- 06 Feb, 2014 8 commits
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KOSAKI Motohiro authored
During aio stress test, we observed the following lockdep warning. This mean AIO+numa_balancing is currently deadlockable. The problem is, aio_migratepage disable interrupt, but __set_page_dirty_nobuffers unintentionally enable it again. Generally, all helper function should use spin_lock_irqsave() instead of spin_lock_irq() because they don't know caller at all. other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&ctx->completion_lock)->rlock); <Interrupt> lock(&(&ctx->completion_lock)->rlock); *** DEADLOCK *** dump_stack+0x19/0x1b print_usage_bug+0x1f7/0x208 mark_lock+0x21d/0x2a0 mark_held_locks+0xb9/0x140 trace_hardirqs_on_caller+0x105/0x1d0 trace_hardirqs_on+0xd/0x10 _raw_spin_unlock_irq+0x2c/0x50 __set_page_dirty_nobuffers+0x8c/0xf0 migrate_page_copy+0x434/0x540 aio_migratepage+0xb1/0x140 move_to_new_page+0x7d/0x230 migrate_pages+0x5e5/0x700 migrate_misplaced_page+0xbc/0xf0 do_numa_page+0x102/0x190 handle_pte_fault+0x241/0x970 handle_mm_fault+0x265/0x370 __do_page_fault+0x172/0x5a0 do_page_fault+0x1a/0x70 page_fault+0x28/0x30 Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Larry Woodman <lwoodman@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <jweiner@redhat.com> Acked-by:
David Rientjes <rientjes@google.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Weijie Yang authored
swapoff clear swap_info's SWP_USED flag prematurely and free its resources after that. A concurrent swapon will reuse this swap_info while its previous resources are not cleared completely. These late freed resources are: - p->percpu_cluster - swap_cgroup_ctrl[type] - block_device setting - inode->i_flags &= ~S_SWAPFILE This patch clears the SWP_USED flag after all its resources are freed, so that swapon can reuse this swap_info by alloc_swap_info() safely. [akpm@linux-foundation.org: tidy up code comment] Signed-off-by:
Weijie Yang <weijie.yang@samsung.com> Acked-by:
Hugh Dickins <hughd@google.com> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Shaohua Li authored
This is a patch to improve swap readahead algorithm. It's from Hugh and I slightly changed it. Hugh's original changelog: swapin readahead does a blind readahead, whether or not the swapin is sequential. This may be ok on harddisk, because large reads have relatively small costs, and if the readahead pages are unneeded they can be reclaimed easily - though, what if their allocation forced reclaim of useful pages? But on SSD devices large reads are more expensive than small ones: if the readahead pages are unneeded, reading them in caused significant overhead. This patch adds very simplistic random read detection. Stealing the PageReadahead technique from Konstantin Khlebnikov's patch, avoiding the vma/anon_vma sophistications of Shaohua Li's patch, swapin_nr_pages() simply looks at readahead's current success rate, and narrows or widens its readahead window accordingly. There is little science to its heuristic: it's about as stupid as can be whilst remaining effective. The table below shows elapsed times (in centiseconds) when running a single repetitive swapping load across a 1000MB mapping in 900MB ram with 1GB swap (the harddisk tests had taken painfully too long when I used mem=500M, but SSD shows similar results for that). Vanilla is the 3.6-rc7 kernel on which I started; Shaohua denotes his Sep 3 patch in mmotm and linux-next; HughOld denotes my Oct 1 patch which Shaohua showed to be defective; HughNew this Nov 14 patch, with page_cluster as usual at default of 3 (8-page reads); HughPC4 this same patch with page_cluster 4 (16-page reads); HughPC0 with page_cluster 0 (1-page reads: no readahead). HDD for swapping to harddisk, SSD for swapping to VertexII SSD. Seq for sequential access to the mapping, cycling five times around; Rand for the same number of random touches. Anon for a MAP_PRIVATE anon mapping; Shmem for a MAP_SHARED anon mapping, equivalent to tmpfs. One weakness of Shaohua's vma/anon_vma approach was that it did not optimize Shmem: seen below. Konstantin's approach was perhaps mistuned, 50% slower on Seq: did not compete and is not shown below. HDD Vanilla Shaohua HughOld HughNew HughPC4 HughPC0 Seq Anon 73921 76210 75611 76904 78191 121542 Seq Shmem 73601 73176 73855 72947 74543 118322 Rand Anon 895392 831243 871569 845197 846496 841680 Rand Shmem 1058375 1053486 827935 764955 764376 756489 SSD Vanilla Shaohua HughOld HughNew HughPC4 HughPC0 Seq Anon 24634 24198 24673 25107 21614 70018 Seq Shmem 24959 24932 25052 25703 22030 69678 Rand Anon 43014 26146 28075 25989 