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The kref now does most of what cl_count + cl_user used to do. The only
remaining role for cl_count is to tell us if we are in a 'shutdown'
phase. We can provide that information using a single bit field instead
of a full atomic counter.
Also rename rpc_destroy_client() to rpc_close_client(), which reflects
better what its role is these days.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Replace it with explicit calls to rpc_shutdown_client() or
rpc_destroy_client() (for the case of asynchronous calls).
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Its use is at best racy, and there is only one user (lockd), which has
additional locking that makes the whole thing redundant.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Use that to protect the rpc_clnt->cl_tasks list instead of using a global
lock.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Also ensure that nfs_inode ncommit and npages are large enough to represent
all possible values for the number of pages.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Add a tag for requests that are waiting for a COMMIT
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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The Linux NFS4 client simply skips over the bitmask in an O_EXCL open
call and so it doesn't bother to reset any fields that may be holding
the verifier. This patch has us save the first two words of the bitmask
(which is all the current client has #defines for). The client then
later checks this bitmask and turns on the appropriate flags in the
sattr->ia_verify field for the following SETATTR call.
This patch only currently checks to see if the server used the atime
and mtime slots for the verifier (which is what the Linux server uses
for this). I'm not sure of what other fields the server could
reasonably use, but adding checks for others should be trivial.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Many places in kernel use seq_file API to iterate over a regular list_head.
The code for such iteration is identical in all the places, so it's worth
introducing a common helpers.
This makes code about 300 lines smaller:
The first version of this patch made the helper functions static inline
in the seq_file.h header. This patch moves them to the fs/seq_file.c as
Andrew proposed. The vmlinux .text section sizes are as follows:
2.6.22-rc1-mm1: 0x001794d5
with the previous version: 0x00179505
with this patch: 0x00179135
The config file used was make allnoconfig with the "y" inclusion of all
the possible options to make the files modified by the patch compile plus
drivers I have on the test node.
This patch:
Many places in kernel use seq_file API to iterate over a regular list_head.
The code for such iteration is identical in all the places, so it's worth
introducing a common helpers.
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is a hybrid version of the patch to add the LZO1X compression
algorithm to the kernel. Nitin and myself have merged the best parts of
the various patches to form this version which we're both happy with (and
are jointly signing off).
The performance of this version is equivalent to the original minilzo code
it was based on. Bytecode comparisons have also been made on ARM, i386 and
x86_64 with favourable results.
There are several users of LZO lined up including jffs2, crypto and reiser4
since its much faster than zlib.
Signed-off-by: Nitin Gupta <nitingupta910@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
mmc: at91_mci: fix hanging and rework to match flowcharts
mmc: at91_mci typo
sdhci: Fix "Unexpected interrupt" handling
mmc: fix silly copy-and-paste error
mmc: move layer init and workqueue to core file
mmc: refactor host class handling
mmc: refactor bus operations
sdhci: add ene controller id
mmc: bounce requests for simple hosts
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (32 commits)
[libata] sata_mv: print out additional chip info during probe
[libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info
[libata] AHCI: Add support for Marvell AHCI-like chips (initially 6145)
[libata] Clean up driver udma_mask initializers
libata: Support chips with 64K PRD quirk
Add a PCI ID for santa rosa's PATA controller.
sata_sil24: sil24_interrupt() micro-optimisation
Add irq_flags to struct pata_platform_info
sata_promise: cleanups
[libata] pata_ixp4xx: kill unused var
ata_piix: fix pio/mwdma programming
[libata] ahci: minor internal cleanups
[ATA] Add named constant for ATAPI command DEVICE RESET
[libata] sata_sx4, sata_via: minor documentation updates
[libata] ahci: minor internal cleanups
[libata] ahci: Factor out SATA port init into a separate function
[libata] pata_sil680: minor cleanups from benh
[libata] sata_sx4: named constant cleanup
[libata] pata_ixp4xx: convert to new EH
[libata] pdc_adma: Reorder initializers with a couple structs
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (62 commits)
[MIPS] PNX8550: Cleanup proc code.
[MIPS] WRPPMC: Fix build.
[MIPS] Yosemite: Fix modpost warnings.
