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    Subject[GIT PULL] ext4 updates for 3.11
    Date

    The following changes since commit c7788792a5e7b0d5d7f96d0766b4cb6112d47d75:

    Linux 3.10-rc2 (2013-05-20 14:37:38 -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 6ae06ff51eab5dcbbf959b05ce0f11003a305ba5:

    ext4: optimize starting extent in ext4_ext_rm_leaf() (2013-07-01 08:12:41 -0400)

    ----------------------------------------------------------------
    Lots of bug fixes, cleanups and optimizations. In the bug fixes
    category, of note is a fix for on-line resizing file systems where the
    block size is smaller than the page size (i.e., file systems 1k blocks
    on x86, or more interestingly file systems with 4k blocks on Power or
    ia64 systems.)

    In the cleanup category, the ext4's punch hole implementation was
    significantly improved by Lukas Czerner, and now supports bigalloc
    file systems. In addition, Jan Kara significantly cleaned up the
    write submission code path. We also improved error checking and added
    a few sanity checks.

    In the optimizations category, two major optimizations deserve
    mention. The first is that ext4_writepages() is now used for
    nodelalloc and ext3 compatibility mode. This allows writes to be
    submitted much more efficiently as a single bio request, instead of
    being sent as individual 4k writes into the block layer (which then
    relied on the elevator code to coalesce the requests in the block
    queue). Secondly, the extent cache shrink mechanism, which was
    introduce in 3.9, no longer has a scalability bottleneck caused by the
    i_es_lru spinlock. Other optimizations include some changes to reduce
    CPU usage and to avoid issuing empty commits unnecessarily.

    ----------------------------------------------------------------
    Al Viro (1):
    ext3,ext4: don't mess with dir_file->f_pos in htree_dirblock_to_tree()

    Alexey Khoroshilov (1):
    ext4: implement error handling of ext4_mb_new_preallocation()

    Ashish Sangwan (2):
    ext4: pass inode pointer instead of file pointer to punch hole
    ext4: optimize starting extent in ext4_ext_rm_leaf()

    Darrick J. Wong (1):
    jbd2: fix block tag checksum verification brokenness

    Dmitry Monakhov (3):
    jbd2: optimize jbd2_journal_force_commit
    ext4: fix data integrity for ext4_sync_fs
    ext4: Fix fsync error handling after filesystem abort

    Jan Kara (30):
    ext4: fix data offset overflow on 32-bit archs in ext4_inline_data_fiemap()
    ext4: fix overflows in SEEK_HOLE, SEEK_DATA implementations
    ext4: fix data offset overflow in ext4_xattr_fiemap() on 32-bit archs
    ext4: fix overflow when counting used blocks on 32-bit architectures
    ext4: use io_end for multiple bios
    jbd2: don't create journal_head for temporary journal buffers
    jbd2: remove journal_head from descriptor buffers
    jbd2: refine waiting for shadow buffers
    jbd2: remove outdated comment
    jbd2: cleanup needed free block estimates when starting a transaction
    jbd2: fix race in t_outstanding_credits update in jbd2_journal_extend()
    jbd2: remove unused waitqueues
    jbd2: transaction reservation support
    ext4: provide wrappers for transaction reservation calls
    ext4: stop messing with nr_to_write in ext4_da_writepages()
    ext4: deprecate max_writeback_mb_bump sysfs attribute
    ext4: improve writepage credit estimate for files with indirect blocks
    ext4: better estimate credits needed for ext4_da_writepages()
    ext4: restructure writeback path
    ext4: remove buffer_uninit handling
    ext4: use transaction reservation for extent conversion in ext4_end_io
    ext4: split extent conversion lists to reserved & unreserved parts
    ext4: defer clearing of PageWriteback after extent conversion
    ext4: protect extent conversion after DIO with i_dio_count
    ext4: remove wait for unwritten extent conversion from ext4_truncate()
    ext4: use generic_file_fsync() in ext4_file_fsync() in nojournal mode
    ext4: remove i_mutex from ext4_file_sync()
    ext4: Remove wait for unwritten extents in ext4_ind_direct_IO()
    ext4: don't wait for extent conversion in ext4_punch_hole()
    ext4: remove ext4_ioend_wait()

    Jie Liu (1):
    ext4: return FIEMAP_EXTENT_UNKNOWN for delalloc extents

    Joe Perches (1):
    ext4: reduce object size when !CONFIG_PRINTK

    Jon Ernst (1):
    ext4: delete unused variables

    Lukas Czerner (20):
    mm: change invalidatepage prototype to accept length
    jbd2: change jbd2_journal_invalidatepage to accept length
    ext4: use ->invalidatepage() length argument
    jbd: change journal_invalidatepage() to accept length
    xfs: use ->invalidatepage() length argument
    ocfs2: use ->invalidatepage() length argument
    ceph: use ->invalidatepage() length argument
    gfs2: use ->invalidatepage() length argument
    reiserfs: use ->invalidatepage() length argument
    mm: teach truncate_inode_pages_range() to handle non page aligned ranges
    Revert "ext4: remove no longer used functions in inode.c"
    ext4: Call ext4_jbd2_file_inode() after zeroing block
    Revert "ext4: fix fsx truncate failure"
    ext4: truncate_inode_pages() in orphan cleanup path
    ext4: use ext4_zero_partial_blocks in punch_hole
    ext4: remove unused discard_partial_page_buffers
    ext4: remove unused code from ext4_remove_blocks()
    ext4: update ext4_ext_remove_space trace point
    ext4: make punch hole code path work with bigalloc
    ext4: only zero partial blocks in ext4_zero_partial_blocks()