26935 25901 Rand Shmem 45349 45215 28249 24268 24138 24332 These tests are, of course, two extremes of a very simple case: under heavier mixed loads I've not yet observed any consistent improvement or degradation, and wider testing would be welcome. Shaohua Li: Test shows Vanilla is slightly better in sequential workload than Hugh's patch. I observed with Hugh's patch sometimes the readahead size is shrinked too fast (from 8 to 1 immediately) in sequential workload if there is no hit. And in such case, continuing doing readahead is good actually. I don't prepare a sophisticated algorithm for the sequential workload because so far we can't guarantee sequential accessed pages are swap out sequentially. So I slightly change Hugh's heuristic - don't shrink readahead size too fast. Here is my test result (unit second, 3 runs average): Vanilla Hugh New Seq 356 370 360 Random 4525 2447 2444 Attached graph is the swapin/swapout throughput I collected with 'vmstat 2'. The first part is running a random workload (till around 1200 of the x-axis) and the second part is running a sequential workload. swapin and swapout throughput are almost identical in steady state in both workloads. These are expected behavior. while in Vanilla, swapin is much bigger than swapout especially in random workload (because wrong readahead). Original patches by: Shaohua Li and Konstantin Khlebnikov. [fengguang.wu@intel.com: swapin_nr_pages() can be static] Signed-off-by:
Hugh Dickins <hughd@google.com> Signed-off-by:
Shaohua Li <shli@fusionio.com> Signed-off-by:
Fengguang Wu <fengguang.wu@intel.com> Cc: Rik van Riel <riel@redhat.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Zongxun Wang authored
Even if using the same jbd2 handle, we cannot rollback a transaction. So once some error occurs after successfully allocating clusters, the allocated clusters will never be used and it means they are lost. For example, call ocfs2_claim_clusters successfully when expanding a file, but failed in ocfs2_insert_extent. So we need free the allocated clusters if they are not used indeed. Signed-off-by:
Zongxun Wang <wangzongxun@huawei.com> Signed-off-by:
Joseph Qi <joseph.qi@huawei.com> Acked-by:
Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Li Zefan <lizefan@huawei.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Randy Dunlap authored
Clean up descriptions of memmap= boot options. Add periods (full stops), drop commas, change "used" to "reserved" or "marked". Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Andiry Xu <andiry.xu@gmail.com> Acked-by:
David Rientjes <rientjes@google.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq updates from Thomas Gleixner: "This lot provides: * Bugfixes for armada irq controller * Updates to renesas irq chip * Support for the TI-NSPIRE irq controller Not strictly a bug fix only pull request, but important updates for some of the arm Socs which I completely forgot to send last week. Seems like my obliviousness is getting worse, I just can't remember when it started" * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: Add support for TI-NSPIRE irqchip irqchip: renesas-irqc: Enable mask on suspend irqchip: renesas-irqc: Use lazy disable irqchip: armada-370-xp: fix MSI race condition irqchip: armada-370-xp: fix IPI race condition
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull Xen fixes from Konrad Rzeszutek Wilk: "Bug-fixes: - Revert "xen/grant-table: Avoid m2p_override during mapping" as it broke Xen ARM build. - Fix CR4 not being set on AP processors in Xen PVH mode" * tag 'stable/for-linus-3.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pvh: set CR4 flags for APs Revert "xen/grant-table: Avoid m2p_override during mapping"
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linuxLinus Torvalds authored
Pull ia64 update from Tony Luck: "Wire up new sched_setattr and sched_getattr syscalls" * tag 'please-pull-ia64-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: [IA64] Wire up new sched_setattr and sched_getattr syscalls
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- 05 Feb, 2014 5 commits
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git://git.infradead.org/users/willy/linux-nvmeLinus Torvalds authored
