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Pass the POSIX lock owner ID to the flush operation.
This is useful for filesystems which don't want to store any locking state
in inode->i_flock but want to handle locking/unlocking POSIX locks
internally. FUSE is one such filesystem but I think it possible that some
network filesystems would need this also.
Also add a flag to indicate that a POSIX locking request was generated by
close(), so filesystems using the above feature won't send an extra locking
request in this case.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The wd33c93 needs a small delay before a new command can be started.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This ugly hack was long overdue to die.
It was a way to print out Sparc interrupts in a more freindly format,
since IRQ numbers were arbitrary opaque 32-bit integers which vectored
into PIL levels. These 32-bit integers were not necessarily in the
0-->NR_IRQS range, but the PILs they vectored to were.
The idea now is that we will increase NR_IRQS a little bit and use a
virtual<-->real IRQ number mapping scheme similar to PowerPC.
That makes this IRQ printing hack irrelevant, and furthermore only a
handful of drivers actually used __irq_itoa() making it even less
useful.
Signed-off-by: David S. Miller <davem@davemloft.net>
Doing a full ata_busy_sleep() seems to get suspend and resume working
fine on the Apple Mac Mini, at least.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This one's quite tricky. The 53c700 uses the now deprecated fields of
the command structure for saving the prior command when it does
autosense. To fix this, we have to add extra fields to the LUN to
accommodate a copy of the real command.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Updates:
- don't bypass SYNCHRONIZE_CACHE command
- return SCSI_MLQUEUE_HOST_BUSY when no free request slots
- move scsi_remove_host() to the begin of hpt_remove(), or it will
not work after resources being released.
Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Received from Mark Salyzyn
Spelling correction, orphaned comment removal & update branch name.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Received From Mark Salyzyn
Some of the cards product names changed.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Received from Mark Salyzyn
clear_user return is 0 for success, the code fragment is written to
assume that it is the count of the number of bytes zero'd.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This is a hold over from the end device/expander conversion. Apparently
the rphy list pointer is never initialised, so list_del() on the
uninitialised pointer can panic the system
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Bug fix: mv_eng_timeout() calls mv_err_intr() without first grabbing the host lock,
which can lead to all sorts of interesting scenarios.
This whole error-handling portion of sata_mv is nasty (and will get fixed for
the new EH stuff), but for now this patch will help keep it on life-support.
Signed-off-by: Mark Lord <liml@rtr.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
The RQ_SCSI_* flags are a vestiage of a long past history. The EH code
still sets them but we never make use of that information. The other
users is pluto.c which never had a chance to work but needs to be kept
compiling to keep Davem happy, so copy over the definition there.
We could probably get rid of RQ_ACTIVE/RQ_INACTIVE aswell with some
work, there's only two more or less bogus looking uses in ubd and scsi.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
With Achim patch the last user (gdth) is switched away from scsi_request
so we an kill it now. Also disables some code in i2o_scsi that was
broken since the sg driver stopped using scsi_requests.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This is really just a belt and braces test. The standards require
disks to respond DT not capable on a non-LVD bus ... however, not all
disks follow the standards ...
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Read the transciever register and display in the host transport
properties. I'm still not entirely sure what this does for multiple
transciever adapters (like some 160 ones) however, I suspect it
displays the transciever state of the switchable bus segment.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
HighPoint RocketRAID 3220/3320 series 8 channel PCI-X SATA RAID Host
Adapters.
Fixes from original submission:
Merge Andrew Morton's patches:
- Provide locking for global list
- Fix debug printks
- uninline function with multiple callsites
- coding style fixups
- remove unneeded casts of void*
- kfree(NULL) is legal
- Don't "succeed" if register_chrdev() failed - otherwise we'll later
unregister a not-registered chrdev.
- Don't return from hptiop_do_ioctl() with the spinlock held.
