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2009-01-03ext4: add fsync batch tuning knobsTheodore Ts'o
Add new mount options, min_batch_time and max_batch_time, which controls how long the jbd2 layer should wait for additional filesystem operations to get batched with a synchronous write transaction. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-12-17ext4: display average commit timeTheodore Ts'o
Display the average commit time (which is used by the ext4 fsync batching patch) in /proc/fs/jbd2/*/info for performance tuning purposes. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-11-26jbd2: improve jbd2 fsync batchingJosef Bacik
This patch removes the static sleep time in favor of a more self optimizing approach where we measure the average amount of time it takes to commit a transaction to disk and the ammount of time a transaction has been running. If somebody does a sync write or an fsync() traditionally we would sleep for 1 jiffies, which depending on the value of HZ could be a significant amount of time compared to how long it takes to commit a transaction to the underlying storage. With this patch instead of sleeping for a jiffie, we check to see if the amount of time this transaction has been running is less than the average commit time, and if it is we sleep for the delta using schedule_hrtimeout to give us a higher precision sleep time. This greatly benefits high end storage where you could end up sleeping for longer than it takes to commit the transaction and therefore sitting idle instead of allowing the transaction to be committed by keeping the sleep time to a minimum so you are sure to always be doing something. Signed-off-by: Josef Bacik <jbacik@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-01-05ext4: Don't overwrite allocation_context ac_statusAneesh Kumar K.V
We can call ext4_mb_check_limits even after successfully allocating the requested blocks. In that case, make sure we don't overwrite ac_status if it already has the status AC_STATUS_FOUND. This fixes the lockdep warning: ============================================= [ INFO: possible recursive locking detected ] 2.6.28-rc6-autokern1 #1 --------------------------------------------- fsstress/11948 is trying to acquire lock: (&meta_group_info[i]->alloc_sem){----}, at: [<c04d9a49>] ext4_mb_load_buddy+0x9f/0x278 ..... stack backtrace: ..... [<c04db974>] ext4_mb_regular_allocator+0xbb5/0xd44 ..... but task is already holding lock: (&meta_group_info[i]->alloc_sem){----}, at: [<c04d9a49>] ext4_mb_load_buddy+0x9f/0x278 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
2009-01-05ext4: remove extraneous newlines from calls to ext4_error() and ext4_warning()Theodore Ts'o
This removes annoying blank syslog entries emitted by ext4_error() or ext4_warning(), since these functions add their own newline. Signed-off-by: Nick Warne <nick@ukfsn.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-01-05jbd2: Add barrier not supported test to journal_wait_on_commit_recordTheodore Ts'o
Xen doesn't report that barriers are not supported until buffer I/O is reported as completed, instead of when the buffer I/O is submitted. Add a check and a fallback codepath to journal_wait_on_commit_record() to detect this case, so that attempts to mount ext4 filesystems on LVM/devicemapper devices on Xen guests don't blow up with an "Aborting journal on device XXX"; "Remounting filesystem read-only" error. Thanks to Andreas Sundstrom for reporting this issue. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
2009-01-07ext4: Allow ext4 to run without a journalFrank Mayhar
A few weeks ago I posted a patch for discussion that allowed ext4 to run without a journal. Since that time I've integrated the excellent comments from Andreas and fixed several serious bugs. We're currently running with this patch and generating some performance numbers against both ext2 (with backported reservations code) and ext4 with and without a journal. It just so happens that running without a journal is slightly faster for most everything. We did iozone -T -t 4 s 2g -r 256k -T -I -i0 -i1 -i2 which creates 4 threads, each of which create and do reads and writes on a 2G file, with a buffer size of 256K, using O_DIRECT for all file opens to bypass the page cache. Results: ext2 ext4, default ext4, no journal initial writes 13.0 MB/s 15.4 MB/s 15.7 MB/s rewrites 13.1 MB/s 15.6 MB/s 15.9 MB/s reads 15.2 MB/s 16.9 MB/s 17.2 MB/s re-reads 15.3 MB/s 16.9 MB/s 17.2 MB/s random readers 5.6 MB/s 5.6 MB/s 5.7 MB/s random writers 5.1 MB/s 5.3 MB/s 5.4 MB/s So it seems that, so far, this was a useful exercise. Signed-off-by: Frank Mayhar <fmayhar@google.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-12-17ext4: Widen type of ext4_sb_info.s_mb_maxs[]Yasunori Goto