Pull NVMe driver update from Matthew Wilcox: "Looks like I missed the merge window ... but these are almost all bugfixes anyway (the ones that aren't have been baking for months)" * git://git.infradead.org/users/willy/linux-nvme: NVMe: Namespace use after free on surprise removal NVMe: Correct uses of INIT_WORK NVMe: Include device and queue numbers in interrupt name NVMe: Add a pci_driver shutdown method NVMe: Disable admin queue on init failure NVMe: Dynamically allocate partition numbers NVMe: Async IO queue deletion NVMe: Surprise removal handling NVMe: Abort timed out commands NVMe: Schedule reset for failed controllers NVMe: Device resume error handling NVMe: Cache dev->pci_dev in a local pointer NVMe: Fix lockdep warnings NVMe: compat SG_IO ioctl NVMe: remove deprecated IRQF_DISABLED NVMe: Avoid shift operation when writing cq head doorbell
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulatorLinus Torvalds authored
Pull regulator fixes from Mark Brown: "A couple of driver fixes here but the main thing is a fix to the checks for deferred probe non-DT systems with fully specified regulators which had been broken by a device tree fix which meant that we wouldn't insert optional regulators. This had slipped through the cracks since very few systems do that in the first place and those that do it in mainline don't need optional regulators anyway" * tag 'regulator-v3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: s2mps11: Fix NULL pointer of_node value when using platform data regulator: core: Correct default return value for full constraints regulator: ab3100: cast fix
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto fixes from Herbert Xu: "This fixes a number of concurrency issues on s390 where multiple users of the same crypto transform may clobber each other's results" * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: s390 - fix des and des3_ede ctr concurrency issue crypto: s390 - fix des and des3_ede cbc concurrency issue crypto: s390 - fix concurrency issue in aes-ctr mode
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Ingo Molnar authored
It can take some time to validate the image, make sure {allyes|allmod}config doesn't enable it. I'd say randconfig will cover it often enough, and the failure is also borderline build coverage related: you cannot really make the decoder test fail via source level changes, only with changes in the build environment, so I agree with Andi that we can disable this one too. Signed-off-by:
Ingo Molnar <mingo@kernel.org> Acked-by: Paul Gortmaker paul.gortmaker@windriver.com> Suggested-and-acked-by: Andi Kleen andi@firstfloor.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
This changes 'do_execve()' to get the executable name as a 'struct filename', and to free it when it is done. This is what the normal users want, and it simplifies and streamlines their error handling. The controlled lifetime of the executable name also fixes a use-after-free problem with the trace_sched_process_exec tracepoint: the lifetime of the passed-in string for kernel users was not at all obvious, and the user-mode helper code used UMH_WAIT_EXEC to serialize the pathname allocation lifetime with the execve() having finished, which in turn meant that the trace point that happened after mm_release() of the old process VM ended up using already free'd memory. To solve the kernel string lifetime issue, this simply introduces "getname_kernel()" that works like the normal user-space getname() function, except with the source coming from kernel memory. As Oleg points out, this also means that we could drop the tcomm[] array from 'struct linux_binprm', since the pathname lifetime now covers setup_new_exec(). That would be a separate cleanup. Reported-by:
Igor Zhbanov <i.zhbanov@samsung.com> Tested-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 04 Feb, 2014 5 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "Filipe is fixing compile and boot problems with our crc32c rework, and Josef has disabled snapshot aware defrag for now. As the number of snapshots increases, we're hitting OOM. For the short term we're disabling things until a bigger fix is ready" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: use late_initcall instead of module_init Btrfs: use btrfs_crc32c everywhere instead of libcrc32c Btrfs: disable snapshot aware defrag for now
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client bugfixes from Trond Myklebust: "Highlights: - Fix NFSv3 acl regressions - Fix NFSv4 memory corruption due to slot table abuse in nfs4_proc_open_confirm - nfs4_destroy_session must call rpc_destroy_waitqueue" * tag 'nfs-for-3.14-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: fs: get_acl() must be allowed to return EOPNOTSUPP NFSv3: Fix return value of nfs3_proc_setacls NFSv3: Remove unused function nfs3_proc_set_default_acl NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue NFSv4: Fix memory corruption in nfs4_proc_open_confirm nfs: fix setting of ACLs on file creation.
