| Age | Commit message (Collapse) | Author | Files | Lines |
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This patch introduces a send buffer to limit outgoing IUCV messages up to
a maximum of 25 IUCV messages per second.
If no communication path to a IUCV HVC terminal exist, any data written to
the terminal is discarded.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The patch renames the IUCV application ID from "ihvc" to "lnxhvc".
The device driver allocates one IUCV terminal device (lnxhvc0) as default.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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As requested by Andrew. Same as what sparc did.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If CONFIG_DEBUG_FS is disabled debugfs_create_file returns -ENODEV instead
of zero. Since the return value is stored and used at shutdown to remove
existing entries an OOPS may be triggered.
Add a check of the debugfs_create_file return value and in case of an error
set the entry to NULL so it will be ignored at shutdown.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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!CONFIG_SMP:
arch/s390/kernel/vdso.c: In function 'vdso_init':
arch/s390/kernel/vdso.c:325: error: incompatible type for argument 2 of 'vdso_alloc_per_cpu'
Also move the code out of the BUG_ON statement since it won't be
executed on !CONFIG_BUG. And that would be a bug.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The system call isn't wired up on s390. Just delete the dead code.
Also we use the common code sys_ptrace system call, so the sys_ptrace
declaration is pointless is well.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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/include/asm/chpid.h:12: include of <linux/types.h> is preferred over <asm/types.h>
/include/asm/chsc.h:15: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/cmb.h:28: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/dasd.h:195: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/kvm.h:16: include of <linux/types.h> is preferred over <asm/types.h>
/include/asm/kvm.h:30: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/qeth.h:24: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/schid.h:5: found __[us]{8,16,32,64} type without #include <linux/types.h>
/include/asm/swab.h:12: include of <linux/types.h> is preferred over <asm/types.h>
/include/asm/swab.h:19: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When the connection between host and storage server is lost, the
dasd device driver usually blocks all I/O on affected devices and
waits for them to reappear. In some setups however it would be
better if the I/O is returned as error so that device can be
recovered by some other means, eg. in a raid or multipath setup.
Signed-off-by: Holger Smolinski <Holger.Smolinski@de.ibm.com>
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When a DASD device enters or leaves the 'online' state we need to
trigger change events for the respective disk and partitions.
These extra events are needed because when disk and partitions are
first added, udev rules that try to read disk labels or other data
may fail as the disk may not yet be ready.
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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CC drivers/s390/char/tape_block.o
In file included from drivers/s390/char/tape_block.c:24:
drivers/s390/char/tape.h:159: warning: 'struct request' declared inside
parameter list
Adding the dependency of CONFIG_BLOCK to CONFIG_S390_TAPE_BLOCK.
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Bring s390 in line with all the other ports. Not sure how s390 missed
this change as all the other arches were being updated ...
CC: Heiko Carstens <heiko.carstens@de.ibm.com>
CC: linux390@de.ibm.com
CC: linux-s390@vger.kernel.org
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Removed duplicated #include's in arch/s390/kernel/vdso32/gettimeofday.S
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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/include/asm/ptrace.h:275: extern's make no sense in userspace
/include/asm/ptrace.h:279: extern's make no sense in userspace
/include/asm/ptrace.h:280: extern's make no sense in userspace
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Len Brown <len.brown@intel.com>
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also, delete sleep/ and delete ACPI_CFLAGS from Makefile
Signed-off-by: Len Brown <len.brown@intel.com>
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when CONFIG_RTC_DRV_CMOS=m
and thus !defined(HAVE_ACPI_LEGACY_ALARM)
drivers/acpi/proc.c:85: warning: ‘cmos_bcd_read’ declared ‘static’ but
never defined
Signed-off-by: Len Brown <len.brown@intel.com>
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On some boxes there exist both RSDT and XSDT table. But unfortunately
sometimes there exists the following error when XSDT table is used:
a. 32/64X address mismatch
b. The 32/64X FACS address mismatch
In such case the boot option of "acpi=rsdt" is provided so that
RSDT is tried instead of XSDT table when the system can't work well.
http://bugzilla.kernel.org/show_bug.cgi?id=8246
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
cc:Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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The Cx Register address obtained from the _CST object is used as the MWAIT
hints if the register type is FFixedHW. And it is used to check whether
the Cx type is supported or not.
