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* [MIPS] signals: make common _BLOCKABLE macroFranck Bui-Huu2007-02-134-6/+2
| | | | | Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] signal: Move sigframe definition for native O32/N64 into signal.cRalf Baechle2007-02-132-26/+20
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] signal: Move {restore,setup}_sigcontext prototypes to their userRalf Baechle2007-02-132-6/+4
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] signal: Fix warnings in o32 compat code.Ralf Baechle2007-02-131-3/+23
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] IP27: Enable N32 support in defconfig.Ralf Baechle2007-02-131-1/+1
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Revert "[MIPS] Fix warning in get_user when fetching pointer object from ↵Ralf Baechle2007-02-131-1/+4
| | | | | | userspace." This reverts commit 4ed3a77f38c023658784804cb39a7ce18063dc88.
* [MIPS] Don't claim we support dma_declare_coherent_memory - we don't.Ralf Baechle2007-02-131-0/+2
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Unify dma-{coherent,noncoherent.ip27,ip32}Ralf Baechle2007-02-1313-1020/+387
| | | | | | | | Platforms will now have to supply a function dma_device_is_coherent which returns if a particular device participates in the coherence domain. For most platforms this function will always return 0 or 1. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [MIPS] Improve branch prediction in ll/sc atomic operations.Ralf Baechle2007-02-134-32/+127
| | | | | | | | | | | | Now that finally all supported versions of binutils have functioning support for .subsection use .subsection to tweak the branch prediction I did not modify the R10000 errata variants because it seems unclear if this will invalidate the workaround which actually relies on the cheesy prediction of branch likely to cause a misspredict if the sc was successful. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* [PATCH] one more iomap s390 build fixHeiko Carstens2007-02-121-1/+3
| | | | | | | | | | | | | | | | | | Commit 9ac7849e35f705830f7b016ff272b0ff1f7ff759 causes this on S390: drivers/built-in.o: In function `dmam_noncoherent_release': dma-mapping.c:(.text+0x1515c): undefined reference to `dma_free_noncoherent' drivers/built-in.o: In function `dmam_free_noncoherent': undefined reference to `dma_free_noncoherent' drivers/built-in.o: In function `dmam_alloc_noncoherent': undefined reference to `dma_alloc_noncoherent' make: *** [.tmp_vmlinux1] Error 1 Cc: Tejun Heo <htejun@gmail.com> Acked-by: Jeff Garzik <jeff@garzik.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* cfq-iosched: improve continue or break logic in cfq_dispatchJens Axboe2007-02-111-8/+8
| | | | | | | This improves performance considerably for sync requests when you have command queuing enabled. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: remove the implicit queue kicking in slice expireJens Axboe2007-02-111-6/+6
| | | | | | | We only really need it for a process going away, so move it to those locations. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: check whether a queue timed out in accountingJens Axboe2007-02-111-14/+18
| | | | | | Makes it more fair for the residual slice count. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: tweak the FIFO checkingJens Axboe2007-02-111-3/+4
| | | | | | | | We currently check the FIFO once per slice. Optimize that a bit and only do it as the first thing for a new slice, so we don't end up doing a single request and then seek to the FIFO requests. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: don't pass in queue for cfq_arm_slice_timer()Jens Axboe2007-02-111-5/+4
| | | | | | | It must always be the active queue, otherwise it's a bug. So just use the active_queue, don't pass it in explicitly. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: account for slice over/under timeJens Axboe2007-02-111-20/+12
| | | | | | | | If a slice uses less than it is entitled to (or perhaps more), include that in the decision on how much time to give it the next time it gets serviced. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: defer slice activation to first request being activeJens Axboe2007-02-111-38/+53
| | | | | | | This better matches what time the queue is actually spending doing IO. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* [PATCH] cfq-iosched: use last service point as the fairness criteriaJens Axboe2007-02-111-14/+34