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Linus Torvalds authored
It really isn't very interesting to have DEBUG_INFO when doing compile coverage stuff (you wouldn't want to run the result anyway, that's kind of the whole point of COMPILE_TEST), and it currently makes the build take longer and use much more disk space for "all{yes,mod}config". There's somewhat active discussion about this still, and we might end up with some new config option for things like this (Andi points out that the silly X86_DECODER_SELFTEST option also slows down the normal coverage tests hugely), but I'm starting the ball rolling with this simple one-liner. DEBUG_INFO isn't that noticeable if you have tons of memory and a good IO subsystem, but it hurts you a lot if you don't - for very little upside for the common use. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mark Brown authored
Merge remote-tracking branches 'regulator/fix/ab3100' and 'regulator/fix/s2mps11' into regulator-linus
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Mark Brown authored
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- 03 Feb, 2014 13 commits
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Trond Myklebust authored
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Trond Myklebust authored
posix_acl_xattr_get requires get_acl() to return EOPNOTSUPP if the filesystem cannot support acls. This is needed for NFS, which can't know whether or not the server supports acls until it tries to get/set one. This patch converts posix_acl_chmod and posix_acl_create to deal with EOPNOTSUPP return values from get_acl(). Reported-by:
Russell King <linux@arm.linux.org.uk> Link: http://lkml.kernel.org/r/20140130140834.GW15937@n2100.arm.linux.org.uk Cc: Al Viro viro@zeniv.linux.org.uk> Reviewed-by:
Christoph Hellwig <hch@lst.de> Tested-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Trond Myklebust <trond.myklebust@primarydata.com>
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Mukesh Rathor authored
During bootup in the 'probe_page_size_mask' these CR4 flags are set in there. But for AP processors they are not set as we do not use 'secondary_startup_64' which the baremetal kernels uses. Instead do it in this function which we use in Xen PVH during our startup for AP processors. As such fix it up to make sure we have that flag set. Signed-off-by:
Mukesh Rathor <mukesh.rathor@oracle.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Trond Myklebust authored
nfs3_proc_setacls is used internally by the NFSv3 create operations to set the acl after the file has been created. If the operation fails because the server doesn't support acls, then it must return '0', not -EOPNOTSUPP. Reported-by:
Russell King <linux@arm.linux.org.uk> Link: http://lkml.kernel.org/r/20140201010328.GI15937@n2100.arm.linux.org.uk Cc: Christoph Hellwig <hch@lst.de> Tested-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
Trond Myklebust <trond.myklebust@primarydata.com>
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Trond Myklebust authored
Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
Trond Myklebust <trond.myklebust@primarydata.com>
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Filipe David Borba Manana authored
It seems that when init_btrfs_fs() is called, crc32c/crc32c-intel might not always be already initialized, which results in the call to crypto_alloc_shash() returning -ENOENT, as experienced by Ahmet who reported this. Therefore make sure init_btrfs_fs() is called after crc32c is initialized (which is at initialization level 6, module_init), by using late_initcall (which is at initialization level 7) instead of module_init for btrfs. Reported-and-Tested-by:
Ahmet Inan <ainan@mathematik.uni-freiburg.de> Signed-off-by:
Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by:
Chris Mason <clm@fb.com>
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Filipe David Borba Manana authored
After the commit titled "Btrfs: fix btrfs boot when compiled as built-in", LIBCRC32C requirement was removed from btrfs' Kconfig. This made it not possible to build a kernel with btrfs enabled (either as module or built-in) if libcrc32c is not enabled as well. So just replace all uses of libcrc32c with the equivalent function in btrfs hash.h - btrfs_crc32c. Signed-off-by:
Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by:
Chris Mason <clm@fb.com>
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Josef Bacik authored
It's just broken and it's taking a lot of effort to fix it, so for now just disable it so people can defrag in peace. Thanks, Cc: stable@vger.kernel.org Signed-off-by:
Josef Bacik <jbacik@fb.com> Signed-off-by:
Chris Mason <clm@fb.com>
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Konrad Rzeszutek Wilk authored
This reverts commit 08ece5bb. As it breaks ARM builds and needs more attention on the ARM side. Acked-by:
David Vrabel <david.vrabel@citrix.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc updates from Helge Deller: "The three major changes in this patchset is a implementation for flexible userspace memory maps, cache-flushing fixes (again), and a long-discussed ABI change to make EWOULDBLOCK the same value as EAGAIN. parisc has been the only platform where we had EWOULDBLOCK != EAGAIN to keep HP-UX compatibility. Since we will probably never implement full HP-UX support, we prefer to drop this compatibility to make it easier for us with Linux userspace programs which mostly never checked for both values. We don't expect major fall-outs because of this change, and if we face some, we will simply rebuild the necessary applications in the debian archives" * 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: add flexible mmap memory layout support parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc parisc: convert uapi/asm/stat.h to use native types only parisc: wire up sched_setattr and sched_getattr parisc: fix cache-flushing parisc/sti_console: prefer Linux fonts over built-in ROM fonts
