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* 'for-2.6.32' of git://git.kernel.dk/linux-2.6-block: (29 commits)
block: use blkdev_issue_discard in blk_ioctl_discard
Make DISCARD_BARRIER and DISCARD_NOBARRIER writes instead of reads
block: don't assume device has a request list backing in nr_requests store
block: Optimal I/O limit wrapper
cfq: choose a new next_req when a request is dispatched
Seperate read and write statistics of in_flight requests
aoe: end barrier bios with EOPNOTSUPP
block: trace bio queueing trial only when it occurs
block: enable rq CPU completion affinity by default
cfq: fix the log message after dispatched a request
block: use printk_once
cciss: memory leak in cciss_init_one()
splice: update mtime and atime on files
block: make blk_iopoll_prep_sched() follow normal 0/1 return convention
cfq-iosched: get rid of must_alloc flag
block: use interrupts disabled version of raise_softirq_irqoff()
block: fix comment in blk-iopoll.c
block: adjust default budget for blk-iopoll
block: fix long lines in block/blk-iopoll.c
block: add blk-iopoll, a NAPI like approach for block devices
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (209 commits)
[SCSI] fix oops during scsi scanning
[SCSI] libsrp: fix memory leak in srp_ring_free()
[SCSI] libiscsi, bnx2i: make bound ep check common
[SCSI] libiscsi: add completion function for drivers that do not need pdu processing
[SCSI] scsi_dh_rdac: changes for rdac debug logging
[SCSI] scsi_dh_rdac: changes to collect the rdac debug information during the initialization
[SCSI] scsi_dh_rdac: move the init code from rdac_activate to rdac_bus_attach
[SCSI] sg: fix oops in the error path in sg_build_indirect()
[SCSI] mptsas : Bump version to 3.04.12
[SCSI] mptsas : FW event thread and scsi mid layer deadlock in SYNCHRONIZE CACHE command
[SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device
[SCSI] mptsas : PAE Kernel more than 4 GB kernel panic
[SCSI] mptsas : NULL pointer on big endian systems causing Expander not to tear off
[SCSI] mptsas : Sanity check for phyinfo is added
[SCSI] scsi_dh_rdac: Add support for Sun StorageTek ST2500, ST2510 and ST2530
[SCSI] pmcraid: PMC-Sierra MaxRAID driver to support 6Gb/s SAS RAID controller
[SCSI] qla2xxx: Update version number to 8.03.01-k6.
[SCSI] qla2xxx: Properly delete rports attached to a vport.
[SCSI] qla2xxx: Correct various NPIV issues.
[SCSI] qla2xxx: Correct qla2x00_eh_wait_on_command() to wait correctly.
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* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
[ARM] Update mach-types
ARM: 5636/1: Move vendor enum to AMBA include
ARM: Fix pfn_valid() for sparse memory
[ARM] orion5x: Add LaCie NAS 2Big Network support
[ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
ARM: 5689/1: Update default config of HP Jornada 700-series machines
ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
ARM: 5688/1: ks8695_serial: disable_irq() lockup
ARM: 5687/1: fix an oops with highmem
ARM: 5684/1: Add nuc960 platform to w90x900
ARM: 5683/1: Add nuc950 platform to w90x900
ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
MMC: MMCI: convert realview MMC to use gpiolib
ARM: 5685/1: Make MMCI driver compile without gpiolib
ARM: implement highpte
ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
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Fix up trivial conflict in arch/arm/kernel/signal.c.
It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
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console_print() is an old legacy interface mostly unused in the entire
kernel tree. It's best to clean up its existing use and let developers
use their own implementation of it as they feel fit.