| | | | | | | | Right now we use slice_start, which gives async queues an unfair advantage. Chance that to service_last, and base the resorter on that. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: document the cfqq flagsJens Axboe2007-02-111-9/+9
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* [PATCH] cfq-iosched: move on_rr check into cfq_resort_rr_list()Jens Axboe2007-02-111-10/+9
| | | | | | | Move the on_rr check into cfq_resort_rr_list(), every call site needs to check it anyway. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* cfq-iosched: remove cfq_io_context last_queueJens Axboe2007-02-112-18/+2
| | | | | | | It hasn't been used for a while, kill it off and remove the old if 0 code chunk. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* elevator: don't sort reads between writesJens Axboe2007-02-111-0/+2
| | | | | | | Don't allow elv_dispatch_sort() to mix reads and writes together, it's rarely a good idea. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* elevator: abstract out the activate and deactivate functionsJens Axboe2007-02-111-9/+20
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* Merge git://oss.sgi.com:8090/xfs/xfs-2.6Linus Torvalds2007-02-1163-1189/+885
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://oss.sgi.com:8090/xfs/xfs-2.6: (33 commits) [XFS] Don't use kmap in xfs_iozero. [XFS] Remove a bunch of unused functions from XFS. [XFS] Remove unused arguments from the XFS_BTREE_*_ADDR macros. [XFS] Remove unused header files for MAC and CAP checking functionality. [XFS] Make freeze code a little cleaner. [XFS] Remove unused argument to xfs_bmap_finish [XFS] Clean up use of VFS attr flags [XFS] Remove useless memory barrier [XFS] XFS sysctl cleanups [XFS] Fix assertion in xfs_attr_shortform_remove(). [XFS] Fix callers of xfs_iozero() to zero the correct range. [XFS] Ensure a frozen filesystem has a clean log before writing the dummy [XFS] Fix sub-block zeroing for buffered writes into unwritten extents. [XFS] Re-initialize the per-cpu superblock counters after recovery. [XFS] Fix block reservation changes for non-SMP systems. [XFS] Fix block reservation mechanism. [XFS] Make growfs work for amounts greater than 2TB [XFS] Fix inode log item use-after-free on forced shutdown [XFS] Fix attr2 corruption with btree data extents [XFS] Workaround log space issue by increasing XFS_TRANS_PUSH_AIL_RESTARTS ...
| * [XFS] Don't use kmap in xfs_iozero.David Chinner2007-02-101-7/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | kmap() is inefficient and does not scale well. kmap_atomic() is a better choice. Use the generic wrapper function instead of open coding the kmap-memset-dcache flush-kunmap stuff. SGI-PV: 960904 SGI-Modid: xfs-linux-melb:xfs-kern:28041a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove a bunch of unused functions from XFS.Eric Sandeen2007-02-109-294/+0
| | | | | | | | | | | | | | | | | | | | | | Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960897 SGI-Modid: xfs-linux-melb:xfs-kern:28038a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove unused arguments from the XFS_BTREE_*_ADDR macros.Eric Sandeen2007-02-107-82/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It makes it incrementally clearer to read the code when the top of a macro spaghetti-pile only receives the 3 arguments it uses, rather than 2 extra ones which are not used. Also when you start pulling this thread out of the sweater (i.e. remove unused args from XFS_BTREE_*_ADDR), a couple other third arms etc fall off too. If they're not used in the macro, then they sometimes don't need to be passed to the function calling the macro either, etc.... Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960197 SGI-Modid: xfs-linux-melb:xfs-kern:28037a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove unused header files for MAC and CAP checking functionality.Eric Sandeen2007-02-1019-205/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | xfs_mac.h and xfs_cap.h provide definitions and macros that aren't used anywhere in XFS at all. They are left-overs from "to be implement at some point in the future" functionality that Irix XFS has. If this functionality ever goes into Linux, it will be provided at a different layer, most likely through the security hooks in the kernel so we will never need this functionality in XFS. Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960895 SGI-Modid: xfs-linux-melb:xfs-kern:28036a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Make freeze code a little cleaner.David Chinner2007-02-103-11/+11
