ext4_ext_check_cache
ext4: enable FITRIM ioctl on bigalloc file system
Robin Dong (2):
ext4: remove unused macro MB_DEFAULT_MAX_GROUPS_TO_SCAN
ext4: remove unused function argument 'order' in mb_find_extent()
Sachin Kamat (1):
ext4: replace plain integer with NULL in super.c
Tao Ma (2):
ext4: remove erroneous ext4_superblock_csum_set() in update_backups()
ext4: don't call update_backups() multiple times for the same bg
Theodore Ts'o (19):
ext4: collapse a single extent tree block into the inode if possible
ext4: don't load the block bitmap for block groups which have no space
ext4: add max_dir_size_kb mount option
jbd2: check return value of blkdev_issue_flush()
ext4: check return value of blkdev_issue_flush()
ext4: return an error if kset_create_and_add fails in ext4_init_fs()
ext4: drop lock_super()/unlock_super()
ext4: grow the s_flex_groups array as needed when resizing
ext4: grow the s_group_info array as needed
ext4: set bg_itable_unused when resizing
ext4: convert file system to meta_bg if needed during resizing
ext4: log a resize update to the console every 10 seconds
ext4: advertise the fact that the kernel supports meta_bg resizing
ext4: do not enable delalloc by default for ext2
ext4: re-enable -o discard functionality in no-journal mode
ext4: fix online resizing when the # of block groups is constant
ext4: fix potential deadlock in ext4_nonda_switch()
fs: reserve fallocate flag codepoint
ext4: fix mtime update in nodelalloc mode
Wang Sheng-Hui (2):
ext4: fix trivial typo in comment
ext4: remove redundant offset check in mext_check_arguments()
Wei Yongjun (2):
ext4: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
ext4: convert to use leXX_add_cpu()
Yongqiang Yang (7):
ext4: ignore last group w/o enough space when resizing instead of BUG'ing
ext4: report the original old blocks count in a debug message when resizing
ext4: don't copy non-existent gdt blocks when resizing
ext4: avoid duplicate writes of the backup bg descriptor blocks
ext4: add online resizing support for meta_bg and 64-bit file systems
ext4: check free block counters in ext4_mb_find_by_goal
ext4: check free inode count before allocating an inode
Zheng Liu (2):
ext4: make the zero-out chunk size tunable
ext4: remove duplicated declarations in inode.c
Documentation/ABI/testing/sysfs-fs-ext4 | 13 +++++
Documentation/filesystems/ext4.txt | 10 ++++
fs/buffer.c | 13 +++--
fs/ext4/ext4.h | 49 +++++++++++++---
fs/ext4/extents.c | 258 +++++++++++++++++++++++++++++++++++++++++++++++---------------------------------
fs/ext4/file.c | 6 +-
fs/ext4/fsync.c | 92 +++--------------------------
fs/ext4/ialloc.c | 9 +++
fs/ext4/indirect.c | 18 +++++-
fs/ext4/inode.c | 83 +++++++++++++-------------
fs/ext4/ioctl.c | 25 +-------
fs/ext4/mballoc.c | 129 ++++++++++++++++++++--------------------
fs/ext4/mballoc.h | 5 --
fs/ext4/move_extent.c | 520 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------------------------------------------------------
fs/ext4/namei.c | 105 +++++++++++++++++++++++++++------
fs/ext4/page-io.c | 176 +++++++++++++++++++++++++++++++++++++------------------
fs/ext4/resize.c | 432 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------
fs/ext4/super.c | 92 +++++++++++++++++++----------
fs/fs-writeback.c | 1 +
fs/jbd2/commit.c | 40 +++++++++----
fs/jbd2/journal.c | 5 ++
fs/jbd2/recovery.c | 7 ++-
fs/jbd2/transaction.c | 65 ++++++++++++++-------
fs/nilfs2/file.c | 1 +
include/linux/falloc.h | 1 +
include/trace/events/ext4.h | 242 +++++++++++++++++++++++++++++++++++++--------------------------------------
26 files changed, 1500 insertions(+), 897 deletions(-)
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