| Commit message (Collapse) | Author | Age | Files | Lines |
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Create hwmods for ocp2scp3 and sata modules.
[Roger Q] Clean up.
CC: Benoit Cousson <bcousson@baylibre.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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am43xx reset register layout is more similar to am33xx than omap4 so
use the am33xx functions for hwmod hardreset soc_ops rather than the
currently used omap4 functions. Without this, assert_hardreset and
deassert_hardreset will not work on am43xx.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
[paul@pwsan.com: fixed build errors for an AM43xx-only Kconfig]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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N900 now seems to shut down the external oscillator when hitting
off-idle.
And Beagle XM seems to have OSC_EN pin connected to allow shutting
down the oscillator looking at the schematics. The oscillator
output is cut off in off-idle and you can monitor it from R56 on
the bottom side of the board near the power jack. Note that for
beagle we need to also enable the UART wake-up event, the others
have that enabled in earlier patches.
OMAP37XX EVM (TMDSEVM3730) does not seem to have twl4030 clken
pin connected, so there is no point trying to enable shutting
down of the oscillator on it for the extra latency it adds.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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BCM (Kona/capri platform) has regressed in two ways on this release. First,
bcm_defconfig no longer selected the appropriate MMC driver options due to
changes in dependencies. Secondly, the new MFD and regulator drivers were not
enabled on multi_v7_defconfig, so that caused the system to fail probing MMC
there.
Fix by enabling the new options as needed.
Cc: Matt Porter <matt.porter@linaro.org>
Cc: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak
which I introduced in the last round of cleanups :("
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix memory leak when calling irq_free_hwirqs()
irqchip: spear_shirq: Fix interrupt offset
irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive
irqchip: armada-370-xp: Mask all interrupts during initialization.
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irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0
which makes it a no-op since the interrupt count to free is
decremented in itself.
Fixes: 7b6ef1262549f6afc5c881aaef80beb8fd15f908
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1404167084-8070-1-git-send-email-keith.busch@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The ras3 block on spear320 claims to have 3 interrupts. In fact it has
one and 6 reserved interrupts. Account the 6 reserved to this block so
it has 7 interrupts total. That matches the datasheet and the device
tree entries.
Broken since commit 80515a5a(ARM: SPEAr3xx: shirq: simplify and move
the shared irq multiplexor to DT). Testing is overrated....
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20140619212712.872379208@linutronix.de
Fixes: 80515a5a2e3c ('ARM: SPEAr3xx: shirq: simplify and move the shared irq multiplexor to DT')
Cc: <stable@vger.kernel.org> # v3.8+
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The driver was configuring the interrupt handler for the Level-2
interrupts to be "level" triggered while they are in fact "edge"
triggered. Fix this by using the correct handler.
Reported-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lkml.kernel.org/r/1402337102-19428-1-git-send-email-f.fainelli@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Until now, the irq-armada-370-xp irqchip driver was not masking all
interrupts at initialization. While in most cases this is not a
problem because the bootloader has probably masked all interrupts, it
becomes a problem when you use kexec: you're in kernel A, with many
interrupts enabled, and then kexec into kernel B, without going
through the bootloader. So during the boot process, if an interrupt
occurs while the corresponding driver has not been loaded, you would
get spurious interrupts.
This commit fixes that by ensuring all interrupts are properly masked
when the irqchip driver is initialized. Note that interrupt masking
takes place at two level: at the global level (main_int_base) and at
the per-CPU level (per_cpu_int_base).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1401481098-23326-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull ARM64 fixes from Catalin Marinas:
- Exception level check at boot time (for completeness, not triggering
any bug before)
- I/D-cache synchronisation logic for huge pages
- Config symbol typo
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: fix el2_setup check of CurrentEL
arm64: mm: Make icache synchronisation logic huge page aware
arm64: mm: Fix horrendous config typo
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The CurrentEL system register reports the Current Exception Level
of the CPU. It doesn't say anything about the stack handling, and
yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h.
It works by chance because PSR_MODE_EL2t happens to match the right
bits, but that's otherwise a very bad idea. Just check for the EL
value instead.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[catalin.marinas@arm.com: fixed arch/arm64/kernel/efi-entry.S]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The __sync_icache_dcache routine will only flush the dcache for the
first page of a compound page, potentially leading to stale icache
data residing further on in a hugetlb page.
