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2005-10-28[ARM] 2990/1: Replace map_desc.physical with map_desc.pfn: S3C2410Deepak Saxena
Patch from Deepak Saxena S3C2410 map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2989/1: Replace map_desc.physical with map_desc.pfn: RiscPCDeepak Saxena
Patch from Deepak Saxena RiscPC map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2988/1: Replace map_desc.physical with map_desc.pfn: PXADeepak Saxena
Patch from Deepak Saxena PXA map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2987/1: Replace map_desc.physical with map_desc.pfn: OMAPDeepak Saxena
Patch from Deepak Saxena OMAP map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2986/1: Replace map_desc.physical with map_desc.pfn: LH7A40xDeepak Saxena
Patch from Deepak Saxena LH7A40x map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2985/1: Replace map_desc.physical with map_desc.pfn: IXP4xxDeepak Saxena
Patch from Deepak Saxena IXP4xx map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2984/1: Replace map_desc.physical with map_desc.pfn: IXP2000Deepak Saxena
Patch from Deepak Saxena IXP2000 map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2983/1: Replace map_desc.physical with map_desc.pfn: IOP3xxDeepak Saxena
Patch from Deepak Saxena IOP3xx map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2982/1: Replace map_desc.physical with map_desc.pfn: aaec2000Deepak Saxena
Patch from Deepak Saxena aaec2000 map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 4/4 Combine oprofile common and init codeRussell King
There is nothing special about having the init code separate from the common code, so combine the two. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 3/4 Rename common oprofile codeRussell King
The common oprofile code assumes the name "PMU" (from Intel's performance management unit). This is misleading when we start adding oprofile support for other machine types which don't use the same terminology. Call it op_arm_* instead of pmu_*. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2/4 Fix oprofile suspend/resumeRussell King
The oprofile suspend/resume was missing locking. If we failed to start oprofile on resume, we still reported that it was enabled. Instead, disable oprofile on error. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 1/4 Move oprofile driver model codeRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] Re-jig bootmem initialisationRussell King
Make ARM independent of the way bootmem operates internally. We now map each node as we initialise it, and place the bootmem bitmap inside each node, rather than all in the first node. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] Fix sparse warningsRussell King
Fix sparse warnings in arch/arm/kernel/module.c, arch/arm/mm/consistent.c, drivers/pcmcia/sa1111_generic.c, and platform support files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 3/4: Remove asm/hardware.h from SA1100 io.hRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 3/4: Remove asm/hardware.h from Versatile and Integrator io.hRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 2/4: Remove asm/hardware.h from asm-arm/arch-ebsa110/io.hRussell King
EBSA110 only requires hardware.h to be included for a couple of files. Move the include there. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[ARM] 1/4: Move include of asm/hardware.h to asm-arm/arch-*/io.hRussell King
Including asm/hardware.h into asm/io.h can cause #define clashes between platform specific definitions and driver local definitions. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-28[BLOCK] Leftover reference to ->max_back_kbJens Axboe
Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] elevator switch fixes/cleanupJens Axboe
- 100msec sleep is a little excessive, lots of requests can complete in that timeframe. Use 10msec instead. - Rename QUEUE_FLAG_BYPASS to QUEUE_FLAG_ELVSWITCH to indicate what is going on. Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] Reimplement elevator switchTejun Heo
This patch reimplements elevator switch. This patch assumes generic dispatch queue patchset is applied. * Each request is tagged with REQ_ELVPRIV flag if it has its elevator private data set. * Requests which doesn't have REQ_ELVPRIV flag set never enter iosched. They are always directly back inserted to dispatch queue. Of course, elevator_put_req_fn is called only for requests which have its REQ_ELVPRIV set. * Request queue maintains the current number of requests which have its elevator data set (elevator_set_req_fn called) in q->rq->elvpriv. * If a request queue has QUEUE_FLAG_BYPASS set, elevator private data is not allocated for new requests. To switch to another iosched, we set QUEUE_FLAG_BYPASS and wait until elvpriv goes to zero; then, we attach the new iosched and clears QUEUE_FLAG_BYPASS. New implementation is much simpler and main code paths are less cluttered, IMHO. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[BLOCK] kill generic max_back_kb handlingTejun Heo
This patch kills max_back_kb handling from elv_dispatch_sort() and kills max_back_kb field from struct request_queue. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 05/05 update biodoc to match new generic dispatch apiTejun Heo
Updates biodoc to reflect changes in elevator API Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 04/05 remove last_merge handling from ioschedsTejun Heo
Remove last_merge handling from all ioscheds. This patch removes merging capability of noop iosched. Signed-off-by: Tejun Heo <htejun@gmail.com>
2005-10-28[PATCH] 03/05 move last_merge handlin into generic elevator codeTejun Heo
Currently, both generic elevator code and specific ioscheds participate in the management and usage of last_merge. This and the following patches move last_merge handling into generic elevator code. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 02/05: update ioscheds to use generic dispatch queueJens Axboe