Signed-off-by: Anirban Sinha <asinha@zeugmasystems.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
x86, mce: do not compile mcelog message on AMD
EDAC, AMD: decode FR MCEs
EDAC, AMD: decode load store MCEs
EDAC, AMD: decode bus unit MCEs
EDAC, AMD: decode instruction cache MCEs
EDAC, AMD: decode data cache MCEs
EDAC, AMD: carve out decoding of MCi_STATUS ErrorCode
EDAC, AMD: carve out MCi_STATUS decoding
x86, mce: pass mce info to EDAC for decoding
amd64_edac: cleanup amd64_decode_bus_error
amd64_edac: remove memory and GART TLB error decoders
amd64_edac: cleanup/complete NB MCE decoding
amd64_edac: cleanup amd64_process_error_info
EDAC: beef up ErrorCodeExt error signatures
EDAC: move MCE error descriptions to EDAC core
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'osync_cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
fsync: wait for data writeout completion before calling ->fsync
vfs: Remove generic_osync_inode() and sync_page_range{_nolock}()
fat: Opencode sync_page_range_nolock()
pohmelfs: Use new syncing helper
xfs: Convert sync_page_range() to simple filemap_write_and_wait_range()
ocfs2: Update syncing after splicing to match generic version
ntfs: Use new syncing helpers and update comments
ext4: Remove syncing logic from ext4_file_write
ext3: Remove syncing logic from ext3_file_write
ext2: Update comment about generic_osync_inode
vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode
vfs: Rename generic_file_aio_write_nolock
ocfs2: Use __generic_file_aio_write instead of generic_file_aio_write_nolock
pohmelfs: Use __generic_file_aio_write instead of generic_file_aio_write_nolock
vfs: Remove syncing from generic_file_direct_write() and generic_file_buffered_write()
vfs: Export __generic_file_aio_write() and add some comments
vfs: Introduce filemap_fdatawait_range
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1623 commits)
netxen: update copyright
netxen: fix tx timeout recovery
netxen: fix file firmware leak
netxen: improve pci memory access
netxen: change firmware write size
tg3: Fix return ring size breakage
netxen: build fix for INET=n
cdc-phonet: autoconfigure Phonet address
Phonet: back-end for autoconfigured addresses
Phonet: fix netlink address dump error handling
ipv6: Add IFA_F_DADFAILED flag
net: Add DEVTYPE support for Ethernet based devices
mv643xx_eth.c: remove unused txq_set_wrr()
ucc_geth: Fix hangs after switching from full to half duplex
ucc_geth: Rearrange some code to avoid forward declarations
phy/marvell: Make non-aneg speed/duplex forcing work for 88E1111 PHYs
drivers/net/phy: introduce missing kfree
drivers/net/wan: introduce missing kfree
net: force bridge module(s) to be GPL
Subject: [PATCH] appletalk: Fix skb leak when ipddp interface is not loaded
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Fixed up trivial conflicts:
- arch/x86/include/asm/socket.h
converted to <asm-generic/socket.h> in the x86 tree. The generic
header has the same new #define's, so that works out fine.
- drivers/net/tun.c
fix conflict between 89f56d1e9 ("tun: reuse struct sock fields") that
switched over to using 'tun->socket.sk' instead of the redundantly
available (and thus removed) 'tun->sk', and 2b980dbd ("lsm: Add hooks
to the TUN driver") which added a new 'tun->sk' use.
Noted in 'next' by Stephen Rothwell.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: split __phys_addr out into separate file
xen: use stronger barrier after unlocking lock
xen: only enable interrupts while actually blocking for spinlock
xen: make -fstack-protector work under Xen
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See Fam10h BKDG (31116, rev. 3.28), Table 101.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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See Fam10h BKDG (31116, rev. 3.28), Table 100.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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... according to Table 69, Fam10h BKDG (31116, rev. 3.28).
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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See Fam10h BKDG (31116, rev. 3.28), Table 95
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Those get reported in MC0_STATUS, see Table 92, F10h BKDG (31116, rev.
3.28) for more details.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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This is the MCE error code from the MCi_STATUS banks, bits [15:0] which
describe what type of error was encountered: GART TLB, Memory or Bus
error. The semantics of those bits are identical across all MCE banks so
decode those separately, irrespectively of MCE type.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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The MCi_STATUS registers have most field definitions in common so decode
them in the general path. Do not pass ecc_type along and compute it in
__amd64_decode_bus_error instead.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Move NB decoder along with required defines to EDAC MCE core. Add
registration routines for further decoding of the MCE info in the AMD64
EDAC module.
CC: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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* don't dump info which mcheck already does
* update to newest BKDG
* mv amd64_process_error_info -> amd64_decode_nb_mce
* shorten error struct names
* remove redundant info ptr in amd64_process_error_info
* remove unused ErrorCodeExt[19:16] (MCx_STATUS) defines
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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* mv amd64_error_info_regs -> err_regs
* remove redundant info ptr
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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This is in preparation of adding AMD-specific MCE decoding functionality
to the EDAC core. The error decoding macros originate from the AMD64
EDAC driver albeit in a simplified and cleaned up version here.
While at it, add macros to generate the error description strings and
use them in the error type decoders directly which removes a bunch of
code and makes the decoding functions much more readable. Also, fix
strings and shorten macro names.
Remove superfluous htlink_msgs.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Use new generic_write_sync() helper instead of sync_page_range().