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Mikulas Patocka authored
HPFS needs to load 4 consecutive 512-byte sectors when accessing the directory nodes or bitmaps. We can't switch to 2048-byte block size because files are allocated in the units of 512-byte sectors. Previously, the driver would allocate a 2048-byte area using kmalloc, copy the data from four buffers to this area and eventually copy them back if they were modified. In the current implementation of the buffer cache, buffers are allocated in the pagecache. That means that 4 consecutive 512-byte buffers are stored in consecutive areas in the kernel address space. So, we don't need to allocate extra memory and copy the content of the buffers there. This patch optimizes the code to avoid copying the buffers. It checks if the four buffers are stored in contiguous memory - if they are not, it falls back to allocating a 2048-byte area and copying data there. Signed-off-by:
Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mikulas Patocka authored
Previously, hpfs scanned all bitmaps each time the user asked for free space using statfs. This patch changes it so that hpfs scans the bitmaps only once, remembes the free space and on next invocation of statfs it returns the value instantly. New versions of wine are hammering on the statfs syscall very heavily, making some games unplayable when they're stored on hpfs, with load times in minutes. This should be backported to the stable kernels because it fixes user-visible problem (excessive level load times in wine). Signed-off-by:
Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Cc: stable@vger.kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 02 Feb, 2014 9 commits
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Helge Deller authored
Add support for the flexible mmap memory layout (as described in http://lwn.net/Articles/91829). This is especially very interesting on parisc since we currently only support 32bit userspace (even with a 64bit Linux kernel). Signed-off-by:
Helge Deller <deller@gmx.de>
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Guy Martin authored
On Linux, only parisc uses a different value for EWOULDBLOCK which causes a lot of troubles for applications not checking for both values. Since the hpux compat is long dead, make EWOULDBLOCK behave the same as all other architectures. Signed-off-by:
Guy Martin <gmsoft@tuxicoman.be> Signed-off-by:
Helge Deller <deller@gmx.de>
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Helge Deller authored
The stat.h header file is exported to userspace. Some userspace applications failed to compile due to missing/unknown types, so we better convert it to use native types only (like it's done on other architectures too). Signed-off-by:
Helge Deller <deller@gmx.de>
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Helge Deller authored
Signed-off-by:
Helge Deller <deller@gmx.de>
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Helge Deller authored
This commit: f8dae006: parisc: Ensure full cache coherency for kmap/kunmap caused negative caching side-effects, e.g. hanging processes with expect and too many inequivalent alias messages from flush_dcache_page() on Debian 5 systems. This patch now partly reverts it and has been in production use on our debian buildd makeservers since a week without any major problems. Signed-off-by:
Helge Deller <deller@gmx.de> Signed-off-by:
John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v3.9+ Signed-off-by:
Helge Deller <deller@gmx.de>
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Helge Deller authored
The built-in ROM fonts lack many necessary ASCII characters, which is why it makes sens to prefer the Linux fonts instead if they are available. This makes consoles on STI graphics cards which are not supported by the stifb driver (e.g. Visualize FXe) looks much nicer. Signed-off-by:
Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v3.13
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
Pull hwmon kconfig fixes from Jean Delvare. * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors
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git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linuxLinus Torvalds authored
Pull SLAB changes from Pekka Enberg: "Random bug fixes that have accumulated in my inbox over the past few months" * 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux: mm: Fix warning on make htmldocs caused by slab.c mm: slub: work around unneeded lockdep warning mm: sl[uo]b: fix misleading comments slub: Fix possible format string bug. slub: use lockdep_assert_held slub: Fix calculation of cpu slabs slab.h: remove duplicate kmalloc declaration and fix kernel-doc warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linuxLinus Torvalds authored
Pull turbostat updates from Len Brown. * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: introduce -s to dump counters tools/power turbostat: remove unused command line option turbostat: Add option to report joules consumed per sample turbostat: run on HSX turbostat: Add a .gitignore to ignore the compiled turbostat binary turbostat: Clean up error handling; disambiguate error messages; use err and errx turbostat: Factor out common function to open file and exit on failure turbostat: Add a helper to parse a single int out of a file turbostat: Check return value of fscanf turbostat: Use GCC's CPUID functions to support PIC turbostat: Don't attempt to printf an off_t with %zx turbostat: Don't put unprocessed uapi headers in the include path
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