[GIT PULL] ext4 update for 2.6.40

[Ted Ts'o]

GIT PULL, even.   :-)

-- Ted

On Thu, May 26, 2011 at 10:49:11AM -0400, Theodore Ts'o wrote:
> Hi Linus,
> 
> Please pull from:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git for_linus
> 
> to get the following updates for 2.6.40.
> 
> Thanks!!
> 
> 						- Ted
> 
> commits a6360dd37e..d183e11a4a:
> 
> Aditya Kali (1):
>       ext4: reserve inodes and feature code for 'quota' feature
> 
> Allison Henderson (7):
>       ext4: don't dereference null pointer when make_indexed_dir() fails
>       ext4: ext4_ext_convert_to_initialized bug found in extended FSX testing
>       ext4: add flag to ext4_has_free_blocks
>       ext4: add new function ext4_block_zero_page_range()
>       ext4: punch out extents
>       ext4: add "punch hole" flag to ext4_map_blocks()
>       ext4: enable "punch hole" functionality
> 
> Amerigo Wang (1):
>       ext4: remove redundant #ifdef in super.c
> 
> Amir Goldstein (6):
>       ext4: move ext4_add_groupblocks() to mballoc.c
>       ext4: implement ext4_add_groupblocks() by freeing blocks
>       ext4: synchronize ext4_mb_init_group() with buddy page lock
>       ext4: teach ext4_mb_init_cache() to skip uptodate buddy caches
>       ext4: remove alloc_semp
>       ext4: fix oops in ext4_quota_off()
> 
> Curt Wohlgemuth (1):
>       ext4: don't set PageUptodate in ext4_end_bio()
> 
> Darrick J. Wong (2):
>       ext4: clean up some wait_on_page_writeback calls
>       ext4: wait for writeback to complete while making pages writable
> 
> Ding Dinghua (1):
>       jbd2: fix a potential leak of a journal_head on an error path
> 
> Eric Gouriou (1):
>       ext4: fix unbalanced up_write() in ext4_ext_truncate() error path
> 
> Eryu Guan (1):
>       jbd2: Fix comment to match the code in jbd2__journal_start()
> 
> Jan Kara (7):
>       ext4: Fix fs corruption when make_indexed_dir() fails
>       ext4: fix deadlock in ext4_symlink() in ENOSPC conditions
>       jbd2: Fix forever sleeping process in do_get_write_access()
>       jbd2: fix sending of data flush on journal commit
>       jbd2: Add function jbd2_trans_will_send_data_barrier()
>       ext4: fix waiting and sending of a barrier in ext4_sync_file()
>       ext4: Convert ext4 to new truncate calling convention
> 
> Johann Lombardi (1):
>       ext4: add support for multiple mount protection
> 
> Kazuya Mio (1):
>       ext4: ensure f_bfree returned by ext4_statfs() is non-negative
> 
> Lukas Czerner (6):
>       ext4: Use schedule_timeout_interruptible() for waiting in lazyinit thread
>       ext4: Remove unnecessary wait_event ext4_run_lazyinit_thread()
>       ext4: fix the mount option "init_itable=n" to work as expected for n=0
>       ext4: fix possible use-after-free in ext4_remove_li_request()
>       ext4: only load buddy bitmap in ext4_trim_fs() when it is needed
>       ext4: protect bb_first_free in ext4_trim_all_free() with group lock
> 
> Shaohua Li (1):
>       ext4: remove dead code in ext4_has_free_blocks()
> 
> Tao Ma (5):
>       ext4: use EXT4FS_DEBUG instead of EXT4_DEBUG in fsync.c
>       ext4: use s_inodes_per_block directly in __ext4_get_inode_loc
>       ext4: remove redundant check for first_not_zeroed in ext4_register_li_request
>       ext4: don't warn about mnt_count if it has been disabled
>       jbd2: Fix the wrong calculation of t_max_wait in update_t_max_wait
> 
> Theodore Ts'o (10):
>       ext4: check for ext[23] file system features when mounting as ext[23]
>       ext4: ignore errors when issuing discards
>       ext4: remove obsolete mount options from ext4's documentation
>       jbd2: fix fsync() tid wraparound bug
>       ext4: set extents flag when migrating file to use extents
>       jbd2: only print the debugging information for tid wraparound once
>       ext4: remove unneeded ext4_journal_get_undo_access
>       ext4: don't show mount options in /proc/mounts if there is no journal
>       ext4: use truncate_setsize() unconditionally
>       jbd2: Add MAINTAINERS entry
> 
> Vivek Haldar (2):
>       ext4: count hits/misses of extent cache and expose in sysfs
>       ext4: do not normalize block requests from fallocate()
> 
> Yang Ruirui (1):
>       ext4: release page cache in ext4_mb_load_buddy error path
> 
> Yongqiang Yang (6):
>       ext4: add a function merging extents right and left
>       ext4: add ext4_split_extent_at() and ext4_split_extent()
>       ext4: reimplement convert and split_unwritten
>       ext4: make ext4_split_extent() handle error correctly
>       ext4: fix ext4_ext_fiemap_cb() to handle blocks before request range correctly
>       ext4: teach ext4_ext_split to calculate extents efficiently
> 
>  Documentation/filesystems/ext4.txt |    4 -
>  MAINTAINERS                        |   13 +-
>  fs/ext4/Makefile                   |    3 +-
>  fs/ext4/balloc.c                   |  146 +----
>  fs/ext4/ext4.h                     |  127 +++-
>  fs/ext4/ext4_jbd2.c                |   14 -
>  fs/ext4/ext4_jbd2.h                |    5 -
>  fs/ext4/extents.c                  | 1412 ++++++++++++++++++++++--------------
>  fs/ext4/file.c                     |    1 -
>  fs/ext4/fsync.c                    |   25 +-
>  fs/ext4/inode.c                    |  114 +++-
>  fs/ext4/mballoc.c                  |  459 +++++++-----
>  fs/ext4/mballoc.h                  |    6 -
>  fs/ext4/migrate.c                  |    2 +-
>  fs/ext4/mmp.c                      |  351 +++++++++
>  fs/ext4/move_extent.c              |    3 +-
>  fs/ext4/namei.c                    |   82 ++-
>  fs/ext4/page-io.c                  |   39 +-
>  fs/ext4/super.c                    |  204 ++++--
>  fs/ext4/xattr.c                    |    4 +-
>  fs/jbd2/commit.c                   |   22 +-
>  fs/jbd2/journal.c                  |   58 ++-
>  fs/jbd2/transaction.c              |   22 +-
>  include/linux/jbd2.h               |    8 +-
>  24 files changed, 2020 insertions(+), 1104 deletions(-)
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