This patch addresses this issue by taking into consideration the
order of the page when flushing the dcache.
Reported-by: Mark Brown <broonie@linaro.org>
Tested-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org> # v3.11+
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The define ARM64_64K_PAGES is tested for rather than
CONFIG_ARM64_64K_PAGES. Correct that typo here.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Pull md bugfixes from Neil Brown:
"Two minor bugfixes for md in 3.16"
* tag 'md/3.16-fixes' of git://neil.brown.name/md:
md: flush writes before starting a recovery.
md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
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When we write to a degraded array which has a bitmap, we
make sure the relevant bit in the bitmap remains set when
the write completes (so a 're-add' can quickly rebuilt a
temporarily-missing device).
If, immediately after such a write starts, we incorporate a spare,
commence recovery, and skip over the region where the write is
happening (because the 'needs recovery' flag isn't set yet),
then that write will not get to the new device.
Once the recovery finishes the new device will be trusted, but will
have incorrect data, leading to possible corruption.
We cannot set the 'needs recovery' flag when we start the write as we
do not know easily if the write will be "degraded" or not. That
depends on details of the particular raid level and particular write
request.
This patch fixes a corruption issue of long standing and so it
suitable for any -stable kernel. It applied correctly to 3.0 at
least and will minor editing to earlier kernels.
Reported-by: Bill <billstuff2001@sbcglobal.net>
Tested-by: Bill <billstuff2001@sbcglobal.net>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/53A518BB.60709@sbcglobal.net
Signed-off-by: NeilBrown <neilb@suse.de>
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If an array has a bitmap, the when we set the "has bitmap" flag we
incorrectly clear the "is clean" flag.
"is clean" isn't really important when a bitmap is present, but it is
best to get it right anyway.
Reported-by: George Duffield <forumscollective@gmail.com>
Link: http://lkml.kernel.org/CAG__1a4MRV6gJL38XLAurtoSiD3rLBTmWpcS5HYvPpSfPR88UQ@mail.gmail.com
Fixes: 36fa30636fb84b209210299684e1be66d9e58217 (v2.6.14)
Signed-off-by: NeilBrown <neilb@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
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controller
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK
by programming the M/N values as per the core display clock (CDCLK) queried from
i915 display driver.
And the audio driver will also set BCLK in azx_first_init() since the display
driver can turn off the shared power in boot phase if only eDP is connected
and M/N values will be lost and must be reprogrammed.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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For Haswell and Broadwell, if the display power well has been disabled,
the display audio controller divider values EM4 M VALUE and EM5 N VALUE
will have been lost. The CDCLK frequency is required for reprogramming them
to generate 24MHz HD-A link BCLK. So provide a private interface for the
audio driver to query CDCLK.
This is a stopgap solution until a more generic interface between audio
and display drivers has been implemented.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The similar fixup as T440 is needed for supporting the dock on T540.
Reported-by: Jim Minter <jminter@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Another quirk to make the headset mic work on some new Dell machines.
Cc: Hui Wang <hui.wang@canonical.com>
BugLink: https://bugs.launchpad.net/bugs/1297581
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"We've queued up a few fixes in my for-linus branch"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix crash when starting transaction
Btrfs: fix btrfs_print_leaf for skinny metadata
Btrfs: fix race of using total_bytes_pinned
btrfs: use E2BIG instead of EIO if compression does not help
btrfs: remove stale comment from btrfs_flush_all_pending_stuffs
Btrfs: fix use-after-free when cloning a trailing file hole
btrfs: fix null pointer dereference in btrfs_show_devname when name is null
btrfs: fix null pointer dereference in clone_fs_devices when name is null
btrfs: fix nossd and ssd_spread mount option regression
Btrfs: fix race between balance recovery and root deletion
Btrfs: atomically set inode->i_flags in btrfs_update_iflags
btrfs: only unlock block in verify_parent_transid if we locked it
Btrfs: assert send doesn't attempt to start transactions
btrfs compression: reuse recently used workspace
Btrfs: fix crash when mounting raid5 btrfs with missing disks
btrfs: create sprout should rename fsid on the sysfs as well
btrfs: dev replace should replace the sysfs entry
btrfs: dev add should add its sysfs entry
btrfs: dev delete should remove sysfs entry
btrfs: rename add_device_membership to btrfs_kobj_add_device
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Often when starting a transaction we commit the currently running transaction,
which can end up writing block group caches when the current process has its
journal_info set to NULL (and not to a transaction). This makes our assertion
at btrfs_check_data_free_space() (current_journal != NULL) fail, resulting
in a crash/hang. Therefore fix it by setting journal_info.