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Jan Kara <jack@suse.cz>
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generic_file_aio_write_nolock() is now used only by block devices and raw
character device. Filesystems should use __generic_file_aio_write() in case
generic_file_aio_write() doesn't suit them. So rename the function to
blkdev_aio_write() and move it to fs/blockdev.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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Use new helper __generic_file_aio_write(). Since the fs takes care of syncing
by itself afterwards, there are no more changes needed.
CC: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Jan Kara <jack@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86/i386: Put aligned stack-canary in percpu shared_aligned section
x86/i386: Make sure stack-protector segment base is cache aligned
x86: Detect stack protector for i386 builds on x86_64
x86: allow "=rm" in native_save_fl()
x86: properly annotate alternatives.c
x86: Introduce GDT_ENTRY_INIT(), initialize bad_bios_desc statically
x86, 32-bit: Use generic sys_pipe()
x86: Introduce GDT_ENTRY_INIT(), fix APM
x86: Introduce GDT_ENTRY_INIT()
x86: Introduce set_desc_base() and set_desc_limit()
x86: Remove unused patch_espfix_desc()
x86: Use get_desc_base()
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Implement blk_limits_io_opt() and make blk_queue_io_opt() a wrapper
around it. DM needs this to avoid poking at the queue_limits directly.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Currently, there is a single in_flight counter measuring the number of
requests in the request_queue. But some monitoring tools would like to
know how many read requests and write requests are in progress. Split the
current in_flight counter into two seperate counters for read and write.
This information is exported as a sysfs attribute, as changing the
currently available stat files would break the existing tools.
Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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BugLink: http://bugzilla.kernel.org/show_bug.cgi?id=13942
Bruno Premont noticed that aoe throws a BUG during umount of an XFS in
2.6.31:
[ 5259.349897] aoe: bi_io_vec is NULL
[ 5259.349940] ------------[ cut here ]------------
[ 5259.349958] kernel BUG at /usr/src/linux-2.6/drivers/block/aoe/aoeblk.c:177!
[ 5259.349990] invalid opcode: 0000 [#1]
The bio in question is a barrier. Jens Axboe suggested that such bios
need to be recognized and ended with -EOPNOTSUPP by any driver that
provides its own ->make_request_fn handler and does not handle
barriers.
In testing the changes below eliminate the BUG.
(Better would be real barrier support, something that Ed says he'll add
for later in the .32 cycle. For now, this at least gets rid of a bug
with crashing on an empty barrier. Jens)
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Chris Webb reported:
p0# uname -a
Linux f7ea8425-d45b-490f-a738-d181d0df6963.host.elastichosts.com 2.6.30.4-elastic-lon-p #2 SMP PREEMPT Thu Aug 20 14:30:50 BST 2009 x86_64 Intel(R) Xeon(R) CPU E5420 @ 2.50GHz GenuineIntel GNU/Linux
p0# zgrep SCAN_ASYNC /proc/config.gz
# CONFIG_SCSI_SCAN_ASYNC is not set
p0# cat /var/log/kern/2009-08-20
[...]
15:27:10.485 kernel: scsi9 : iSCSI Initiator over TCP/IP
15:27:11.493 kernel: scsi 9:0:0:0: RAID IET Controller 0001 PQ: 0 ANSI: 5
15:27:11.493 kernel: scsi 9:0:0:0: Attached scsi generic sg6 type 12
15:27:11.495 kernel: scsi 9:0:0:1: Direct-Access IET VIRTUAL-DISK 0001 PQ: 0 ANSI: 5
15:27:11.495 kernel: sd 9:0:0:1: Attached scsi generic sg7 type 0
15:27:11.495 kernel: sd 9:0:0:1: [sdg] 4194304 512-byte hardware sectors: (2.14 GB/2.00 GiB)
15:27:11.495 kernel: sd 9:0:0:1: [sdg] Write Protect is off
15:27:11.495 kernel: sd 9:0:0:1: [sdg] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
15:27:13.012 kernel: sdg:<6>scsi 9:0:0:1: [sdg] Unhandled error code
15:27:13.012 kernel: scsi 9:0:0:1: [sdg] Result: hostbyte=0x07 driverbyte=0x00
15:27:13.012 kernel: end_request: I/O error, dev sdg, sector 0
15:27:13.012 kernel: Buffer I/O error on device sdg, logical block 0
15:27:13.012 kernel: ldm_validate_partition_table(): Disk read failed.