    Maarten ter Huurne (1):
    ext4: fix corruption when online resizing a fs with 1K block size

    Paul Gortmaker (6):
    jbd2: relocate assert after state lock in journal_commit_transaction()
    jbd2: drop checkpoint mutex when waiting in __jbd2_log_wait_for_space()
    jbd2: fix duplicate debug label for phase 2
    jbd/jbd2: relocate bit_spinlock header to jbd_common
    jbd2: use a single printk for jbd_debug()
    jbd2: remove debug dependency on debug_fs and update Kconfig help text

    Paul Taysom (1):
    ext4: suppress ext4 orphan messages on mount

    Theodore Ts'o (13):
    ext4: add check to io_submit_init_bio
    ext4: verify group number in verify_group_input() before using it
    ext4: add sanity check to ext4_get_group_info()
    ext4: optimize test_root()
    ext4: use ext4_da_writepages() for all modes
    ext4: add cond_resched() to ext4_free_blocks() & ext4_mb_regular_allocator()
    ext4: don't use EXT4_FREE_BLOCKS_FORGET unnecessarily
    jbd2: move superblock checksum calculation to jbd2_write_superblock()
    ext4: check error return from ext4_write_inline_data_end()
    jbd2: fix theoretical race in jbd2__journal_restart
    ext4: fix up error handling for mpage_map_and_submit_extent()
    ext4: translate flag bits to strings in tracepoints
    jbd2: invalidate handle if jbd2_journal_restart() fails

    Zheng Liu (2):
    jbd2: use kmem_cache_zalloc for allocating journal head
    ext4: improve extent cache shrink mechanism to avoid to burn CPU time

    boxi liu (1):
    ext4: improve free space calculation for inline_data

    jon ernst (1):
    ext4: delete unnecessary C statements

    Documentation/filesystems/Locking | 6 +-
    Documentation/filesystems/vfs.txt | 20 +-
    fs/9p/vfs_addr.c | 5 +-
    fs/afs/file.c | 10 +-
    fs/btrfs/disk-io.c | 3 +-
    fs/btrfs/extent_io.c | 2 +-
    fs/btrfs/inode.c | 3 +-
    fs/buffer.c | 21 +-
    fs/ceph/addr.c | 15 +-
    fs/cifs/file.c | 5 +-
    fs/exofs/inode.c | 6 +-
    fs/ext3/inode.c | 9 +-
    fs/ext3/namei.c | 7 +-
    fs/ext4/balloc.c | 14 +-
    fs/ext4/ext4.h | 187 ++++---
    fs/ext4/ext4_jbd2.c | 58 ++-
    fs/ext4/ext4_jbd2.h | 29 +-
    fs/ext4/extents.c | 193 +++++---
    fs/ext4/extents_status.c | 75 ++-
    fs/ext4/extents_status.h | 5 +-
    fs/ext4/file.c | 14 +-
    fs/ext4/fsync.c | 52 +-
    fs/ext4/ialloc.c | 3 +-
    fs/ext4/indirect.c | 40 +-
    fs/ext4/inline.c | 4 +-
    fs/ext4/inode.c | 1775 ++++++++++++++++++++++++++++++------------------------------------
    fs/ext4/mballoc.c | 21 +-
    fs/ext4/move_extent.c | 3 -
    fs/ext4/namei.c | 7 +-
    fs/ext4/page-io.c | 325 ++++++------
    fs/ext4/resize.c | 24 +-
    fs/ext4/super.c | 155 ++++--
    fs/f2fs/data.c | 3 +-
    fs/f2fs/node.c | 3 +-
    fs/gfs2/aops.c | 17 +-
    fs/jbd/transaction.c | 19 +-
    fs/jbd2/Kconfig | 6 +-
    fs/jbd2/checkpoint.c | 22 +-
    fs/jbd2/commit.c | 184 +++----
    fs/jbd2/journal.c | 166 ++++---
    fs/jbd2/recovery.c | 11 +-
    fs/jbd2/revoke.c | 49 +-
    fs/jbd2/transaction.c | 526 ++++++++++++--------
    fs/jfs/jfs_metapage.c | 5 +-
    fs/logfs/file.c | 3 +-
    fs/logfs/segment.c | 3 +-
    fs/nfs/file.c | 8 +-
    fs/ntfs/aops.c | 2 +-
    fs/ocfs2/aops.c | 5 +-
    fs/reiserfs/inode.c | 12 +-
    fs/ubifs/file.c | 5 +-
    fs/xfs/xfs_aops.c | 14 +-
    fs/xfs/xfs_trace.h | 15 +-
    include/linux/buffer_head.h | 3 +-
    include/linux/fs.h | 2 +-
    include/linux/jbd.h | 28 +-
    include/linux/jbd2.h | 175 ++++---
    include/linux/jbd_common.h | 26 +-
    include/linux/mm.h | 3 +-
    include/trace/events/ext3.h | 12 +-
    include/trace/events/ext4.h | 304 ++++++++----
    mm/readahead.c | 2 +-
    mm/truncate.c | 117 +++--
    63 files changed, 2664 insertions(+), 2182 deletions(-)


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