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* [XFS] Simplify pagebuf_rele Remove a conditional that can not be trueChristoph Hellwig2005-11-021-25/+4
| | | | | | | | | | anymore and simplify the final put path a little SGI-PV: 908809 SGI-Modid: xfs-linux:xfs-kern:200790a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Rework the dquot hash sizing heuristics.Nathan Scott2005-11-021-13/+1
| | | | | | | SGI-PV: 943123 SGI-Modid: xfs-linux:xfs-kern:24012a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add ATTR_NOSIZETOK definition for xfs_vnodeops.c changeEric Sandeen2005-11-021-0/+1
| | | | | | | | SGI-PV: 942439 SGI-Modid: xfs-linux:xfs-kern:200185a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Update license/copyright notices to match the prefered SGINathan Scott2005-11-0239-1051/+448
| | | | | | | | | boilerplate. SGI-PV: 913862 SGI-Modid: xfs-linux:xfs-kern:23903a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove xfs_macros.c, xfs_macros.h, rework headers a whole lot.Nathan Scott2005-11-029-61/+45
| | | | | | | SGI-PV: 943122 SGI-Modid: xfs-linux:xfs-kern:23901a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Improve buffered read throughput by removing unnecessary timer callsNathan Scott2005-11-024-17/+140
| | | | | | | | | that showed in ´kernel profiles. SGI-PV: 925163 SGI-Modid: xfs-linux:xfs-kern:23861a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove a null CELL macro and its one caller, not useful to anyone.Nathan Scott2005-11-021-4/+0
| | | | | | | SGI-PV: 942986 SGI-Modid: xfs-linux:xfs-kern:23860a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix up an internal sort function name collision issue.Nathan Scott2005-11-021-1/+1
| | | | | | | SGI-PV: 942986 SGI-Modid: xfs-linux:xfs-kern:23859a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Make some extended attributes routines take const parameters, forNathan Scott2005-11-021-5/+6
| | | | | | | | | the FreeBSD porters. SGI-PV: 942906 SGI-Modid: xfs-linux:xfs-kern:23845a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Introduce two new mount options (nolargeio/largeio) to allowDavid Chinner2005-11-022-1/+2
| | | | | | | | | | | | | filesystems to expose the filesystem stripe width in stat(2) rather than the page cache size. This allows applications requiring high bandwidth to easily determine the optimum I/O size for the underlying filesystem. The default is to report the page cache size (i.e. "nolargeio"). SGI-PV: 942818 SGI-Modid: xfs-linux:xfs-kern:23830a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Provide a mechiansm for flushing delalloc before quota reporting.Nathan Scott2005-11-022-0/+15
| | | | | | | SGI-PV: 942815 SGI-Modid: xfs-linux:xfs-kern:23829a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] only mark buffers done when all pages are uptodate in additionChristoph Hellwig2005-11-022-8/+8
| | | | | | | | | | | replace PBF_NONE with an inverted PBF_DONE, so it's like all the other flags. SGI-PV: 942609 SGI-Modid: xfs-linux:xfs-kern:199136a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] write barrier support Issue all log sync operations as orderedChristoph Hellwig2005-11-024-4/+76
| | | | | | | | | | | | | | | | | writes. In addition flush the disk cache on fsync if the sync cached operation didn't sync the log to disk (this requires some additional bookeping in the transaction and log code). If the device doesn't claim to support barriers, the filesystem has an extern log volume or the trial superblock write with barriers enabled failed we disable barriers and print a warning. We should probably fail the mount completely, but that could lead to nasty boot failures for the root filesystem. Not enabled by default yet, needs more destructive testing first. SGI-PV: 912426 SGI-Modid: xfs-linux:xfs-kern:198723a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] fix PBF_NONE handlingChristoph Hellwig2005-11-021-1/+2
| | | | | | | | SGI-PV: 908809 SGI-Modid: xfs-linux:xfs-kern:198669a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] remove unused pagebuf flagsChristoph Hellwig2005-11-022-33/+13
| | | | | | | | SGI-PV: 908809 SGI-Modid: xfs-linux:xfs-kern:198656a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Make sure the threads and shaker in xfs_buf are de-initialized inChristoph Hellwig2005-11-021-62/+25
| | | | | | | | | | reverse startup order SGI-PV: 942063 SGI-Modid: xfs-linux:xfs-kern:198651a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [PATCH] mm: split page table lockHugh Dickins2005-10-291-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Christoph Lameter demonstrated very poor scalability on the SGI 512-way, with a many-threaded application which concurrently initializes different parts of a large anonymous area. This patch corrects that, by using a separate spinlock per page table page, to guard the page table entries in that page, instead of using the mm's single page_table_lock. (But even then, page_table_lock is still used to guard page table allocation, and anon_vma allocation.) In this implementation, the spinlock is tucked inside the struct page of the page table page: with a BUILD_BUG_ON in case it overflows - which it would in the case of 32-bit PA-RISC with spinlock debugging enabled. Splitting the lock is not quite for free: another cacheline access. Ideally, I suppose we would use split ptlock only for multi-threaded processes on multi-cpu machines; but deciding that dynamically would have its own costs. So for now enable it by config, at some number of cpus - since the Kconfig language doesn't support inequalities, let preprocessor compare that with NR_CPUS. But I don't think it's worth being user-configurable: for good testing of both split and unsplit configs, split now at 4 cpus, and perhaps change that to 8 later. There is a benefit even for singly threaded processes: kswapd can be attacking one part of the mm while another part is busy faulting. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] gfp_t: fs/*Al Viro2005-10-284-25/+25