I chased the cause of following ext4 oops report which is tested on ia64 box. http://bugzilla.kernel.org/show_bug.cgi?id=12018 The cause is the size of s_mb_maxs array that is defined as "unsigned short" in ext4_sb_info structure. If the file system's block size is 8k or greater, an unsigned short is not wide enough to contain the value fs->blocksize << 3. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Miao Xie <miaox@cn.fujitsu.com> Cc: stable@kernel.org
2008-11-26ext4: When resizing set the EXT4_BG_INODE_ZEROED flag for new block groupsSolofo.Ramangalahy@bull.net
The inode table has been zeroed in setup_new_group_blocks(). Mark it as such in ext4_group_add(). Since we are currently clearing inode table for the new block group, we should set the EXT4_BG_INODE_ZEROED flag. If at some point in the future we don't immediately zero out the inode table as part of the resize operation, then obviously we shouldn't do this. Signed-off-by: Solofo.Ramangalahy@bull.net Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-11-26ext4: Use simple_strtol() instead of simple_strtoul() in ext4_ui_proc_openRoel Kluin
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-11-25jbd2: Add BH_JBDPrivateStartMark Fasheh
Add this so that file systems using JBD2 can safely allocate unused b_state bits. In this case, we add it so that Ocfs2 can define a single bit for tracking the validation state of a buffer. Signed-off-by: Mark Fasheh <mfasheh@suse.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-11-25ext4: fix build warningWu Fengguang
Replace `if' with `goto' to assure gcc that ix has been initialized. Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
2009-01-05ext4: avoid ext4_error when mounting a fs with a single bgAneesh Kumar K.V
Remove some completely unneeded code which which caused an ext4_error to be generated when mounting a file system with only a single block group. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
2009-01-05ext4: Fix the delalloc writepages to allocate blocks at the right offset.Aneesh Kumar K.V
When iterating through the pages which have mapped buffer_heads, we failed to update the b_state value. This results in allocating blocks at logical offset 0. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
2008-11-05ext4: tone down ext4_da_writepages warningsTheodore Ts'o
If the filesystem has errors, ext4_da_writepages() will return a *lot* of errors, including lots and lots of stack dumps. While it's true that we are dropping user data on the floor, which is unfortunate, the stack dumps aren't helpful, and they tend to obscure the true original root cause of the problem. So in the case where the filesystem has aborted, return an EROFS right away. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-12-12ext4: remove do_blk_alloc()Theodore Ts'o
The convenience function do_blk_alloc() is a static function with only one caller, so fold it into ext4_new_meta_blocks() to simplify the code and to make it easier to understand. To save more stack space, if count is a null pointer in ext4_new_meta_blocks() assume that caller wanted a single block (and if there is an error, no blocks were allocated). Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-12-07ext4: remove ext4_new_meta_block()Theodore Ts'o
There were only two one callers of the function ext4_new_meta_block(), which just a very simpler wrapper function around ext4_new_meta_blocks(). Change those two functions to call ext4_new_meta_blocks() directly, to save code and stack space usage. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-01-01ext4: remove ext4_new_blocks() and call ext4_mb_new_blocks() directlyTheodore Ts'o
There was only one caller of the compatibility function ext4_new_blocks(), in balloc.c's ext4_alloc_blocks(). Change it to call ext4_mb_new_blocks() directly, and remove ext4_new_blocks() altogether. This cleans up the code, by removing two extra functions from the call chain, and hopefully saving some stack usage. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2009-01-06Update Documentation/filesystems/ext4.txtTheodore Ts'o
Fix paragraph with recommendations on how to tune ext4 for benchmarks. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-12-06ext3/4: Fix loop index in do_split() so it is signedTheodore Ts'o
This fixes a gcc warning but it doesn't appear able to result in a failure, since the primary way the loop is exited is the first conditional in the for loop, and at least for a consistent filesystem, the signed/unsigned should in practice never be exposed. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-10-28ext4: Add support for non-native signed/unsigned htree hash algorithmsTheodore Ts'o