This patch updates all four ioscheds to use generic dispatch queue. There's one behavior change in as-iosched. * In as-iosched, when force dispatching (ELEVATOR_INSERT_BACK), batch_data_dir is reset to REQ_SYNC and changed_batch and new_batch are cleared to zero. This prevernts AS from doing incorrect update_write_batch after the forced dispatched requests are finished. * In cfq-iosched, cfqd->rq_in_driver currently counts the number of activated (removed) requests to determine whether queue-kicking is needed and cfq_max_depth has been reached. With generic dispatch queue, I think counting the number of dispatched requests would be more appropriate. * cfq_max_depth can be lowered to 1 again. Original from Tejun Heo, modified version applied. Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] elevator: leftover function declarationJens Axboe
Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] generic dispatch fixesJens Axboe
- Split elv_dispatch_insert() into two functions - Rename rq_last_sector() to rq_end_sector() Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] 01/05 Implement generic dispatch queueTejun Heo
Implements generic dispatch queue which can replace all dispatch queues implemented by each iosched. This reduces code duplication, eases enforcing semantics over dispatch queue, and simplifies specific ioscheds. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[PATCH] fix try_module_get race in elevator_findTejun Heo
This patch removes try_module_get race in elevator_find. try_module_get should always be called with the spinlock protecting what the module init/cleanup routines register/unregister to held. In the case of elevators, we should be holding elv_list to avoid it going away between spin_unlock_irq and try_module_get. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28Following the same idea, it occurs to me that we should only updateChen, Kenneth W
disk stat when "now" is different from disk->stamp. Otherwise, we are again needlessly adding zero to the stats. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-28[patch] remove gendisk->stamp_idle fieldChen, Kenneth W
struct gendisk has these two fields: stamp, stamp_idle. Update to stamp_idle is always in sync with stamp and they are always the same. Therefore, it does not add any value in having two fields tracking same timestamp. Suggest to remove it. Also, we should only update gendisk stats with non-zero value. Advantage is that we don't have to needlessly calculate memory address, and then add zero to the content. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Signed-off-by: Jens Axboe <axboe@suse.de>
2005-10-27Merge /home/trondmy/scm/kernel/git/torvalds/linux-2.6Trond Myklebust
2005-10-27RPC: Ensure that nobody can queue up new upcalls after rpc_close_pipes()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Allow files that are open for write to invalidate cachesTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Convert unnecessary XDR warning messages into dprintk()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to NFSv4 write and commit callbacks.Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_remove()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_rename()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add post-op attributes to nfs4_proc_link()Trond Myklebust
Optimise attribute revalidation when hardlinking. Add post-op attributes for the directory and the original inode. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Ensure that nfs_link() instantiates the dentry correctlyTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Add optional post-op getattr instruction to the NFSv4 file close.Trond Myklebust
"Optional" means that the close call will not fail if the getattr at the end of the compound fails. If it does succeed, try to refresh inode attributes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Optimise attribute revalidation on close().Trond Myklebust
Only force a getattr in nfs_file_flush() if the attribute cache is stale. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFSv4: Add directory post-op attributes to the CREATE operations.Trond Myklebust
Since the directory attributes change every time we CREATE a file, we might as well pick up the new directory attributes in the same compound. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: nfs_lookup doesn't need to revalidate the parent directory's inodeChuck Lever
nfs_lookup() used to consult a lookup cache before trying an actual wire lookup operation. The lookup cache would be invalid, of course, if the parent directory's mtime had changed, so nfs_lookup performed an inode revalidation on the parent. Since nfs_lookup() doesn't use a cache anymore, the revalidation is no longer necessary. There are cases where it will generate a lot of unnecessary GETATTR traffic. See http://bugzilla.linux-nfs.org/show_bug.cgi?id=9 Test-plan: Use lndir and "rm -rf" and watch for excess GETATTR traffic or application level errors. Signed-off-by: Chuck Lever <cel@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Don't let nfs_end_data_update() clobber attribute update informationTrond Myklebust
Since we almost always call nfs_end_data_update() after we called nfs_refresh_inode(), we now end up marking the inode metadata as needing revalidation immediately after having updated it. This patch rearranges things so that we mark the inode as needing revalidation _before_ we call nfs_refresh_inode() on those operations that need it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Optimise inode attribute cache updatesTrond Myklebust
Allow nfs_refresh_inode() also to update attributes on the inode if the RPC call was sent after the last call to nfs_update_inode(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Convert cache_change_attribute into a jiffy-based valueTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2005-10-27NFS: Cleanup initialisation of struct nfs_fattrTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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