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2006-10-19[PATCH] Add lockless helpers for remove_suid()Jens Axboe
Right now users have to grab i_mutex before calling remove_suid(), in the unlikely event that a call to ->setattr() may be needed. Split up the function in two parts: - One to check if we need to remove suid - One to actually remove it The first we can call lockless. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-19[PATCH] Introduce generic_file_splice_write_nolock()Mark Fasheh
This allows file systems to manage their own i_mutex locking while still re-using the generic_file_splice_write() logic. OCFS2 in particular wants this so that it can order cluster locks within i_mutex. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-19[PATCH] Take i_mutex in splice_from_pipe()Mark Fasheh
The splice_actor may be calling ->prepare_write() and ->commit_write(). We want i_mutex on the inode being written to before calling those so that we don't race i_size changes. The double locking behavior is done elsewhere in splice.c, and if we eventually want _nolock variants of generic_file_splice_write(), fs modules might have to replicate the nasty locking code. We introduce inode_double_lock() and inode_double_unlock() to consolidate the locking rules into one set of functions. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-10-18Merge branch 'ubuntu-updates' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/bcollins/ubuntu-2.6 * 'ubuntu-updates' of master.kernel.org:/pub/scm/linux/kernel/git/bcollins/ubuntu-2.6: [pci_ids] Add Quicknet XJ vendor/device ID's. [valkyriefb] Ifdef for when CONFIG_NVRAM isn't enabled. [platinumfb] Ifdef for when CONFIG_NVRAM isn't enabled. [igafb] Add pci dev table for module auto loading. [controlfb] Ifdef for when CONFIG_NVRAM isn't enabled. [hid-core] TurboX Keyboard needs NOGET quirk. [ixj] Add pci dev table for module auto loading. [initio] Add pci dev table for module auto loading. [fdomain] Add pci dev table for module auto loading. [BusLogic] Add pci dev table for auto module loading. [mv643xx] Add pci device table for auto module loading. [alim7101] Add pci dev table for auto module loading.
2006-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/hwmon-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/hwmon-2.6: hwmon: Fix debug messages in w83781d hwmon: Let w83781d and lm78 load again w83627ehf: Fix the detection of fan5 k8temp: Documentation update smsc47m1: List the SMSC LPC47M112 as supported hwmon: Fix documentation typos adm9240: Update Grant Coady's email address w83791d: Fix unchecked return status
2006-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/aoe-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/aoe-2.6: aoe: fix sysfs_create_file warnings aoe: revert printk macros aoe: update driver version aoe: remove sysfs comment aoe: use bio->bi_idx aoe: module parameter for device timeout aoe: zero copy write 2 of 2 aoe: improve retransmission heuristics aoe: jumbo frame support 2 of 2 aoe: clean up printks via macros aoe: jumbo frame support 1 of 2 aoe: zero copy write 1 of 2 aoe: remove unused NARGS enum aoe: update copyright date aoe: eliminate isbusy message
2006-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (22 commits) PCI Hotplug: move pci_hotplug.h to include/linux/ change pci hotplug subsystem maintainer to Kristen PCI: optionally sort device lists breadth-first cpcihp_generic: prevent loading without "bridge" parameter pci: Additional search functions PCI: quirks: switch quirks code offender to use pci_get API PCI: Update MSI-HOWTO.txt according to pci_msi_supported() PCI: Improve pci_msi_supported() comments PCI hotplug: ioremap balanced with iounmap shpchp: remove unnecessary cmd_busy member from struct controller shpchp: fix command completion check pci: Stamp out pci_find_* usage in fakephp PCI: fix pcie_portdrv_restore_config undefined without CONFIG_PM error Fix DMA resource allocation in ACPIPnP PCI: Turn pci_fixup_video into generic for embedded VGA PCI: add ICH7/8 ACPI/GPIO io resource quirks PCI: pcie-check-and-return-bus_register-errors fix PCI: VIA IRQ quirk behaviour change pciehp: Remove unnecessary check in pciehp_ctrl.c pciehp - add missing locking ...