Two different traces of this issue follow below.
1)
[51502.241936] BTRFS: assertion failed: current->journal_info, file: fs/btrfs/extent-tree.c, line: 3670
[51502.242213] ------------[ cut here ]------------
[51502.242493] kernel BUG at fs/btrfs/ctree.h:3964!
[51502.242669] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
(...)
[51502.244010] Call Trace:
[51502.244010] [<ffffffffa02bc025>] btrfs_check_data_free_space+0x395/0x3a0 [btrfs]
[51502.244010] [<ffffffffa02c3bdc>] btrfs_write_dirty_block_groups+0x4ac/0x640 [btrfs]
[51502.244010] [<ffffffffa0357a6a>] commit_cowonly_roots+0x164/0x226 [btrfs]
[51502.244010] [<ffffffffa02d53cd>] btrfs_commit_transaction+0x4ed/0xab0 [btrfs]
[51502.244010] [<ffffffff8168ec7b>] ? _raw_spin_unlock+0x2b/0x40
[51502.244010] [<ffffffffa02d6259>] start_transaction+0x459/0x620 [btrfs]
[51502.244010] [<ffffffffa02d67ab>] btrfs_start_transaction+0x1b/0x20 [btrfs]
[51502.244010] [<ffffffffa02d73e1>] __unlink_start_trans+0x31/0xe0 [btrfs]
[51502.244010] [<ffffffffa02dea67>] btrfs_unlink+0x37/0xc0 [btrfs]
[51502.244010] [<ffffffff811bb054>] ? do_unlinkat+0x114/0x2a0
[51502.244010] [<ffffffff811baebc>] vfs_unlink+0xcc/0x150
[51502.244010] [<ffffffff811bb1a0>] do_unlinkat+0x260/0x2a0
[51502.244010] [<ffffffff811a9ef4>] ? filp_close+0x64/0x90
[51502.244010] [<ffffffff810aaea6>] ? trace_hardirqs_on_caller+0x16/0x1e0
[51502.244010] [<ffffffff81349cab>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[51502.244010] [<ffffffff811be9eb>] SyS_unlinkat+0x1b/0x40
[51502.244010] [<ffffffff81698452>] system_call_fastpath+0x16/0x1b
[51502.244010] Code: 0b 55 48 89 e5 0f 0b 55 48 89 e5 0f 0b 55 89 f1 48 c7 c2 71 13 36 a0 48 89 fe 31 c0 48 c7 c7 b8 43 36 a0 48 89 e5 e8 5d b0 32 e1 <0f> 0b 0f 1f 44 00 00 55 b9 11 00 00 00 48 89 e5 41 55 49 89 f5
[51502.244010] RIP [<ffffffffa03575da>] assfail.constprop.88+0x1e/0x20 [btrfs]
2)
[25405.097230] BTRFS: assertion failed: current->journal_info, file: fs/btrfs/extent-tree.c, line: 3670
[25405.097488] ------------[ cut here ]------------
[25405.097767] kernel BUG at fs/btrfs/ctree.h:3964!
[25405.097940] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
(...)
