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2011-01-17tidy up around finish_automount()Al Viro2-30/+18
do_add_mount() and mnt_clear_expiry() are not needed outside of namespace.c anymore, now that namei has finish_automount() to use. Signed-off-by: Al Viro <[email protected]>
2011-01-17don't drop newmnt on error in do_add_mount()Al Viro1-11/+5
That gets rid of the kludge in finish_automount() - we need to keep refcount on the vfsmount as-is until we evict it from expiry list. Signed-off-by: Al Viro <[email protected]>
2011-01-17Take the completion of automount into new helperAl Viro3-26/+39
... and shift it from namei.c to namespace.c Signed-off-by: Al Viro <[email protected]>
2011-01-16Merge branches 'misc', 'mlx4', 'mthca', 'nes' and 'srp' into for-nextRoland Dreier20-60/+297
2011-01-16RDMA: Update workqueue usageTejun Heo13-50/+39
* ib_wq is added, which is used as the common workqueue for infiniband instead of the system workqueue. All system workqueue usages including flush_scheduled_work() callers are converted to use and flush ib_wq. * cancel_delayed_work() + flush_scheduled_work() converted to cancel_delayed_work_sync(). * qib_wq is removed and ib_wq is used instead. This is to prepare for deprecation of flush_scheduled_work(). Signed-off-by: Tejun Heo <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2011-01-17alpha: fix WARN_ON in __local_bh_enable()Ivan Kokshaysky1-3/+2
Interrupts ought to be disabled _before_ irq_enter(). Signed-off-by: Ivan Kokshaysky <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: fix breakage caused by df9ee29270Ivan Kokshaysky1-3/+5
Commit df9ee29270 made arch_local_irq_save and arch_local_irq_restore static inline which with -Werror trips up on __set_hae() and _set_hae() which are extern inline. The naive solution is to make __set_hae() and set_hae() static inline but for reasons described in commit d559d4a24a3fe this breaks the generic kernel build. Instead, since this is architecture specific code, this patch hard wires in the architecture specific method f disabling and enabling interrupts. Tested-by: Michael Cree <[email protected]> Signed-off-by: Ivan Kokshaysky <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: add GENERIC_HARDIRQS_NO__DO_IRQ to KconfigMatt Turner1-0/+3
Acked-by: Kyle McMartin <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha/osf_sys: remove unused MAX_SELECT_SECONDSNamhyung Kim1-3/+0
Remove the leftover from the commit 14e2acd86865 ("select: fix alpha OSF wrapper"). Signed-off-by: Namhyung Kim <[email protected]> Cc: Arjan van de Ven <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: change to new Makefile flag variablesmatt mooney5-7/+7
Signed-off-by: matt mooney <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: kill off alpha_do_IRQKyle McMartin21-460/+94
Good riddance... Nuke a pile of redundant handlers that the generic code takes care of as well. Tested-by: Michael Cree <[email protected]> Signed-off-by: Kyle McMartin <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: irq clean upKyle McMartin20-58/+67
Stop touching irq_desc[irq] directly, instead use accessor functions provided. Use irq_has_action instead of directly testing the irq_desc. Tested-by: Michael Cree <[email protected]> Signed-off-by: Kyle McMartin <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17alpha: use set_irq_chip and push down __do_IRQ to the machine typesKyle McMartin20-48/+59
Also kill superfluous IRQ_DISABLED initialization, since that's the default state of the irq_desc[i].status field. Tested-by: Michael Cree <[email protected]> Signed-off-by: Kyle McMartin <[email protected]> Signed-off-by: Matt Turner <[email protected]>
2011-01-17drm/radeon/kms: balance asic_reset functionsAlex Deucher3-18/+20
First, we were calling mc_stop() at the top of the function which turns off all MC (memory controller) clients, then checking if the GPU is idle. If it was idle we returned without re-enabling the MC clients which would lead to a blank screen, etc. This patch checks if the GPU is idle before calling mc_stop(). Second, if the reset failed, we were returning without re-enabling the MC clients. This patch re-enables the MC clients before returning regardless of whether the reset was successful or not. Signed-off-by: Alex Deucher <[email protected]> Cc: Jerome Glisse <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-01-17drm/radeon/kms: remove duplicate card_posted() functionsAlex Deucher3-46/+3