2006-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: driver core: kmalloc() failure check in driver_probe_device Driver core: bus: remove indentation level Driver core: Don't ignore error returns from probing Driver core: Don't leak 'old_class_name' in drivers/base/core.c::device_rename() driver core fixes: sysfs_create_group() retval in topology.c driver core fixes: device_create_file() retval check in dmapool.c driver core fixes: device_add() cleanup on error driver core fixes: bus_add_device() cleanup on error driver core fixes: bus_add_attrs() retval check driver core fixes: sysfs_create_link() retval check in class.c sysfs: update obsolete comment in sysfs_update_file sysfs: remove duplicated dput in sysfs_update_file HOWTO: bug report addition Fix dev_printk() is now GPL-only Driver core: plug device probe memory leak Documentation: feature-removal-schedule typo
2006-10-18Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] update default configuration [S390] cio: update documentation. [S390] dasd: clean up timer. [S390] Fix pte type checking. [S390] monwriter find header logic. [S390] cio: sch_no -> schid.sch_no conversion. [S390] Wire up epoll_pwait syscall. [S390] cio: invalid device operational notification [S390] fix vmlinux link when CONFIG_SYSIPC=n
2006-10-18Merge 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: [IA64] Count resched interrupts [IA64] remove unused acpi_kbd_controller_present, acpi_legacy_devices [IA64] update sn2_defconfig [IA64] reformat pal.S to fit in 80 columns, fix typos [IA64] remove unused PAL_CALL_IC_OFF [IA64] - Allow IPIs in timer loop [IA64] move ioremap/ioremap_nocache under __KERNEL__ [IA64] perfmon fix for global IRQ fix
2006-10-18hwmon: Fix debug messages in w83781dJean Delvare
Fix debug messages in w83781d at detection time. We can't use dev_dbg() on an i2c client's device before calling i2c_attach_client() on that client. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18hwmon: Let w83781d and lm78 load againJean Delvare
Let the w83781d and lm78 hardware monitoring drivers load even when no chip was detected at the ISA address. There can still be supported chips connected to an I2C bus or SMBus. This fixes bug #7293. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18w83627ehf: Fix the detection of fan5Rudolf Marek
Fix the detection of fan5 and preserve the bit between the register writes, because the bit is write only. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18k8temp: Documentation updateRudolf Marek
Update the documentation for the k8temp driver. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18smsc47m1: List the SMSC LPC47M112 as supportedJean Delvare
The SMSC LPC47M112 Super-I/O chip appears to be compatible with the LPC47M10x and LPC47M13x as far as hardware monitoring is concerned. The device ID is even the same, so it's really only a documentation update. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18hwmon: Fix documentation typosJean Delvare
Fix typos in hardware monitoring documentation. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18adm9240: Update Grant Coady's email addressGrant Coady
Replace a bouncing email that I cannot recover from Mr Google. Signed-off-by: Grant Coady <gcoady.lk@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18w83791d: Fix unchecked return statusJim Cromie
Replace all unchecked calls to device_create_file with a single group declaration, and one call to sysfs_create_group, and check that one return status. Also remove the files on device detach. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off by: Charles Spirakis <bezaur@gmail.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: fix sysfs_create_file warningsGreg Kroah-Hartman
Moved the attributes into a group, making the compiler be quiet about ignoring the return value of the file create calls. This also also fixed a bug when removing the files, which were not symlinks. Cc: "Ed L. Cashin" <ecashin@coraid.com> Cc: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: revert printk macrosEd L. Cashin
This patch addresses the concern that the aoe driver should not introduce unecessary conventions that must be learned by the reader. It reverts patch 6. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: update driver versionEd L. Cashin
Update aoe driver version number to 32. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: remove sysfs commentEd L. Cashin
Remove unecessary comment. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: use bio->bi_idxEd L. Cashin
Instead of starting with bio->bi_io_vec, use the offset in bio->bi_idx. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: module parameter for device timeoutEd L. Cashin
The aoe_deadsecs module parameter sets the number of seconds that elapse before a nonresponsive AoE device is marked as dead. This is runtime settable in sysfs or settable with a module load or kernel boot parameter. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: zero copy write 2 of 2Ed L. Cashin
Avoid memory copy on writes. (This patch follows patch 4.) Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: improve retransmission heuristicsEd L. Cashin
Add a dynamic minimum timer for better retransmission behavior. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: jumbo frame support 2 of 2Ed L. Cashin
Add support for jumbo ethernet frames. (This patch follows patch 5.) Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: clean up printks via macrosEd L. Cashin
Use simple macros to clean up the printks. (This patch is reverted by the 14th patch to follow.) Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: jumbo frame support 1 of 2Ed L. Cashin
Add support for jumbo ethernet frames. (This patch depends on patch 7 to follow.) Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: zero copy write 1 of 2Ed L. Cashin