| | | | | | | | | | | | | | | | | | | | | | | | Fixes a few small issues (mostly cosmetic) that were picked up during the review cycle for the last set of freeze path changes. SGI-PV: 959267 SGI-Modid: xfs-linux-melb:xfs-kern:28035a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove unused argument to xfs_bmap_finishEric Sandeen2007-02-109-35/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The firstblock argument to xfs_bmap_finish is not used by that function. Remove it and cleanup the code a bit. Patch provided by Eric Sandeen. SGI-PV: 960196 SGI-Modid: xfs-linux-melb:xfs-kern:28034a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Clean up use of VFS attr flagsEric Sandeen2007-02-101-18/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the the generic VFS attr flags where appropriate instead of open coding them to the same values. Patch provided by Eric Sandeen. SGI-PV: 960868 SGI-Modid: xfs-linux-melb:xfs-kern:28033a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Remove useless memory barrierRalf Baechle2007-02-101-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | wake_up's implementation does an implicit memory barrier so the explicit memory barrier is not needed in vfs_sync_worker. Patch provided by Ralf Baechle. SGI-PV: 960867 SGI-Modid: xfs-linux-melb:xfs-kern:28032a Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] XFS sysctl cleanupsEric W. Biederman2007-02-101-79/+181
| | | | | | | | | | | | | | | | | | | | | | | | Removes unneeded sysctl insert at head behaviour. Cleans up sysctl definitions to use C99 initialisers. Patch provided by Eric W. Biederman. SGI-PV: 960192 SGI-Modid: xfs-linux-melb:xfs-kern:28031a Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix assertion in xfs_attr_shortform_remove().Lachlan McIlroy2007-02-101-1/+2
| | | | | | | | | | | | | | | | | | SGI-PV: 960791 SGI-Modid: xfs-linux-melb:xfs-kern:28021a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix callers of xfs_iozero() to zero the correct range.Lachlan McIlroy2007-02-103-20/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The problem is the two callers of xfs_iozero() are rounding out the range to be zeroed to the end of a fsb and in some cases this extends past the new eof. The call to commit_write() in xfs_iozero() will cause the Linux inode's file size to be set too high. SGI-PV: 960788 SGI-Modid: xfs-linux-melb:xfs-kern:28013a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Ensure a frozen filesystem has a clean log before writing the dummyDavid Chinner2007-02-103-7/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | record. The current Linux XFS freeze code is a mess. We flush the metadata buffers out while we are still allowing new transactions to start and then fail to flush the dirty buffers back out before writing the unmount and dummy records to the log. This leads to problems when the frozen filesystem is used for snapshots - we do log recovery on a readonly image and often it appears that the log image in the snapshot is not correct. Hence we end up with hangs, oops and mount failures when trying to mount a snapshot image that has been created when the filesystem has not been correctly frozen. To fix this, we need to move th metadata flush to after we wait for all current transactions to complete in teh second stage of the freeze. This means that when we write the final log records, the log should be clean and recovery should never occur on a snapshot image created from a frozen filesystem. SGI-PV: 959267 SGI-Modid: xfs-linux-melb:xfs-kern:28010a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix sub-block zeroing for buffered writes into unwritten extents.David Chinner2007-02-101-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When writing less than a filesystem block of data into an unwritten extent via buffered I/O, __xfs_get_blocks fails to set the buffer new flag. As a result, the generic code will not zero either edge of the block resulting in garbage being written to disk either side of the real data. Set the buffer new state on bufferd writes to unwritten extents to ensure that zeroing occurs. SGI-PV: 960328 SGI-Modid: xfs-linux-melb:xfs-kern:28000a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Re-initialize the per-cpu superblock counters after recovery.Lachlan McIlroy2007-02-103-5/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | After filesystem recovery the superblock is re-read to bring in any changes. If the per-cpu superblock counters are not re-initialized from the superblock then the next time the per-cpu counters are disabled they might overwrite the global counter with a bogus value. SGI-PV: 957348 SGI-Modid: xfs-linux-melb:xfs-kern:27999a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix block reservation changes for non-SMP systems.Kevin Jamieson2007-02-101-1/+1