Use the common one for all asics. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-01-17drm/radeon/kms: add module option for pcie gen2Alex Deucher5-0/+14
Switching to pcie gen2 causes problems on some boards. Add a module option to turn it on/off. There are gen2 compatability issues with some motherboards it seems. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=33027 Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-01-17drm/radeon/kms: fix typo in evergreen safe regAlex Deucher1-1/+1
Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2011-01-17Merge remote branch 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next ↵Dave Airlie11-197/+86
into drm-fixes * 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next: drm/nouveau: fix gpu page faults triggered by plymouthd drm/nouveau: greatly simplify mm, killing some bugs in the process drm/nvc0: enable protection of system-use-only structures in vm drm/nv40: initialise 0x17xx on all chipsets that have it drm/nv40: make detection of 0x4097-ful chipsets available everywhere
2011-01-17drm/nouveau: fix gpu page faults triggered by plymouthdBen Skeggs1-2/+2
The switch to separate BAR and channel address spaces made the fbcon memory address calculation incorrect on NV50+ boards, this commit fixes that. Signed-off-by: Ben Skeggs <[email protected]>
2011-01-17drm/nouveau: greatly simplify mm, killing some bugs in the processBen Skeggs3-160/+52
Reviewed-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2011-01-17drm/nvc0: enable protection of system-use-only structures in vmBen Skeggs4-5/+10
Somehow missed this in the original merge of the nvc0 code. Signed-off-by: Ben Skeggs <[email protected]>
2011-01-17drm/nv40: initialise 0x17xx on all chipsets that have itBen Skeggs1-12/+2
Signed-off-by: Ben Skeggs <[email protected]>
2011-01-17drm/nv40: make detection of 0x4097-ful chipsets available everywhereBen Skeggs3-18/+20
Signed-off-by: Ben Skeggs <[email protected]>
2011-01-16drivers/nfc/pn544.c: fix min_t warningsAndrew Morton1-1/+1
Fix these: drivers/nfc/pn544.c: In function 'pn544_read': drivers/nfc/pn544.c:356: warning: comparison of distinct pointer types lacks a cast drivers/nfc/pn544.c:377: warning: comparison of distinct pointer types lacks a cast drivers/nfc/pn544.c: In function 'pn544_write': drivers/nfc/pn544.c:463: warning: comparison of distinct pointer types lacks a cast drivers/nfc/pn544.c:485: warning: comparison of distinct pointer types lacks a cast Cc: "Matti J. Aaltonen" <[email protected]> Cc: Stephen Rothwell <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16ARM: PL08x: cleanup commentsRussell King - ARM Linux2-117/+72
Cleanup the formatting of comments, remove some which don't make sense anymore. Signed-off-by: Russell King <[email protected]> [fix conflict with 96a608a4] Signed-off-by: Dan Williams <[email protected]>
2011-01-16Merge branch 'for-linus' of ↵Linus Torvalds4-8/+5
git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6: ocfs2: Make OCFS2_FS depend on CONFIGFS_FS dlm: Make DLM depend on CONFIGFS_FS net: Make NETCONSOLE_DYNAMIC depend on CONFIGFS_FS configfs: change depends -> select SYSFS [SCSI] sd,sr: kill compat SDEV_MEDIA_CHANGE event [SCSI] sd: implement sd_check_events()
2011-01-16parisc: fix compile breakage caused by inlining maybe_mkwriteJames Bottomley1-1/+3
On PARISC, we have an include of linux/mm.h inside our asm/pgtable.h, so this patch commit 14fd403f2146f740942d78af4e0ee59396ad8eab Author: Andrea Arcangeli <[email protected]> Date: Thu Jan 13 15:46:37 2011 -0800 thp: export maybe_mkwrite causes us an unsatisfiable use of pte_mkwrite in linux/mm.h. The fix is to avoid including linux/mm.h in our pgtable.h, which unbreaks the build. Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16fix non-x86 build failure in pmdp_get_and_clearAndrea Arcangeli2-18/+7
