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2010-10-29Btrfs: fix lockdep warning on clone ioctlSage Weil1-4/+4
I'm no lockdep expert, but this appears to make the lockdep warning go away for the i_mutex locking in the clone ioctl. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: fix clone ioctl where range is adjacent to extentSage Weil1-1/+1
We had an edge case issue where the requested range was just following an existing extent. Instead of skipping to the next extent, we used the previous one which lead to having zero sized extents. Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: fix delalloc checks in clone ioctlSage Weil1-3/+5
The lookup_first_ordered_extent() was done on the wrong inode, and the ->delalloc_bytes test was wrong, as the following btrfs_wait_ordered_range() would only invoke a range write and wouldn't write the entire file data range. Also, a bad parameter was passed to btrfs_wait_ordered_range(). Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: drop unused variable in block_alloc_rsvChris Mason1-4/+0
The alloc_target variable is not really used. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: cleanup warnings from gcc 4.6 (nonbugs)Andi Kleen15-94/+4
These are all the cases where a variable is set, but not read which are not bugs as far as I can see, but simply leftovers. Still needs more review. Found by gcc 4.6's new warnings Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: Fix variables set but not read (bugs found by gcc 4.6)Andi Kleen5-6/+10
These are all the cases where a variable is set, but not read which are really bugs. - Couple of incorrect error handling fixed. - One incorrect use of a allocation policy - Some other things Still needs more review. Found by gcc 4.6's new warnings. [akpm@linux-foundation.org: fix build. Might have been bitrot] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: Use ERR_CAST helpersJulia Lawall2-3/+3
Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)). The former makes more clear what is the purpose of the operation, which otherwise looks like a no-op. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ type T; T x; identifier f; @@ T f (...) { <+... - ERR_PTR(PTR_ERR(x)) + x ...+> } @@ expression x; @@ - ERR_PTR(PTR_ERR(x)) + ERR_CAST(x) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: use memdup_user helpersJulia Lawall1-14/+6
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Chris Mason <chris.mason@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: fix raid code for removing missing drivesChris Mason1-2/+1
When btrfs is mounted in degraded mode, it has some internal structures to track the missing devices. This missing device is setup as readonly, but the mapping code can get upset when we try to write to it. This changes the mapping code to return -EIO instead of oops when we try to write to the readonly device. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: Switch the extent buffer rbtree into a radix treeMiao Xie2-69/+49
This patch reduces the CPU time spent in the extent buffer search by using the radix tree instead of the rbtree and using the rcu lock instead of the spin lock. I did a quick test by the benchmark tool[1] and found the patch improve the file creation/deletion performance problem that I have reported[2]. Before applying this patch: Create files: Total files: 50000 Total time: 0.971531 Average time: 0.000019 Delete files: Total files: 50000 Total time: 1.366761 Average time: 0.000027 After applying this patch: Create files: Total files: 50000 Total time: 0.927455 Average time: 0.000019 Delete files: Total files: 50000 Total time: 1.292280 Average time: 0.000026 [1] http://marc.info/?l=linux-btrfs&m=128212635122920&q=p3 [2] http://marc.info/?l=linux-btrfs&m=128212635122920&w=2 Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: restructure try_release_extent_buffer()Miao Xie1-11/+37
restructure try_release_extent_buffer() and write a function to release the extent buffer. It will be used later. Signed-off-by: Miao Xie <miaox@cn.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: use the flusher threads for delalloc throttlingChris Mason1-18/+15
We have a fairly complex set of loops around walking our list of delalloc inodes when we find metadata delalloc space running low. It doesn't work very well, can use large amounts of CPU and doesn't do very efficient writeback. This switches us to kick the bdi flusher threads instead. All dirty data in btrfs is accounted as delalloc data, so this is very similar in terms of what it writes, but we're able to just kick off the IO and wait for progress. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: tune the chunk allocation to 5% of the FS as metadataChris Mason1-4/+18
An earlier commit tried to keep us from allocating too many empty metadata chunks. It was somewhat too restrictive and could lead to ENOSPC errors on empty filesystems. This increases the limits to about 5% of the FS size, allowing more metadata chunks to be preallocated. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Add new functions for triggering inode writebackChris Mason2-10/+44