| | | | | | | | | | | | | | | | | | | | SGI-PV: 956323 SGI-Modid: xfs-linux-melb:xfs-kern:27940a Signed-off-by: Kevin Jamieson <kjamieson@bycast.com> Signed-off-by: David Chatterton <chatz@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix block reservation mechanism.David Chinner2007-02-104-20/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The block reservation mechanism has been broken since the per-cpu superblock counters were introduced. Make the block reservation code work with the per-cpu counters by syncing the counters, snapshotting the amount of available space and then doing a modifcation of the counter state according to the result. Continue in a loop until we either have no space available or we reserve some space. SGI-PV: 956323 SGI-Modid: xfs-linux-melb:xfs-kern:27895a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Make growfs work for amounts greater than 2TBDavid Chinner2007-02-105-61/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The free block modification code has a 32bit interface, limiting the size the filesystem can be grown even on 64 bit machines. On 32 bit machines, there are other 32bit variables in transaction structures and interfaces that need to be expanded to allow this to work. SGI-PV: 959978 SGI-Modid: xfs-linux-melb:xfs-kern:27894a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix inode log item use-after-free on forced shutdownDavid Chinner2007-02-101-4/+18
| | | | | | | | | | | | | | | | | | SGI-PV: 959388 SGI-Modid: xfs-linux-melb:xfs-kern:27805a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix attr2 corruption with btree data extentsBarry Naujok2007-02-103-11/+54
| | | | | | | | | | | | | | | | | | SGI-PV: 958747 SGI-Modid: xfs-linux-melb:xfs-kern:27792a Signed-off-by: Barry Naujok <bnaujok@sgi.com> Signed-off-by: Russell Cattelan <cattelan@thebarn.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Workaround log space issue by increasing XFS_TRANS_PUSH_AIL_RESTARTSVlad Apostolov2007-02-101-1/+1
| | | | | | | | | | | | | | | | | | SGI-PV: 959264 SGI-Modid: xfs-linux-melb:xfs-kern:27750a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: David Chatterton <chatz@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] remove unused filp from ioctl functionsLachlan McIlroy2007-02-101-11/+5
| | | | | | | | | | | | | | | | | | SGI-PV: 959140 SGI-Modid: xfs-linux-melb:xfs-kern:27712a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] mraccessf & mrupdatef are supposed to be the "flags" versions of theLachlan McIlroy2007-02-101-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | functions, but they a) ignore the flags parameter completely, and b) are never called directly, only via the flag-less defines anyway So, drop the #define indirection, and rename mraccessf to mraccess, etc. SGI-PV: 959138 SGI-Modid: xfs-linux-melb:xfs-kern:27711a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] remove unused xflags parameter from sync routinesLachlan McIlroy2007-02-103-16/+8
| | | | | | | | | | | | | | | | | | SGI-PV: 959137 SGI-Modid: xfs-linux-melb:xfs-kern:27710a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] fix sparse warning in xfs_da_btree.cLachlan McIlroy2007-02-101-2/+1
| | | | | | | | | | | | | | | | | | SGI-PV: 954580 SGI-Modid: xfs-linux-melb:xfs-kern:27702a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] use struct kvec in struct uioLachlan McIlroy2007-02-102-3/+3
| | | | | | | | | | | | | | | | | | SGI-PV: 954580 SGI-Modid: xfs-linux-melb:xfs-kern:27701a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
| * [XFS] Fix UP build breakage due to undefined m_icsb_mutex.David Chinner2007-02-102-11/+33
| | | | | | | | | | | | | | | | | | SGI-PV: 952227 SGI-Modid: xfs-linux-melb:xfs-kern:27692a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
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