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2008-04-18[SCSI] zfcp: Fix error handling for blocked unit for send FCP commandChristof Schmitt
In the case the unit is blocked, zfcp_unit_get has not been called yet, so the error handling path should not call zfcp_unit_put. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] zfcp: Remove zfcp_erp_wait from slave destory handler to fix deadlockChristof Schmitt
The testcase # chchp -v 0 0.da && sleep 59 && chchp -v 1 0.da results in this deadlock situation: STACK TRACE FOR TASK: 0x7e9a2048 (zfcperp0.0.c613) 0 schedule+816 [0x356b3c] 1 schedule_timeout+172 [0x357340] 2 wait_for_common+192 [0x3565fc] 3 flush_cpu_workqueue+116 [0x52af0] 4 flush_workqueue+116 [0x533b8] 5 fc_remote_port_add+64 [0x1c83ec] 6 zfcp_erp_thread+4534 [0x26585a] 7 kernel_thread_starter+6 [0x195d2] STACK TRACE FOR TASK: 0x7f8ec048 (fc_wq_0) 0 schedule+816 [0x356b3c] 1 zfcp_erp_wait+104 [0x264568] 2 zfcp_scsi_slave_destroy+64 [0x261b24] 3 __scsi_remove_device+154 [0x1c24ba] 4 scsi_remove_device+62 [0x1c2512] 5 __scsi_remove_target+198 [0x1c25ea] 6 __remove_child+58 [0x1c26d6] 7 device_for_each_child+66 [0x1ab566] 8 scsi_remove_target+98 [0x1c268a] 9 run_workqueue+200 [0x5272c] 10 worker_thread+146 [0x52882] 11 kthread+140 [0x58360] 12 kernel_thread_starter+6 [0x195d2] Remove the zfcp_erp_wait call that is not required here to prevent the deadlock situation. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] zfcp: fix 31 bit compile warningsMartin Peschke
drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_rscn’: drivers/s390/scsi/zfcp_aux.c:1379: warning: cast from pointer to integer of different size drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_plogi’: drivers/s390/scsi/zfcp_aux.c:1432: warning: cast from pointer to integer of different size drivers/s390/scsi/zfcp_aux.c: In function ‘zfcp_fsf_incoming_els_logo’: drivers/s390/scsi/zfcp_aux.c:1457: warning: cast from pointer to integer of different size .. Just passing pointers rids us of these warnings and improves readability. Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18sh: Fix up L2 cache probe.Paul Mundt
SH7723 is the first hard silicon to implement the L2, and unsurprisingly, does the precise inverse of what the specification alleges. XOR the URAM/L2 size bits to get back in line with the existing parsing logic. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Fix up SH-4A part probe.Paul Mundt
The SH-4A series probe we were relying on doesn't work any more on the newer parts, bump this up to use CVR.CHIP instead so we have consistent behaviour across all of the parts, which is what this should have been testing in the first place. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add support for SH7723 CPU subtype.Paul Mundt
This adds basic support for the SH7723 MobileR2 CPU. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Fix up SH7763 build.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add migor_ts support to MigoRMagnus Damm
Add support for the migor_ts touch panel to the MigoR board. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add rs5c732b RTC support to MigoRMagnus Damm
Add support for the rs5c372b RTC chip to MigoR. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add I2C support to MigoRMagnus Damm
Enable the sh7722 I2C controller on the MigoR board. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add I2C platform data to sh7722Magnus Damm
Add platform data for the SuperH Mobile I2C block to sh7722. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: MigoR NAND flash support using gen_flashMagnus Damm
Add NAND flash support to the MigoR board by giving board specific data to the gen_nand platform driver. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: MigoR NOR flash support using physmap-flashMagnus Damm
Add NOR flash support to the MigoR board by giving board specific data to the physmap-flash platform driver. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Fix up mach-types formatting from merge damage.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: r7780rp: Hook up the I2C and SMBus platform devices.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Use phyical addresses for MigoR smc91x resourcesMagnus Damm
Use physical addresses and change resource name of MigoR ethernet chip. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Use physical addresses for sh7722 USBF resourcesMagnus Damm
Use physical addresses and change resource name to follow data sheet. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add MigoR header fileMagnus Damm
This patch adds a MigoR specific header file. We may want to use a cpu specific header file instead, but this will do for now. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18Fix sh_keysc double freeMagnus Damm
Avoid double free situation from happening by removing input_free_device() after input_unregister_device(). Suggested by Dmitry Torokhov. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Fix up __access_ok() check for nommu.Paul Mundt
