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2007-07-16bsg: add SCSI transport-level request supportFUJITA Tomonori2-6/+27
This enables bsg to handle SCSI transport-level request like SAS management protocol (SMP). - add BSG_SUB_PROTOCOL_{SCSI_CMD, SCSI_TMF, SCSI_TRANSPORT} definitions. - SCSI transport-level requests skip blk_verify_command(). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: add bidi supportFUJITA Tomonori1-25/+49
bsg uses the rq->next_rq pointer for a bidi request. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16add a struct request pointer to the request structureFUJITA Tomonori2-0/+6
This adds a struct request pointer to the request structure for the second data phase (bidi for now). A request queue supporting bidi requests sets QUEUE_FLAG_BIDI. This prevents sending bidi requests to a non-bidi queue. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: fix the deadlock on discarding done commandsFUJITA Tomonori1-0/+1
The previous commit introduced a deadlock in discarding commands, because we forget to unlock the bd spinlock. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: fix a blocking read bugFUJITA Tomonori1-61/+23
This patch fixes a bug that read() returns ENODATA even with a blocking file descriptor when there are no commands pending. This also includes some cleanups. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: minor bug fixesFUJITA Tomonori2-2/+4
This fixes the following minor issues: - add EXPORT_SYMBOL_GPL for bsg_register_queue and bsg_unregister_queue. - shut up gcc warnings Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <axboe@nelson.home.kernel.dk>
2007-07-16improve bsg device allocationFUJITA Tomonori1-8/+41
This patch addresses on two issues on bsg device allocation. - the current maxium number of bsg devices is 256. It's too small if we allocate bsg devices to all SCSI devices, transport entities, etc. This increses the maxium number to 32768 (taken from the sg driver). - SCSI devices are dynamically added and removed. Currently, bsg can't handle it well since bsd_device->minor is simply increased. This is dependent on the patchset that I posted yesterday: http://marc.info/?l=linux-scsi&m=117440208726755&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bind bsg to all SCSI devicesFUJITA Tomonori2-15/+52
This patch binds bsg to all SCSI devices (their request queues) like the current sg driver does. We can send SCSI commands to non disk and cdrom scsi devices like OSD via bsg. This patch removes bsg_register_queue from blk_register_queue so bsg devices aren't bound to non SCSI block devices. If they want bsg, I'll send a patch to do that. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: bind bsg to request_queue instead of gendiskFUJITA Tomonori5-29/+29
This patch binds bsg devices to request_queue instead of gendisk. Any objects (like transport entities) can define own request_handler and create own bsg device. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: add a request_queue argument to scsi_cmd_ioctl()FUJITA Tomonori8-14/+13
bsg uses scsi_cmd_ioctl() for some SCSI/sg ioctl commands. scsi_cmd_ioctl() gets a request queue from a gendisk arguement. This prevents bsg being bound to SCSI devices that don't have a gendisk (like OSD). This adds a request_queue argument to scsi_cmd_ioctl(). The SCSI/sg ioctl commands doesn't use a gendisk so it's safe for any SCSI devices to use scsi_cmd_ioctl(). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: simplify __bsg_alloc_command failpathFUJITA Tomonori1-3/+2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: add cheasy error checks for sysfs stuffJens Axboe1-1/+10
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16Add queue resizing supportJens Axboe1-64/+32
Just get rid of the preallocated command map, use the slab cache to get/free commands instead. Original patch from FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>, changed by me to not use a mempool. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16Replace s32, u32 and u64 with __s32, __u32 and __u64 in bsg.h for userspaceFUJITA Tomonori1-29/+29
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: silence a bogus gcc warningJens Axboe1-1/+1
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: style cleanupJens Axboe1-2/+2
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: use u32 etc instead of uint32_tJens Axboe1-29/+29
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: add SG_IO to SG v4FUJITA Tomonori1-2/+21
This adds SG_IO support to SG v4. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: replace SG v3 with SG v4FUJITA Tomonori1-77/+121
This patch replaces SG v3 in bsg with SG v4 (except for SG_IO). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: add sg_io_v4 structureFUJITA Tomonori1-0/+43
This patch adds sg_io_v4 structure that Doug proposed last month. There's one major change from the RFC. I dropped iovec, which needs compat stuff. The bsg code simply calls blk_rq_map_user against dout_xferp/din_xferp. So if possible, the page frames are directly mapped. If not possible, the block layer allocates new page frames and does memory copies. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16block: export blk_verify_command for SG v4FUJITA Tomonori2-3/+5
