ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.70/2.5.70-mm2/ . A couple more locking mistakes in ext3 have been fixed. . There is some code here to make ext3's journalled-data mode work again. 2.4's data=journal code has horrid hacks to cope with MAP_SHARED pages. These did not survive the changes in the 2.5 writeback protocols. What I have done here is to actually properly journal these pages rather than treating them as ordered-mode data. This made things start to work again, and journalled data mode appears to be solid. It has only been tested with blocksize == PAGE_CACHE_SIZE, and is probably buggy with smaller blocks at this time. . There is a patch here which makes a fairly fundamental change to the way in which the kernel handles O_SYNC writes. Traditionally Linux has held the inode semaphore while waiting for the I/O to complete. And it writes _all_ the file's dirty data, regardless of how much data the write() caller wrote. The patch here arranges for the O_SYNC writer to only write the pages which he actually dirtied. And it moves the waiting for I/O completion outside the inode semaphore, so other writers can get in and submit their I/O. All this is designed to speed up the situation where multiple processes or threads are submitting O_SYNC writes to the same file. Databases. It speeds things up because the various writers can get more data into the disk queueing code, so it can optimise the seek distances. A few simple O_SYNC-based tests showed speedups from 50% to 400%, depending on the access patterns and the number of writing threads. The more threads the better. If the application uses fsync() this change will provide no benefit. This patch halves WimMark throughput. That is quite nonsensical. Changes since 2.5.70-mm1 linus.patch Latest -bk +coda-typo-fix.patch coda BUGfix +pccardd-suspend-fix.patch swsusp fix +resume-oops-fix.patch another swsusp fix +common-ioctl32.patch +ioctl32-cleanup-sparc64.patch +ioctl32-cleanup-x86_64.patch Consolidation of 32-bit ioctl compat code +export-mmu_cr4_features.patch export a missing symbol for DRM +visws-irq-update.patch visws fixes +lru_cache_add-check.patch debug check +fb-image-depth-fix.patch framebuffer fix +zoran_procfs-copy-user-fix.patch don't do memcpy() on user pointers. -ext3-journalled-data-assertion-fix.patch merged into other patches +write_one_page-cleanup.patch minor cleanups +deadline-hash-removal-fix.patch deadline elevator fix +as-hash-removal-fix.patch anticipatory scheduler fix +as-jumbo-patch-for-scsi.patch Lots of changes to address interoperation between the anticipatory scheduler and tagged-command-queueing disks. I wasn't supposed to release this one yet. Oh well. +cfq-hash-removal-fix.patch CFQ scheduler fix +blk-invert-watermarks.patch cleanup relative to per-queue-nr_requests.patch +print-build-options-on-oops.patch Print a line in the oops output which tells whether CONFIG_PREEMPT, CONFIG_SMP or CONFIG_DEBUG_PAGEALLOC are enabled. Might save the odd email iteration. -slab-scribble-negative.patch Dropped, lost interest, -journal_dirty_metadata-speedup.patch moved around +ext3-concurrent-block-inode-allocation-fix.patch ext3 inode allocator race fix +ext3-010-fix-journalled-data.patch resurrect ext3 data=journal +ext3-020-journal_dirty_metadata-speedup.patch small speedup to a fastpath. -lockfree-lookup_mnt.patch Dropped. Just about all the speedup came from the simpler vfsmount_lock.patch, so we'll run with that. +writev-retval-fix.patch Fix writev behaviour when some segments generate EFAULT. +O_SYNC-speedup.patch Move O_SYNC and IS_SYNC waits outside inode->i_sem. +isdn-typo-fix.patch Fix some isdn bug. All 150 patches linus.patch mm.patch add -mmN to EXTRAVERSION coda-typo-fix.patch fix typo in coda sysenter-nmi-fix-2.patch fix bad pointer access in nmi kgdb-ga.patch kgdb stub for ia32 (George Anzinger's one) kmalloc_percpu-interface-change.patch kmalloc_percpu: interface change. kmalloc_percpu-interface-change-warning-fix.patch nail a warning DEFINE_PERCPU-in-modules.patch per-cpu support inside modules (minimal) slab-magazine-layer.patch magazine layer for slab slabinfo-rework.patch new statistics for slab aio-random-cleanups.patch config_spinline.patch