On some boxes the following Cx state package is obtained from _CST object:
>{
ResourceTemplate ()
{
Register (FFixedHW,
0x01, // Bit Width
0x02, // Bit Offset
0x0000000000889759, // Address
0x03, // Access Size
)
},
0x03,
0xF5,
0x015E }
In such case we should use the bit[7:4] of Cx address to check whether
the Cx type is supported or not.
mask the MWAIT hint to avoid array address overflow
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by:Venki Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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GBLS and GBLL only differ in the clearing of the GHKS flag, so there is no need
to have two backlight level readouts. Also, per Peter Gruber, the need for the
BLNF check has disappeared.
As a result, cleanups can be made in the code. This has been tested on the both
the S6410 and the S6420 platforms and causes no functionality regressions, on
the console without X or within X. One module parameter to disable the hotkeys
is dropped, as we only ever took one codepath anyway.
Signed-off-by: Tony Vroon <tony@linx.net>
Tested-by: Peter Gruber <nokos@gmx.net>
Tested-By: Stephen Gildea <stepheng+linux@gildea.com>
Acked-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Signed-off-by: Len Brown <len.brown@intel.com>
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The FUNC interface in the Fujitsu-Siemens DSDT was unused until now. It exposes
state information that is now reported in additional platform files (whether the
radios are killed by the hardware switch or operational, whether the machine is
docked and whether the lid is open).
Support for the backlight class is now extended with the ability to power the
backlight on & off. Optional support for the LED class allows the keyboard
headlamps found on the U810 netbook and the Fujitsu logo illumination on the
P8010 notebook to be turned on & off.
This was fed through checkpatch.pl and tested on the S6420, P8010 & U810 platforms.
Signed-off-by: Stephen Gildea <stepheng+linux@gildea.com>
Tested-by: Stephen Gildea <stepheng+linux@gildea.com>
Tested-by: Julian Brown <jules@panic.cs-bristol.org.uk>
Signed-off-by: Tony Vroon <tony@linx.net>
Tested-by: Peter Gruber <nokos@gmx.net>
Acked-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Signed-off-by: Len Brown <len.brown@intel.com>
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ACPI_USE_LOCAL_CACHE will never be defined by the Linux kernel,
and thus utcache.c will always be dead code.
Signed-off-by: Len Brown <len.brown@intel.com>
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it is referenced only #ifdef ACPI_DISASSEMBLER,
which is never set by the kernel.
Signed-off-by: Len Brown <len.brown@intel.com>
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Remove calls to the BKL since concurrent access is protected
by the spin lock rtc_lock.
Signed-off-by: David John <davidjon@xenontk.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Reported-by: Aníbal Monsalve Salazar <anibal@debian.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Centralize the compression format detection to a common routine in the
lib directory, and use it for both initramfs and initrd.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Impact: Bug fix
Fix gunzip uncompression, so that it also works with files with
embedded filenames that are larger than one block.
Signed-off-by: Alain Knaff <alain@knaff.lu>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Impact: Cleanup
Fix constant 0x8100 /* 32K */; according to Alain the value 0x8100 was
left over test code to test misalignment, the correct value is indeed
0x8000 == 32K.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This matters for some controllers and in one or two cases almost doubles
PIO performance. Add a bmdma32 operations set we can inherit and activate
it for some controllers
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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There is an issue in ATI SB600/SB700 SATA that PxSERR.E should not be
set on some conditions, which will lead to many SATA ODD error messages.
commit 55a61604cd1354e1783364e1c901034f2f474b7d is the workaround.
Since SB800 fixed this HW issue, IGN_SERR_INTERNAL should be withdrawn
for SB800.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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If a raid1 has only one working drive and it has a sector which
gives an error on read, then an attempt to recover onto a spare will
fail, but as the single remaining drive is not removed from the
array, the recovery will be immediately re-attempted, resulting
in an infinite recovery loop.
So detect this situation and don't retry recovery once an error
on the lone remaining drive is detected.
Allow recovery to be retried once every time a spare is added
in case the problem wasn't actually a media error.
Signed-off-by: NeilBrown <neilb@suse.de>
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Using sequential numbers to identify md devices is somewhat artificial.
Using names can be a lot more user-friendly.
