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2005-06-21Merge rsync://oss.sgi.com/git/xfs-2.6Linus Torvalds73-1107/+957
2005-06-21[PATCH] isofs: show hidden files, add granularity for assoc/hidden files flagsJeremy White4-18/+36
The current isofs treatment of hidden files is flawed in two ways. First, it does not provide sufficient granularity; it hides both 'hidden' files and 'associated' files (resource fork for Mac files). Second, the default behavior to completely strip hidden files, while an admirable implementation of the spec, is a poor choice given the real world use of hidden files as a poor mans copy protection scheme for MSDOS and Windows based systems. A longer description of this is available here: http://www.uwsg.iu.edu/hypermail/linux/kernel/0205.3/0267.html This patch was originally built after a few private conversations with Alan Cox; I shamefully failed to persist in seeing it go forward, I hope to make amends now. This patch introduces granularity by allowing explicit control for both hidden and associated files. It also reverses the default so that by default, hidden files are treated as regular files on the iso9660 file system. This allow Wine to process Windows CDs, including those that are hybrid Mac/Windows CDs properly and completely, without our having to go muck up peoples fstabs as we do now. (I have tested this with such a hybrid + hidden CD and have verified that this patch works as claimed). Signed-off-by: Jeremy White <jwhite@codeweavers.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: handle directory overflowsAndrew Morton1-2/+74
Handle the case where the variable-sized part of a rock-ridge directory entry overhangs the end of the buffer which we allocated for it. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: rename union membersAndrew Morton1-24/+24
The silly thing does: struct foo { ... }; ... #define foo 42 so you can no longer refer to `struct foo' in C code. Rename the structures. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock.c: handle corrupted directoriesAndrew Morton1-0/+13
The bug in rock.c is that it's totally trusting of the contents of the directories. If the directory says there's a continuation 10000 bytes into this 4k block then we cheerily poke around in memory we don't own and oops. So change rock_continue() to apply various sanity checks, at least ensuring that the offset+length remain within the bounds for the header part of a struct rock_ridge directory entry. Note that the kernel can still overindex the buffer due to the variable size of the rock-ridge directory entries. We cannot check that in rock_continue() unless we go parse the directory entry's signature and work out its size. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] isofs: remove debug stuffAndrew Morton1-77/+32
isofs/inode.c: - Remove some crufty leak detection code - coding style cleanups - kfree(NULL) is permitted. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: lindent rock.hAndrew Morton1-90/+93
So we have a couple of rock-ridge bugs. First up, rotoroot the poor thing into something which it is possible to work on. Feed rock.h through Lindent, tidy a couple of things by hand. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: comment tidiesAndrew Morton1-11/+21
Be a bit more standard in comment layout. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: remove MAYBE_CONTINUEAndrew Morton1-107/+130
- remove the MAYBE_CONTINUE macro - kfree(NULL) is OK. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: remove SETUP_ROCK_RIDGEAndrew Morton1-17/+22
- Remove the SETUP_ROCK_RIDGE macro. - In rock_ridge_symlink_readpage(), rename raw_inode to raw_de. It points at a directory entry, not an inode. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: remove CHECK_CEAndrew Morton1-8/+9
Remove the CHECK_CE macro Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: remove CONTINUE_DECLSAndrew Morton1-12/+12
Remove the CONTINUE_DECLS macro. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: remove CHECK_SPAndrew Morton1-9/+21
Remove the CHECK_SP macro. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: manual tidiesAndrew Morton1-286/+285
Fix stuff which Lindent got wrong, rework a few deeply-nested blocks. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] rock: lindent itAndrew Morton1-291/+356
Trying to turn rock.c into something which humans can read so we can fix some bugs. Start out by feeding it through scripts/Lindent. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] autofs4: bad lookup fixIan Kent1-1/+8
For browsable autofs maps, a mount request that arrives at the same time an expire is happening can fail to perform the needed mount. This happens becuase the directory exists and so the revalidate succeeds when we need it to fail so that lookup is called on the same dentry to do the mount. Instead lookup is called on the next path component which should be whithin the mount, but the parent isn't mounted. The solution is to allow the revalidate to continue and perform the mount as no directory creation (at mount time) is needed for browsable mount entries. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] autofs4: post expire race fixIan Kent1-0/+7
At the tail end of an expire it's possible for a process to enter autofs4_wait, with a waitq type of NFY_NONE but find that the expire is finished. In this cause autofs4_wait will try to create a new wait but not notify the daemon leading to a hang. As the wait type is meant to delay mount requests from revalidate or lookup during an expire and the expire is done all we need to do is check if the dentry is a mountpoint. If it's not then we're done. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] autofs4: avoid panic on bind mount of autofs owned directoryIan Kent3-5/+19
