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2007-07-10NFS: Clean up nfs_size_to_loff_t()Chuck Lever
Use the same file size limit that lockd uses. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFSv4: Defer inode revalidation when setting up a delegationTrond Myklebust
Currently we force a synchronous call to __nfs_revalidate_inode() in nfs_inode_set_delegation(). This not only ensures that we cannot call nfs_inode_set_delegation from an asynchronous context, but it also slows down any call to open(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFSv4: Reduce the chances of an open_owner identifier collisionTrond Myklebust
Currently we just use a 32-bit counter. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFSv4: Don't reuse expired nfs4_state_owner structsTrond Myklebust
That just confuses certain NFSv4 servers. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Replace NFS_I(inode)->req_lock with inode->i_lockTrond Myklebust
There is no justification for keeping a special spinlock for the exclusive use of the NFS writeback code. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Remove the tk_auth macro...Trond Myklebust
We should almost always be deferencing the rpc_auth struct by means of the credential's cr_auth field instead of the rpc_clnt->cl_auth anyway. Fix up that historical mistake, and remove the macro that propagated it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Convert gss_ctx_lock to an RCU lockTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Convert the credential garbage collector into a shrinker callbackTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Give credential cache a local spinlockTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Convert the credcache lookup code to use RCUTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: cleanup rpc credential cache garbage collectionTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Enforce atomic updates of rpc_cred->cr_flagsTrond Myklebust
Convert to the use of atomic bitops... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Clean up rpc credential initialisationTrond Myklebust
Add a helper rpc_cred_init() Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Mark auth and cred operation tables as constant.Trond Myklebust
Also do the same for gss_api operation tables. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Rename rpcauth_destroy() to rpcauth_release()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Add the helper function 'rpc_call_null()'Trond Myklebust
Does a NULL RPC call and returns a pointer to the resulting rpc_task. The call may be either synchronous or asynchronous. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Make rpc_ping() staticTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Fix a memory leak in the auth credcache codeTrond Myklebust
The leak only affects the RPCSEC_GSS caches, since they are the only ones that are dynamically allocated... Rename the existing rpcauth_free_credcache() to rpcauth_clear_credcache() in order to better describe its role, then add a new function rpcauth_destroy_credcache() that actually frees the cache in addition to clearing it out. Also move the call to destroy the credcache in gss_destroy() to come before the rpc upcall pipe is unlinked. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Add a field to track the number of kernel users of an rpc_pipeTrond Myklebust
This allows us to correctly deduce when we need to remove the pipe. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Add a downcall queue to struct rpc_inodeTrond Myklebust
Currently, the downcall queue is tied to the struct gss_auth, which means that different RPCSEC_GSS pseudoflavours must use different upcall pipes. Add a list to struct rpc_inode that can be used instead. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Add a backpointer from the struct rpc_cred to the rpc_authTrond Myklebust
Cleans up an issue whereby rpcsec_gss uses the rpc_clnt->cl_auth. If we want to be able to add several rpc_auths to a single rpc_clnt, then this abuse must go. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Move rpc_register_client and friends into net/sunrpc/clnt.cTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Remove redundant calls to rpciod_up()/rpciod_down()Trond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Remove rpc_clnt->cl_countTrond Myklebust
The kref now does most of what cl_count + cl_user used to do. The only remaining role for cl_count is to tell us if we are in a 'shutdown' phase. We can provide that information using a single bit field instead of a full atomic counter. Also rename rpc_destroy_client() to rpc_close_client(), which reflects better what its role is these days. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Kill rpc_clnt->cl_oneshotTrond Myklebust
Replace it with explicit calls to rpc_shutdown_client() or rpc_destroy_client() (for the case of asynchronous calls). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Kill rpc_clnt->cl_deadTrond Myklebust
Its use is at best racy, and there is only one user (lockd), which has additional locking that makes the whole thing redundant. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Convert rpc_clnt->cl_users to a krefTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Add a per-rpc_clnt spinlockTrond Myklebust
Use that to protect the rpc_clnt->cl_tasks list instead of using a global lock. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10SUNRPC: Move rpc_task->tk_task list into struct rpc_clntTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Convert struct nfs_open_context to use a krefTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Prevent integer overflow in nfs_scan_list()Trond Myklebust