blk_fill_sghdr_rq doesn't work for SG v4 so verify_command needed to be exported. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: minor cleanupsFUJITA Tomonori1-7/+6
This just kills linux/config.h and dprintk warnings. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16block: changes for blk_rq_unmap_user new APIFUJITA Tomonori1-12/+1
This converts block/scsi_ioctl.c use blk_rq_unmap_user new API. blk_unmap_sghdr_rq is too simple and it might be better to remove it. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-16bsg: support for full generic block layer SG v3Jens Axboe10-79/+1171
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-07-15Merge git://git.infradead.org/battery-2.6Linus Torvalds10-49/+20
* git://git.infradead.org/battery-2.6: git-battery vs git-acpi Power supply class and drivers: remove non obligatory return statements pda_power: clean up irq, timer MAINTAINERS: Add maintainers for power supply subsystem and drivers Fixed up trivial conflict in drivers/w1/slaves/w1_ds2760.c manually
2007-07-15Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds190-26337/+21725
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits) [SCSI] ibmvscsi: convert to use the data buffer accessors [SCSI] dc395x: convert to use the data buffer accessors [SCSI] ncr53c8xx: convert to use the data buffer accessors [SCSI] sym53c8xx: convert to use the data buffer accessors [SCSI] ppa: coding police and printk levels [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c [SCSI] remove the dead CYBERSTORMIII_SCSI option [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA [SCSI] Clean up scsi_add_lun a bit [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs [SCSI] sni_53c710: Cleanup [SCSI] qla4xxx: Fix underrun/overrun conditions [SCSI] megaraid_mbox: use mutex instead of semaphore [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation. [SCSI] qla2xxx: update version to 8.02.00-k1. [SCSI] qla2xxx: add support for NPIV [SCSI] stex: use resid for xfer len information [SCSI] Add Brownie 1200U3P to blacklist [SCSI] scsi.c: convert to use the data buffer accessors ...
2007-07-15Merge branch 'master' of ↵Linus Torvalds92-1328/+2955
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits) [TCP]: Verify the presence of RETRANS bit when leaving FRTO [IPV6]: Call inet6addr_chain notifiers on link down [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE [NET_SCHED]: act_api: qdisc internal reclassify support [NET_SCHED]: sch_dsmark: act_api support [NET_SCHED]: sch_atm: act_api support [NET_SCHED]: sch_atm: Lindent [IPV6]: MSG_ERRQUEUE messages do not pass to connected raw sockets [IPV4]: Cleanup call to __neigh_lookup() [NET_SCHED]: Revert "avoid transmit softirq on watchdog wakeup" optimization [NETFILTER]: nf_conntrack: UDPLITE support [NETFILTER]: nf_conntrack: mark protocols __read_mostly [NETFILTER]: x_tables: add connlimit match [NETFILTER]: Lower *tables printk severity [NETFILTER]: nf_conntrack: Don't track locally generated special ICMP error [NETFILTER]: nf_conntrack: Introduces nf_ct_get_tuplepr and uses it [NETFILTER]: nf_conntrack: make l3proto->prepare() generic and renames it [NETFILTER]: nf_conntrack: Increment error count on parsing IPv4 header [NET]: Add ethtool support for NETIF_F_IPV6_CSUM devices. [AF_IUCV]: Add lock when updating accept_q ...
2007-07-15Merge branch 'for-linus' of ↵Linus Torvalds36-3130/+3444
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: 9p: fix a race condition bug in umount which caused a segfault 9p: re-enable mount time debug option 9p: cache meta-data when cache=loose net/9p: set error to EREMOTEIO if trans->write returns zero net/9p: change net/9p module name to 9pnet 9p: Reorganization of 9p file system code
2007-07-15Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6Linus Torvalds66-1140/+3263
* 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6: (37 commits) [XFS] Fix lockdep annotations for xfs_lock_inodes [LIB]: export radix_tree_preload() [XFS] Fix XFS_IOC_FSBULKSTAT{,_SINGLE} & XFS_IOC_FSINUMBERS in compat mode [XFS] Compat ioctl handler for handle operations [XFS] Compat ioctl handler for XFS_IOC_FSGEOMETRY_V1. [XFS] Clean up function name handling in tracing code [XFS] Quota inode has no parent. [XFS] Concurrent Multi-File Data Streams [XFS] Use uninitialized_var macro to stop warning about rtx [XFS] XFS should not be looking at filp reference counts [XFS] Use is_power_of_2 instead of open coding checks [XFS] Reduce shouting by removing unnecessary macros from dir2 code. [XFS] Simplify XFS min/max macros. [XFS] Kill off xfs_count_bits [XFS] Cancel transactions on xfs_itruncate_start error. [XFS] Use do_div() on 64 bit types. [XFS] Fix remount,readonly path to flush everything correctly. [XFS] Cleanup inode extent size hint extraction [XFS] Prevent ENOSPC from aborting transactions that need to succeed [XFS] Prevent deadlock when flushing inodes on unmount ...