The original ext3 hash algorithms assumed that variables of type char were signed, as God and K&R intended. Unfortunately, this assumption is not true on some architectures. Userspace support for marking filesystems with non-native signed/unsigned chars was added two years ago, but the kernel-side support was never added (until now). Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-10-28ext3: Add support for non-native signed/unsigned htree hash algorithmsTheodore Ts'o
The original ext3 hash algorithms assumed that variables of type char were signed, as God and K&R intended. Unfortunately, this assumption is not true on some architectures. Userspace support for marking filesystems with non-native signed/unsigned chars was added two years ago, but the kernel-side support was never added (until now). Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org
2008-10-29ext4: fix printk format warningAlexander Beregalov
fs/ext4/balloc.c:607: warning: format '%lld' expects type 'long long int', but argument 2 has type 's64' fs/ext4/inode.c:1822: warning: format '%lld' expects type 'long long int', but argument 2 has type 's64' fs/ext4/inode.c:1824: warning: format '%lld' expects type 'long long int', but argument 2 has type 's64' Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2009-01-04Merge branch 'audit.b61' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current * 'audit.b61' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: audit: validate comparison operations, store them in sane form clean up audit_rule_{add,del} a bit make sure that filterkey of task,always rules is reported audit rules ordering, part 2 fixing audit rule ordering mess, part 1 audit_update_lsm_rules() misses the audit_inode_hash[] ones sanitize audit_log_capset() sanitize audit_fd_pair() sanitize audit_mq_open() sanitize AUDIT_MQ_SENDRECV sanitize audit_mq_notify() sanitize audit_mq_getsetattr() sanitize audit_ipc_set_perm() sanitize audit_ipc_obj() sanitize audit_socketcall don't reallocate buffer in every audit_sockaddr()
2009-01-04rtc: add alarm/update irq interfacesAlessandro Zummo
Add standard interfaces for alarm/update irqs enabling. Drivers are no more required to implement equivalent ioctl code as rtc-dev will provide it. UIE emulation should now be handled correctly and will work even for those RTC drivers who cannot be configured to do both UIE and AIE. Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04fs: symlink write_begin allocation context fixNick Piggin
With the write_begin/write_end aops, page_symlink was broken because it could no longer pass a GFP_NOFS type mask into the point where the allocations happened. They are done in write_begin, which would always assume that the filesystem can be entered from reclaim. This bug could cause filesystem deadlocks. The funny thing with having a gfp_t mask there is that it doesn't really allow the caller to arbitrarily tinker with the context in which it can be called. It couldn't ever be GFP_ATOMIC, for example, because it needs to take the page lock. The only thing any callers care about is __GFP_FS anyway, so turn that into a single flag. Add a new flag for write_begin, AOP_FLAG_NOFS. Filesystems can now act on this flag in their write_begin function. Change __grab_cache_page to accept a nofs argument as well, to honour that flag (while we're there, change the name to grab_cache_page_write_begin which is more instructive and does away with random leading underscores). This is really a more flexible way to go in the end anyway -- if a filesystem happens to want any extra allocations aside from the pagecache ones in ints write_begin function, it may now use GFP_KERNEL (rather than GFP_NOFS) for common case allocations (eg. ocfs2_alloc_write_ctxt, for a random example). [kosaki.motohiro@jp.fujitsu.com: fix ubifs] [kosaki.motohiro@jp.fujitsu.com: fix fuse] Signed-off-by: Nick Piggin <npiggin@suse.de> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: <stable@kernel.org> [2.6.28.x] Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> [ Cleaned up the calling convention: just pass in the AOP flags untouched to the grab_cache_page_write_begin() function. That just simplifies everybody, and may even allow future expansion of the logic. - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04viafb: fix crashes due to 4k stack overflowBruno Prémont
