- 07 Dec, 2006 40 commits
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Tejun Heo authored
free_fdtable_rc() schedules timer to reschedule fddef->wq if schedule_work() on it returns 0. However, schedule_work() guarantees that the target work is executed at least once after the scheduling regardless of its return value. 0 return simply means that the work was already pending and thus no further action was required. Another problem is that it used contant '5' as @expires argument to mod_timer(). Kill unnecessary fddef->timer. Signed-off-by:
Tejun Heo <htejun@gmail.com> Cc: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Ingo Molnar authored
Add SysRq-X support: show blocked (TASK_UNINTERRUPTIBLE) tasks only. Useful for debugging IO stalls. Signed-off-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Miklos Szeredi authored
Randy Dunlap wote: > Should FUSE depend on BLOCK? Without that and with BLOCK=n, I get: > > inode.c:(.text+0x3acc5): undefined reference to `sb_set_blocksize' > inode.c:(.text+0x3a393): undefined reference to `get_sb_bdev' > fs/built-in.o:(.data+0xd718): undefined reference to `kill_block_super Most fuse filesystems work fine without block device support, so I think a better solution is to disable the 'fuseblk' filesystem type if BLOCK=n. Signed-off-by:
Miklos Szeredi <miklos@szeredi.hu> Acked-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Miklos Szeredi authored
Add a DESTROY operation for block device based filesystems. With the help of this operation, such a filesystem can flush dirty data to the device synchronously before the umount returns. This is needed in situations where the filesystem is assumed to be clean immediately after unmount (e.g. ejecting removable media). Signed-off-by:
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Miklos Szeredi authored
Add support for the BMAP operation for block device based filesystems. This is needed to support swap-files and lilo. Signed-off-by:
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Miklos Szeredi authored
Add 'blksize' option for block device based filesystems. During initialization this is used to set the block size on the device and the super block. The default block size is 512bytes. Signed-off-by:
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Miklos Szeredi authored
I never intended this, but people started using fuse to implement block device based "real" filesystems (ntfs-3g, zfs). The following four patches add better support for these kinds of filesystems. Unlike "normal" fuse filesystems, using this feature should require superuser privileges (enforced by the fusermount utility). Thanks to Szabolcs Szakacsits for the input and testing. This patch adds a 'fuseblk' filesystem type, which is only different from the 'fuse' filesystem type in how the 'dev_name' mount argument is interpreted. Signed-off-by:
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Miklos Szeredi authored
Remove unneeded code from fuse_dentry_revalidate(). This made some sense while the validity time could wrap around, but now it's a very obvious no-op. Signed-off-by:
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Miklos Szeredi authored
Add a flag to the RELEASE message which specifies that a FLUSH operation should be performed as well. This interface update is needed for the FreeBSD port, and doesn't actually touch the Linux implementation at all. Also rename the unused 'flush_flags' in the FLUSH message to 'unused'. Signed-off-by:
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Jan Engelhardt authored
Change the signature of i_size_read(), IMINOR() and IMAJOR() because they, or the functions they call, will never modify the argument. Signed-off-by:
Jan Engelhardt <jengelh@gmx.de> Signed-off-by:
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Jeff Garzik authored
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Jeff Garzik <jeff@garzik.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Jeff Garzik authored
Propagate copy_to/from_user() errors back through callers. Signed-off-by:
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Jeff Garzik authored
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Jeff Garzik authored
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Jeff Garzik authored
i2o_scsi: handle sysfs failure i2o_device: * convert i2o_device_add() to return integer error code rather than pointer. Fortunately -nobody- checks the return code of this function, so changing has nil impact. * handle errors thrown by device_register() More work in i2o_device remains. Signed-off-by:
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Adam B. Jerome authored
This patch addresses incorrect symbol type information reported through /proc/kallsyms. A lowercase character should designate the symbol as local (or non-exported). An uppercase character should designate the symbol as global (or external). Without this patch, some non-exported symbols are incorrectly assigned an upper-case designation in /proc/kallsyms. This patch corrects this condition by converting non-exported symbols types to lower case when appropriate and eliminates the superfluous upcase_if_global function Signed-off-by:
Adam B. Jerome <abj@novell.com> Signed-off-by:
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Pekka Enberg authored
Update ext4_statfs to return an FSID that is a 64 bit XOR of the 128 bit filesystem UUID as suggested by Andreas Dilger. See the following Bugzilla entry for details: http://bugzilla.kernel.org/show_bug.cgi?id=136 Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Stephen Tweedie <sct@redhat.com> Signed-off-by:
Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by:
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Pekka Enberg authored
Update ext3_statfs to return an FSID that is a 64 bit XOR of the 128 bit filesystem UUID as suggested by Andreas Dilger. See the following Bugzilla entry for details: http://bugzilla.kernel.org/show_bug.cgi?id=136 Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Stephen Tweedie <sct@redhat.com> Signed-off-by:
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Pekka Enberg authored
Update ext2_statfs to return an FSID that is a 64 bit XOR of the 128 bit filesystem UUID as suggested by Andreas Dilger. See the following Bugzilla entry for details: http://bugzilla.kernel.org/show_bug.cgi?id=136 Cc: Andreas Dilger <adilger@clusterfs.com> Cc: Stephen Tweedie <sct@redhat.com> Signed-off-by:
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Stas Sergeev authored
Make access(X_OK) take the "noexec" mount option into account. Signed-off-by:
Stas Sergeev <stsp@aknet.ru> Cc: Jakub Jelinek <jakub@redhat.com> Cc: Arjan van de Ven <arjan@infradead.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Hugh Dickins <hugh@veritas.com> Cc: Ulrich Drepper <drepper@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Peter Zijlstra authored