Avoid memory copy on writes. (This patch depends on fixes in patch 9 to follow.) Although skb->len should not be set when working with linear skbuffs, the skb->tail pointer maintained by skb_put/skb_trim is not relevant to what happens when the skb_fill_page_desc function is called. This issue was raised without comment in linux-kernel and netdev earlier this month: http://thread.gmane.org/gmane.linux.kernel/446474/ http://thread.gmane.org/gmane.linux.network/45444/ So until there is something analogous to skb_put that works for zero-copy write skbuffs, we will do what the other callers of skb_fill_page_desc are doing. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: remove unused NARGS enumEd L. Cashin
The NARGS enum is left over from older code versions. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: update copyright dateEd L. Cashin
Update the copyright year to 2006. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18aoe: eliminate isbusy messageEd L. Cashin
This message doesn't help users because the circumstance isn't problematic. Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core: kmalloc() failure check in driver_probe_deviceAkinobu Mita
driver_probe_device() is missing kmalloc() failure check. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Driver core: bus: remove indentation levelJeff Garzik
Before potentially fixing up these functions, this cosmetic change reduces the indentation level to make the code easier to read and maintain. No functional changes at all. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Driver core: Don't ignore error returns from probingAlan Stern
This patch (as797) fixes device_add() in the driver core. It needs to pay attention when the driver for a new device reports an error. At the same time, since bus_remove_device() undoes the effects of both bus_add_device() and bus_attach_device(), it needs to check whether the bus_attach_device step failed. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Driver core: Don't leak 'old_class_name' in drivers/base/core.c::device_rename()Jesper Juhl
If kmalloc() fails to allocate space for 'old_symlink_name' in drivers/base/core.c::device_rename(), then we'll leak 'old_class_name'. Spotted by the Coverity checker. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: sysfs_create_group() retval in topology.cCornelia Huck
Return the return value of sysfs_create_group() in topology_add_dev(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: device_create_file() retval check in dmapool.cCornelia Huck
Check for device_create_file() return value in dma_pool_create(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: device_add() cleanup on errorCornelia Huck
Check for return code of device_create_file() and correct cleanup in the error case in device_add(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: bus_add_device() cleanup on errorCornelia Huck
Correct cleanup in the error path of bus_add_device(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: bus_add_attrs() retval checkCornelia Huck
Check return value of bus_add_attrs() in bus_register(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18driver core fixes: sysfs_create_link() retval check in class.cCornelia Huck
Check for return value of sysfs_create_link() in class_device_add(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18sysfs: update obsolete comment in sysfs_update_fileHidetoshi Seto
And the obsolete comment should be updated (or totally removed). Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18sysfs: remove duplicated dput in sysfs_update_fileHidetoshi Seto
Following function can drops d_count twice against one reference by lookup_one_len. <SOURCE> /** * sysfs_update_file - update the modified timestamp on an object attribute. * @kobj: object we're acting for. * @attr: attribute descriptor. */ int sysfs_update_file(struct kobject * kobj, const struct attribute * attr) { struct dentry * dir = kobj->dentry; struct dentry * victim; int res = -ENOENT; mutex_lock(&dir->d_inode->i_mutex); victim = lookup_one_len(attr->name, dir, strlen(attr->name)); if (!IS_ERR(victim)) { /* make sure dentry is really there */ if (victim->d_inode && (victim->d_parent->d_inode == dir->d_inode)) { victim->d_inode->i_mtime = CURRENT_TIME; fsnotify_modify(victim); /** * Drop reference from initial sysfs_get_dentry(). */ dput(victim); res = 0; } else d_drop(victim); /** * Drop the reference acquired from sysfs_get_dentry() above. */ dput(victim); } mutex_unlock(&dir->d_inode->i_mutex); return res; } </SOURCE> PCI-hotplug (drivers/pci/hotplug/pci_hotplug_core.c) is only user of this function. I confirmed that dentry of /sys/bus/pci/slots/XXX/* have negative d_count value. This patch removes unnecessary dput(). Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Acked-by: Maneesh Soni <maneesh@in.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18HOWTO: bug report additionDiego Calleja
I suspect that not many people is subscribed to the bugzilla mailing list, not surprising since the URLs doesn't seem to be in the tree :) After fixing my english, I wonder if the following patch could be applied... Signed-off-by: Diego Calleja <diegocg@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Fix dev_printk() is now GPL-onlyMatthew Wilcox
Make dev_printk usable from non-GPL modules again dev_printk now calls dev_driver_string. We want even proprietary modules to be calling dev_printk, so the export of dev_driver_string needs to be non-GPL-only. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Driver core: plug device probe memory leakDuncan Sands
Make sure data is freed if the kthread fails to start. Signed-off-by: Duncan Sands <baldrick@free.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18Documentation: feature-removal-schedule typoDominik Brodowski
Fix typo in newly added feature remove schedule item. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-10-18PCI Hotplug: move pci_hotplug.h to include/linux/Greg Kroah-Hartman
This makes it possible to build pci hotplug drivers outside of the main kernel tree, and Sam keeps telling me to move local header files to their proper places... Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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