The function viafb_cursor() uses 2 stack-variables of CURSOR_SIZE bits; CURSOR_SIZE is defined as (8 * 1024). Using up twice 1k on stack is too much for 4k-stack (though it works with 8k-stacks). Make those two variables kzalloc'ed to preserve stack space. Also merge the whole lot of local struct's in viafb_ioctl into a union so the stack usage gets minimized here as well. (struct's are only accessed in their indicidual IOCTL case) This second part is only compile-tested as I know of no userspace app using the IOCTLs. Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Cc: <JosephChan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04fs: introduce bgl_lock_ptr()Pekka Enberg
As suggested by Andreas Dilger, introduce a bgl_lock_ptr() helper in <linux/blockgroup_lock.h> and add separate sb_bgl_lock() helpers to filesystem specific header files to break the hidden dependency to struct ext[234]_sb_info. Also, while at it, convert the macros to static inlines to try make up for all the times I broke Andrew Morton's tree. Acked-by: Andreas Dilger <adilger@sun.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04spi.h uses/needs device.hRandy Dunlap
Include header files as used/needed: In file included from drivers/leds/leds-dac124s085.c:16: include/linux/spi/spi.h:66: error: field 'dev' has incomplete type include/linux/spi/spi.h: In function 'to_spi_device': include/linux/spi/spi.h:100: warning: type defaults to 'int' in declaration of '__mptr' ... Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04vmalloc.c: fix flushing in vmap_page_range()Adam Lackorzynski
The flush_cache_vmap in vmap_page_range() is called with the end of the range twice. The following patch fixes this for me. Signed-off-by: Adam Lackorzynski <adam@os.inf.tu-dresden.de> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04cgroups: fix a race between cgroup_clone and umountLi Zefan
The race is calling cgroup_clone() while umounting the ns cgroup subsys, and thus cgroup_clone() might access invalid cgroup_fs, or kill_sb() is called after cgroup_clone() created a new dir in it. The BUG I triggered is BUG_ON(root->number_of_cgroups != 1); ------------[ cut here ]------------ kernel BUG at kernel/cgroup.c:1093! invalid opcode: 0000 [#1] SMP ... Process umount (pid: 5177, ti=e411e000 task=e40c4670 task.ti=e411e000) ... Call Trace: [<c0493df7>] ? deactivate_super+0x3f/0x51 [<c04a3600>] ? mntput_no_expire+0xb3/0xdd [<c04a3ab2>] ? sys_umount+0x265/0x2ac [<c04a3b06>] ? sys_oldumount+0xd/0xf [<c0403911>] ? sysenter_do_call+0x12/0x31 ... EIP: [<c0456e76>] cgroup_kill_sb+0x23/0xe0 SS:ESP 0068:e411ef2c ---[ end trace c766c1be3bf944ac ]--- Cc: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: "Serge E. Hallyn" <serue@us.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-04audit: validate comparison operations, store them in sane formAl Viro
Don't store the field->op in the messy (and very inconvenient for e.g. audit_comparator()) form; translate to dense set of values and do full validation of userland-submitted value while we are at it. ->audit_init_rule() and ->audit_match_rule() get new values now; in-tree instances updated. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04clean up audit_rule_{add,del} a bitAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04make sure that filterkey of task,always rules is reportedAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04audit rules ordering, part 2Al Viro
Fix the actual rule listing; add per-type lists _not_ used for matching, with all exit,... sitting on one such list. Simplifies "do something for all rules" logics, while we are at it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04fixing audit rule ordering mess, part 1Al Viro
Problem: ordering between the rules on exit chain is currently lost; all watch and inode rules are listed after everything else _and_ exit,never on one kind doesn't stop exit,always on another from being matched. Solution: assign priorities to rules, keep track of the current highest-priority matching rule and its result (always/never). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04audit_update_lsm_rules() misses the audit_inode_hash[] onesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_log_capset()Al Viro
* no allocations * return void * don't duplicate checked for dummy context Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_fd_pair()Al Viro
* no allocations * return void Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_mq_open()Al Viro
* don't bother with allocations * don't do double copy_from_user() * don't duplicate parts of check for audit_dummy_context() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize AUDIT_MQ_SENDRECVAl Viro
* logging the original value of *msg_prio in mq_timedreceive(2) is insane - the argument is write-only (i.e. syscall always ignores the original value and only overwrites it). * merge __audit_mq_timed{send,receive} * don't do copy_from_user() twice * don't mess with allocations in auditsc part * ... and don't bother checking !audit_enabled and !context in there - we'd already checked for audit_dummy_context(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_mq_notify()Al Viro