Presently this only checks to see if an address is an RAM, but this doesn't work with XIP, so just always return 1. Follows m68knommu. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Allow optimized clear/copy page routines to be used on SH-2.Paul Mundt
Presently these are restricted to SH-3 and SH-4, so we reorder the ifdefs a bit to let other parts use these also. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Hook up the rest of the SH7770 serial ports.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Add support for Solution Engine SH7721 boardYoshihiro Shimoda
Add support for Solution Engine SH7721 board(MS7721RP01). Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Hook up remaining IRQ sources for R7780MP FPGA.Masayuki Hosokawa
Signed-off-by: Masayuki Hosokawa <hosokawa@ace-jp.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Initial support for the MX-G CPU.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: Create an sh debugfs root.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18rtc: rtc-sh: Add support for periodic IRQs.Angelo Castello
This adds support for periodic IRQs to the rtc-sh driver. RTC_IRQP_READ/RTC_IRQP_SET are added, with a number of other fixes and reordering across the rest of the code. Signed-off-by: Angelo Castello <angelo.castello@st.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: SuperH KEYSC keypad data for Solution Engine 7722Magnus Damm
Add KEYSC platform data for the Solution Engine 7722 board. Signed-off-by: Magnus Damm <damm@igel.co.jp> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: SuperH KEYSC keypad data for MigoRMagnus Damm
Add KEYSC platform data for the sh7722 MigoR board. Signed-off-by: Magnus Damm <damm@igel.co.jp> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18sh: SuperH KEYSC platform driverMagnus Damm
Add a platform driver for the SuperH KEYSC block. The driver expects to get mode, timing information and keypad layout from the board code as platform data. The board code is resonsible for pin configuration. Both sh7343 and sh7722 should be supported, but only the sh7722 processor has been tested so far. SH_KEYSC_MODE_3 is yet to be tested. Signed-off-by: Magnus Damm <damm@igel.co.jp> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-04-18[SCSI] bsg: no need to set BSG_F_BLOCK bit in bsg_complete_all_commandsFUJITA Tomonori
Before bsg_complete_all_commands is called, BSG_F_BLOCK bit is always set. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] bsg: remove minor in struct bsg_deviceFUJITA Tomonori
minor in struct bsg_device is used as identifier to find the corresponding struct bsg_device_class. However, request_queuse can be used as identifier for that and the minor in struct bsg_device is unnecessary. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] bsg: use better helper list functionsFUJITA Tomonori
This replace hlist_for_each and list_entry with hlist_for_each_entry and list_first_entry respectively. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] bsg: replace kobject_get with blk_get_queueFUJITA Tomonori
Both takes a ref to a queue. But blk_get_queue checks QUEUE_FLAG_DEAD and is more appropriate interface here. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18[SCSI] bsg: takes a ref to struct device in fops->openFUJITA Tomonori
bsg_register_queue() takes a ref to struct device that a caller passes. For example, bsg takes a ref to the sdev_gendev for scsi devices. However, bsg doesn't inrease the refcount in fops->open. So while an application opens a bsg device, the scsi device that the bsg device holds can go away (bsg also takes a ref to a queue, but it doesn't prevent the device from going away). With this patch, bsg increases the refcount of struct device in fops->open and decreases it in fops->release. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-04-18Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (27 commits) [IA64] kdump: Add crash_save_vmcoreinfo for INIT [IA64] Fix NUMA configuration issue [IA64] Itanium Spec updates [IA64] Untangle sync_icache_dcache() page size determination [IA64] arch/ia64/kernel/: use time_* macros [IA64] remove redundant display of free swap space in show_mem() [IA64] make IOMMU respect the segment boundary limits [IA64] kprobes: kprobe-booster for ia64 [IA64] fix getpid and set_tid_address fast system calls for pid namespaces [IA64] Replace explicit jiffies tests with time_* macros. [IA64] use goto to jump out do/while_each_thread [IA64] Fix unlock ordering in smp_callin [IA64] pgd_offset() constfication. [IA64] kdump: crash.c coding style fix [IA64] kdump: add kdump_on_fatal_mca [IA64] Minimize per_cpu reservations. [IA64] Correct pernodesize calculation. [IA64] Kernel parameter for max number of concurrent global TLB purges [IA64] Multiple outstanding ptc.g instruction support [IA64] Implement smp_call_function_mask for ia64 ...