[25405.100008] Call Trace:
[25405.100008] [<ffffffffa02bc025>] btrfs_check_data_free_space+0x395/0x3a0 [btrfs]
[25405.100008] [<ffffffffa02c3bdc>] btrfs_write_dirty_block_groups+0x4ac/0x640 [btrfs]
[25405.100008] [<ffffffffa035755a>] commit_cowonly_roots+0x164/0x226 [btrfs]
[25405.100008] [<ffffffffa02d53cd>] btrfs_commit_transaction+0x4ed/0xab0 [btrfs]
[25405.100008] [<ffffffff8109c170>] ? bit_waitqueue+0xc0/0xc0
[25405.100008] [<ffffffffa02d6259>] start_transaction+0x459/0x620 [btrfs]
[25405.100008] [<ffffffffa02d67ab>] btrfs_start_transaction+0x1b/0x20 [btrfs]
[25405.100008] [<ffffffffa02e3407>] btrfs_create+0x47/0x210 [btrfs]
[25405.100008] [<ffffffffa02d74cc>] ? btrfs_permission+0x3c/0x80 [btrfs]
[25405.100008] [<ffffffff811bc63b>] vfs_create+0x9b/0x130
[25405.100008] [<ffffffff811bcf19>] do_last+0x849/0xe20
[25405.100008] [<ffffffff811b9409>] ? link_path_walk+0x79/0x820
[25405.100008] [<ffffffff811bd5b5>] path_openat+0xc5/0x690
[25405.100008] [<ffffffff810ab07d>] ? trace_hardirqs_on+0xd/0x10
[25405.100008] [<ffffffff811cdcd2>] ? __alloc_fd+0x32/0x1d0
[25405.100008] [<ffffffff811be2a3>] do_filp_open+0x43/0xa0
[25405.100008] [<ffffffff811cddf1>] ? __alloc_fd+0x151/0x1d0
[25405.100008] [<ffffffff811abcfc>] do_sys_open+0x13c/0x230
[25405.100008] [<ffffffff810aaea6>] ? trace_hardirqs_on_caller+0x16/0x1e0
[25405.100008] [<ffffffff811abe12>] SyS_open+0x22/0x30
[25405.100008] [<ffffffff81698452>] system_call_fastpath+0x16/0x1b
[25405.100008] Code: 0b 55 48 89 e5 0f 0b 55 48 89 e5 0f 0b 55 89 f1 48 c7 c2 51 13 36 a0 48 89 fe 31 c0 48 c7 c7 d0 43 36 a0 48 89 e5 e8 6d b5 32 e1 <0f> 0b 0f 1f 44 00 00 55 b9 11 00 00 00 48 89 e5 41 55 49 89 f5
[25405.100008] RIP [<ffffffffa03570ca>] assfail.constprop.88+0x1e/0x20 [btrfs]
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
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We wouldn't actuall print the extent information if we had a skinny metadata
item, this fixes that. Thanks,
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
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This percpu counter @total_bytes_pinned is introduced to skip unnecessary
operations of 'commit transaction', it accounts for those space we may free
but are stuck in delayed refs.
And we zero out @space_info->total_bytes_pinned every transaction period so
we have a better idea of how much space we'll actually free up by committing
this transaction. However, we do the 'zero out' part a little earlier, before
we actually unpin space, so we end up returning ENOSPC when we actually have
free space that's just unpinned from committing transaction.
xfstests/generic/074 complained then.
This fixes it by actually accounting the percpu pinned number when 'unpin',
and since it's protected by space_info->lock, the race is gone now.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Return codes got updated in 60e1975acb48fc3d74a3422b21dde74c977ac3d5
(btrfs: return errno instead of -1 from compression)
lzo wrapper returns E2BIG in this case, do the same for zlib.
Signed-off-by: David Sterba <dsterba@suse.cz>
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Commit fcebe4562dec83b3f8d3088d77584727b09130b2 (Btrfs: rework qgroup
accounting) removed the qgroup accounting after delayed refs.
Signed-off-by: David Sterba <dsterba@suse.cz>
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The transaction handle was being used after being freed.
Cc: Chris Mason <clm@fb.com>
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
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dev->name is null but missing flag is not set.
Strictly speaking the missing flag should have been set, but there
are more places where code just checks if name is null. For now this
patch does the same.
stack:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000064
IP: [<ffffffffa0228908>] btrfs_show_devname+0x58/0xf0 [btrfs]
[<ffffffff81198879>] show_vfsmnt+0x39/0x130
[<ffffffff81178056>] m_show+0x16/0x20
[<ffffffff8117d706>] seq_read+0x296/0x390
[<ffffffff8115aa7d>] vfs_read+0x9d/0x160
[<ffffffff8115b549>] SyS_read+0x49/0x90
[<ffffffff817abe52>] system_call_fastpath+0x16/0x1b
reproducer:
mkfs.btrfs -draid1 -mraid1 /dev/sdg1 /dev/sdg2
btrfstune -S 1 /dev/sdg1
modprobe -r btrfs && modprobe btrfs
mount -o degraded /dev/sdg1 /btrfs
btrfs dev add /dev/sdg3 /btrfs
Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
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when one of the device path is missing btrfs_device name is null. So this
patch will check for that.
