- 01 Oct, 2006 15 commits
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Richard Knutsson authored
Conversion of booleans to: generic-boolean.patch (2006-08-23) Signed-off-by:
Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by:
Anton Altaparmakov <aia21@cantab.net> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Richard Knutsson authored
This patch defines: * a generic boolean-type, named 'bool' * aliases to 0 and 1, named 'false' and 'true' Removing colliding definitions of 'bool', 'false' and 'true'. Signed-off-by:
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Andrew Morton authored
- Add soothing comment - uninline thrice-called function Cc: OGAWA Hirofumi <hogawa@miraclelinux.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by:
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Keith Mannthey authored
The api for hot-add memory already has a construct for finding nodes based on an address, memory_add_physaddr_to_nid. This patch allows the fucntion to do something besides return 0. It uses the nodes_add infomation to lookup to node info for a hot add event. Signed-off-by:
Keith Mannthey <kmannth@us.ibm.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by:
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Keith Mannthey authored
Migate CONFIG_MEMORY_HOTPLUG to CONFIG_MEMORY_HOTPLUG_SPARSE where needed. Signed-off-by:
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Keith Mannthey authored
In cases where the acpi memory-add event does not containe the pxm (node) infomation allow the driver to look up node info based on the address. The acpi_get_node call returns -1 if it can't decode the pxm info, this causes add_memory to panic. acpi_get_node would have to decode the resource from the handle (a lenghty proposition). This seems to be the cleanist point to interject the hook. [kamezawa.hiroyu@jp.fujitsu.com: build fixes] [y-goto@jp.fujitsu.com: build fixes] Signed-off-by:
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by:
Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by:
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Keith Mannthey authored
The api for hot-add memory already has a construct for finding nodes based on an address, memory_add_physaddr_to_nid. This patch allows the fucntion to do something besides return 0. It uses the nodes_add infomation to lookup to node info for a hot add event. Signed-off-by:
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Keith Mannthey authored
Enable x86_64 srat.c to share code between both reserve and sparsemem based add memory paths. Both paths need the hot-add area node locality infomration (nodes_add). This code refactors the code path to allow this. Signed-off-by:
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Keith Mannthey authored
Create Kconfig namespace for MEMORY_HOTPLUG_RESERVE and MEMORY_HOTPLUG_SPARSE. This is needed to create a disticiton between the 2 paths. Selecting the high level opiton of MEMORY_HOTPLUG will get you MEMORY_HOTPLUG_SPARSE if you have sparsemem enabled or MEMORY_HOTPLUG_RESERVE if you are x86_64 with discontig and ACPI numa support. Signed-off-by:
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Keith Mannthey authored
Fix up externs in memory_hotplug.c. Cleanup. Signed-off-by:
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Alan Cox authored
This fixes two things Firstly someone mistakenly used "errata" for the singular. This causes Dave Woodhouse to emit diagnostics whenever the string is read, and so should be fixed. Secondly the AMD AGP tunnel has an erratum which causes hangs if you try and do direct PCI to AGP transfers in some cases. We have a flag for PCI/PCI failures but we need a different flag for this really as in this case we don't want to stop PCI/PCI transfers using things like IOAT and the new RAID offload work. I'll post some updates to make proper use of the PCIAGP flag in the media/video drivers to Mauro. Signed-off-by:
Alan Cox <alan@redhat.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by:
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Gavin Lambert authored
Don't try and give NULL to fput() in the error handling in do_mmap_pgoff() as it'll cause an oops. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Andrew Morton authored
These two BUG_ON()s are redundant and undesired: we're checking for this condition further on in the function, only better. Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by:
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Jeff Garzik authored
The ->flags in struct request was split into two variables, in a recent changeset. The merge of this change forgot to update SCSI's libsas, probably because libsas was a very recent merge. Signed-off-by:
Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Andrew Morton authored
device_reprobe() should return an error code. When it does so, scsi_device_reprobe() should propagate it back. Acked-by:
James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by:
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- 30 Sep, 2006 25 commits