pmdp_get_and_clear/pmdp_clear_flush/pmdp_splitting_flush were trapped as BUG() and they were defined only to diminish the risk of build issues on not-x86 archs and to be consistent with the generic pte methods previously defined in include/asm-generic/pgtable.h. But they are causing more trouble than they were supposed to solve, so it's simpler not to define them when THP is off. This is also correcting the export of pmdp_splitting_flush which is currently unused (x86 isn't using the generic implementation in mm/pgtable-generic.c and no other arch needs that [yet]). Signed-off-by: Andrea Arcangeli <[email protected]> Sam Ravnborg <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: "Luck, Tony" <[email protected]> Cc: James Bottomley <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16VFS: Fix UP compile error in fs/namespace.cAl Viro1-7/+24
mnt_longterm is there only on SMP Reported-and-tested-by: Joachim Eastwood <[email protected]> Signed-off-by: Al Viro <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16RDMA/nes: Fix incorrect SFP+ link status detection on driver initMaciej Sosnowski1-4/+39
During iw_nes initialization the link status for SFP+ PHY is always detected as "up" regardless of real state (cable either connected or disconnected). Add SFP+ PHY specific link status detection to the iw_nes initialization procedure. Use link status recheck for netdev_open to detect delayed state updates. Signed-off-by: Maciej Sosnowski <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2011-01-16RDMA/nes: Fix SFP+ link down detection issue with switch port disableMaciej Sosnowski4-0/+100
In case of SFP+ PHY, link status check at interrupt processing can give false results. For proper link status change detection a delayed recheck is needed to give nes registers time to settle. Add a periodic link status recheck scheduled at interrupt to detect potential delayed registers state changes. Addresses: http://bugs.openfabrics.org/bugzilla/show_bug.cgi?id=2117 Signed-off-by: Maciej Sosnowski <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2011-01-16RDMA/nes: Generate IB_EVENT_PORT_ERR/PORT_ACTIVE eventsMaciej Sosnowski4-9/+83
Depending on link state change, IB_EVENT_PORT_ERR or IB_EVENT_PORT_ACTIVE should be generated when handling MAC interrupts. Plugging in a cable happens to result in series of interrupts changing driver's link state a number of times before finally staying at link up (e.g. link up, link down, link up, link down, ..., link up). To prevent sending series of redundant IB_EVENT_PORT_ACTIVE and IB_EVENT_PORT_ERR events, we use a timer to debounce them in nes_port_ibevent(). Signed-off-by: Maciej Sosnowski <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2011-01-16RDMA/nes: Fix bonding on iw_nesMaciej Sosnowski2-6/+26
Enable configuring bonds on nes devices by adding missing support for master net_device to the driver. Signed-off-by: Maciej Sosnowski <[email protected]> Signed-off-by: Roland Dreier <[email protected]>
2011-01-16ocfs2: Make OCFS2_FS depend on CONFIGFS_FSNicholas Bellinger1-2/+1
This patch fixes the following kconfig error after changing CONFIGFS_FS -> select SYSFS: fs/sysfs/Kconfig:1:error: recursive dependency detected! fs/sysfs/Kconfig:1: symbol SYSFS is selected by CONFIGFS_FS fs/configfs/Kconfig:1: symbol CONFIGFS_FS is selected by OCFS2_FS fs/ocfs2/Kconfig:1: symbol OCFS2_FS depends on SYSFS Signed-off-by: Nicholas A. Bellinger <[email protected]> Cc: Joel Becker <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: James Bottomley <[email protected]>
2011-01-16dlm: Make DLM depend on CONFIGFS_FSNicholas Bellinger1-2/+1
This patch fixes the following kconfig error after changing CONFIGFS_FS -> select SYSFS: fs/sysfs/Kconfig:1:error: recursive dependency detected! fs/sysfs/Kconfig:1: symbol SYSFS is selected by CONFIGFS_FS fs/configfs/Kconfig:1: symbol CONFIGFS_FS is selected by DLM fs/dlm/Kconfig:1: symbol DLM depends on SYSFS Signed-off-by: Nicholas A. Bellinger <[email protected]> Cc: Joel Becker <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: James Bottomley <[email protected]>
2011-01-16net: Make NETCONSOLE_DYNAMIC depend on CONFIGFS_FSNicholas Bellinger1-2/+1