15:27:13.012 kernel: unable to read partition table
15:27:13.014 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
15:27:13.014 kernel: IP: [<ffffffff803f0d77>] disk_part_iter_next+0x74/0xfd
15:27:13.014 kernel: PGD 82ad0b067 PUD 82cd7e067 PMD 0
15:27:13.014 kernel: Oops: 0000 [#1] PREEMPT SMP
15:27:13.014 kernel: last sysfs file: /sys/devices/platform/host9/session4/iscsi_session/session4/ifacename
15:27:13.014 kernel: CPU 5
15:27:13.014 kernel: Modules linked in:
15:27:13.014 kernel: Pid: 13999, comm: async/0 Not tainted 2.6.30.4-elastic-lon-p #2 X7DBN
15:27:13.014 kernel: RIP: 0010:[<ffffffff803f0d77>] [<ffffffff803f0d77>] disk_part_iter_next+0x74/0xfd
15:27:13.014 kernel: RSP: 0018:ffff88066afa3dd0 EFLAGS: 00010246
15:27:13.014 kernel: RAX: ffff88082b58a000 RBX: ffff88066afa3e00 RCX: 0000000000000000
15:27:13.014 kernel: RDX: 0000000000000000 RSI: ffff88082b58a000 RDI: 0000000000000000
15:27:13.014 kernel: RBP: ffff88066afa3df0 R08: ffff88066afa2000 R09: ffff8806a204f000
15:27:13.014 kernel: R10: 000000fb12c7d274 R11: ffff8806c2bf0628 R12: ffff88066afa3e00
15:27:13.014 kernel: R13: ffff88082c829a00 R14: 0000000000000000 R15: ffff8806bc50c920
15:27:13.014 kernel: FS: 0000000000000000(0000) GS:ffff88002818a000(0000) knlGS:0000000000000000
15:27:13.014 kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
15:27:13.014 kernel: CR2: 0000000000000010 CR3: 000000082ade3000 CR4: 00000000000426e0
15:27:13.014 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
15:27:13.014 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
15:27:13.014 kernel: Process async/0 (pid: 13999, threadinfo ffff88066afa2000, task ffff8806c2bf05e0)
15:27:13.014 kernel: Stack:
15:27:13.014 kernel: 0000000000000000 ffff88066afa3e00 ffff88066afa3e00 ffff88082c829a00
15:27:13.014 kernel: ffff88066afa3e40 ffffffff80306feb ffff88082b58a000 0000000000000000
15:27:13.014 kernel: 0000000000000001 ffff8806bc50c920 ffff88066afa3e40 ffff88082b58a000
15:27:13.014 kernel: Call Trace:
15:27:13.014 kernel: [<ffffffff80306feb>] register_disk+0x122/0x13a
15:27:13.014 kernel: [<ffffffff803f0b0f>] add_disk+0xaa/0x106
15:27:13.014 kernel: [<ffffffff80493609>] sd_probe_async+0x198/0x25b
15:27:13.014 kernel: [<ffffffff80270482>] async_thread+0x10c/0x20d
15:27:13.014 kernel: [<ffffffff802545ff>] ? default_wake_function+0x0/0xf
15:27:13.014 kernel: [<ffffffff80270376>] ? async_thread+0x0/0x20d
15:27:13.014 kernel: [<ffffffff8026ad89>] kthread+0x55/0x80
15:27:13.014 kernel: [<ffffffff8022be6a>] child_rip+0xa/0x20
15:27:13.014 kernel: [<ffffffff8026ad34>] ? kthread+0x0/0x80
15:27:13.014 kernel: [<ffffffff8022be60>] ? child_rip+0x0/0x20
15:27:13.014 kernel: Code: c8 ff 80 e1 0c b9 00 00 00 00 0f 44 c1 41 83 cd ff 48 8d 7a 20 48 be ff ff ff ff 08 00 00 00 48 b9 00 00 00 00 08 00 00 00 eb 50 <8b> 42 10 41 bd 01 00 00 00 eb db 4c 63 c2 4e 8d 04 c7 4d 8b 20
15:27:13.015 kernel: RIP [<ffffffff803f0d77>] disk_part_iter_next+0x74/0xfd
15:27:13.015 kernel: RSP <ffff88066afa3dd0>
15:27:13.015 kernel: CR2: 0000000000000010
15:27:13.015 kernel: ---[ end trace 6104b56ef5590e25 ]---
The problem is caused because the async scanning split in sd.c doesn't hold
any reference to the device when it kicks off the async piece. What's
happening is that an iSCSI disconnect is destorying the device again *before*
the async sd scanning thread even starts. Fix this by taking a reference
before starting the thread and dropping it again when the thread completes.
Reported-by: Chris Webb <chris@arachsys.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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This patch fixes a memory leak in the libsrp function srp_ring_free().