2008-04-18[CIFS] Reserve new proxy cap for WAFSSteve French
New WAFS filer uses ioctls which are shown to be available on a share by querying this info level Acked-by: Sam Liddicott <sam@liddicott.com> Signed-off-by: Stevef French <sfrench@us.ibm.com>
2008-04-18ocfs2/net: Add debug interface to o2netSunil Mushran
This patch exposes o2net information via debugfs. The information includes the list of sockets (sock_containers) as well as the list of outstanding messages (send_tracking). Useful for o2dlm debugging. (This patch is derived from an earlier one written by Zach Brown that exposed the same information via /proc.) [Mark: checkpatch fixes] Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Only build ocfs2/dlm with the o2cb stack moduleMark Fasheh
fs/ocfs2/dlm/ocfs2_dlm.ko and fs/ocfs2/dlm/ocfs2_dlmfs.ko get built if CONFIG_FS_OCFS2 is specified. This isn't quite how it should happen any more - the "o2cb" dlm modules should only be built if CONFIG_FS_OCFS2_O2CB is set, so update the dlm Makefile accordingly. Signed-off-by: Mark Fasheh <mfasheh@suse.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Joel Becker <joel.becker@oracle.com>
2008-04-18ocfs2/cluster: Get rid of arguments to the timeout routinesJeff Mahoney
We keep seeing bug reports related to NULL pointer derefs in o2net_set_nn_state(). When I originally wrote up the configurable timeout patch, I had tried to plan for multiple clusters. This was silly. The timeout routines all use o2nm_single_cluster so there's no point in passing an argument at all. This patch removes the arguments and kills those bugs dead. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Put tree in MAINTAINERSJoel Becker
The ocfs2 MAINTAINERS entry should have the git tree URL. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Use BUG_ONJulia Lawall
if (...) BUG(); should be replaced with BUG_ON(...) when the test has no side-effects to allow a definition of BUG_ON that drops the code completely. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @ disable unlikely @ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (unlikely(E)) { BUG(); } + BUG_ON(E); ) @@ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (E) { BUG(); } + BUG_ON(E); ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Convert ocfs2 over to unlocked_ioctlAndi Kleen
As far as I can see there is nothing in ocfs2_ioctl that requires the BKL, so use unlocked_ioctl Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Improve rename lockingJan Kara
ocfs2_rename() was being too aggressive with the rename lock - we only need it for certain forms of directory rename. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18fs/ocfs2/aops.c: test for IS_ERR rather than 0Julia Lawall
The function ocfs2_start_trans always returns either a valid pointer or a value made with ERR_PTR, so its result should be tested with IS_ERR, not with a test for 0. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Add inode stealing for ocfs2_reserve_new_inodeTao Ma
Inode allocation is modified to look in other nodes allocators during extreme out of space situations. We retry our own slot when space is freed back to the global bitmap, or whenever we've allocated more than 1024 inodes from another slot. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Add ac_alloc_slot in ocfs2_alloc_contextTao Ma
In inode stealing, we no longer restrict the allocation to happen in the local node. So it is neccessary for us to add a new member in ocfs2_alloc_context to indicate which slot we are using for allocation. We also modify the process of local alloc so that this member can be used there also. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Add a new parameter for ocfs2_reserve_suballoc_bitsTao Ma
In some cases(Inode stealing from other nodes), we may not want ocfs2_reserve_suballoc_bits to allocate new groups from the global_bitmap since it may already be full. So add a new parameter for this. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Enable cross extent block merge.Tao Ma
In ocfs2_figure_merge_contig_type, we judge whether there exists a cross extent block merge and enable it by setting CONTIG_LEFT and CONTIG_RIGHT accordingly. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2008-04-18ocfs2: Add support for cross extent blockTao Ma
In ocfs2_merge_rec_left, when we find the merge extent is "CONTIG_RIGHT" with the first extent record of the next extent block, we will merge it to the next extent block and change all the related extent blocks accordingly. In ocfs2_merge_rec_right, when we find the merge extent is "CONTIG_LEFT" with the last extent record of the previous extent block, we will merge it to the prevoius extent block and change all the related extent blocks accordingly. As for CONTIG_LEFTRIGHT, we will handle CONTIG_RIGHT first so that when the index is zero, the merge process will be more efficient and easier. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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