[MIPS] Change names of local variables to silence sparse
[MIPS] SB1: Fix modpost warning.
[MIPS] PNX: Fix modpost warnings.
[MIPS] Alchemy: Fix modpost warnings.
[MIPS] Non-FPAFF: Fix warning.
[MIPS] DEC: Fix modpost warning.
[MIPS] MIPSsim: Enable MIPSsim virtual network driver.
[MIPS] Delete Ocelot 3 support.
[MIPS] remove LASAT Networks platforms support
[MIPS] Early check for SMTC kernel on non-MT processor
[MIPS] Add debugfs files to show fpuemu statistics
[MIPS] Add some debugfs files to debug unaligned accesses
[MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs
[MIPS] tc35815: Load MAC address via platform_device
[MIPS] Move FPU affinity code into separate file.
[MIPS] Make ioremap() work on TX39/49 special unmapped segment
[MIPS] rbtx4938: Update and minimize defconfig
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* git://git.infradead.org/~dwmw2/battery-2.6:
[BATTERY] ds2760 W1 slave
[BATTERY] One Laptop Per Child power/battery driver
[BATTERY] Apple PMU driver
[BATTERY] 1-Wire ds2760 chip battery driver
[BATTERY] APM emulation driver for class batteries
[BATTERY] pda_power platform driver
[BATTERY] Universal power supply class (was: battery class)
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (57 commits)
[GFS2] Accept old format NFS filehandles
[GFS2] Small fixes to logging code
[DLM] dump more lock values
[GFS2] Remove i_mode passing from NFS File Handle
[GFS2] Obtaining no_formal_ino from directory entry
[GFS2] git-gfs2-nmw-build-fix
[GFS2] System won't suspend with GFS2 file system mounted
[GFS2] remounting w/o acl option leaves acls enabled
[GFS2] inode size inconsistency
[DLM] Telnet to port 21064 can stop all lockspaces
[GFS2] Fix gfs2_block_truncate_page err return
[GFS2] Addendum to the journaled file/unmount patch
[GFS2] Simplify multiple glock aquisition
[GFS2] assertion failure after writing to journaled file, umount
[GFS2] Use zero_user_page() in stuffed_readpage()
[GFS2] Remove bogus '\0' in rgrp.c
[GFS2] Journaled file write/unstuff bug
[DLM] don't require FS flag on all nodes
[GFS2] Fix deallocation issues
[GFS2] return conflicts for GETLK
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* 'splice-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-block:
pipe: add documentation and comments
pipe: change the ->pin() operation to ->confirm()
Remove remnants of sendfile()
xip sendfile removal
splice: completely document external interface with kerneldoc
sendfile: remove bad_sendfile() from bad_file_ops
shmem: convert to using splice instead of sendfile()
relay: use splice_to_pipe() instead of open-coding the pipe loop
pipe: allow passing around of ops private pointer
splice: divorce the splice structure/function definitions from the pipe header
splice: relay support
sendfile: convert nfsd to splice_direct_to_actor()
sendfile: convert nfs to using splice_read()
loop: convert to using splice_direct_to_actor() instead of sendfile()
splice: add void cookie to the actor data
sendfile: kill generic_file_sendfile()
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
sys_sendfile: switch to using ->splice_read, if available
vmsplice: add vmsplice-to-user support
splice: abstract out actor data
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* 'trivial-2.6.23' of git://git.kernel.dk/data/git/linux-2.6-block:
Documentation/block/barrier.txt is not in sync with the actual code: - blk_queue_ordered() no longer has a gfp_mask parameter - blk_queue_ordered_locked() no longer exists - sd_prepare_flush() looks slightly different
Use list_for_each_entry() instead of list_for_each() in the block device
Make a "menuconfig" out of the Kconfig objects "menu, ..., endmenu",
block/Kconfig already has its own "menuconfig" so remove these
Use menuconfigs instead of menus, so the whole menu can be disabled at once
cfq-iosched: fix async queue behaviour
unexport bio_{,un}map_user
Remove legacy CDROM drivers
[PATCH] fix request->cmd == INT cases
cciss: add new controller support for P700m
[PATCH] Remove acsi.c
[BLOCK] drop unnecessary bvec rewinding from flush_dry_bio_endio
[PATCH] cdrom_sysctl_info fix
blk_hw_contig_segment(): bad segment size checks
[TRIVIAL PATCH] Kill blk_congestion_wait() stub for !CONFIG_BLOCK
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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With the cfq_queue hash removal, we inadvertently got rid of the
async queue sharing. This was not intentional, in fact CFQ purposely
shares the async queue per priority level to get good merging for
async writes.