When btrfs is running low on metadata space, it needs to force delayed allocation pages to disk. It currently does this with a suboptimal walk of a private list of inodes with delayed allocation, and it would be much better if we used the generic flusher threads. writeback_inodes_sb_if_idle would be ideal, but it waits for the flusher thread to start IO on all the dirty pages in the FS before it returns. This adds variants of writeback_inodes_sb* that allow the caller to control how many pages get sent down. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: don't loop forever on bad btree blocksChris Mason1-9/+28
When btrfs discovers the generation number in a btree block is incorrect, it can loop forever without forcing the RAID code to try a valid mirror, and without returning EIO. This changes things to properly kick out the EIO. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-workChris Mason7-179/+294
Conflicts: fs/btrfs/extent-tree.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
2010-10-29Btrfs: let the user know space caching is enabledJosef Bacik1-0/+2
If you mount -o space_cache, the option will be persistent across mounts, but to make sure the user knows that they did this, emit a message telling them if they didn't mount with -o space_cache but the feature is still used. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-29Btrfs: Add a clear_cache mount optionJosef Bacik4-3/+8
If something goes wrong with the free space cache we need a way to make sure it's not loaded on mount and that it's cleared for everybody. When you pass the clear_cache option it will make it so all block groups are setup to be cleared, which keeps them from being loaded and then they will be truncated when the transaction is committed. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-29Btrfs: add support for mixed data+metadata block groupsJosef Bacik2-4/+28
There are just a few things that need to be fixed in the kernel to support mixed data+metadata block groups. Mostly we just need to make sure that if we are using mixed block groups that we continue to allocate mixed block groups as we need them. Also we need to make sure __find_space_info will find our space info if we search for DATA or METADATA only. Tested this with xfstests and it works nicely. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-29Btrfs: check cache->caching_ctl before returning if caching has startedJosef Bacik1-0/+6
With the free space disk caching we can mark the block group as started with the caching, but we don't have a caching ctl. This can race with anybody else who tries to get the caching ctl before we cache (this is very hard to do btw). So instead check to see if cache->caching_ctl is set, and if not return NULL. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-29Btrfs: load free space cache if it existsJosef Bacik3-3/+345
This patch actually loads the free space cache if it exists. The only thing that really changes here is that we need to cache the block group if we're going to remove an extent from it. Previously we did not do this since the caching kthread would pick it up. With the on disk cache we don't have this luxury so we need to make sure we read the on disk cache in first, and then remove the extent, that way when the extent is unpinned the free space is added to the block group. This has been tested with all sorts of things. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-29Btrfs: write out free space cacheJosef Bacik6-13/+420
This is a simple bit, just dump the free space cache out to our preallocated inode when we're writing out dirty block groups. There are a bunch of changes in inode.c in order to account for special cases. Mostly when we're doing the writeout we're holding trans_mutex, so we need to use the nolock transacation functions. Also we can't do asynchronous completions since the async thread could be blocked on already completed IO waiting for the transaction lock. This has been tested with xfstests and btrfs filesystem balance, as well as my ENOSPC tests. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-28Btrfs: create special free space cache inodeJosef Bacik10-46/+668
In order to save free space cache, we need an inode to hold the data, and we need a special item to point at the right inode for the right block group. So first, create a special item that will point to the right inode, and the number of extent entries we will have and the number of bitmaps we will have. We truncate and pre-allocate space everytime to make sure it's uptodate. This feature will be turned on as soon as you mount with -o space_cache, however it is safe to boot into old kernels, they will just generate the cache the old fashion way. When you boot back into a newer kernel we will notice that we modified and not the cache and automatically discard the cache. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-26Btrfs: remove warn_on from use_block_rsvJosef Bacik1-5/+0
Because btrfs_dirty_inode does a btrfs_join_transaction, it doesn't actually reserve space. It does this so we can try and dirty the inode quickly without having to deal with the ENOSPC problems. But if it does get back ENOSPC it handles it properly. The problem is use_block_rsv does a WARN_ON whenever this case happens, even tho btrfs_dirty_inode takes it into account and actually expects to get -ENOSPC if things are particularly tight. So instead just remove the warning. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-26Btrfs: set trans to null in reserve_metadata_bytes if we commit the transactionJosef Bacik1-3/+6