Stick NFS sockets in their own class to avoid some lockdep warnings. NFS sockets are never exposed to user-space, and will hence not trigger certain code paths that would otherwise pose deadlock scenarios. [akpm@osdl.org: cleanups] Signed-off-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by:
Steven Dickson <SteveD@redhat.com> Acked-by:
Neil Brown <neilb@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by:
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Amol Lad authored
ioremap must be balanced by an iounmap and failing to do so can result in a memory leak. Signed-off-by:
Amol Lad <amol@verismonetworks.com> Signed-off-by:
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Amol Lad authored
Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Amol Lad authored
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Amol Lad authored
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Peter Korsgaard authored
Add a driver for the Xilinx uartlite serial controller used in boards with the PPC405 core in the Xilinx V2P/V4 fpgas. The hardware is very simple (baudrate/start/stopbits fixed and no break support). See the datasheet for details: http://www.xilinx.com/bvdocs/ipcenter/data_sheet/opb_uartlite.pdf See http://thread.gmane.org/gmane.linux.serial/1237/ for the email thread. Signed-off-by:
Peter Korsgaard <jacmet@sunsite.dk> Acked-by:
Olof Johansson <olof@lixom.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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Suzuki K P authored
check_partition() stops its probe once it hits an I/O error from the partition checkers. This would prevent the actual partition checker getting a chance to verify the partition. So this patch lets check_partition() continue probing untill it hits a success while recording the I/O error which might have been reported by the checking routines. Also, it does some cleanup of the partition methods for ibm, atari and amiga to return -1 upon hitting an I/O error. Signed-off-by:
Suzuki K P <suzuki@in.ibm.com> Signed-off-by:
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Suzuki Kp authored
The current rescan_partition implementation ignores the errors that comes from the lower layer. It reports success for unknown partitions as well as I/O error cases while reading the partition information. The unknown partition is not (and will not be) considered as an error in the kernel, since there are legal users of it (e.g, members of a RAID5 MD Device or a new disk which is not partitioned at all ). Changing this behaviour would scare the user about a serious problem with their disk and is not recommended. Thus for both "unknown partitions" to the Linux (eg., DEC VMS,Novell Netware) and the legal users of NULL partition, would still be reported as "SUCCESS". The patch attached here, scares the user about something which he does need to worry about. i.e, returning -EIO on disk I/O errors while reading the partition information. Signed-off-by:
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Mike Miller authored
A pretty simple cleanup for cciss_interrupt_mode. Signed-off-by:
Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
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Mike Miller authored
Add the support for a large number of logical volumes. We will soon have hardware that support up to 1024 logical volumes. Signed-off-by:
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Mike Miller authored
Remove the no longer used revalidate_allvol function. It was replaced by rebuild_lun_table. Signed-off-by:
Jens Axboe <jens.axboe@oracle.com> Signed-off-by:
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Mike Miller authored
Change our open to test for drv->heads like we do in other places in the driver. Mostly for consistency. Signed-off-by:
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Mike Miller authored
Change the blk_queue_max_sectors from 512 to 2048. This helps increase performance. [akpm@osdl.org: s/sector_size/max_sectors/] Signed-off-by:
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Mike Miller authored
Unconditionally disable DMA prefetch on the P600 controller. An ASIC bug may result in prefetching beyond the end of physical memory. Signed-off-by:
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Mike Miller authored
Change the SSID on the E500 as a workaround for a firmware bug. It looks like the original patch was backed out between rc2 and rc4. Signed-off-by:
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Mike Miller authored
Remove #define NR_CMDS and replace it w/hba[i]->nr_cmds. Most Smart Array controllers can support up to 1024 commands but the E200 family can only support 128. To prevent annoying "fifo full" messages we define nr_cmds on a per controller basis by adding it the product table. Signed-off-by:
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Mike Miller authored
Add the support to fire up on any HP RAID class device that has a valid cciss signature. Signed-off-by:
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Mike Miller authored
Change the cciss version number to 3.6.14 to reflect the following functionality changes added by the rest of the set. They include: - Support to fire up on any HP RAID class controller - Increase nr_cmds to 512 for most controllers by adding it to the product table - PCI subsystem ID fix fix was pulled - Disable DMA prefetch for the P600 on IPF platforms - Change from 512 to 2048 sector_size for performance - Fix in cciss_open for consistency - Remove the no longer used revalidate_allvol function - Bug fix for busy configuring - Support for more than 16 logical volumes - Cleanups in cciss_interrupt_mode - Fix for iostats, it's been broken for several kernel releases Signed-off-by:
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Adrian Bunk authored
More fallout of the post 2.6.19-rc1 IRQ changes... CC init/main.o In file included from /home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/rtc.h:102, from /home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/efi.h:19, from /home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/init/main.c:43: /home/bunk/linux/kernel-2.6/linux-2.6.19-rc6-mm2/include/linux/interrupt.h:67: error: conflicting types for 'irq_handler_t' include2/asm/irq.h:49: error: previous declaration of 'irq_handler_t' was here Signed-off-by:Adrian Bunk <bunk@stusta.de> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Signed-off-by:
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Jeff Dike authored
When the UML network driver generates random MACs for its devices, it was possible for a number of UMLs to get the same MACs because the ethernet initialization was done before the random pool was properly seeded. This patch moves the initialization later so that it gets better randomness. Signed-off-by:
Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by:
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