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* include/linux/: Spelling fixesJoe Perches2008-02-03
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* time: delete comments that refer to noexistent symbolsLi Zefan2008-02-03
| | | | | | | | | Function do_timer_interrupt_hook() don't take argument regs, and structure hrtimer_sleeper don't have member cb_pending. So delete comments refering to these symbols. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* radix_tree.h trivial comment correctionTim Pepper2008-02-03
| | | | | | | | | There is an unmatched parenthesis in the locking commentary of radix_tree.h which is trivially fixed by the patch below. Signed-off-by: Tim Pepper <lnxninja@linux.vnet.ibm.com> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* Spelling fixes: lenght->lengthPaulius Zaleckas2008-02-03
| | | | | Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* Fix a small number of "memeber" typoes.Robert P. J. Day2008-02-03
| | | | | Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* linux/dma-mapping.h: rename macro to prevent multiple inclusionRobert P. J. Day2008-02-03
| | | | | | | | | Having the macro to prevent multiple inclusion of include/linux/dma-mapping.h contain the prefix "_ASM" is just begging for possible confusion some day. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@kernel.org>
* ide: move check_dma_crc() to ide-dma.cBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | * Move check_dma_crc() to ide-dma.c and add inline version for CONFIG_BLK_DEV_IDEDMA=n case. * Rename check_dma_crc() to ide_check_dma_crc(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove ide_ata66_check()Bartlomiej Zolnierkiewicz2008-02-02
| | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove set_transfer()Bartlomiej Zolnierkiewicz2008-02-02
| | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove SATA_*_REG macrosBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | * siimage.c: use hwif->sata_scr[SATA_{ERROR,STATUS}_OFFSET] instead of SATA_{ERROR,STATUS}_REG macros. * Remove no longer needed SATA_*_REG macros. While at it: * Remove needless SATA Status register read from sil_sata_reset_poll(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove ->nice0 and ->nice2 fields from ide_drive_tBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | * ->nice0 and ->nice2 ide_drive_t fields are always zero so remove them. * IDE_NICE_0 and IDE_NICE_2 defines from <linux/hdreg.h> are no longer used by any kernel code so cover them with #ifndef/#endif __KERNEL__. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: convert ->straight8 field in ide_hwif_t to bit flagBartlomiej Zolnierkiewicz2008-02-02
| | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: remove unused ->auto_poll field from ide_hwif_tBartlomiej Zolnierkiewicz2008-02-02
| | | | | Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: move create_proc_ide_drives() call to ide_device_add_all()Bartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | * Un-static create_proc_ide_drives() and call it from ide_device_add_all(). While at it: * Rename create_proc_ide_drives() to ide_proc_port_register_devices(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: factor out devices setup from ide_acpi_init()Bartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | * Factor out devices setup from ide_acpi_init() to ide_acpi_port_init_devices(). * Call ide_acpi_port_init_devices() in ide_device_add_all(). While at it: * Remove no longer needed 'drive' field from struct ide_acpi_drive_link. There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add ->port_init_devs method to ide_hwif_tBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | * Add ->port_init_devs method to ide_hwif_t for a host specific initialization of devices on a port. Call the new method from ide_port_init_devices(). * Convert ht6560b, qd65xx and opti621 host drivers to use the new ->port_init_devs method. There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add IDE_HFLAG_NO_{IO32_BIT,UNMASK_IRQS} host flagsBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | | * Use the same bit for IDE_HFLAG_CS5520 and IDE_HFLAG_VDMA host flags (both are used only by cs5520 host driver currently). * Add IDE_HFLAG_NO_IO32_BIT host flag and use it instead of ->no_io_32bit ide_hwif_t field. * Add IDE_HFLAG_NO_UNMASK_IRQS host flag, then convert dtc2278 and rz1000 host drivers to use it. There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add