btrfs_commit_transaction will free our trans, but because we pass trans to shrink_delalloc we could possibly have a use after free situation. So instead if we commit the transaction, set trans to null and set committed to true so we don't keep trying to commit a transaction. This fixes a panic I could reproduce at will. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: fix error handling in btrfs_get_sbJosef Bacik1-4/+3
If we failed to find the root subvol id, or the subvol=<name>, we would deactivate the locked super and close the devices. The problem is at this point we have gotten the SB all setup, which includes setting super_operations, so when we'd deactiveate the super, we'd do a close_ctree() which closes the devices, so we'd end up closing the devices twice. So if you do something like this mount /dev/sda1 /mnt/test1 mount /dev/sda1 /mnt/test2 -o subvol=xxx umount /mnt/test1 it would blow up (if subvol xxx doesn't exist). This patch fixes that problem. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: rework how we reserve metadata bytesJosef Bacik4-127/+136
With multi-threaded writes we were getting ENOSPC early because somebody would come in, start flushing delalloc because they couldn't make their reservation, and in the meantime other threads would come in and use the space that was getting freed up, so when the original thread went to check to see if they had space they didn't and they'd return ENOSPC. So instead if we have some free space but not enough for our reservation, take the reservation and then start doing the flushing. The only time we don't take reservations is when we've already overcommitted our space, that way we don't have people who come late to the party way overcommitting ourselves. This also moves all of the retrying and flushing code into reserve_metdata_bytes so it's all uniform. This keeps my fs_mark test from returning -ENOSPC as soon as it starts and actually lets me fill up the disk. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: don't allocate chunks as aggressivelyJosef Bacik1-2/+5
Because the ENOSPC code over reserves super aggressively we end up allocating chunks way more often than we should. For example with my fs_mark tests on a 2gb fs I can end up reserved 1gb just for metadata, when only 34mb of that is being used. So instead check to see if the amount of space actually used is less than 30% of the total space, and if so don't allocate a chunk, but only if we have at least 256mb of free space to make sure we don't put too much pressure on free space. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: re-work delalloc flushingJosef Bacik3-15/+38
Currently we try and flush delalloc, but we only do that in a sort of weak way, which works fine in most cases but if we're under heavy pressure we need to be able to wait for flushing to happen. Also instead of checking the bytes reserved in the block_rsv, check the space info since it is more accurate. The sync option will be used in a future patch. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: fix reservation code for mixed block groupsJosef Bacik1-2/+6
The global reservation stuff tries to add together DATA and METADATA used in order to figure out how much to reserve for everything, but this doesn't work right for mixed block groups. Instead if we have mixed block groups just set data used to 0. Also with mixed block groups we will use bytes_may_use for keeping track of delalloc bytes, so we need to take that into account in our reservation calculations. Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: fix df regressionJosef Bacik3-3/+23
The new ENOSPC stuff breaks out the raid types which breaks the way we were reporting df to the system. This fixes it back so that Available is the total space available to data and used is the actual bytes used by the filesystem. This means that Available is Total - data used - all of the metadata space. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: fix the df ioctl to report raid typesJosef Bacik1-24/+76
The new ENOSPC stuff broke the df ioctl since we no longer create seperate space info's for each RAID type. So instead, loop through each space info's raid lists so we can get the right RAID information which will allow the df ioctl to tell us RAID types again. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-22Btrfs: stop trying to shrink delalloc if there are no inodes to reclaimJosef Bacik1-0/+5
In very severe ENOSPC cases we can run out of inodes to do delalloc on, which means we'll just keep looping trying to shrink delalloc. Instead, if we fail to shrink delalloc 3 times in a row break out since we're not likely to make any progress. Tested this with a 100mb fs an xfstests test 13. Before the patch it would hang the box, with the patch we get -ENOSPC like we should. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com>
2010-10-20Linux 2.6.36Linus Torvalds1-1/+1
2010-10-20Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds7-9/+14
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: O32 compat/N32: Fix to use compat syscall wrappers for AIO syscalls. MAINTAINERS: Change list for ioc_serial to linux-serial. SERIAL: ioc3_serial: Return -ENOMEM on memory allocation failure MIPS: jz4740: Fix Kbuild Platform file. MIPS: Repair Kbuild make clean breakage.