- uninline __hpt_do_ioctl()
Update for Arjan van de Ven's comments:
- put all asm/ includes after the linux/ ones
- replace mdelay with msleep
- add pci posting flush
- do not set pci command reqister in map_pci_bar
- do not try merging sg elements in hptiop_buildsgl()
- remove unused outstandingcommands member from hba structure
- remove unimplemented hptiop_abort() handler
- remove typedef u32 hpt_id_t
Other updates:
- fix endianess
Signed-off-by: HighPoint Linux Team <linux@highpoint-tech.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Initial pass at converting the gdth driver away from the scsi_request
interface so that the request interface can be removed post 2.6.18
without breaking gdth. Based on changes from Christoph Hellwig
<hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Various scsi drivers use scsi_cmnd.buffer and scsi_cmnd.bufflen in their
queuecommand functions. Those fields are internal storage for the
midlayer only and are used to restore the original payload after
request_buffer and request_bufflen have been overwritten for EH. Using
the buffer and bufflen fields means they do very broken things in error
handling.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This patch( originally submitted by Christoph Hellwig) removes
instance_lock and changes fw_outstanding variable data type to
atomic_t.
Signed-off-by: Sumant Patro <Sumant.Patro@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
We can race and misset the suspend bit if iscsi_write_space is
called then iscsi_send returns with a failure indicating
there is no space.
To handle this this patch returns a error upwards allowing xmitworker
to decide if we need to try and transmit again. For the no
write space case xmitworker will not retry, and instead
let iscsi_write_space queue it back up if needed (this relies
on the work queue code to properly requeue us if needed).
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
from davidw@netapp.com:
remove task type should return a task on success.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
from davidw@netapp.com:
We must grab the session lock when modifying the running lists.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
If recovery failed or we are in recovery only overwrite the state
if we are going to terminate the session or if we logged back in.
STOP_CONN_SUSPEND and conn_cnt are not used. We only support
a single connection session ATM, so cleanup that code while
we are working around it.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] scsi_lib.c: properly count the number of pages in scsi_req_map_sg()
[SCSI] scsi_transport_sas: make write attrs writeable
[SCSI] scsi_transport_sas; fix user_scan
[SCSI] ppa: fix for machines with highmem
[SCSI] mptspi: reset handler shouldn't be called for other bus protocols
[SCSI] Blacklist entry for HP dat changer
The calculation of nr_pages in scsi_req_map_sg() doesn't account for
the fact that the first page could have an offset that pushes the end
of the buffer onto a new page.
Signed-off-by: Bryan Holty <lgeek@frontiernet.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Okay, just to sum things up.
This forces libata to wait for up to 2 seconds for BUSY|DRQ to clear
on resume before continuing.
[jgarzik adds...] During testing we never saw DRQ asserted, but
nonetheless (a) this works and (b) testing for DRQ won't hurt.
Signed-off-by: Mark Lord <liml@rtr.ca>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
max_id now means the maximum number of ids on the bus, which means it
is one greater than the largest possible id number.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
The scsi_scan_host_selected() should return -EINVAL when the id is equal
to the max_id. Currently it uses ">" when comparing with max_id, and
hence leaves the border case when "id==max_id".
The channel and lun have values valid from 0 up to,
and including, max_channel or max_lun. But, the valid values for id
range from 0 to max_id-1. This patch fixes the problem.
Signed-off-by: Amit Arora <aarora@in.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Backport the "pio flush" from the libata major update to 2.6.17 for via atapi.
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Relax the lowmem bounce buffer requirement for imm so that any
low memory page will do -- they don't need to be below the
ISA 16 MB limit, just need to be mapped in low memory.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Semantic changes in ISP24xx firmware behaviour inadvertently
caused the driver to believe an F-port topology was present in an
N_port-to-N_port configuration.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Simplify and centralise buffer allocation/deallocation, as
there's no point in having two memory request methods.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Expandind on the previous commit:
commit 79f89a4296
Author: andrew.vasquez@qlogic.com <andrew.vasquez@qlogic.com>
Date: Fri Jan 13 17:05:58 2006 -0800
[SCSI] qla2xxx: Disable port-type RSCN handling via driver state-machine.
and given:
- the process-context requirements of the FC transport
rport-APIs.
- lack of port-type RSCN processing logic for ISP24xx and newer
chips.
it's time now to remove the state-machine logic from mainline.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
In qla2x00_reset_chip the driver first takes the hardware lock,
and then later on takes the mbx lock.
In the mailbox_command code.. it goes the other way around.
Discovered with the lock validator.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