ide_deprecated_find_port() helperBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | | | * Factor out code for finding ide_hwifs[] slot from ide_register_hw() to ide_deprecated_find_port(). * Convert bast-ide, ide-cs and delkin_cb host drivers to use ide_device_add() instead of ide_register_hw() (while at it drop doing "ide_unregister()" loop which tries to unregister _all_ IDE interfaces if useable ide_hwifs[] slot cannot be find). This patch leaves us with only two ide_register_hw() users: - drivers/macintosh/mediabay.c - drivers/ide/ide.c Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add 'init_default' and 'restore' arguments to ide_unregister()Bartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | | | * Add 'init_default' (flag for calling init_hwif_default()) and 'restore' (flag for calling ide_hwif_restore()) arguments to ide_unregister(). * Update ide_unregister() users to set 'init_default' and 'restore' flags. * No need to set 'init_default' flag in ide_register_hw() if the setup done by init_hwif_default() is going to be overridden by ide_init_port_hw(). * No need to set 'init_default' and 'restore' flags in cleanup_module(). There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide-floppy: use an xfer_func_t and io_buf_t typedefs in order to unify rwBorislav Petkov2008-02-02
| | | | | | | | | | | Also, move xfer_func_t typedef to the ide.h since it is used by two drivers now (more coming). Bart: - use __func__ while at it Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add ->cable_detect method to ide_hwif_tBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add ->cable_detect method to ide_hwif_t. * Call the new method in ide_init_port() if: - the host supports UDMA modes > UDMA2 ('hwif->ultra_mask & 78') - DMA initialization was successful (if hwif->dma_base is not set ide_init_port() sets hwif->ultra_mask to zero) - "idex=ata66" is not used ('hwif->cbl != ATA_CBL_PATA40_SHORT') * Convert PCI host drivers to use ->cable_detect method. While at it: * Factor out cable detection to separate functions (if not already done). * hpt366.c/it8213.c/slc90e66.c: - don't check cable type if "idex=ata66" is used * pdc202xx_new.c: - add __devinit tag to pdcnew_cable_detect() * pdc202xx_old.c: - rename pdc202xx_old_cable_detect() to pdc2026x_old_cable_detect() - add __devinit tag to pdc2026x_old_cable_detect() Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* ide: add struct ide_port_info instances to legacy host driversBartlomiej Zolnierkiewicz2008-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove 'struct pci_dev *dev' argument from ide_hwif_setup_dma(). * Un-static ide_hwif_setup_dma() and add CONFIG_BLK_DEV_IDEDMA_PCI=n version. * Add 'const struct ide_port_info *d' argument to ide_device_add[_all](). * Factor out generic ports init from ide_pci_setup_ports() to ide_init_port(), move it to ide-probe.c and call it in in ide_device_add_all() instead of ide_pci_setup_ports(). * Move ->mate setup to ide_device_add_all() from ide_port_init(). * Add IDE_HFLAG_NO_AUTOTUNE host flag for host drivers that don't enable ->autotune currently. * Setup hwif->chipset in ide_init_port() but iff pi->chipset is set (to not override setup done by ide_hwif_configure()). * Add ETRAX host handling to ide_device_add_all(). * cmd640.c: set IDE_HFLAG_ABUSE_* also for CONFIG_BLK_DEV_CMD640_ENHANCED=n. * pmac.c: make pmac_ide_setup_dma() return an error value and move DMA masks setup to pmac_ide_setup_device(). * Add 'struct ide_port_info' instances to legacy host drivers, pass them to ide_device_add() calls and then remove open-coded ports initialization. Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
* Merge git://git.infradead.org/battery-2.6Linus Torvalds2008-02-01
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/battery-2.6: apm_power: check I.intval for zero value, we use it as the divisor MAINTAINERS: remove kernel-discuss@handhelds.org list pda_power: implement polling pda_power: various cleanups apm_power: support using VOLTAGE_* properties for apm calculations pda_power: add suspend/resume support power_supply: add few more values and props pda_power: only register available psu power: fix incorrect unregistration in power_supply_create_attrs error path power: remove POWER_SUPPLY_PROP_CAPACITY_LEVEL [BATTERY] power_supply_leds: use kasprintf [BATTERY] Every file should include the headers containing the prototypes for its global functions.