| | | | | | | | | | | | | | | | | | | - ->releasepage() annotated (s/int/gfp_t), instances updated - missing gfp_t in fs/* added - fixed misannotation from the original sweep caught by bitwise checks: XFS used __nocast both for gfp_t and for flags used by XFS allocator. The latter left with unsigned int __nocast; we might want to add a different type for those but for now let's leave them alone. That, BTW, is a case when __nocast use had been actively confusing - it had been used in the same code for two different and similar types, with no way to catch misuses. Switch of gfp_t to bitwise had caught that immediately... One tricky bit is left alone to be dealt with later - mapping->flags is a mix of gfp_t and error indications. Left alone for now. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] gfp flags annotations - part 1Al Viro2005-10-082-12/+11
| | | | | | | | | | | | - added typedef unsigned int __nocast gfp_t; - replaced __nocast uses for gfp flags with gfp_t - it gives exactly the same warnings as far as sparse is concerned, doesn't change generated code (from gcc point of view we replaced unsigned int with typedef) and documents what's going on far better. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] fs: fix-up schedule_timeout() usageNishanth Aravamudan2005-09-103-11/+10
| | | | | | | | | | | Use schedule_timeout_{,un}interruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Also use helper functions to convert between human time units and jiffies rather than constant HZ division to avoid rounding errors. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [XFS] Sort out some cosmetic differences between XFS trees.Nathan Scott2005-09-052-6/+15
| | | | | | | SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:23719a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix incorrect use of BMAPI_READ in unwritten extent handlingNathan Scott2005-09-051-1/+1
| | | | | | | | | (luckily just cosmetic). SGI-PV: 942232 SGI-Modid: xfs-linux-melb:xfs-kern:23718a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] replace "extern inline" with "static inline" Patch from Adrian BunkChristoph Hellwig2005-09-051-1/+1
| | | | | | | | | | <bunk@stusta.de>, thanks a lot! SGI-PV: 942227 SGI-Modid: xfs-linux:xfs-kern:198642a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Switch kernel thread handling to the kthread_ APIChristoph Hellwig2005-09-054-46/+17
| | | | | | | | SGI-PV: 942063 SGI-Modid: xfs-linux:xfs-kern:198388a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix racy access to pb_flags. pagebuf_rele() modified pb_flags afterDavid Chinner2005-09-052-18/+51
| | | | | | | | | | | | | | the pagebuf had been unlocked if the buffer was delwri. At high load, this could result in a race when the superblock was being synced that would result the flags being incorrect and the iodone functions being executed incorrectly. This then leads to iclog callback failures or AIL list corruptions resulting in filesystem shutdowns. SGI-PV: 923981 SGI-Modid: xfs-linux:xfs-kern:23616a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] remove some dead code from pagebufChristoph Hellwig2005-09-052-37/+0
| | | | | | | | SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:197783a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] allow a null behaviour pointer in linvfs_clear_inodeChristoph Hellwig2005-09-051-3/+6
| | | | | | | | SGI-PV: 940531 SGI-Modid: xfs-linux:xfs-kern:197782a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Manage spinlock differences between kernel versions a bit.Nathan Scott2005-09-051-0/+3
| | | | | | | SGI-PV: 904196 SGI-Modid: xfs-linux:xfs-kern:23563a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] add handlers to fix xfs_flock_t alignment issues in compat ioctlsEric Sandeen2005-09-051-3/+62
| | | | | | | | SGI-PV: 938899 SGI-Modid: xfs-linux:xfs-kern:197403a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Check if there is first behavior before calling VOP_RECLAIM fromFelix Blyakher2005-09-051-3/+5
| | | | | | | | | | linvfs_clear_inode(). The behavior may go away in VOP_INACTIVE. SGI-PV: 941000 SGI-Modid: xfs-linux:xfs-kern:197355a Signed-off-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] streamline the clear_inode pathChristoph Hellwig2005-09-053-156/+25
| | | | | | | | SGI-PV: 940531 SGI-Modid: xfs-linux:xfs-kern:196888a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Delay I/O completion for unwritten extents after conversionChristoph Hellwig2005-09-052-2/+26
| | | | | | | | SGI-PV: 936584 SGI-Modid: xfs-linux:xfs-kern:196886a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Delay direct I/O completion to a workqueue This is nessecaryChristoph Hellwig2005-09-052-29/+48