So put some logic in cfq_get_queue() to track the shared queues.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Common power driver for PDAs and phones with one or two external
power supplies (AC/USB) connected to main and backup batteries,
and optional builtin charger.
It's used to stop logic duplication through different embedded
devices. So, power supply *logic* is here. pda_power register
power supplies, and will take care about notifying batteries
about power changes through external power interface.
Currently, power consumption legal limits (including USB power
consumption) should be handled by platform code, inside set_charge
function.
Signed-off-by: Anton Vorontsov <cbou@mail.ru>
Signed-off-by: Roman Moravcik <roman.moravcik@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This class is result of "external power" and "battery" classes merge,
as suggested by David Woodhouse. He also implemented uevent support.
Here how userspace seeing it now:
# ls /sys/class/power\ supply/
ac main-battery usb
# cat /sys/class/power\ supply/ac/type
AC
# cat /sys/class/power\ supply/usb/type
USB
# cat /sys/class/power\ supply/main-battery/type
Battery
# cat /sys/class/power\ supply/ac/online
1
# cat /sys/class/power\ supply/usb/online
0
# cat /sys/class/power\ supply/main-battery/status
Charging
# cat /sys/class/leds/h5400\:red-left/trigger
none h5400-radio timer hwtimer ac-online usb-online
main-battery-charging-or-full [main-battery-charging]
main-battery-full
Signed-off-by: Anton Vorontsov <cbou@mail.ru>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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As per Andrew Mortons request, here's a set of documentation for
the generic pipe_buf_operations hooks, the pipe, and pipe_buffer
structures.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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The name 'pin' was badly chosen, it doesn't pin a pipe buffer
in the most commonly used sense in the kernel. So change the
name to 'confirm', after debating this issue with Hugh
Dickins a bit.
A good return from ->confirm() means that the buffer is really
there, and that the contents are good.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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There are now zero users of .sendfile() in the kernel, so kill
it from the file_operations structure and in do_sendfile().
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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This patch removes xip_file_sendfile, the sendfile implementation for
xip without replacement. Those customers that use xip on s390 are not
using sendfile() as far as we know, and so far s390 is the only platform
this could potentially be used on so far.
Having sendfile is not a popular feature for execute in place file
systems, however we have a working implementation of splice_read() based
on fs/splice.c if anyone asks for it.
At this point in time, it does not seem preferable to merge
splice_read() for xip because it causes extra maintenence effort due to
code duplication and it requires struct page behind the xip memory
segment. We'd like to get rid of that in favor of supporting flash based
embedded platforms (Monta Vista work) soon.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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relay needs this for proper consumption handling, and the network
receive support needs it as well to lookup the sk_buff on pipe
release.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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We need to move even more stuff into the header so that folks can use
the splice_to_pipe() implementation instead of open-coding a lot of
pipe knowledge (see relay implementation), so move to our own header
file finally.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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We need that for passing driver private info.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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It's no longer used.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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A bit of a cheat, it actually just copies the data to userspace. But
this makes the interface nice and symmetric and enables people to build
on splice, with room for future improvement in performance.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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For direct splicing (or private splicing), the output may not be a file.
So abstract out the handling into a specified actor function and put
the data in the splice_desc structure earlier, so we can build on top
of that.
This is the first step in better splice handling for drivers, and also
for implementing vmsplice _to_ user memory.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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blk_congestion_wait() doesn't exist anymore, but there's still a stub
in blkdev.h for the !CONFIG_BLOCK case. Kill it.
Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Adds support for simulating a mouse using GPIO lines. The driver
needs an appropriate platform device to be created by architecture
code.