Also ensure that nfs_inode ncommit and npages are large enough to represent all possible values for the number of pages. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Remove the redundant 'dirty' and 'commit' lists from nfs_inodeTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS cleanup: speed up nfs_scan_commit using radix tree tagsTrond Myklebust
Add a tag for requests that are waiting for a COMMIT Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS cleanup: Rename NFS_PAGE_TAG_WRITEBACK to NFS_PAGE_TAG_LOCKEDTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Convert struct nfs_page to use krefsTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS4: on a O_EXCL OPEN make sure SETATTR sets the fields holding the verifierJeff Layton
The Linux NFS4 client simply skips over the bitmask in an O_EXCL open call and so it doesn't bother to reset any fields that may be holding the verifier. This patch has us save the first two words of the bitmask (which is all the current client has #defines for). The client then later checks this bitmask and turns on the appropriate flags in the sattr->ia_verify field for the following SETATTR call. This patch only currently checks to see if the server used the atime and mtime slots for the verifier (which is what the Linux server uses for this). I'm not sure of what other fields the server could reasonably use, but adding checks for others should be trivial. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10NFS: Replace vfsmount and dentry in nfs_open_context with struct pathTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2007-07-10Make common helpers for seq_files that work with list_headsPavel Emelianov
Many places in kernel use seq_file API to iterate over a regular list_head. The code for such iteration is identical in all the places, so it's worth introducing a common helpers. This makes code about 300 lines smaller: The first version of this patch made the helper functions static inline in the seq_file.h header. This patch moves them to the fs/seq_file.c as Andrew proposed. The vmlinux .text section sizes are as follows: 2.6.22-rc1-mm1: 0x001794d5 with the previous version: 0x00179505 with this patch: 0x00179135 The config file used was make allnoconfig with the "y" inclusion of all the possible options to make the files modified by the patch compile plus drivers I have on the test node. This patch: Many places in kernel use seq_file API to iterate over a regular list_head. The code for such iteration is identical in all the places, so it's worth introducing a common helpers. Signed-off-by: Pavel Emelianov <xemul@openvz.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-10Add LZO1X algorithm to the kernelRichard Purdie
This is a hybrid version of the patch to add the LZO1X compression algorithm to the kernel. Nitin and myself have merged the best parts of the various patches to form this version which we're both happy with (and are jointly signing off). The performance of this version is equivalent to the original minilzo code it was based on. Bytecode comparisons have also been made on ARM, i386 and x86_64 with favourable results. There are several users of LZO lined up including jffs2, crypto and reiser4 since its much faster than zlib. Signed-off-by: Nitin Gupta <nitingupta910@gmail.com> Signed-off-by: Richard Purdie <rpurdie@openedhand.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-10Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: mmc: at91_mci: fix hanging and rework to match flowcharts mmc: at91_mci typo sdhci: Fix "Unexpected interrupt" handling mmc: fix silly copy-and-paste error mmc: move layer init and workqueue to core file mmc: refactor host class handling mmc: refactor bus operations sdhci: add ene controller id mmc: bounce requests for simple hosts
2007-07-10Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (32 commits) [libata] sata_mv: print out additional chip info during probe [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info [libata] AHCI: Add support for Marvell AHCI-like chips (initially 6145) [libata] Clean up driver udma_mask initializers libata: Support chips with 64K PRD quirk Add a PCI ID for santa rosa's PATA controller. sata_sil24: sil24_interrupt() micro-optimisation Add irq_flags to struct pata_platform_info sata_promise: cleanups [libata] pata_ixp4xx: kill unused var ata_piix: fix pio/mwdma programming [libata] ahci: minor internal cleanups [ATA] Add named constant for ATAPI command DEVICE RESET [libata] sata_sx4, sata_via: minor documentation updates [libata] ahci: minor internal cleanups [libata] ahci: Factor out SATA port init into a separate function [libata] pata_sil680: minor cleanups from benh [libata] sata_sx4: named constant cleanup [libata] pata_ixp4xx: convert to new EH [libata] pdc_adma: Reorder initializers with a couple structs ...
2007-07-10Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (62 commits) [MIPS] PNX8550: Cleanup proc code. [MIPS] WRPPMC: Fix build. [MIPS] Yosemite: Fix modpost warnings. [MIPS] Change names of local variables to silence sparse [MIPS] SB1: Fix modpost warning. [MIPS] PNX: Fix modpost warnings. [MIPS] Alchemy: Fix modpost warnings. [MIPS] Non-FPAFF: Fix warning. [MIPS] DEC: Fix modpost warning. [MIPS] MIPSsim: Enable MIPSsim virtual network driver. [MIPS] Delete Ocelot 3 support. [MIPS] remove LASAT Networks platforms support [MIPS] Early check for SMTC kernel on non-MT processor [MIPS] Add debugfs files to show fpuemu statistics [MIPS] Add some debugfs files to debug unaligned accesses [MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs [MIPS] tc35815: Load MAC address via platform_device [MIPS] Move FPU affinity code into separate file. [MIPS] Make ioremap() work on TX39/49 special unmapped segment [MIPS] rbtx4938: Update and minimize defconfig ...