uninline spinlocks for profiling accuracy. ppc64-ioctl-pci-update.patch From: Anton Blanchard <anton@samba.org> Subject: ppc64 stuff ppc64-reloc_hide.patch sym-do-160.patch make the SYM driver do 160 MB/sec irqreturn-snd-via-fix.patch via sound irqreturn fix irq_cpustat-cleanup.patch irq_cpustat cleanup config-PAGE_OFFSET.patch Configurable kenrel/user memory split irq-check-rate-limit.patch IRQs: handle bad return values from handlers irq_desc-others.patch Fix up irq_desc initialisation for non-ia32 pccardd-suspend-fix.patch Fix suspend with pccardd running resume-oops-fix.patch fix oops on resume from apm bios initiated suspend common-ioctl32.patch From: Pavel Machek <pavel@suse.cz> Subject: Re: must-fix list, v5 ioctl32-cleanup-sparc64.patch ioctl32 cleanup: sparc64 ioctl32-cleanup-x86_64.patch ioctl32 cleanup: sparc64 export-mmu_cr4_features.patch export mmu_cr4_features to modules visws-irq-update.patch [VISWS] irqreturn_t conversion lru_cache_add-check.patch lru_cache_add debug check fb-image-depth-fix.patch fbdev image depth fix zoran_procfs-copy-user-fix.patch zoran user-pointer fix buffer-debug.patch buffer.c debugging irq_balance-fix-2.patch irq balance logic fix VM_RESERVED-check.patch VM_RESERVED check rcu-stats.patch RCU statistics reporting ide_setting_sem-fix.patch reslabify-pgds-and-pmds.patch re-slabify i386 pgd's and pmd's i2o-leak-comment.patch i2o memleak comment raid5-use-right-dev-fix.patch raid5 fix linux-isp.patch isp-update-1.patch list_del-debug.patch list_del debug check airo-schedule-fix.patch airo.c: don't sleep in atomic regions synaptics-mouse-support.patch Add Synaptics touchpad tweaking to psmouse driver write_one_page-cleanup.patch write_one_page() fixlets deadline-hash-removal-fix.patch DEADLINE: hash removal fix resurrect-batch_requests.patch bring back the batch_requests function kblockd.patch Create `kblockd' workqueue cfq-infrastructure.patch elevator-completion-api.patch elevator completion API as-iosched.patch anticipatory I/O scheduler as-proc-read-write.patch AS: pgbench improvement as-discrete-read-fifo-batches.patch AS: discrete read fifo batches as-sync-async.patch AS sync/async batches as-hash-removal-fix.patch AS: hash removal fix as-jumbo-patch-for-scsi.patch AS jumbo patch (for SCSI and TCQ) unplug-use-kblockd.patch Use kblockd for running request queues cfq-2.patch CFQ scheduler, #2 CFQ: update to rq-dyn API cfq-hash-removal-fix.patch CFQ: hash removal fix per-queue-nr_requests.patch per queue nr_requests blk-invert-watermarks.patch blk_congestion_wait threshold cleanup unmap-page-debugging.patch unmap unused pages for debugging CONFIG_DEBUG_PAGEALLOC-extras.patch From: Manfred Spraul <manfred@colorfullife.com> Subject: DEBUG_PAGEALLOC print-build-options-on-oops.patch print a few config options on oops fremap-all-mappings.patch Make all executable mappings be nonlinear sound-irq-hack.patch show_task-free-stack-fix.patch show_task() fix and cleanup put_task_struct-debug.patch ia32-mknod64.patch mknod64 for ia32 ext2-64-bit-special-inodes.patch ext2: support for 64-bit device nodes ext3-64-bit-special-inodes.patch ext3: support for 64-bit device nodes 64-bit-dev_t-kdev_t.patch 64-bit dev_t and kdev_t oops-dump-preceding-code.patch i386 oops output: dump preceding code lockmeter.patch unlink-speedup-speedup.patch speedp the unlink speedup time-interpolation-infrastructure.patch improved core support for time-interpolation thread-info-in-task_struct.patch allow thread_info to be allocated as part of task_struct reinstate-task-freeing-hack-for-ia64.patch reinstate lame task_struct (non)-refcounting hack/fix remove-fcntl-check.patch Remove unneeded fcntl check ext3-no-bkl.patch journal_get_write_access-speedup.patch ext3-concurrent-block-inode-allocation.patch Subject: [PATCH] concurrent block/inode allocation for EXT3 ext3-orlov-approx-counter-fix.patch Fix orlov allocator boundary case ext3-concurrent-block-allocation-fix-1.patch ext3-concurrent-block-allocation-hashed.patch Subject: Re: [PATCH] concurrent block/inode allocation for EXT3 ext3-concurrent-block-inode-allocation-fix.patch fix ext3 inode allocator race jbd-010-b_committed_data-race-fix.patch Subject: Re: [Ext2-devel] [RFC] probably