It is not documented whether or not this function should free the ring
pointer itself. But the source code of the callers of this function
(srp_target_alloc() and srp_target_free()) makes it clear that
srp_ring_free() should deallocate the ring pointer itself. Furthermore,
the patch below makes srp_ring_free() deallocate all memory allocated by
srp_ring_alloc().
This patch affects the ibmvstgt driver, which is the only in-tree driver
that calls the srp_ring_free() function (indirectly).
Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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bnx2i currently has a check for if a ep is properly bound, so if
iscsi_queuecommand/xmit_task is called while there is no ep
we will not queue IO.
be2iscsi sends IO from queuecommand/xmit_task like how bnx2i does
and needs a similar test. This patch has us just use the suspend_bit
test for this.
When ep_poll has succeeed iscsid will call conn_bind, the LLD will
then call iscsi_conn_bind which will clear the suspend bit.
When ep_disconnect is called (or if there is a conn error) we set
the suspend bit. For the ep_disconnect case I am adding a helper
in this patch that will take the session lock to make sure
iscsi_queuecommand/xmit_task is not running and it will set
the suspend bit.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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processing
beiscsi does not need the iscsi scsi cmd processing. It does not
even get this info on the completion path. This adds a function
to just update the sequencing numbers and complete a task.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Patch to add debugging stuff for rdac device handler.
- Added a bit mask "module parameter" rdac_logging with 2 bits for each type
of logging.
- currently defined only two types of logging(failover and sense logging). Can
be enhanced later if required.
- By default only failover logging is enabled which is equivalent of current
logging.
Signed-off-by: Babu Moger <babu.moger@lsi.com>
Reviewed-by: Vijay Chauhan <vijay.chauhan@lsi.com>
Reviewed-by: Bob Stankey <Robert.stankey@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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the initialization
Adding the code to read the debug information during initialization. This
patch collects the information about storage and controllers during
rdac_activate.
Signed-off-by: Babu Moger <babu.moger@lsi.com>
Reviewed-by: Vijay Chauhan <vijay.chauhan@lsi.com>
Reviewed-by: Bob Stankey <Robert.stankey@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Moving the initialization code from rdac_activate to rdac_bus_attach which is
more efficient. We don't have to collect all the information during every
activate.
Signed-off-by: Babu Moger <babu.moger@lsi.com>
Reviewed-by: Vijay Chauhan <vijay.chauhan@lsi.com>
Reviewed-by: Bob Stankey <Robert.stankey@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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When the allocation fails in sg_build_indirect(), an oops happens in
the error path. It's caused by an obvious typo.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reported-by: Bob Tracy <rct@gherkin.frus.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Bump version to 3.04.12
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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CACHE command
Normally In HBA reset path MPT driver will flush existing work in current work
queue (mpt/0) . This is just a dummy activity for MPT driver point of
view, since HBA reset will turn off Work queue events.
It means we will simply returns from work queue without doing anything.
But for the case where Work is already done (half the way), we have to have
that work to be done.
Considering above condition we stuck forever since Deadlock in scsi midlayer
and MPT driver. sd_sync_cache() will wait forever since HBA is not in
Running state, and it will never come into Running state since
sd_sync_cache() is called from HBA reset context.
Now new code will not wait for half cooked work to be finished
before returning from HBA reset.
Once we are out of HBA reset, EH thread will change host state to running from
recovery and work waiting for running state of HBA will be finished.
New code is turning ON firmware event from another special work called
Rescan toplogy.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Driver is modified to return DID_NO_CONNECT for all pending I/O
requests for bus type SAS, if it founds the target is removed at
the firmware level.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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This patch is solving problem for PAE kernel DMA operation.
On PAE system dma_addr and unsigned long will have different
values.
Now dma_addr is not type casted using unsigned long.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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tear off
On Big endian system kernel will crash due to address translation
is not handle properly.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Check for phyinfo->phy before calling sas_port_delete_phy.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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These storage arrays can use RDAC when configured with 'linux' as the
initiator.
http://www.sun.com/storage/disk_systems/workgroup/2500/
http://www.sun.com/storage/disk_systems/workgroup/2510/
http://www.sun.com/storage/disk_systems/workgroup/2530/
Signed-off-by: Charlie Brady <charlieb@budge.apana.org.au>
Reviewed-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Signed-off-by: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Original code would inadvertently skip the deferred
fc_remote_port_delete() call for rports hanging off any vport.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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* Consolidate vport-count processing.
* Correct vp_idx restrictions during RSCN processing.
* Push topology verification check to qla2x00_do_dpc_all_vps().
* Don't skip vport full-login-lip/lip-reset mailbox handling.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Original code would break-out of loop after only one iteration.
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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