Also, creating md devices by opening the device special file is a bit
awkward.
So this patch provides a new option for creating and naming devices.
Writing a name such as "md_home" to
/sys/modules/md_mod/parameters/new_array
will cause an array with that name to be created. It will appear in
/sys/block/ /proc/partitions and /proc/mdstat as 'md_home'.
It will have an arbitrary minor number allocated.
md devices that a created by an open are destroyed on the last
close when the device is inactive.
For named md devices, they will not be destroyed until the array
is explicitly stopped, either with the STOP_ARRAY ioctl or by
writing 'clear' to /sys/block/md_XXXX/md/array_state.
The name of the array must start 'md_' to avoid conflict with
other devices.
Signed-off-by: NeilBrown <neilb@suse.de>
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Currently md devices, once created, never disappear until the module
is unloaded. This is essentially because the gendisk holds a
reference to the mddev, and the mddev holds a reference to the
gendisk, this a circular reference.
If we drop the reference from mddev to gendisk, then we need to ensure
that the mddev is destroyed when the gendisk is destroyed. However it
is not possible to hook into the gendisk destruction process to enable
this.
So we drop the reference from the gendisk to the mddev and destroy the
gendisk when the mddev gets destroyed. However this has a
complication.
Between the call
__blkdev_get->get_gendisk->kobj_lookup->md_probe
and the call
__blkdev_get->md_open
there is no obvious way to hold a reference on the mddev any more, so
unless something is done, it will disappear and gendisk will be
destroyed prematurely.
Also, once we decide to destroy the mddev, there will be an unlockable
moment before the gendisk is unlinked (blk_unregister_region) during
which a new reference to the gendisk can be created. We need to
ensure that this reference can not be used. i.e. the ->open must
fail.
So:
1/ in md_probe we set a flag in the mddev (hold_active) which
indicates that the array should be treated as active, even
though there are no references, and no appearance of activity.
This is cleared by md_release when the device is closed if it
is no longer needed.
This ensures that the gendisk will survive between md_probe and
md_open.
2/ In md_open we check if the mddev we expect to open matches
the gendisk that we did open.
If there is a mismatch we return -ERESTARTSYS and modify
__blkdev_get to retry from the top in that case.
In the -ERESTARTSYS sys case we make sure to wait until
the old gendisk (that we succeeded in opening) is really gone so
we loop at most once.
Some udev configurations will always open an md device when it first
appears. If we allow an md device that was just created by an open
to disappear on an immediate close, then this can race with such udev
configurations and result in an infinite loop the device being opened
and closed, then re-open due to the 'ADD' even from the first open,
and then close and so on.
So we make sure an md device, once created by an open, remains active
at least until some md 'ioctl' has been made on it. This means that
all normal usage of md devices will allow them to disappear promptly
when not needed, but the worst that an incorrect usage will do it
cause an inactive md device to be left in existence (it can easily be
removed).
As an array can be stopped by writing to a sysfs attribute
echo clear > /sys/block/mdXXX/md/array_state
we need to use scheduled work for deleting the gendisk and other
kobjects. This allows us to wait for any pending gendisk deletion to
complete by simply calling flush_scheduled_work().
Signed-off-by: NeilBrown <neilb@suse.de>
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md_free is the .release handler for the md kobj_type.
So it makes sense to release all the objects referenced by
the mddev in there, rather than just prior to calling kobject_put
for what we think is the last time.
Signed-off-by: NeilBrown <neilb@suse.de>
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It is more balanced to just do simple initialisation in mddev_find,
which allocates and links a new md device, and leave all the
more sophisticated allocation to md_probe (which calls mddev_find).
md_probe already allocated the gendisk. It should allocate the
queue too.
