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* NTFS: Correct sparse file handling. The compressed values need to beAnton Altaparmakov2005-05-05
| | | | | | | | checked and set in the ntfs inode as done for compressed files and the compressed size needs to be used for vfs inode->i_blocks instead of the allocated size, again, as done for compressed files. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Make fs/ntfs/namei.c::ntfs_get_{parent,dentry} static and move theAnton Altaparmakov2005-05-05
| | | | | | | definition of ntfs_export_ops from fs/ntfs/super.c to namei.c. Also, declare ntfs_export_ops in fs/ntfs/ntfs.h. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Fix printk format warnings on ia64. (Randy Dunlap)Randy Dunlap2005-05-05
| | | | | Signed-off-by: Randy Dunlap <rddunlap@osdl.org> Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: - Set the ntfs_inode->allocated_size to the real allocated size in theAnton Altaparmakov2005-05-05
| | | | | | | | mft record for resident attributes (fs/ntfs/inode.c). - Small readability cleanup to use "a" instead of "ctx->attr" everywhere (fs/ntfs/inode.c). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Fix a nasty runlist merge bug when merging two holes.Anton Altaparmakov2005-05-05
| | | | Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Change time to u64 in time.h::ntfs2utc() as it otherwise generates aAnton Altaparmakov2005-05-05
| | | | | | | warning in the do_div() call on sparc32. Thanks to Meelis Roos for the report and analysis of the warning. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: - Split ntfs_map_runlist() into ntfs_map_runlist() and a non-lockingAnton Altaparmakov2005-05-05
| | | | | | | | | | | | | helper ntfs_map_runlist_nolock() which is used by ntfs_map_runlist(). This allows us to map runlist fragments with the runlist lock already held without having to drop and reacquire it around the call. Adapt all callers. - Change ntfs_find_vcn() to ntfs_find_vcn_nolock() which takes a locked runlist. This allows us to find runlist elements with the runlist lock already held without having to drop and reacquire it around the call. Adapt all callers. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Fix a bug in fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress() inAnton Altaparmakov2005-05-05
| | | | | | | the creation of the unmapped runlist element for the base attribute extent. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: - Add disable_sparse mount option together with a per volume sparseAnton Altaparmakov2005-05-05
| | | | | | | | enable bit which is set appropriately and a per inode sparse disable bit which is preset on some system file inodes as appropriate. - Enforce that sparse support is disabled on NTFS volumes pre 3.0. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Optimise/reorganise some error handling code in fs/ntfs/aops.c.Anton Altaparmakov2005-05-05
| | | | Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Fixup the resident attribute resizing code inAnton Altaparmakov2005-05-05
| | | | | | | fs/ntfs/aops.c::ntfs_{prepare,commit}_write()() and re-enable it. It should be safe now. (Famous last words...) Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Fix stupid bug in fs/ntfs/mft.c introduced in last changeset.Anton Altaparmakov2005-05-05
| | | | Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Repeat a failed ntfs_truncate() in fs/ntfs/aops.c::ntfs_writepage()Anton Altaparmakov2005-05-05
| | | | | | and abort if it fails again. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Use i_size_{read,write}() in fs/ntfs/{aops.c,mft.c} and protectAnton Altaparmakov2005-05-05
| | | | | | access to the i_size and other size fields using the size_lock. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: Use i_size_read() in fs/ntfs/inode.c once and then use the cached valueAnton Altaparmakov2005-05-05
| | | | | | afterwards when reading the size of the bitmap inode. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: - Use i_size_read() in fs/ntfs/super.c once and then use the cachedAnton Altaparmakov2005-05-05
| | | | | | | | value afterwards. Cache the initialized_size in the same way and protect access to the two sizes using the size_lock. - Minor optimization to fs/ntfs/super.c::ntfs_statfs() and its helpers. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: In fs/ntfs/dir.c, use i_size_read() once and then the cached valueAnton Altaparmakov2005-05-05
| | | | | | afterwards. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* NTFS: - In fs/ntfs/compress.c, use i_size_read() at the start and then use theAnton Altaparmakov2005-05-05
| | | | | | | | | | cached value everywhere. Cache the initialized_size in the same way and protect the critical region where the two sizes are read using the new size_lock of the ntfs inode. - Add the new size_lock to the ntfs_inode structure (fs/ntfs/inode.h) and initialize it (fs/ntfs/inode.c). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
* Merge with /usr/src/ntfs-2.6.gitAnton Altaparmakov2005-05-05
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| * Automatic merge of ↵Linus Torvalds2005-05-04
| |\ | | | | | | | | | rsync://rsync.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git
| | * [IA64-SGI] convert some sn SAL_CALLs to ia64_sal_oemcall callsDean Nelson2005-05-04
| | | | | | | | | | | | | | | | | | | | | | | | Convert some sn SAL_CALLs to ia64_sal_oemcall calls so that they can be called by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] move nodepda pointer out of pdaDean Nelson2005-05-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the p_nodepda and p_subnodepda pointers from the pda_s structure. And then define a new per-cpu pointer to the nodepda and export it so that it can be accessed by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] Update arch/ia64/configs/tiger_defconfigTony Luck2005-05-03