2010-10-20virtio: console: Don't block entire guest if host doesn't read dataAmit Shah1-3/+14
If the host is slow in reading data or doesn't read data at all, blocking write calls not only blocked the program that called write() but the entire guest itself. To overcome this, let's not block till the host signals it has given back the virtio ring element we passed it. Instead, send the buffer to the host and return to userspace. This operation then becomes similar to how non-blocking writes work, so let's use the existing code for this path as well. This code change also ensures blocking write calls do get blocked if there's not enough room in the virtio ring as well as they don't return -EAGAIN to userspace. Signed-off-by: Amit Shah <amit.shah@redhat.com> Acked-by: Hans de Goede <hdegoede@redhat.com> CC: stable@kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds2-3/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] bsg: fix incorrect device_status value [SCSI] Fix VPD inquiry page wrapper
2010-10-20Merge branch 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds3-44/+19
* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Fix fs/gs reload oops with invalid ldt
2010-10-19MIPS: O32 compat/N32: Fix to use compat syscall wrappers for AIO syscalls.Michel Thebeau2-6/+6
[Ralf: Michel's original patch only fixed N32; I replicated the same fix for O32.] Signed-off-by: Michel Thebeau <michel.thebeau@windriver.com> Cc: paul.gortmaker@windriver.com Cc: bruce.ashfield@windriver.com Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19MAINTAINERS: Change list for ioc_serial to linux-serial.Ralf Baechle1-1/+1
IOC3 is also being used on SGI MIPS systems but this particular driver is only being used on IA64 systems so linux-mips made no sense as a list. Pat also thinks linux-serial@vger.kernel.org is the better list. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19SERIAL: ioc3_serial: Return -ENOMEM on memory allocation failureJulia Lawall1-0/+1
In this code, 0 is returned on memory allocation failure, even though other failures return -ENOMEM or other similar values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression ret; expression x,e1,e2,e3; @@ ret = 0 ... when != ret = e1 *x = \(kmalloc\|kcalloc\|kzalloc\)(...) ... when != ret = e2 if (x == NULL) { ... when != ret = e3 return ret; } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> To: Pat Gefre <pfg@sgi.com> Cc: kernel-janitors@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1704/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19MIPS: jz4740: Fix Kbuild Platform file.David Daney1-1/+1
The platform specific files should be included via the platform-y variable. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Patchwork: https://patchwork.linux-mips.org/patch/1719/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19MIPS: Repair Kbuild make clean breakage.David Daney2-1/+5
When running make clean, Kbuild doesn't process the .config file, so nothing generates a platform-y variable. We can get it to descend into the platform directories by setting $(obj-). The dec Platform file was unconditionally setting platform-, obliterating its previous contents and preventing some directories from being cleaned. This is change to an append operation '+=' to allow cavium-octeon to be cleaned. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Sam Ravnborg <sam@ravnborg.org> Patchwork: https://patchwork.linux-mips.org/patch/1718/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds1-16/+12
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: avivo cursor workaround applies to evergreen as well
2010-10-19KVM: Fix fs/gs reload oops with invalid ldtAvi Kivity3-44/+19
kvm reloads the host's fs and gs blindly, however the underlying segment descriptors may be invalid due to the user modifying the ldt after loading them. Fix by using the safe accessors (loadsegment() and load_gs_index()) instead of home grown unsafe versions. This is CVE-2010-3698. KVM-Stable-Tag. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-18Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds12-44/+53
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Enable ISA_DMA_API config to fix build failure MIPS: 32-bit: Fix build failure in asm/fcntl.h MIPS: Remove all generated vmlinuz* files on "make clean" MIPS: do_sigaltstack() expects userland pointers MIPS: Fix error values in case of bad_stack MIPS: Sanitize restart logics MIPS: secure_computing, syscall audit: syscall number should in r2, not r0. MIPS: Don't block signals if we'd failed to setup a sigframe
2010-10-18Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds1-1/+7
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: evdev - fix EVIOCSABS regression Input: evdev - fix Ooops in EVIOCGABS/EVIOCSABS
2010-10-18Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6Linus Torvalds2-26/+1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: ohci: fix TI TSB82AA2 regression since 2.6.35
2010-10-18mxc_nand: do not depend on disabling the irq in the interrupt handlerSascha Hauer1-9/+83
This patch reverts the driver to enabling/disabling the NFC interrupt mask rather than enabling/disabling the system interrupt. This cleans up the driver so that it doesn't rely on interrupts being disabled within the interrupt handler. For i.MX21 we keep the current behaviour, that is calling enable_irq/disable_irq_nosync to enable/disable interrupts. This patch is based on earlier work by John Ogness. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: John Ogness <john.ogness@linutronix.de> Tested-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-18Merge branch 'for-linus/i2c/2636-rc8' of git://git.fluff.org/bjdooks/linuxLinus Torvalds2-18/+18
* 'for-linus/i2c/2636-rc8' of git://git.fluff.org/bjdooks/linux: i2c-imx: do not allow interruptions when waiting for I2C to complete i2c-davinci: Fix TX setup for more SoCs
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