| * pda_power: implement pollingAnton Vorontsov2008-02-01
| | | | | | | | Signed-off-by: Anton Vorontsov <cbou@mail.ru>
| * power_supply: add few more values and propsDmitry Baryshkov2008-02-01
| | | | | | | | | | | | | | | | Add LiMn (one of the most common for small non-rechargable batteries) battery technology and voltage_min/_max properties support. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Anton Vorontsov <cbou@mail.ru>
| * power: remove POWER_SUPPLY_PROP_CAPACITY_LEVELAndres Salomon2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The CAPACITY_LEVEL stuff defines various levels of charge; however, what is the difference between them? What differentiates between HIGH and NORMAL, LOW and CRITICAL, etc? As it appears that these are fairly arbitrary, we end up making such policy decisions in the kernel (or in hardware). This is the sort of decision that should be made in userspace, not in the kernel. If the hardware does not support _CAPACITY and it cannot be easily calculated, then perhaps the driver should register a custom CAPACITY_LEVEL attribute; however, userspace should not become accustomed to looking for such a thing, and we should certainly not encourage drivers to provide CAPACITY_LEVEL stubs. The following removes support for POWER_SUPPLY_PROP_CAPACITY_LEVEL. The OLPC battery driver is the only driver making use of this, so it's removed from there as well. Signed-off-by: Andres Salomon <dilinger@debian.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linuxLinus Torvalds2008-02-01
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'for-linus' of git://linux-nfs.org/~bfields/linux: (100 commits) SUNRPC: RPC program information is stored in unsigned integers SUNRPC: Move exported symbol definitions after function declaration part 2 NLM: tear down RPC clients in nlm_shutdown_hosts SUNRPC: spin svc_rqst initialization to its own function nfsd: more careful input validation in nfsctl write methods lockd: minor log message fix knfsd: don't bother mapping putrootfh enoent to eperm rdma: makefile rdma: ONCRPC RDMA protocol marshalling rdma: SVCRDMA sendto rdma: SVCRDMA recvfrom rdma: SVCRDMA Core Transport Services rdma: SVCRDMA Transport Module rdma: SVCRMDA Header File svc: Add svc_xprt_names service to replace svc_sock_names knfsd: Support adding transports by writing portlist file svc: Add svc API that queries for a transport instance svc: Add /proc/sys/sunrpc/transport files svc: Add transport hdr size for defer/revisit svc: Move the xprt independent code to the svc_xprt.c file ...
| * | SUNRPC: spin svc_rqst initialization to its own functionJeff Layton2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the initialzation in __svc_create_thread that happens prior to thread creation to a new function. Export the function to allow services to have better control over the svc_rqst structs. Also rearrange the rqstp initialization to prevent NULL pointer dereferences in svc_exit_thread in case allocations fail. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: NeilBrown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | rdma: SVCRMDA Header FileTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This file defines the data types used by the SVCRDMA transport module. The principle data structure is the transport specific extension to the svcxprt structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add svc_xprt_names service to replace svc_sock_namesTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Create a transport independent version of the svc_sock_names function. The toclose capability of the svc_sock_names service can be implemented using the svc_xprt_find and svc_xprt_close services. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add svc API that queries for a transport instanceTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new svc function that allows a service to query whether a transport instance has already been created. This is used in lockd to determine whether or not a transport needs to be created when a lockd instance is brought up. Specifying 0 for the address family or port is effectively a wild-card, and will result in matching the first transport in the service's list that has a matching class name. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add /proc/sys/sunrpc/transport filesTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a file that when read lists the set of registered svc transports. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add transport hdr size for defer/revisitTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some transports have a header in front of the RPC header. The current defer/revisit processing considers only the iov_len and arg_len to determine how much to back up when saving the original request to revisit. Add a field to the rqstp structure to save the size of the transport header so svc_defer can correctly compute the start of a request. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Move the xprt independent code to the svc_xprt.c fileTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This functionally trivial patch moves all of the transport independent functions from the svcsock.c file to the transport independent svc_xprt.c file. In addition the following formatting changes were made: - White space cleanup - Function signatures on single line - The inline directive was removed - Lines over 80 columns were reformatted - The term 'socket' was changed to 'transport' in comments - The SMP comment was moved and updated. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Removing remaining references to rq_sock in rqstpTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This functionally empty patch removes rq_sock and unamed union from rqstp structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Move the sockaddr information to svc_xprtTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves the transport sockaddr to the svc_xprt structure. Convenience functions are added to set and get the local and remote addresses of a transport from the transport provider as well as determine the length of a sockaddr. A transport is responsible for setting the xpt_local and xpt_remote addresses in the svc_xprt structure as part of transport creation and xpo_accept processing. This cannot be done in a generic way and in fact varies between TCP, UDP and RDMA. A set of xpo_ functions (e.g. getlocalname, getremotename) could have been added but this would have resulted in additional caching and copying of the addresses around. Note that the xpt_local address should also be set on listening endpoints; for TCP/RDMA this is done as part of endpoint creation. For connected transports like TCP and RDMA, the addresses never change and can be set once and copied into the rqstp structure for each request. For UDP, however, the local and remote addresses may change for each request. In this case, the address information is obtained from the UDP recvmsg info and copied into the rqstp structure from there. A svc_xprt_local_port function was also added that returns the local port given a transport. This is used by svc_create_xprt when returning the port associated with a newly created transport, and later when creating a generic find transport service to check if a service is already listening on a given port. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Make deferral processing xprt independentTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves the transport independent sk_deferred list to the svc_xprt structure and updates the svc_deferred_req structure to keep pointers to svc_xprt's directly. The deferral processing code is also moved out of the transport dependent recvfrom functions and into the generic svc_recv path. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Move the authinfo cache to svc_xprt.Tom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the authinfo cache to svc_xprt. This allows both the TCP and RDMA transports to share this logic. A flag bit is used to determine if auth information is to be cached or not. Previously, this code looked at the transport protocol. I've also changed the spin_lock/unlock logic so that a lock is not taken for transports that are not caching auth info. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Remove sk_lastrecvTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With the implementation of the new mark and sweep algorithm for shutting down old connections, the sk_lastrecv field is no longer needed. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Change svc_sock_received to svc_xprt_received and export itTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All fields touched by svc_sock_received are now transport independent. Change it to use svc_xprt directly. This function is called from transport dependent code, so export it. Update the comment to clearly state the rules for calling this function. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Make svc_send transport neutralTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the sk_mutex field to the transport independent svc_xprt structure. Now all the fields that svc_send touches are transport neutral. Change the svc_send function to use the transport independent svc_xprt directly instead of the transport dependent svc_sock structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Move sk_reserved to svc_xprtTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This functionally trivial patch moves the sk_reserved field to the transport independent svc_xprt structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Make close transport independentTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move sk_list and sk_ready to svc_xprt. This involves close because these lists are walked by svcs when closing all their transports. So I combined the moving of these lists to svc_xprt with making close transport independent. The svc_force_sock_close has been changed to svc_close_all and takes a list as an argument. This removes some svc internals knowledge from the svcs. This code races with module removal and transport addition. Thanks to Simon Holm Thøgersen for a compile fix. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Simon Holm Thøgersen <odie@cs.aau.dk>
| * | svc: Move sk_server and sk_pool to svc_xprtTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is another incremental change that moves transport independent fields from svc_sock to the svc_xprt structure. The changes should be functionally null. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Move sk_flags to the svc_xprt structureTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This functionally trivial change moves the transport independent sk_flags field to the transport independent svc_xprt structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Change sk_inuse to a krefTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the atomic_t reference count to a kref and move it to the transport indepenent svc_xprt structure. Change the reference count wrapper names to be generic. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Change services to use new svc_create_xprt serviceTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Modify the various kernel RPC svcs to use the svc_create_xprt service. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add a generic transport svc_create_xprt functionTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The svc_create_xprt function is a transport independent version of the svc_makesock function. Since transport instance creation contains transport dependent and independent components, add an xpo_create transport function. The transport implementation of this function allocates the memory for the endpoint, implements the transport dependent initialization logic, and calls svc_xprt_init to initialize the transport independent field (svc_xprt) in it's data structure. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add xpo_accept transport functionTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, the accept logic looked into the socket state to determine whether to call accept or recv when data-ready was indicated on an endpoint. Since some transports don't use sockets, this logic now uses a flag bit (SK_LISTENER) to identify listening endpoints. A transport function (xpo_accept) allows each transport to define its own accept processing. A transport's initialization logic is reponsible for setting the SK_LISTENER bit. I didn't see any way to do this in transport independent logic since the passive side of a UDP connection doesn't listen and always recv's. In the svc_recv function, if the SK_LISTENER bit is set, the transport xpo_accept function is called to handle accept processing. Note that all functions are defined even if they don't make sense for a given transport. For example, accept doesn't mean anything for UDP. The function is defined anyway and bug checks if called. The UDP transport should never set the SK_LISTENER bit. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| * | svc: Add a transport function that checks for write spaceTom Tucker2008-02-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to avoid blocking a service thread, the receive side checks to see if there is sufficient write space to reply to the request. Each transport has a different mechanism for determining if there is enough write space to reply. The code that checked for write space was coupled with code that checked for CLOSE and CONN. These checks have been broken out into separate statements to make the code easier to read. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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