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git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds authored
* 'block' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] Only enable CONFIG_BLOCK option for embedded
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Jens Axboe authored
It's too easy for people to shoot themselves in the foot, and it only makes sense for embedded folks anyway. Signed-off-by:Jens Axboe <axboe@kernel.dk>
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git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds authored
* 'block' of git://brick.kernel.dk/data/git/linux-2.6-block: (67 commits) [PATCH] blk_queue_start_tag() shared map race fix [PATCH] Update axboe@suse.de email address [PATCH] fix creating zero sized bio mempools in low memory system [PATCH] CONFIG_BLOCK: blk_congestion_wait() fix [PATCH] CONFIG_BLOCK internal.h cleanups [PATCH] BLOCK: Make USB storage depend on SCSI rather than selecting it [try #6] [PATCH] BLOCK: Make it possible to disable the block layer [try #6] [PATCH] BLOCK: Remove no-longer necessary linux/buffer_head.h inclusions [try #6] [PATCH] BLOCK: Remove no-longer necessary linux/mpage.h inclusions [try #6] [PATCH] BLOCK: Move the msdos device ioctl compat stuff to the msdos driver [try #6] [PATCH] BLOCK: Move the Ext3 device ioctl compat stuff to the Ext3 driver [try #6] [PATCH] BLOCK: Move the Ext2 device ioctl compat stuff to the Ext2 driver [try #6] [PATCH] BLOCK: Move the ReiserFS device ioctl compat stuff to the ReiserFS driver [try #6] [PATCH] BLOCK: Move common FS-specific ioctls to linux/fs.h [try #6] [PATCH] BLOCK: Move the loop device ioctl compat stuff to the loop driver [try #6] [PATCH] BLOCK: Move __invalidate_device() to block_dev.c [try #6] [PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6] [PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6] [PATCH] BLOCK: Move extern declarations out of fs/*.c into header files [try #6] [PATCH] BLOCK: Don't call block_sync_page() from AFS [try #6] ...
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Jens Axboe authored
If we share the tag map between two or more queues, then we cannot use __set_bit() to set the bit. In fact we need to make sure we atomically acquire this tag, so loop using test_and_set_bit() to protect from that. Noticed by Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: -
Jens Axboe authored
As people often look for the copyright in files to see who to mail, update the link to a neutral one. Signed-off-by: -
Milan Broz authored
In the very low memory systems is in the init_bio call scale parameter set to zero and it leads to creating zero sized mempool. This patch prevents pool_entries parameter become zero, so the created pool have at least 1 entry. Mempool with 0 entries lead to incorrect behaviour of mempool_free. (Alloc requests are not waken up and system stalls in mempool_alloc->ioschedule). Signed-off-by:
Milan Broz <mbroz@redhat.com> Signed-off-by:
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Andrew Morton authored
Don't just do nothing: it'll cause busywaits all over writeback and page reclaim. For now, take a fixed-length nap. Will improve when NFS starts waking up throttled processes. Signed-off-by:
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Andrew Morton authored
- forward declare struct superblock - use inlines, not macros Signed-off-by:
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David Howells authored
This makes CONFIG_USB_STORAGE depend on CONFIG_SCSI rather than selecting it, as selecting it makes CONFIG_USB_STORAGE override the dependencies of SCSI, causing it to turn on even if they aren't all met. Signed-Off-By:
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David Howells authored
Make it possible to disable the block layer. Not all embedded devices require it, some can make do with just JFFS2, NFS, ramfs, etc - none of which require the block layer to be present. This patch does the following: (*) Introduces CONFIG_BLOCK to disable the block layer, buffering and blockdev support. (*) Adds dependencies on CONFIG_BLOCK to any configuration item that controls an item that uses the block layer. This includes: (*) Block I/O tracing. (*) Disk partition code. (*) All filesystems that are block based, eg: Ext3, ReiserFS, ISOFS. (*) The SCSI layer. As far as I can tell, even SCSI chardevs use the block layer to do scheduling. Some drivers that use SCSI facilities - such as USB storage - end up disabled indirectly from this. (*) Various block-based device drivers, such as IDE and the old CDROM drivers. (*) MTD blockdev handling and FTL. (*) JFFS - which uses set_bdev_super(), something it could avoid doing by taking a leaf out of JFFS2's book. (*) Makes most of the contents of linux/blkdev.h, linux/buffer_head.h and linux/elevator.h contingent on CONFIG_BLOCK being set. sector_div() is, however, still used in places, and so is still available. (*) Also made contingent are the contents of linux/mpage.h, linux/genhd.h and parts of