stack:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
IP: [<ffffffff812e18c0>] strlen+0x0/0x30
[<ffffffffa01cd92a>] ? clone_fs_devices+0xaa/0x160 [btrfs]
[<ffffffffa01cdcf7>] btrfs_init_new_device+0x317/0xca0 [btrfs]
[<ffffffff81155bca>] ? __kmalloc_track_caller+0x15a/0x1a0
[<ffffffffa01d6473>] btrfs_ioctl+0xaa3/0x2860 [btrfs]
[<ffffffff81132a6c>] ? handle_mm_fault+0x48c/0x9c0
[<ffffffff81192a61>] ? __blkdev_put+0x171/0x180
[<ffffffff817a784c>] ? __do_page_fault+0x4ac/0x590
[<ffffffff81193426>] ? blkdev_put+0x106/0x110
[<ffffffff81179175>] ? mntput+0x35/0x40
[<ffffffff8116d4b0>] do_vfs_ioctl+0x460/0x4a0
[<ffffffff8115c72e>] ? ____fput+0xe/0x10
[<ffffffff81068033>] ? task_work_run+0xb3/0xd0
[<ffffffff8116d547>] SyS_ioctl+0x57/0x90
[<ffffffff817a793e>] ? do_page_fault+0xe/0x10
[<ffffffff817abe52>] system_call_fastpath+0x16/0x1b
reproducer:
mkfs.btrfs -draid1 -mraid1 /dev/sdg1 /dev/sdg2
btrfstune -S 1 /dev/sdg1
modprobe -r btrfs && modprobe btrfs
mount -o degraded /dev/sdg1 /btrfs
btrfs dev add /dev/sdg3 /btrfs
Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
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The commit
0780253 btrfs: Cleanup the btrfs_parse_options for remount.
broke ssd options quite badly; it stopped making ssd_spread
imply ssd, and it made "nossd" unsettable.
Put things back at least as well as they were before
(though ssd mount option handling is still pretty odd:
# mount -o "nossd,ssd_spread" works?)
Reported-by: Roman Mamedov <rm@romanrm.net>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Balance recovery is called when RW mounting or remounting from
RO to RW, it is called to finish roots merging.
When doing balance recovery, relocation root's corresponding
fs root(whose root refs is 0) might be destroyed by cleaner
thread, this will make btrfs fail to mount.
Fix this problem by holding @cleaner_mutex when doing balance
recovery.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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This change is based on the corresponding recent change for ext4:
ext4: atomically set inode->i_flags in ext4_set_inode_flags()
That has the following commit message that applies to btrfs as well:
"Use cmpxchg() to atomically set i_flags instead of clearing out the
S_IMMUTABLE, S_APPEND, etc. flags and then setting them from the
EXT4_IMMUTABLE_FL, EXT4_APPEND_FL flags, since this opens up a race
where an immutable file has the immutable flag cleared for a brief
window of time."
Replacing EXT4_IMMUTABLE_FL and EXT4_APPEND_FL with BTRFS_INODE_IMMUTABLE
and BTRFS_INODE_APPEND, respectively.
Reviewed-by: David Sterba <dsterba@suse.cz>
Reviewed-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
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This is a regression from my patch a26e8c9f75b0bfd8cccc9e8f110737b136eb5994, we
need to only unlock the block if we were the one who locked it. Otherwise this
will trip BUG_ON()'s in locking.c Thanks,
cc: stable@vger.kernel.org
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
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When starting a transaction just assert that current->journal_info
doesn't contain a send transaction stub, since send isn't supposed
to start transactions and when it finishes (either successfully or
not) it's supposed to set current->journal_info to NULL.
This is motivated by the change titled:
Btrfs: fix crash when starting transaction
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Add compression `workspace' in free_workspace() to
`idle_workspace' list head, instead of tail. So we have
better chances to reuse most recently used `workspace'.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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The reproducer is
$ mkfs.btrfs D1 D2 D3 -mraid5
$ mkfs.ext4 D2 && mkfs.ext4 D3
$ mount D1 /btrfs -odegraded
-------------------
[ 87.672992] ------------[ cut here ]------------
[ 87.673845] kernel BUG at fs/btrfs/raid56.c:1828!
...
[ 87.673845] RIP: 0010:[<ffffffff813efc7e>] [<ffffffff813efc7e>] __raid_recover_end_io+0x4ae/0x4d0
...