Signed-off-by: NeilBrown <neilb@suse.de>
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md_print_devices is called in two code path: MD_BUG(...), and md_ioctl
with PRINT_RAID_DEBUG. it will dump out all in use md devices
information;
However, it wrongly processed two types of superblock in one:
The header file <linux/raid/md_p.h> has defined two types of superblock,
struct mdp_superblock_s (typedefed with mdp_super_t) according to md with
metadata 0.90, and struct mdp_superblock_1 according to md with metadata
1.0 and later,
These two types of superblock are very different,
The md_print_devices code processed them both in mdp_super_t, that would
lead to wrong informaton dump like:
[ 6742.345877]
[ 6742.345887] md: **********************************
[ 6742.345890] md: * <COMPLETE RAID STATE PRINTOUT> *
[ 6742.345892] md: **********************************
[ 6742.345896] md1: <ram7><ram6><ram5><ram4>
[ 6742.345907] md: rdev ram7, SZ:00065472 F:0 S:1 DN:3
[ 6742.345909] md: rdev superblock:
[ 6742.345914] md: SB: (V:0.90.0) ID:<42ef13c7.598c059a.5f9f1645.801e9ee6> CT:4919856d
[ 6742.345918] md: L5 S00065472 ND:4 RD:4 md1 LO:2 CS:65536
[ 6742.345922] md: UT:4919856d ST:1 AD:4 WD:4 FD:0 SD:0 CSUM:b7992907 E:00000001
[ 6742.345924] D 0: DISK<N:0,(1,8),R:0,S:6>
[ 6742.345930] D 1: DISK<N:1,(1,10),R:1,S:6>
[ 6742.345933] D 2: DISK<N:2,(1,12),R:2,S:6>
[ 6742.345937] D 3: DISK<N:3,(1,14),R:3,S:6>
[ 6742.345942] md: THIS: DISK<N:3,(1,14),R:3,S:6>
...
[ 6742.346058] md0: <ram3><ram2><ram1><ram0>
[ 6742.346067] md: rdev ram3, SZ:00065472 F:0 S:1 DN:3
[ 6742.346070] md: rdev superblock:
[ 6742.346073] md: SB: (V:1.0.0) ID:<369aad81.00000000.00000000.00000000> CT:9a322a9c
[ 6742.346077] md: L-1507699579 S976570180 ND:48 RD:0 md0 LO:65536 CS:196610
[ 6742.346081] md: UT:00000018 ST:0 AD:131048 WD:0 FD:8 SD:0 CSUM:00000000 E:00000000
[ 6742.346084] D 0: DISK<N:-1,(-1,-1),R:-1,S:-1>
[ 6742.346089] D 1: DISK<N:-1,(-1,-1),R:-1,S:-1>
[ 6742.346092] D 2: DISK<N:-1,(-1,-1),R:-1,S:-1>
[ 6742.346096] D 3: DISK<N:-1,(-1,-1),R:-1,S:-1>
[ 6742.346102] md: THIS: DISK<N:0,(0,0),R:0,S:0>
...
[ 6742.346219] md: **********************************
[ 6742.346221]
Here md1 is metadata 0.90.0, and md0 is metadata 1.2
After some more code to distinguish these two types of superblock, in this patch,
it will generate dump information like:
[ 7906.755790]
[ 7906.755799] md: **********************************
[ 7906.755802] md: * <COMPLETE RAID STATE PRINTOUT> *
[ 7906.755804] md: **********************************
[ 7906.755808] md1: <ram7><ram6><ram5><ram4>
[ 7906.755819] md: rdev ram7, SZ:00065472 F:0 S:1 DN:3
[ 7906.755821] md: rdev superblock (MJ:0):
[ 7906.755826] md: SB: (V:0.90.0) ID:<3fca7a0d.a612bfed.5f9f1645.801e9ee6> CT:491989f3
[ 7906.755830] md: L5 S00065472 ND:4 RD:4 md1 LO:2 CS:65536
[ 7906.755834] md: UT:491989f3 ST:1 AD:4 WD:4 FD:0 SD:0 CSUM:00fb52ad E:00000001
[ 7906.755836] D 0: DISK<N:0,(1,8),R:0,S:6>
[ 7906.755842] D 1: DISK<N:1,(1,10),R:1,S:6>
[ 7906.755845] D 2: DISK<N:2,(1,12),R:2,S:6>
[ 7906.755849] D 3: DISK<N:3,(1,14),R:3,S:6>
[ 7906.755855] md: THIS: DISK<N:3,(1,14),R:3,S:6>
...