2007-07-15make i2c-acorn tristateAl Viro2-2/+2
It depends on tristate I2C and it's trivial to make modular. The current Kconfig allows I2C=m, I2C_ACORN=y, which doesn't work at all; alternatives are dependency on I2C=y and making I2C_ACORN itself a tristate. The latter is the right thing to do... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-15icside: devm_iounmap() needs linux/io.hAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-15missing argument in bin_attribute ->read()/->write()Al Viro3-11/+11
Fallout from commit 91a6902958f052358899f58683d44e36228d85c2 ('sysfs: add parameter "struct bin_attribute *" ...') Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15fallout from constified seq_operationsAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15fallout from Auke's pci ->revision patchAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15ax88796: dev_dbg() wants device, not platform deviceAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15pass -msize-long to sparse on s390Al Viro1-1/+1
s390 is the only 32bit with unsigned long for size_t (usual for those is unsigned int). Tell sparse... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15frv: missing __clear_user()Al Viro1-0/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15zd1211rw: too early inclusion of asm/unaligned.hAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15fix return type of skb_checksum_complete()Al Viro1-1/+1
It returns __sum16, not unsigned int Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15PDA_POWER depends on having request_irq()Al Viro1-0/+1
... so all proud owners of s390-based PDAs will have to live without that one Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15ieee1394: forgotten dereference...Al Viro1-1/+1
Going through the string and waiting for _pointer_ to become '\0' is not what the authors meant... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Ben Collins <ben.collins@ubuntu.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15the wrong variable checked after request_irq()Al Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15wrong order of arguments of ->readdir()Al Viro1-1/+1
Shows how many people are testing coda - the bug had been there for 5 years and results of stepping on it are not subtle. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15minimal fixes for drivers/usb/gadget/m66592-udc.cAl Viro1-23/+4
still looks racy (and definitely leaks) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15git-battery vs git-acpiAndrew Morton1-2/+3
drivers/w1/slaves/w1_ds2760.c:85: warning: initialization from incompatible pointer type The ACPI guys changed the bin_attr APIs (commit 91a6902958f052358899f58683d44e36228d85c2) Cc: Anton Vorontsov <cbou@mail.ru> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2007-07-15Power supply class and drivers: remove non obligatory return statementsAnton Vorontsov9-39/+0
Per Jeff Garzik request. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Anton Vorontsov <cbou@mail.ru>
2007-07-15pda_power: clean up irq, timerJeff Garzik1-9/+8
Clean up pda_power interrupt handling: Prior to this patch, the driver would pass information it needed to the interrupt handler dev_id pointer, and then prompt forget it ever did so, recreating that same information after a couple passes through the timer-based state machine. This patch removes the redundant checks by passing the pda_power_supply[] pointer through the state machine. The current code passed 'irq' through the state machine, as an index to recreate the pointer, when we could more simply pass around the pointer itself. This patch makes it easier to remove the 'irq' argument in the future, in addition to cleaning up the driver today. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-15MAINTAINERS: Add maintainers for power supply subsystem and driversAnton Vorontsov1-0/+10
Signed-off-by: Anton Vorontsov <cbou@mail.ru> Acked-by: David Woodhouse <dwmw2@infradead.org>
2007-07-15[SCSI] ibmvscsi: convert to use the data buffer accessorsFUJITA Tomonori1-57/+23
- remove the unnecessary map_single path. - convert to use the new accessors for the sg lists and the parameters. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Santiago Leon <santil@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-07-15[SCSI] dc395x: convert to use the data buffer accessorsFUJITA Tomonori1-103/+60
- remove the unnecessary map_single path. - convert to use the new accessors for the sg lists and the parameters. Jens Axboe <jens.axboe@oracle.com> did the for_each_sg cleanup. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Jamie Lenehan <lenehan@twibble.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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