The driver has been tested on AT32AP7000 microprocessor using the
ATSTK1000 development board.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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The USB_DEVICE_INTERFACE_PROTOCOL will allow to match one interface
protocol of vendor specific device. This macro is used in patch adding
support for xbox360 to xpad.c
Signed-off-by: Jan Kratochvil <honza@jikos.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (31 commits)
firewire: fw-sbp2: fix DMA mapping of management ORBs
firewire: fw-sbp2: fix DMA mapping of command ORBs
firewire: fw-sbp2: fix DMA mapping of S/G tables
firewire: fw-sbp2: add a boundary check
firewire: fw-sbp2: correctly align page tables
firewire: fw-sbp2: memset wants string.h
firewire: fw-sbp2: use correct speed in sbp2_agent_reset
firewire: fw-sbp2: correctly dereference by container_of
firewire: Document userspace ioctl interface.
firewire: fw-sbp2: implement nonexclusive login
firewire: fw-sbp2: let SCSI shutdown commands through before logout
firewire: fw-sbp2: implement max sectors limit for some old bridges
firewire: simplify a struct type
firewire: support S100B...S400B and link slower than PHY
firewire: optimize gap count with 1394b leaf nodes
firewire: remove unused macro
firewire: missing newline in printk
firewire: fw-sbp2: remove unused struct member
ieee1394: remove old isochronous ABI
ieee1394: sbp2: change some module parameters from int to bool
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: handle cases of volume knobs generating relative values
HID: Logitech keyboard 0xc311 needs reset leds quirk
HID: support for logitech cordless desktop LX500 special mapping
HID: fix autocentering of PID devices
HID: separate quirks for report descriptor fixup
HID: Add NOGET quirk for all NCR devices
HID: support for Petalynx Maxter remote control
HID: fix mismatch between hid-input HUT find/search mapping and the HUT
HID: support for Gameron dual psx adaptor
USB HID: avoid flush_scheduled_work()
HID: Use menuconfig objects
HID: force hid-input for Microsoft SideWinder GameVoice device
HID: input mapping for Chicony KU-0418 tactical pad
HID: make debugging output runtime-configurable
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (75 commits)
Ethernet driver for EISA only SNI RM200/RM400 machines
Extract chip specific code out of lasi_82596.c
ehea: Whitespace cleanup
pasemi_mac: Fix TX interrupt threshold
spidernet: Replace literal with const
r8169: perform RX config change after mac filtering
r8169: mac address change support
r8169: display some extra debug information during startup
r8169: add endianess annotations to [RT]xDesc
r8169: align the IP header when there is no DMA constraint
r8169: add bit description for the TxPoll register
r8169: cleanup
r8169: remove the media option
r8169: small 8101 comment
r8169: confusion between hardware and IP header alignment
r8169: merge with version 8.001.00 of Realtek's r8168 driver
r8169: merge with version 6.001.00 of Realtek's r8169 driver
r8169: prettify mac_version
r8169: populate the hw_start handler for the 8110
r8169: populate the hw_start handler for the 8168
...
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The isochronous packet format is still not documented, but this
is a good first step.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (format, wording)
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This patch allows users to override both host and device side cable detection
with "ideX=ata66" kernel parameter. Thanks to this it should be now possible
to use UDMA > 2 modes on systems (laptops mainly) which use short 40-pin cable
instead of 80-pin one.
Next patches add automatic detection of some systems using short cables.
Changes:
* Rename hwif->udma_four to hwif->cbl and make it u8.
* Convert all existing users accordingly (use ATA_CBL_* defines while at it).
* Add ATA_CBL_PATA40_SHORT support to ide-iops.c:eighty_ninty_three().
* Use ATA_CBL_PATA40_SHORT for "ideX=ata66" kernel parameter.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
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The IDE driver uses a semaphore as mutex.
Use the mutex API instead of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
--
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The IDE driver uses a semaphore as mutex.
Use the mutex API instead of the (binary) semaphore.
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Since ide_dma_timeout() method's result is discarded, make it return 'void'.
While at it, drop 'ide_' from the method's name, drop the '__' prefix from
the default method's name, and do some cleanups in this method driver-wise:
- in ide-dma.c, au1xxx-ide.c, and pdc202xx_old.c, define/use 'hwif' variable;
- in au1xxx-ide.c, get rid of commented out printk();
- in sl82c105.c, get rid of unnecessary variables.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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