bug in current ext3/jbd jbd-020-locking-schema.patch plan JBD locking schema jbd-030-remove-splice_lock.patch remove jh_splice_lock jbd-040-journal_add_journal_head-locking.patch fine-grain journal_add_journal_head locking jbd-045-rename-journal_unlock_journal_head.patch rename journal_unlock_journal_head to journal_put_journal_head jbd-050-b_frozen_data-locking.patch Finish protection of journal_head.b_frozen_data jbd-060-b_committed_data-locking.patch jbd-070-b_transaction-locking.patch implement b_transaction locking rules jbd-080-b_next_transaction-locking.patch Implement b_next_transaction locking rules jbd-090-b_tnext-locking.patch b_tnext locking jbd-100-remove-journal_datalist_lock.patch remove journal_datalist_lock jbd-110-t_nr_buffers-locking.patch t_nr_buffers locking jbd-120-t_updates-locking.patch t_updates locking jbd-130-t_outstanding_credits-locking.patch implement t_outstanding_credits locking jbd-140-t_jcb-locking.patch implement t_jcb locking jbd-150-j_barrier_count-locking.patch implement j_barrier_count locking jbd-160-j_running_transaction-locking.patch implement j_running_transaction locking jbd-170-j_committing_transaction-locking.patch implement j_committing_transaction locking jbd-180-j_checkpoint_transactions.patch implement j_checkpoint_transactions locking jbd-190-j_head-locking.patch implement journal->j_head locking jbd-200-j_tail-locking.patch implement journal->j_tail locking jbd-210-j_free-locking.patch implement journal->j_free locking jbd-220-j_commit_sequence-locking.patch implement journal->j_commit_sequence locking jbd-230-j_commit_request-locking.patch implement j_commit_request locking jbd-240-dual-revoke-tables.patch implement dual revoke tables. jbd-250-remove-sleep_on.patch remove remaining sleep_on()s jbd-300-remove-lock_kernel-journal_c.patch remove lock_kernel() calls from journal.c jbd-310-remove-lock_kernel-transaction_c.patch remove lock_kernel calls from transaction.c jbd-400-remove-lock_journal-checkpoint_c.patch remove lock_journal calls from checkpoint.c jbd-410-remove-lock_journal-commit_c.patch remove lock_journal() from commit.c jbd-420-remove-lock_journal-journal_c.patch remove lock_journal() calls from journal.c jbd-430-remove-lock_journal-transaction_c.patch remove lock_journal() calls from transaction.c jbd-440-remove-lock_journal.patch remove lock_journal() jbd-510-h_credits-fix.patch journal_release_buffer: handle credits fix jbd-520-journal_unmap_buffer-race.patch journal_unmap_buffer race fix jbd-530-walk_page_buffers-race-fix.patch ext3_writepage race fix jbd-540-journal_try_to_free_buffers-race-fix.patch buffer freeing non-race comment jbd-550-locking-checks.patch add some locking assertions jbd-560-transaction-leak-fix.patch transaction leak and race fix jbd-570-transaction-state-locking.patch additional transaction shutdown locking ext3-010-fix-journalled-data.patch Remove incorrect assertion from ext3 ext3-020-journal_dirty_metadata-speedup.patch invalidate_mmap_range.patch Interface to invalidate regions of mmaps unregister_netdev-cleanup.patch aio-01-retry.patch AIO: Core retry infrastructure aio-02-lockpage_wq.patch AIO: Async page wait aio-03-fs_read.patch AIO: Filesystem aio read aio-04-buffer_wq.patch AIO: Async buffer wait aio-05-fs_write.patch AIO: Filesystem aio write aio-05-fs_write-fix.patch aio-06-bread_wq.patch AIO: Async block read aio-06-bread_wq-fix.patch aio-07-ext2getblk_wq.patch AIO: Async get block for ext2 aio-poll.patch aio_poll aio-poll: don't put extern decls in .c! 64-bit-pci_alloc_consistent.patch support 64 bit pci_alloc_consistent vfsmount_lock.patch From: Maneesh Soni <maneesh@in.ibm.com> Subject: [patch 1/2] vfsmount_lock proc-kcore-rework.patch /proc/kcore fixes syncppp-locking-fix.patch syncppp locking fix s390-dirty-bit-cleaning.patch dirty bit clearing on s390. min_free_kbytes.patch /proc/sys/vm/min_free_kbytes svcsock-use-after-free-fix.patch svsock use-after-free fix sched-hot-balancing-fix.patch fix for CPU scheduler load distribution writev-retval-fix.patch Fix writev when a segment generates EFAULT O_SYNC-speedup.patch speed up O_SYNC writes isdn-typo-fix.patch Fixes trivial error in drivers/isdn/hardware/eicon/divamnt.c