This patch fixes the following kconfig error after changing CONFIGFS_FS -> select SYSFS: fs/sysfs/Kconfig:1:error: recursive dependency detected! fs/sysfs/Kconfig:1: symbol SYSFS is selected by CONFIGFS_FS fs/configfs/Kconfig:1: symbol CONFIGFS_FS is selected by NETCONSOLE_DYNAMIC drivers/net/Kconfig:3390: symbol NETCONSOLE_DYNAMIC depends on SYSFS Signed-off-by: Nicholas A. Bellinger <[email protected]> Cc: Joel Becker <[email protected]> Cc: Randy Dunlap <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: James Bottomley <[email protected]>
2011-01-16configfs: change depends -> select SYSFSNicholas Bellinger1-2/+2
This patch changes configfs to select SYSFS to fix the following: warning: (TARGET_CORE && GFS2_FS) selects CONFIGFS_FS which has unmet direct dependencies (SYSFS) Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Nicholas A. Bellinger <[email protected]> Acked-by: Joel Becker <[email protected]>
2011-01-16Merge branch 'master' of /pub/scm/linux/kernel/git/jejb/scsi-post-merge-2.6 ↵Nicholas Bellinger6867-236841/+505538
into for-linus
2011-01-16fs/btrfs: Fix build of ctreeStefan Schmidt1-0/+1
Fix the build failure in some configurations: CC [M] fs/btrfs/ctree.o In file included from fs/btrfs/ctree.c:21:0: fs/btrfs/ctree.h:1003:17: error: field 'super_kobj' has incomplete type fs/btrfs/ctree.h:1074:17: error: field 'root_kobj' has incomplete type make[2]: *** [fs/btrfs/ctree.o] Error 1 make[1]: *** [fs/btrfs] Error 2 make: *** [fs] Error 2 caused by commit 57cc7215b708 ("headers: kobject.h redux") We need to include kobject.h here. Reported-by: Jeff Garzik <[email protected]> Fix-suggested-by: Li Zefan <[email protected]> Signed-off-by: Stefan Schmidt <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linusLinus Torvalds15-30/+203
* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus: Squashfs: simplify CONFIG_SQUASHFS_LZO handling Squashfs: move squashfs_i() definition from squashfs.h Squashfs: get rid of default n in Kconfig Squashfs: add missing check in zlib_wrapper Squashfs: remove unnecessary variable in zlib_wrapper Squashfs: Add XZ compression configuration option Squashfs: add XZ compression support
2011-01-16ACPI: Fix boot problem related to APEI with acpi_disabled setRafael J. Wysocki2-5/+5
Commit 415e12b23792 ("PCI/ACPI: Request _OSC control once for each root bridge (v3)") put the acpi_hest_init() call in acpi_pci_root_init() into a wrong place, presumably because the author confused acpi_pci_disabled with acpi_disabled. Bring the code ordering in acpi_pci_root_init() back to sanity. Additionally, make sure that hest_disable is set when acpi_disabled is set, which is going to prevent acpi_hest_parse(), that still may be executed for acpi_disabled=1 through aer_acpi_firmware_first(), from crashing because of uninitialized hest_tab. Reported-and-tested-by: Andres Salomon <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16PCI / ACPI: Fix build of the AER driver for CONFIG_ACPI unsetRafael J. Wysocki1-3/+0
After commit 415e12b23792 ("PCI/ACPI: Request _OSC control once for each root bridge (v3)") include/linux/pci-acpi.h is included by drivers/pci/pcie/aer/aerdrv.c and if CONFIG_ACPI is unset, the bogus and unnecessary alternative definition of acpi_find_root_bridge_handle() causes a build error to occur. Remove the offending piece of garbage. Reported-and-tested-by: Stephen Rothwell <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-01-16Merge branch 'for-linus' of ↵Linus Torvalds40-854/+1009
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (23 commits) sanitize vfsmount refcounting changes fix old umount_tree() breakage autofs4: Merge the remaining dentry ops tables Unexport do_add_mount() and add in follow_automount(), not ->d_automount() Allow d_manage() to be used in RCU-walk mode Remove a further kludge from __do_follow_link() autofs4: Bump version autofs4: Add v4 pseudo direct mount support autofs4: Fix wait validation autofs4: Clean up autofs4_free_ino() autofs4: Clean up dentry operations autofs4: Clean up inode operations autofs4: Remove unused code autofs4: Add d_manage() dentry operation autofs4: Add d_automount() dentry operation Remove the automount through follow_link() kludge code from pathwalk CIFS: Use d_automount() rather than abusing follow_link() NFS: Use d_automount() rather than abusing follow_link() AFS: Use d_automount() rather than abusing follow_link() Add an AT_NO_AUTOMOUNT flag to suppress terminal automount ...