linux/fs.h. (*) Makes a number of files in fs/ contingent on CONFIG_BLOCK. (*) Makes mm/bounce.c (bounce buffering) contingent on CONFIG_BLOCK. (*) set_page_dirty() doesn't call __set_page_dirty_buffers() if CONFIG_BLOCK is not enabled. (*) fs/no-block.c is created to hold out-of-line stubs and things that are required when CONFIG_BLOCK is not set: (*) Default blockdev file operations (to give error ENODEV on opening). (*) Makes some /proc changes: (*) /proc/devices does not list any blockdevs. (*) /proc/diskstats and /proc/partitions are contingent on CONFIG_BLOCK. (*) Makes some compat ioctl handling contingent on CONFIG_BLOCK. (*) If CONFIG_BLOCK is not defined, makes sys_quotactl() return -ENODEV if given command other than Q_SYNC or if a special device is specified. (*) In init/do_mounts.c, no reference is made to the blockdev routines if CONFIG_BLOCK is not defined. This does not prohibit NFS roots or JFFS2. (*) The bdflush, ioprio_set and ioprio_get syscalls can now be absent (return error ENOSYS by way of cond_syscall if so). (*) The seclvl_bd_claim() and seclvl_bd_release() security calls do nothing if CONFIG_BLOCK is not set, since they can't then happen. Signed-Off-By: -
David Howells authored
Remove inclusions of linux/buffer_head.h that are no longer necessary due to the transfer of a number of things out of there. Signed-Off-By:
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David Howells authored
Remove inclusions of linux/mpage.h that are no longer necessary due to the transfer of generic_writepages(). Signed-Off-By:
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David Howells authored
Move the msdos device ioctl compat stuff from fs/compat_ioctl.c to the msdos driver so that the msdos header file doesn't need to be included. Signed-Off-By:
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David Howells authored
Move the Ext3 device ioctl compat stuff from fs/compat_ioctl.c to the Ext3 driver so that the Ext3 header file doesn't need to be included. Signed-Off-By:
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David Howells authored
Move the Ext2 device ioctl compat stuff from fs/compat_ioctl.c to the Ext2 driver so that the Ext2 header file doesn't need to be included. Signed-Off-By:
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David Howells authored
Move the ReiserFS device ioctl compat stuff from fs/compat_ioctl.c to the ReiserFS driver so that the ReiserFS header file doesn't need to be included. Signed-Off-By:
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David Howells authored
Move common FS-specific ioctls from linux/ext2_fs.h to linux/fs.h as FS_IOC_* and FS_IOC32_* and have the users of them use those as a base. Also move the GETFLAGS/SETFLAGS flags to linux/fs.h as FS_*_FL macros, and then have the other users use them as a base. Signed-Off-By:
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David Howells authored
Move the loop device ioctl compat stuff from fs/compat_ioctl.c to the loop driver so that the loop header file doesn't need to be included. Signed-Off-By:
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David Howells authored
Move __invalidate_device() from fs/inode.c to fs/block_dev.c so that it can more easily be disabled when the block layer is disabled. Signed-Off-By:
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David Howells authored
Dissociate the generic_writepages() function from the mpage stuff, moving its declaration to linux/mm.h and actually emitting a full implementation into mm/page-writeback.c. The implementation is a partial duplicate of mpage_writepages() with all BIO references removed. It is used by NFS to do writeback. Signed-Off-By:
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David Howells authored
Move blockdev_superblock extern declaration from fs/fs-writeback.c to a headerfile and remove the dependence on it by wrapping it in a macro. Signed-Off-By:
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David Howells authored
Create a new header file, fs/internal.h, for common definitions local to the sources in the fs/ directory. Move extern definitions that should be in header files from fs/*.c to fs/internal.h or other main header files where they span directories. Signed-Off-By:
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David Howells authored
The AFS filesystem no longer needs to override its sync_page() op. Signed-Off-By:
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David Howells authored
Move the bounce buffer code from mm/highmem.c to mm/bounce.c so that it can be more easily disabled when the block layer is disabled. !!!NOTE!!! There may be a bug in this code: Should init_emergency_pool() be contingent on CONFIG_HIGHMEM? Signed-Off-By:
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David Howells authored
Stop fallback_migrate_page() from using page_has_buffers() since that might not be available. Use PagePrivate() instead since that's more general. Signed-Off-By:
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