* don't copy_from_user() twice * don't bother with allocations * don't duplicate parts of audit_dummy_context() * make it return void Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_mq_getsetattr()Al Viro
* get rid of allocations * make it return void * don't duplicate parts of audit_dummy_context() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_ipc_set_perm()Al Viro
* get rid of allocations * make it return void * simplify callers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_ipc_obj()Al Viro
* get rid of allocations * make it return void * simplify callers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04sanitize audit_socketcallAl Viro
* don't bother with allocations * now that it can't fail, make it return void Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-04don't reallocate buffer in every audit_sockaddr()Al Viro
No need to do that more than once per process lifetime; allocating/freeing on each sendto/accept/etc. is bloody pointless. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-01-03Merge branch 'cpus4096-for-linus-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (77 commits) x86: setup_per_cpu_areas() cleanup cpumask: fix compile error when CONFIG_NR_CPUS is not defined cpumask: use alloc_cpumask_var_node where appropriate cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_t x86: use cpumask_var_t in acpi/boot.c x86: cleanup some remaining usages of NR_CPUS where s/b nr_cpu_ids sched: put back some stack hog changes that were undone in kernel/sched.c x86: enable cpus display of kernel_max and offlined cpus ia64: cpumask fix for is_affinity_mask_valid() cpumask: convert RCU implementations, fix xtensa: define __fls mn10300: define __fls m32r: define __fls h8300: define __fls frv: define __fls cris: define __fls cpumask: CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS cpumask: zero extra bits in alloc_cpumask_var_node cpumask: replace for_each_cpu_mask_nr with for_each_cpu in kernel/time/ cpumask: convert mm/ ...
2009-01-03Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu: (89 commits) AMD IOMMU: remove now unnecessary #ifdefs AMD IOMMU: prealloc_protection_domains should be static kvm/iommu: fix compile warning AMD IOMMU: add statistics about total number of map requests AMD IOMMU: add statistics about allocated io memory AMD IOMMU: add stats counter for domain tlb flushes AMD IOMMU: add stats counter for single iommu domain tlb flushes AMD IOMMU: add stats counter for cross-page request AMD IOMMU: add stats counter for free_coherent requests AMD IOMMU: add stats counter for alloc_coherent requests AMD IOMMU: add stats counter for unmap_sg requests AMD IOMMU: add stats counter for map_sg requests AMD IOMMU: add stats counter for unmap_single requests AMD IOMMU: add stats counter for map_single requests AMD IOMMU: add stats counter for completion wait events AMD IOMMU: add init code for statistic collection AMD IOMMU: add necessary header defines for stats counting AMD IOMMU: add Kconfig entry for statistic collection code AMD IOMMU: use dev_name in iommu_enable function AMD IOMMU: use calc_devid in prealloc_protection_domains ...
2009-01-03Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (34 commits) V4L/DVB (10173): Missing v4l2_prio_close in radio_release V4L/DVB (10172): add DVB_DEVICE_TYPE= to uevent V4L/DVB (10171): Use usb_set_intfdata V4L/DVB (10170): tuner-simple: prevent possible OOPS caused by divide by zero error V4L/DVB (10168): sms1xxx: fix inverted gpio for lna control on tiger r2 V4L/DVB (10167): sms1xxx: add support for inverted gpio V4L/DVB (10166): dvb frontend: stop using non-C99 compliant comments V4L/DVB (10165): Add FE_CAN_2G_MODULATION flag to frontends that support DVB-S2 V4L/DVB (10164): Add missing S2 caps flag to S2API V4L/DVB (10163): em28xx: allocate adev together with struct em28xx dev V4L/DVB (10162): tuner-simple: Fix tuner type set message V4L/DVB (10161): saa7134: fix autodetection for AVer TV GO 007 FM Plus V4L/DVB (10160): em28xx: update chip id for em2710 V4L/DVB (10157): Add USB ID for the Sil4701 radio from DealExtreme V4L/DVB (10156): saa7134: Add support for Avermedia AVer TV GO 007 FM Plus V4L/DVB (10155): Add TEA5764 radio driver V4L/DVB (10154): saa7134: fix a merge conflict on Behold H6 board V4L/DVB (10153): Add the Beholder H6 card to DVB-T part of sources. V4L/DVB (10152): Change configuration of the Beholder H6 card V4L/DVB (10151): Fix I2C bridge error in zl10353 ...
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