2011-01-16sanitize vfsmount refcounting changesAl Viro10-117/+75
Instead of splitting refcount between (per-cpu) mnt_count and (SMP-only) mnt_longrefs, make all references contribute to mnt_count again and keep track of how many are longterm ones. Accounting rules for longterm count: * 1 for each fs_struct.root.mnt * 1 for each fs_struct.pwd.mnt * 1 for having non-NULL ->mnt_ns * decrement to 0 happens only under vfsmount lock exclusive That allows nice common case for mntput() - since we can't drop the final reference until after mnt_longterm has reached 0 due to the rules above, mntput() can grab vfsmount lock shared and check mnt_longterm. If it turns out to be non-zero (which is the common case), we know that this is not the final mntput() and can just blindly decrement percpu mnt_count. Otherwise we grab vfsmount lock exclusive and do usual decrement-and-check of percpu mnt_count. For fs_struct.c we have mnt_make_longterm() and mnt_make_shortterm(); namespace.c uses the latter in places where we don't already hold vfsmount lock exclusive and opencodes a few remaining spots where we need to manipulate mnt_longterm. Note that we mostly revert the code outside of fs/namespace.c back to what we used to have; in particular, normal code doesn't need to care about two kinds of references, etc. And we get to keep the optimization Nick's variant had bought us... Signed-off-by: Al Viro <[email protected]>
2011-01-16fix old umount_tree() breakageAl Viro1-3/+5
Expiry-related code calls umount_tree() several times with the same list to collect vfsmounts to. Which is fine, except that umount_tree() implicitly assumed that the list would be empty on each call - it moves the victims over there and then iterates through the list kicking them out. It's *almost* idempotent, so everything nearly worked. However, mnt->ghosts handling (and thus expirability checks) had been broken - that part was not idempotent... The fix is trivial - use local temporary list, splice it to the the collector list when we are through. Signed-off-by: Al Viro <[email protected]>
2011-01-16btrfs: Require CAP_SYS_ADMIN for filesystem rebalanceBen Hutchings1-0/+4
Filesystem rebalancing (BTRFS_IOC_BALANCE) affects the entire filesystem and may run uninterruptibly for a long time. This does not seem to be something that an unprivileged user should be able to do. Reported-by: Aron Xu <[email protected]> Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-01-16Btrfs: don't warn if we get ENOSPC in btrfs_block_rsv_checkJosef Bacik1-5/+0
If we run low on space we could get a bunch of warnings out of btrfs_block_rsv_check, but this is mostly just called via the transaction code to see if we need to end the transaction, it expects to see failures, so let's not WARN and freak everybody out for no reason. Thanks, Signed-off-by: Josef Bacik <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-01-16btrfs: Fix memory leak in btrfs_read_fs_root_no_radix()Tsutomu Itoh1-0/+1
In btrfs_read_fs_root_no_radix(), 'root' is not freed if btrfs_search_slot() returns error. Signed-off-by: Tsutomu Itoh <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-01-16btrfs: check NULL or notTsutomu Itoh3-0/+16
Should check if functions returns NULL or not. Signed-off-by: Tsutomu Itoh <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-01-16btrfs: Don't pass NULL ptr to func that may deref it.Jesper Juhl1-0/+2
Hi, In fs/btrfs/inode.c::fixup_tree_root_location() we have this code: ... if (!path) { err = -ENOMEM; goto out; } ... out: btrfs_free_path(path); return err; btrfs_free_path() passes its argument on to other functions and some of them end up dereferencing the pointer. In the code above that pointer is clearly NULL, so btrfs_free_path() will eventually cause a NULL dereference. There are many ways to cut this cake (fix the bug). The one I chose was to make btrfs_free_path() deal gracefully with NULL pointers. If you disagree, feel free to come up with an alternative patch. Signed-off-by: Jesper Juhl <[email protected]> Signed-off-by: Chris Mason <[email protected]>
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