| | | | | | | | | | | | | | | | | | Kristen did most of the checking, bring this up to -rc2. Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] Fix two warnings introduced by perfmon patches.Tony Luck2005-05-03
| | | | | | | | | | | | Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] another perfmon fix (take2)stephane eranian2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - pfm_context_load(): change return value from EINVAL to EBUSY when context is already loaded. - pfm_check_task_state(): pass test if context state is MASKED. It is safe to give access on PFM_CTX_MASKED because the PMU state (PMD) is stable and saved in software state. This helps multiplexing programs such as the example given in libpfm-3.1. Signed-off-by: stephane eranian <eranian@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] perfmon & PAL_HALT againStephane Eranian2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pmu_active test is based on the values of PSR.up. THIS IS THE PROBLEM as it does not take into account the lazy restore logic which is as follow (simplified): context switch out: save PMDs clear psr.up release ownership context switch in: if (ctx->last_cpu == smp_processor_id() && ctx->cpu_activation == cpu_activation) { set psr.up return } restore PMD restore PMC ctx->last_cpu = smp_processor_id(); ctx->activation = ++cpu_activation; set psr.up The key here is that on context switch out, we clear psr.up and on context switch in we check if nobody else used the PMU on that processor since last time we came. In that case, we assume the PMD/PMC are ours and we simply reactivate. The Caliper problem is that between the moment we context switch out and the moment we come back, nobody effectively used the PMU BUT the processor went idle. Normally this would have no incidence but PAL_HALT does alter the PMU registers. In default_idle(), the test on psr.up is not strong enough to cover this case and we go into PAL which trashed the PMU resgisters. When we come back we falsely assume that this is our state yet it is corrupted. Very nasty indeed. To avoid the problem it is necessary to forbid going to PAL_HALT as soon as perfmon installs some valid state in the PMU registers. This happens with an application attaches a context to a thread or CPU. It is not enough to check the psr/dcr bits. Hence I propose the attached patch. It adds a callback in process.c to modify the condition to enter PAL on idle. Basically, now it is conditional to pal_halt=1 AND perfmon saying it is okay. Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [patch] MCA recovery module undefined symbol fixRuss Anderson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch "MCA recovery improvements" added do_exit to mca_drv.c. That's fine when the mca recovery code is built in the kernel (CONFIG_IA64_MCA_RECOVERY=y) but breaks building the mca recovery code as a module (CONFIG_IA64_MCA_RECOVERY=m). Most users are currently building this as a module, as loading and unloading the module provides a very convenient way to turn on/off error recovery. This patch exports do_exit, so mca_drv.c can build as a module. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] altix: fix TIOCA dmamap list_addMark Maule2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | Correct a bug where tioca_dma_mapped() is putting tioca dma map structs on the wrong list. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] SAL to OS callbacks cannot call sleepingKeith Owens2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | When SAL calls back into the OS, the OS code is running with preempt disabled so it cannot call sleeping functions. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] MCA recovery improvementsRuss Anderson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jack Steiner uncovered some opportunities for improvement in the MCA recovery code. 1) Set bsp to save registers on the kernel stack. 2) Disable interrupts while in the MCA recovery code. 3) Change the way the user process is killed, to avoid a panic in schedule. Testing shows that these changes make the recovery code much more reliable with the 2.6.12 kernel. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] fix ia64 syscall auditingDavid Woodhouse2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Attached is a patch against David's audit.17 kernel that adds checks for the TIF_SYSCALL_AUDIT thread flag to the ia64 system call and signal handling code paths. The patch enables auditing of system calls set up via fsys_bubble_down, as well as ensuring that audit_syscall_exit() is called on return from sigreturn. Neglecting to check for TIF_SYSCALL_AUDIT at these points results in incorrect information in audit_context, causing frequent system panics when system call auditing is enabled on an ia64 system. I have tested this patch and have seen no problems with it. [Original patch from Amy Griffis ported to current kernel by David Woodhouse] From: Amy Griffis <amy.griffis@hp.com> From: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Chris Wright <chrisw@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] reduce cacheline bouncing in cpu_idle_waitZwane Mwaikambo2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Andi noted that during normal runtime cpu_idle_map is bounced around a lot, and occassionally at a higher frequency than the timer interrupt wakeup which we normally exit pm_idle from. So switch to a percpu variable. I didn't move things to the slow path because it would involve adding scheduler code to wakeup the idle thread on the cpus we're waiting for. Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Altix only: Fix for sn_dma_flushMike Habeck2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following patch fixes a bug in the SGI Altix sn_dma_flush code. sn_dma_flush is broken in 2.6. The code isn't waiting for the DMA data to be flushed out of the PIC ASIC. This patch is based off the linux-ia64-test-2.6.12 tree Signed-off-by: Mike Habeck <habeck@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] use common pxm functionAlex Williamson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | This patch simplifies a couple places where we search for _PXM values in ACPI namespace. Thanks, Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Altix only: Register Error InterruptColin Ngam2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | The following patch ensures that the correct error interrupt handling routine is initialized. This patch is based on the 2.6.12 ia64 release tree. Signed-off-by: Colin Ngam <cngam@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] convert AMO address found in XPC's reserved pageDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch detects the existence of an uncached physical AMO address setup by EFI's XPBOOT (SGI) and converts it to an uncached virtual AMO address. Depends on a patch submitted on 23 March 2005 with the subject of: [PATCH 2/3] SGI Altix cross partition functionality (2nd revision) Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] SGI Altix cross partition functionality [3/3]Dean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | This patch contains the cross partition pseudo-ethernet driver (XPNET) functional support module. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] SGI Altix cross partition functionality [2/3]Dean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | This patch contains the communication module (XPC) for cross partition communication on a partitioned SGI Altix. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] manually apply changes to arch/ia64/sn/kernel/MakefileTony Luck2005-05-03
| | | | | | | | | | | | | | | | | | | | | cg-patch couldn't apply the patch to Makefile, and my dumb script rushed on and ran cg-commit without this change. Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] SGI Altix cross partition functionality (2ndDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | This patch contains the shim module (XP) which interfaces between the communication module (XPC) and the functional support modules (like XPNET). Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Add some needed externs currently not definedDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | Add some needed externs currently not defined. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Define some additional SHub1 and Shub2 register symbolsDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | Define some additional SHub1 and SHub2 register symbols. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] Export node_online_map and node_possible_mapDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | Export node_online_map and node_possible_map so that kernel modules can use the nodemask macros, like, for_each_node() and for_each_online_node(). Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [PATCH] move cnodeid_to_nasid_table out of pdaDean Nelson2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Another step in the effort to eliminate the SN pda structure. This patch moves the cnodeid_to_nasid_table field out of the pda, making it a standalone per-cpu data item, and exports it so it can be accessed by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Altix patch to add bricktype knowledge to tiocxBruce Losure2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | Here is a patch to enable the SGI tiocx bus driver to distingush between FPGA-attached h/w and non-FPGA-attached h/w. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Altix patch to fix missing Kconfig dependency.Bruce Losure2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | This is a one-liner to make the mbcs driver depend on SGI_TIOCX in the drivers/char/Kconfig file. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] Altix only: Remove hubdev SAL call Bruce Losure2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Hi Tony, This patch against ia64-test-2.6.12 fixes a bug where the tiocx code was inadvertently un-doing some address modifications done in earlier fixup code. This patch just removes the offending code. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64] use fc.i for fluch_icache_range()David Mosberger-Tang2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a small patch to switch fluch_icache_range() to use fc.i instead of fc. This would save time on processors which can establish i-cache coherency without flushing the cache-line out to memory (not that any current processors do). On existing processors, fc.i behaves like fc. The only caveat is that very old assemblers may not know about fc.i yet. Signed-off-by: David Mosberger-Tang <davidm@hpl.hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] cleanup shubio.hJes Sorensen2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch cleans up include/asm/sn/shubio.h by removing a ton of whitespaces and running it through Lindent, reducing it's size by almost 30KB. No actual content has been changed. Signed-off-by: Jes Sorensen <jes@wildopensource.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
| | * [IA64-SGI] remove unused sn header filesJesse Barnes2005-05-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes Jes' patch (which also contains the removal of fetchop.h) a bit smaller, and removes two other unused files at the same time, sndrv.h and sn_fru.h. Signed-off-by: Jesse Barnes <jbarnes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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