[ 7906.755972] md0: <ram3><ram2><ram1><ram0>
[ 7906.755981] md: rdev ram3, SZ:00065472 F:0 S:1 DN:3
[ 7906.755984] md: rdev superblock (MJ:1):
[ 7906.755989] md: SB: (V:1) (F:0) Array-ID:<5fbcf158:55aa:5fbe:9a79:1e939880dcbd>
[ 7906.755990] md: Name: "DG5:0" CT:1226410480
[ 7906.755998] md: L5 SZ130944 RD:4 LO:2 CS:128 DO:24 DS:131048 SO:8 RO:0
[ 7906.755999] md: Dev:00000003 UUID: 9194d744:87f7:a448:85f2:7497b84ce30a
[ 7906.756001] md: (F:0) UT:1226410480 Events:0 ResyncOffset:-1 CSUM:0dbcd829
[ 7906.756003] md: (MaxDev:384)
...
[ 7906.756113] md: **********************************
[ 7906.756116]
this md0 (metadata 1.2) information dumping is exactly according to struct
mdp_superblock_1.
Signed-off-by: Cheng Renquan <crquan@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Dan Williams <dan.j.williams@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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The rdev_for_each macro defined in <linux/raid/md_k.h> is identical to
list_for_each_entry_safe, from <linux/list.h>, it should be defined to
use list_for_each_entry_safe, instead of reinventing the wheel.
But some calls to each_entry_safe don't really need a safe version,
just a direct list_for_each_entry is enough, this could save a temp
variable (tmp) in every function that used rdev_for_each.
In this patch, most rdev_for_each loops are replaced by list_for_each_entry,
totally save many tmp vars; and only in the other situations that will call
list_del to delete an entry, the safe version is used.
Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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This patch renames the hash_spacing and preshift members of struct
raid0_private_data to spacing and sector_shift respectively and
changes the semantics as follows:
We always have spacing = 2 * hash_spacing. In case
sizeof(sector_t) > sizeof(u32) we also have sector_shift = preshift + 1
while sector_shift = preshift = 0 otherwise.
Note that the values of nb_zone and zone are unaffected by these changes
because in the sector_div() preceeding the assignement of these two
variables both arguments double.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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This completes the block -> sector conversion of struct strip_zone.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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This patch consists only of these trivial changes.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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current_offset and curr_zone_offset stored the corresponding offsets
as 1K quantities. Rename them to current_start and curr_zone_start
to match the naming of struct strip_zone and store the offsets as
sector counts.
Also, add KERN_INFO to the printk() affected by this change to make
checkpatch happy.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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For the same reason as in the previous patch, rename it from zone_offset
to zone_start.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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Rename zone->dev_offset to zone->dev_start to make sure all users
have been converted.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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This change already simplifies the code a bit.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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We might as well use chunk_sects instead.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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As ffz(~(2 * x)) = ffz(~x) + 1, we have
chunksect_bits = chunksize_bits + 1.
Fixup all users accordingly.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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There is no compelling need for this, but sysfs_notify_dirent is a
nicer interface and the change is good for consistency.
Signed-off-by: NeilBrown <neilb@suse.de>
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commit a2ed9615e3222645007fc19991aedf30eed3ecfd
fixed a bug with 'internal' bitmaps, but in the process broke
'in a file' bitmaps. So they are broken in 2.6.28
This fixes it, and needs to go in 2.6.28-stable.
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
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Reimplement mode programming logic of pata_hpt366 such that it's
identical to that of IDE hpt366 driver. The differences were...
* pata_hpt366 used 0xCFFF8FFFF to mask pio modes and 0x3FFFFFFF dma
modes. IDE hpt366 uses 0xC1F8FFFF for PIO, 0x303800FF for MWDMA and
0x30070000 for UDMA.
* pata_hpt366 doesn't set 0x08000000 for PIO unless it's already set
and always turns it on for MWDMA/UDMA. IDE hpt366 doesn't bother
with the bit. It always uses what was there.
* IDE hpt366 always clears 0xC0000000. pata_hpt366 doesn't.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Hendrik Brueckner
Heiko Carstens
Jan Glauber
Holger Smolinski
Stefan Weinhuber
Kamalesh Babulal
Mike Frysinger
Huang Weiyi
Len Brown
Zhao Yakui
Tony Vroon
David John
Jonathan Corbet
H. Peter Anvin
Alain Knaff
Alan Cox
Shane Huang
NeilBrown
Cheng Renquan
Andre Noll
Tejun Heo
Jeff Garzik