[ 87.673845] Call Trace:
[ 87.673845] [<ffffffff8116bbc6>] ? mempool_free+0x36/0xa0
[ 87.673845] [<ffffffff813f0255>] raid_recover_end_io+0x75/0xa0
[ 87.673845] [<ffffffff81447c5b>] bio_endio+0x5b/0xa0
[ 87.673845] [<ffffffff81447cb2>] bio_endio_nodec+0x12/0x20
[ 87.673845] [<ffffffff81374621>] end_workqueue_fn+0x41/0x50
[ 87.673845] [<ffffffff813ad2aa>] normal_work_helper+0xca/0x2c0
[ 87.673845] [<ffffffff8108ba2b>] process_one_work+0x1eb/0x530
[ 87.673845] [<ffffffff8108b9c9>] ? process_one_work+0x189/0x530
[ 87.673845] [<ffffffff8108c15b>] worker_thread+0x11b/0x4f0
[ 87.673845] [<ffffffff8108c040>] ? rescuer_thread+0x290/0x290
[ 87.673845] [<ffffffff810939c4>] kthread+0xe4/0x100
[ 87.673845] [<ffffffff810938e0>] ? kthread_create_on_node+0x220/0x220
[ 87.673845] [<ffffffff817e7c7c>] ret_from_fork+0x7c/0xb0
[ 87.673845] [<ffffffff810938e0>] ? kthread_create_on_node+0x220/0x220
-------------------
It's because that we miscalculate @rbio->bbio->error so that it doesn't
reach maximum of tolerable errors while it should have.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Tested-by: Satoru Takeuchi<takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Creating sprout will change the fsid of the mounted root.
do the same on the sysfs as well.
reproducer:
mount /dev/sdb /btrfs (seed disk)
btrfs dev add /dev/sdc /btrfs
mount -o rw,remount /btrfs
btrfs dev del /dev/sdb /btrfs
mount /dev/sdb /btrfs
Error:
kobject_add_internal failed for fe350492-dc28-4051-a601-e017b17e6145 with -EEXIST, don't try to register things with the same name in the same directory.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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when we replace the device its corresponding sysfs
entry has to be replaced as well
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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we would need the device links to be created,
when device is added.
Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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when we delete the device from the mounted btrfs,
we would need its corresponding sysfs enty to
be removed as well.
Signed-off-by: Anand Jain <Anand.Jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here's a round of USB bugfixes, quirk additions, and new device ids
for 3.16-rc4. Nothing major in here at all, just a bunch of tiny
changes. All have been in linux-next with no reported issues"
* tag 'usb-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: chipidea: udc: delete td from req's td list at ep_dequeue
usb: Kconfig: make EHCI_MSM selectable for QCOM SOCs
usb-storage/SCSI: Add broken_fua blacklist flag
usb: musb: dsps: fix the base address for accessing the mode register
tools: ffs-test: fix header values endianess
usb: phy: msm: Do not do runtime pm if the phy is not idle
usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq
usb: gadget: gr_udc: Fix check for invalid number of microframes
usb: musb: Fix panic upon musb_am335x module removal
usb: gadget: f_fs: resurect usb_functionfs_descs_head structure
Revert "tools: ffs-test: convert to new descriptor format fixing compilation error"
xhci: Fix runtime suspended xhci from blocking system suspend.
xhci: clear root port wake on bits if controller isn't wake-up capable
xhci: correct burst count field for isoc transfers on 1.0 xhci hosts
xhci: Use correct SLOT ID when handling a reset device command
MAINTAINERS: update e-mail address
usb: option: add/modify Olivetti Olicard modems
USB: ftdi_sio: fix null deref at port probe
MAINTAINERS: drop two usb-serial subdriver entries
USB: option: add device ID for SpeedUp SU9800 usb 3g modem
...
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We need to delete un-finished td from current request's td list
at ep_dequeue API, otherwise, this non-user td will be remained
at td list before this request is freed. So if we do ep_queue->
ep_dequeue->ep_queue sequence, when the complete interrupt for
the second ep_queue comes, we search td list for this request,
the first td (added by the first ep_queue) will be handled, and
its status is still active, so we will consider the this transfer
still not be completed, but in fact, it has completed. It causes
the peripheral side considers it never receives current data for
this transfer.