| | | | | | | | | | | | | because aio+dio completions may happen from irq context but we need process context for converting unwritten extents. We also queue regular direct I/O completions to workqueue for regularity, there's only one queue_work call per syscall. SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:196857a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add in the new xfs_aops.h header file for I/O completion struct.Christoph Hellwig2005-09-051-0/+49
| | | | | | | | SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:196857a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add infrastructure for tracking I/O completionsChristoph Hellwig2005-09-024-85/+132
| | | | | | | | SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:196856a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] add infrastructure for waiting on I/O completion at inode reclaimChristoph Hellwig2005-09-023-14/+29
| | | | | | | | | | time SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:196854a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] remove unessecary vnode flagsChristoph Hellwig2005-09-022-62/+1
| | | | | | | | SGI-PV: 934766 SGI-Modid: xfs-linux:xfs-kern:196852a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix sparse warnings in kmem_* functions Patch from Victor FuscoChristoph Hellwig2005-09-022-22/+24
| | | | | | | | | | <victor@cetuc.puc-rio.br> SGI-PV: 940376 SGI-Modid: xfs-linux:xfs-kern:196705a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] remove struct vnode::v_typeChristoph Hellwig2005-09-025-57/+42
| | | | | | | | SGI-PV: 936236 SGI-Modid: xfs-linux:xfs-kern:195878a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix check for writeable file in xfs_ioc_space ioctl codeEric Sandeen2005-09-021-1/+1
| | | | | | | | SGI-PV: 938905 SGI-Modid: xfs-linux:xfs-kern:195240a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add a chunk of tracing code to diagnose truncate related issues.Nathan Scott2005-09-022-3/+15
| | | | | | | SGI-PV: 938410 SGI-Modid: xfs-linux:xfs-kern:22966a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Make metadata IO completion consistent with other IO completionNathan Scott2005-09-021-6/+11
| | | | | | | | | handlers. SGI-PV: 938409 SGI-Modid: xfs-linux:xfs-kern:22965a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] replace vn_get usage by iholdChristoph Hellwig2005-09-022-39/+6
| | | | | | | | SGI-PV: 938306 SGI-Modid: xfs-linux:xfs-kern:194627a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] send dmapi events from nopage for mmapped filesDean Roehrich2005-09-021-58/+32
| | | | | | | | SGI-PV: 935317 SGI-Modid: xfs-linux:xfs-kern:192007a Signed-off-by: Dean Roehrich <roehrich@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] upate copyrightsDean Roehrich2005-09-021-1/+1
| | | | | | | | SGI-PV: 933765 SGI-Modid: xfs-linux:xfs-kern:190760a Signed-off-by: Dean Roehrich <roehrich@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [PATCH] Fix up symlink function pointersAl Viro2005-08-191-5/+5
| | | | | | | | | | This fixes up the symlink functions for the calling convention change: * afs, autofs4, befs, devfs, freevxfs, jffs2, jfs, ncpfs, procfs, smbfs, sysvfs, ufs, xfs - prototype change for ->follow_link() * befs, smbfs, xfs - same for ->put_link() Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Cleanup patch for process freezingChristoph Lameter2005-06-252-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1. Establish a simple API for process freezing defined in linux/include/sched.h: frozen(process) Check for frozen process freezing(process) Check if a process is being frozen freeze(process) Tell a process to freeze (go to refrigerator) thaw_process(process) Restart process frozen_process(process) Process is frozen now 2. Remove all references to PF_FREEZE and PF_FROZEN from all kernel sources except sched.h 3. Fix numerous locations where try_to_freeze is manually done by a driver 4. Remove the argument that is no longer necessary from two function calls. 5. Some whitespace cleanup 6. Clear potential race in refrigerator (provides an open window of PF_FREEZE cleared before setting PF_FROZEN, recalc_sigpending does not check PF_FROZEN). This patch does not address the problem of freeze_processes() violating the rule that a task may only modify its own flags by setting PF_FREEZE. This is not clean in an SMP environment. freeze(process) is therefore not SMP safe! Signed-off-by: Christoph Lameter <christoph@lameter.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] pass iocb to dio_iodone_tChristoph Hellwig2005-06-241-1/+2
| | | | | | | | | XFS will have to look at iocb->private to fix aio+dio. No other filesystem is using the blockdev_direct_IO* end_io callback. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge rsync://oss.sgi.com/git/xfs-2.6Linus Torvalds2005-06-2111-120/+133
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| * [XFS] Handle inode semaphores properly for dmapi queuesDean Roehrich2005-06-221-2/+8
| | | | | | | | | | | | | | | | SGI-PV: 931572 SGI-Modid: xfs-linux-melb:xfs-kern:189560a Signed-off-by: Dean Roehrich <roehrich@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
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