While this is not a solution to bind and move mounts on autofs owned directories it is necessary to fix the trady error handling. At least it avoids the kernel panic I observed checking out bug #4589. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] VFS: memory leak in do_kern_mount()Gerald Schaefer1-0/+1
There is a memory leak during mount when CONFIG_SECURITY is enabled and mount options are specified. Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com> Acked-by: James Morris <jmorris@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] vm: try_to_free_pages unused argumentDarren Hart1-1/+1
try_to_free_pages accepts a third argument, order, but hasn't used it since before 2.6.0. The following patch removes the argument and updates all the calls to try_to_free_pages. Signed-off-by: Darren Hart <dvhltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] Avoiding mmap fragmentationWolfgang Wander3-0/+5
Ingo recently introduced a great speedup for allocating new mmaps using the free_area_cache pointer which boosts the specweb SSL benchmark by 4-5% and causes huge performance increases in thread creation. The downside of this patch is that it does lead to fragmentation in the mmap-ed areas (visible via /proc/self/maps), such that some applications that work fine under 2.4 kernels quickly run out of memory on any 2.6 kernel. The problem is twofold: 1) the free_area_cache is used to continue a search for memory where the last search ended. Before the change new areas were always searched from the base address on. So now new small areas are cluttering holes of all sizes throughout the whole mmap-able region whereas before small holes tended to close holes near the base leaving holes far from the base large and available for larger requests. 2) the free_area_cache also is set to the location of the last munmap-ed area so in scenarios where we allocate e.g. five regions of 1K each, then free regions 4 2 3 in this order the next request for 1K will be placed in the position of the old region 3, whereas before we appended it to the still active region 1, placing it at the location of the old region 2. Before we had 1 free region of 2K, now we only get two free regions of 1K -> fragmentation. The patch addresses thes issues by introducing yet another cache descriptor cached_hole_size that contains the largest known hole size below the current free_area_cache. If a new request comes in the size is compared against the cached_hole_size and if the request can be filled with a hole below free_area_cache the search is started from the base instead. The results look promising: Whereas 2.6.12-rc4 fragments quickly and my (earlier posted) leakme.c test program terminates after 50000+ iterations with 96 distinct and fragmented maps in /proc/self/maps it performs nicely (as expected) with thread creation, Ingo's test_str02 with 20000 threads requires 0.7s system time. Taking out Ingo's patch (un-patch available per request) by basically deleting all mentions of free_area_cache from the kernel and starting the search for new memory always at the respective bases we observe: leakme terminates successfully with 11 distinctive hardly fragmented areas in /proc/self/maps but thread creating is gringdingly slow: 30+s(!) system time for Ingo's test_str02 with 20000 threads. Now - drumroll ;-) the appended patch works fine with leakme: it ends with only 7 distinct areas in /proc/self/maps and also thread creation seems sufficiently fast with 0.71s for 20000 threads. Signed-off-by: Wolfgang Wander <wwc@rentec.com> Credit-to: "Richard Purdie" <rpurdie@rpsys.net> Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> (partly) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] mm: add /proc/zoneinfoNikita Danilov1-0/+14
Add /proc/zoneinfo file to display information about memory zones. Useful to analyze VM behaviour. Signed-off-by: Nikita Danilov <nikita@clusterfs.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21[PATCH] smp_processor_id() cleanupIngo Molnar1-3/+3
This patch implements a number of smp_processor_id() cleanup ideas that Arjan van de Ven and I came up with. The previous __smp_processor_id/_smp_processor_id/smp_processor_id API spaghetti was hard to follow both on the implementational and on the usage side. Some of the complexity arose from picking wrong names, some of the complexity comes from the fact that not all architectures defined __smp_processor_id. In the new code, there are two externally visible symbols: - smp_processor_id(): debug variant. - raw_smp_processor_id(): nondebug variant. Replaces all existing uses of _smp_processor_id() and __smp_processor_id(). Defined by every SMP architecture in include/asm-*/smp.h. There is one new internal symbol, dependent on DEBUG_PREEMPT: - debug_smp_processor_id(): internal debug variant, mapped to smp_processor_id(). Also, i moved debug_smp_processor_id() from lib/kernel_lock.c into a new lib/smp_processor_id.c file. All related comments got updated and/or clarified. I have build/boot tested the following 8 .config combinations on x86: {SMP,UP} x {PREEMPT,!PREEMPT} x {DEBUG_PREEMPT,!DEBUG_PREEMPT} I have also build/boot tested x64 on UP/PREEMPT/DEBUG_PREEMPT. (Other architectures are untested, but should work just fine.) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-22[XFS] Handle inode semaphores properly for dmapi queuesDean Roehrich2-13/+20