We met this problem when do "Error Recovery Test - Device Configured"
test item for USBCV2 MSC test, the host has never received ACK for
the IN token for CSW due to peripheral considers it does not get this
CBW, the USBCV test log like belows:
--------------------------------------------------------------------------
INFO
Issuing BOT MSC Reset, reset should always succeed
INFO
Retrieving status on CBW endpoint
INFO
CBW endpoint status = 0x0
INFO
Retrieving status on CSW endpoint
INFO
CSW endpoint status = 0x0
INFO
Issuing required command (Test Unit Ready) to verify device has recovered
INFO
Issuing CBW (attempt #1):
INFO
|----- CBW LUN = 0x0
INFO
|----- CBW Flags = 0x0
INFO
|----- CBW Data Transfer Length = 0x0
INFO
|----- CBW CDB Length = 0x6
INFO
|----- CBW CDB-00 = 0x0
INFO
|----- CBW CDB-01 = 0x0
INFO
|----- CBW CDB-02 = 0x0
INFO
|----- CBW CDB-03 = 0x0
INFO
|----- CBW CDB-04 = 0x0
INFO
|----- CBW CDB-05 = 0x0
INFO
Issuing CSW : try 1
INFO
CSW Bulk Request timed out!
ERROR
Failed CSW phase : should have been success or stall
FAIL
(5.3.4) The CSW status value must be 0x00, 0x01, or 0x02.
ERROR
BOTCommonMSCRequest failed: error=80004000
Cc: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch makes the msm ehci driver available to use on QCOM SOCs,
which have the same IP.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some buggy JMicron USB-ATA bridges don't know how to translate the FUA
bit in READs or WRITEs. This patch adds an entry in unusual_devs.h
and a blacklist flag to tell the sd driver not to use FUA.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Michael Büsch <m@bues.ch>
Tested-by: Michael Büsch <m@bues.ch>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.16-rc4
A few more fixes for this RC cycle. There's a revert of a previous patch
which ended up being the wrong version, so we reverted that commit and
applied a better fix.
CPPI41 got a race condition fix which was found by Thomas Gleixner.
The MSM PHY driver got a runtime pm usage fix so that it wouldn't
kill the PHY while it was still being used.
We also have a fix for a panic caused when removing musb_am335x driver.
Other than that, a few other minor fixes.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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commit 943c13971c08 "usb: musb: dsps: implement ->set_mode()"
should have made it possible to use the driver with boards that have
the USBID pin unconnected. This doesn't actually work, since the
driver uses the wrong base address to access the mode register.
Furthermore it uses different base addresses in different places to
access the same register (phy_utmi).
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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It appears that no one ever run ffs-test on a big-endian machine,
since it used cpu-endianess for fs_count and hs_count fields which
should be in little-endian format. Fix by wrapping the numbers in
cpu_to_le32.
Cc: stable@vger.kernel.org
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Use case is when the phy is configured in host mode and a usb device is
attached to board before bootup. On bootup, with the existing code and
runtime pm enabled, the driver would decrement the pm usage count
without checking the current state of the phy. This pm usage count
decrement would trigger the runtime pm which than would abort the
usb enumeration which was in progress. In my case a usb stick gets
detected and then immediatly the driver goes to low power mode which is
not correct.
log:
[ 1.631412] msm_hsusb_host 12520000.usb: EHCI Host Controller
[ 1.636556] msm_hsusb_host 12520000.usb: new USB bus registered, assigned bus number 1
[ 1.642563] msm_hsusb_host 12520000.usb: irq 220, io mem 0x12520000
[ 1.658197] msm_hsusb_host 12520000.usb: USB 2.0 started, EHCI 1.00
[ 1.659473] hub 1-0:1.0: USB hub found
[ 1.663415] hub 1-0:1.0: 1 port detected
...
[ 1.973352] usb 1-1: new high-speed USB device number 2 using msm_hsusb_host
[ 2.107707] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 2.108993] scsi0 : usb-storage 1-1:1.0
[ 2.678341] msm_otg 12520000.phy: USB in low power mode
[ 3.168977] usb 1-1: USB disconnect, device number 2
This issue was detected on IFC6410 board.
This patch fixes the intial runtime pm trigger by checking the phy
state and decrementing the pm use count only when the phy state is IDLE.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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