2007-07-10Merge git://git.infradead.org/~dwmw2/battery-2.6Linus Torvalds
* git://git.infradead.org/~dwmw2/battery-2.6: [BATTERY] ds2760 W1 slave [BATTERY] One Laptop Per Child power/battery driver [BATTERY] Apple PMU driver [BATTERY] 1-Wire ds2760 chip battery driver [BATTERY] APM emulation driver for class batteries [BATTERY] pda_power platform driver [BATTERY] Universal power supply class (was: battery class)
2007-07-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmwLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (57 commits) [GFS2] Accept old format NFS filehandles [GFS2] Small fixes to logging code [DLM] dump more lock values [GFS2] Remove i_mode passing from NFS File Handle [GFS2] Obtaining no_formal_ino from directory entry [GFS2] git-gfs2-nmw-build-fix [GFS2] System won't suspend with GFS2 file system mounted [GFS2] remounting w/o acl option leaves acls enabled [GFS2] inode size inconsistency [DLM] Telnet to port 21064 can stop all lockspaces [GFS2] Fix gfs2_block_truncate_page err return [GFS2] Addendum to the journaled file/unmount patch [GFS2] Simplify multiple glock aquisition [GFS2] assertion failure after writing to journaled file, umount [GFS2] Use zero_user_page() in stuffed_readpage() [GFS2] Remove bogus '\0' in rgrp.c [GFS2] Journaled file write/unstuff bug [DLM] don't require FS flag on all nodes [GFS2] Fix deallocation issues [GFS2] return conflicts for GETLK ...
2007-07-10Merge branch 'splice-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'splice-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-block: pipe: add documentation and comments pipe: change the ->pin() operation to ->confirm() Remove remnants of sendfile() xip sendfile removal splice: completely document external interface with kerneldoc sendfile: remove bad_sendfile() from bad_file_ops shmem: convert to using splice instead of sendfile() relay: use splice_to_pipe() instead of open-coding the pipe loop pipe: allow passing around of ops private pointer splice: divorce the splice structure/function definitions from the pipe header splice: relay support sendfile: convert nfsd to splice_direct_to_actor() sendfile: convert nfs to using splice_read() loop: convert to using splice_direct_to_actor() instead of sendfile() splice: add void cookie to the actor data sendfile: kill generic_file_sendfile() sendfile: remove .sendfile from filesystems that use generic_file_sendfile() sys_sendfile: switch to using ->splice_read, if available vmsplice: add vmsplice-to-user support splice: abstract out actor data
2007-07-10Merge branch 'trivial-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-blockLinus Torvalds
* 'trivial-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-block: Documentation/block/barrier.txt is not in sync with the actual code: - blk_queue_ordered() no longer has a gfp_mask parameter - blk_queue_ordered_locked() no longer exists - sd_prepare_flush() looks slightly different Use list_for_each_entry() instead of list_for_each() in the block device Make a "menuconfig" out of the Kconfig objects "menu, ..., endmenu", block/Kconfig already has its own "menuconfig" so remove these Use menuconfigs instead of menus, so the whole menu can be disabled at once cfq-iosched: fix async queue behaviour unexport bio_{,un}map_user Remove legacy CDROM drivers [PATCH] fix request->cmd == INT cases cciss: add new controller support for P700m [PATCH] Remove acsi.c [BLOCK] drop unnecessary bvec rewinding from flush_dry_bio_endio [PATCH] cdrom_sysctl_info fix blk_hw_contig_segment(): bad segment size checks [TRIVIAL PATCH] Kill blk_congestion_wait() stub for !CONFIG_BLOCK
2007-07-10[MIPS] Delete Ocelot 3 support.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10cfq-iosched: fix async queue behaviourJens Axboe
With the cfq_queue hash removal, we inadvertently got rid of the async queue sharing. This was not intentional, in fact CFQ purposely shares the async queue per priority level to get good merging for async writes. So put some logic in cfq_get_queue() to track the shared queues. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-10[BATTERY] pda_power platform driverAnton Vorontsov
Common power driver for PDAs and phones with one or two external power supplies (AC/USB) connected to main and backup batteries, and optional builtin charger. It's used to stop logic duplication through different embedded devices. So, power supply *logic* is here. pda_power register power supplies, and will take care about notifying batteries about power changes through external power interface. Currently, power consumption legal limits (including USB power consumption) should be handled by platform code, inside set_charge function. Signed-off-by: Anton Vorontsov <cbou@mail.ru> Signed-off-by: Roman Moravcik <roman.moravcik@gmail.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2007-07-10[BATTERY] Universal power supply class (was: battery class)Anton Vorontsov
This class is result of "external power" and "battery" classes merge, as suggested by David Woodhouse. He also implemented uevent support. Here how userspace seeing it now: # ls /sys/class/power\ supply/ ac main-battery usb # cat /sys/class/power\ supply/ac/type AC # cat /sys/class/power\ supply/usb/type USB # cat /sys/class/power\ supply/main-battery/type Battery # cat /sys/class/power\ supply/ac/online 1 # cat /sys/class/power\ supply/usb/online 0 # cat /sys/class/power\ supply/main-battery/status Charging # cat /sys/class/leds/h5400\:red-left/trigger none h5400-radio timer hwtimer ac-online usb-online main-battery-charging-or-full [main-battery-charging] main-battery-full Signed-off-by: Anton Vorontsov <cbou@mail.ru> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>