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>
2005-06-21[PATCH] devfs: remove devfs from Kconfig preventing it from being builtGreg KH1-50/+0
Here's a much smaller patch to simply disable devfs from the build. If this goes well, and there are no complaints for a few weeks, I'll resend my big "devfs-die-die-die" series of patches that rip the whole thing out of the kernel tree. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-06-21Merge 'for-linus' branch of ↵Linus Torvalds22-201/+100
rsync://rsync.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6
2005-06-21[XFS] Remove some debugging code from quota syscalls.Nathan Scott1-3/+0
SGI-PV: 932952 SGI-Modid: xfs-linux-melb:xfs-kern:22929a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Merge a few minor fixes to the quota warning code.Nathan Scott3-4/+32
SGI-PV: 938145 SGI-Modid: xfs-linux:xfs-kern:22901a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Merge fixes into realtime quota code, since one/two reported, stillNathan Scott8-141/+143
not enabled though. SGI-PV: 938145 SGI-Modid: xfs-linux:xfs-kern:22900a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Makes more sense to use the fsxattr interface instead of adding newNathan Scott3-30/+10
ioctls for project IDs. SGI-PV: 938145 SGI-Modid: xfs-linux:xfs-kern:22899a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] (mostly) remove xfs_inval_cached_pages Since the last round ofChristoph Hellwig4-32/+17
direct I/O locking changes it is just a wrapper around VOP_FLUSHINVAL_PAGES, so it's not nessecary anymore. Keep a simplified version for kernels < 2.4.22, as these don't have the changed direct I/O locking. SGI-PV: 938064 SGI-Modid: xfs-linux:xfs-kern:194420a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] simplify ASSERTChristoph Hellwig2-7/+1
SGI-PV: 938063 SGI-Modid: xfs-linux:xfs-kern:194416a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] consolidate extent item freeingChristoph Hellwig3-103/+35
SGI-PV: 938062 SGI-Modid: xfs-linux:xfs-kern:194415a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] quiesce the filesystem proper when freezingChristoph Hellwig3-27/+40
SGI-PV: 936977 SGI-Modid: xfs-linux:xfs-kern:193840a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] add XFS_INOBT_IS_FREE_DISKChristoph Hellwig2-2/+11
SGI-PV: 928382 SGI-Modid: xfs-linux:xfs-kern:193778a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Fix up some warning fallout from functions made staticEric Sandeen2-2/+2
SGI-PV: 936255 SGI-Modid: xfs-linux:xfs-kern:193691a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Add support for project quota inheritance, a merge of Glens changes.Nathan Scott2-24/+37
SGI-PV: 932952 SGI-Modid: xfs-linux:xfs-kern:22806a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Add support for project quota, based on Dan Knappes earlier work.Nathan Scott18-203/+348
SGI-PV: 932952 SGI-Modid: xfs-linux:xfs-kern:22805a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] remove xfs_incore_relseChristoph Hellwig3-20/+0
SGI-PV: 936977 SGI-Modid: xfs-linux:xfs-kern:193409a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] simplify XFS_PURGE_INODEChristoph Hellwig1-7/+1
SGI-PV: 936891 SGI-Modid: xfs-linux:xfs-kern:193408a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] rewrite xfs_iflush_allChristoph Hellwig3-94/+25
SGI-PV: 936890 SGI-Modid: xfs-linux:xfs-kern:193349a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] mark various symbols static Patch from Adrian BunkChristoph Hellwig39-143/+135
SGI-PV: 936255 SGI-Modid: xfs-linux:xfs-kern:192760a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Remove dead code. Patch from Adrian BunkChristoph Hellwig10-214/+0
SGI-PV: 936255 SGI-Modid: xfs-linux:xfs-kern:192759a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Fix pagebuf slab initializationChristoph Hellwig1-1/+1
SGI-PV: 908809 SGI-Modid: xfs-linux:xfs-kern:192756a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] fix some more compiler warnings in the vnode tracing codeChristoph Hellwig1-2/+2
SGI-PV: 934679 SGI-Modid: xfs-linux:xfs-kern:192570a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] rename various pagebuf symbols to xfsbufChristoph Hellwig1-66/+77
SGI-PV: 908809 SGI-Modid: xfs-linux:xfs-kern:192348a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] coordinate mmap calls with xfs_dm_punch_holeDean Roehrich2-3/+28
SGI-PV: 933551 SGI-Modid: xfs-linux:xfs-kern:190622a Signed-off-by: Dean Roehrich <roehrich@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-21[XFS] Add a get/set interface for XFS project identifiers.Nathan Scott5-2/+28
SGI-PV: 932952 SGI-Modid: xfs-linux:xfs-kern:21938a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-06-20[PATCH] SYSFS: fix PAGE_SIZE checkJon Smirl1-1/+1
Without this change I can't set an attribute exactly PAGE_SIZE in length. There is no need for zero termination because the interface uses lengths. From: Jon Smirl <jonsmirl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-06-20[PATCH] sysfs-iattr: set inode attributesManeesh Soni3-8/+35
o Following patch sets the attributes for newly allocated inodes for sysfs objects. If the object has non-default attributes, inode attributes are set as saved in sysfs_dirent->s_iattr, pointer to struct iattr. Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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