- 04 12月, 2009 2 次提交
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由 Vivek Goyal 提交于
o Some debugging aids for CFQ. Signed-off-by: NVivek Goyal <vgoyal@redhat.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Vivek Goyal 提交于
o This is basic implementation of blkio controller cgroup interface. This is the common interface visible to user space and should be used by different IO control policies as we implement those. Signed-off-by: NVivek Goyal <vgoyal@redhat.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 05 8月, 2009 1 次提交
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由 John Stoffel 提交于
Make SCSI SG v4 driver enabled by default and remove EXPERIMENTAL dependency, since udev depends on BSG Make Block Layer SG support v4 the default, since recent udev versions depend on this to access serial numbers and other low level info properly. This should be backported to older kernels as well, since most distros have enabled this for a long time. Signed-off-by: NJohn Stoffel <john@stoffel.org> Cc: stable@kernel.org Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 19 6月, 2009 1 次提交
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Follow-up to "block: enable by default support for large devices and files on 32-bit archs". Rename CONFIG_LBD to CONFIG_LBDAF to: - allow update of existing [def]configs for "default y" change - reflect that it is used also for large files support nowadays Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 28 4月, 2009 1 次提交
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Enable by default support for large devices and files (CONFIG_LBD): - With 1TB disks being a commodity hardware it is quite easy to hit 2TB limitation while building RAIDs etc. and many distros have been using CONFIG_LBD=y by default already (at least Fedora 10 and openSUSE 11.1). - This should also prevent a subtle ext4 filesystem compatibility issue: mke2fs.ext4 defaults to creating filesystems with huge_files feature enabled and such filesystems cannot be later mounted read-write on machines with CONFIG_LBD=n (it should be quite easy to hit this issue when trying to use filesystem created using distro kernel on system running the self-build kernel, think about USB disk enclosures & co.). While at it: - Clarify config option help text w.r.t. mounting ext4 filesystems (they can be mounted with CONFIG_LBD=n but in the read-only mode). Cc: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 09 2月, 2009 1 次提交
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由 Frederic Weisbecker 提交于
Impact: cleanup Move blktrace.c to kernel/trace, also move its config entry. Signed-off-by: NFrederic Weisbecker <fweisbec@gmail.com> Acked-by: NArnaldo Carvalho de Melo <acme@redhat.com> Acked-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 27 1月, 2009 1 次提交
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由 Arnaldo Carvalho de Melo 提交于
Impact: build fix Also mention in the help text that blktrace now can be used using the ftrace interface. Reported-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 07 1月, 2009 1 次提交
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由 Theodore Ts'o 提交于
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu> Cc: Jens Axboe <jens.axboe@oracle.com>
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- 29 12月, 2008 1 次提交
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由 Jens Axboe 提交于
We have two seperate config entries for large devices/files. One is CONFIG_LBD that guards just the devices, the other is CONFIG_LSF that handles large files. This doesn't make a lot of sense, you typically want both or none. So get rid of CONFIG_LSF and change CONFIG_LBD wording to indicate that it covers both. Acked-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 26 11月, 2008 1 次提交
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由 Arnaldo Carvalho de Melo 提交于
This was a forward port of work done by Mathieu Desnoyers, I changed it to encode the 'what' parameter on the tracepoint name, so that one can register interest in specific events and not on classes of events to then check the 'what' parameter. Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 03 7月, 2008 1 次提交
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由 Martin K. Petersen 提交于
Some block devices support verifying the integrity of requests by way of checksums or other protection information that is submitted along with the I/O. This patch implements support for generating and verifying integrity metadata, as well as correctly merging, splitting and cloning bios and requests that have this extra information attached. See Documentation/block/data-integrity.txt for more information. Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 21 4月, 2008 1 次提交
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由 Nick Andrew 提交于
Modify the help descriptions of block/Kconfig for clarity, accuracy and consistency. Refactor the BLOCK description a bit. The wording "This permits ... to be removed" isn't quite right; the block layer is removed when the option is disabled, whereas most descriptions talk about what happens when the option is enabled. Reformat the list of what is affected by disabling the block layer. Add more examples of large block devices to LBD and strive for technical accuracy; block devices of size _exactly_ 2TB require CONFIG_LBD, not only "bigger than 2TB". Also try to say (perhaps not very clearly) that the config option is only needed when you want to have individual block devices of size >= 2TB, for example if you had 3 x 1TB disks in your computer you'd have a total storage size of 3TB but you wouldn't need the option unless you want to aggregate those disks into a RAID or LVM. Improve terminology and grammar on BLK_DEV_IO_TRACE. I also added the boilerplate "If unsure, say N" to most options. Precisely say "2TB and larger" for LSF. Indent the help text for BLK_DEV_BSG by 2 spaces in accordance with the standard. Signed-off-by: NNick Andrew <nick@nick-andrew.net> Cc: "Randy.Dunlap" <rdunlap@xenotime.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 15 4月, 2008 1 次提交
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 13 10月, 2007 1 次提交
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由 Linus Torvalds 提交于
IOW, it needs to depend on both CONFIG_BLOCK and CONFIG_COMPAT. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 12 10月, 2007 1 次提交
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由 Jens Axboe 提交于
Add an extra CONFIG_BLOCK_COMPAT that we can use in the Makefile Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 28 7月, 2007 1 次提交
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由 Paul Mundt 提交于
BLK_DEV_BSG was added outside of the if BLOCK check, which allows it to be enabled when CONFIG_BLOCK=n. This leads to many screenlengths of errors, starting with a parse error on the request_queue_t definition. Obviously this wasn't intended for CONFIG_BLOCK=n usage, so just move the option back in to the block. Caught with a randconfig on sh. Signed-off-by: NPaul Mundt <lethal@linux-sh.org> Acked-by: NJens Axboe <jens.axboe@oracle.com> Acked-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 27 7月, 2007 1 次提交
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由 Paul Mundt 提交于
BLK_DEV_BSG was added outside of the if BLOCK check, which allows it to be enabled when CONFIG_BLOCK=n. This leads to many screenlengths of errors, starting with a parse error on the request_queue_t definition. Obviously this wasn't intended for CONFIG_BLOCK=n usage, so just move the option back in to the block. Caught with a randconfig on sh. Signed-off-by: NPaul Mundt <lethal@linux-sh.org> -- block/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 20 7月, 2007 1 次提交
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由 James Bottomley 提交于
This patch moves the bsg registration into SCSI so that bsg no longer has a dependency on the scsi_interface_register API. This can be viewed as a temporary expedient until we can get universal bsg binding sorted out properly. Also use the sdev bus_id as the generic bsg name (to avoid clashes with the queue name). Acked-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 17 7月, 2007 2 次提交
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由 FUJITA Tomonori 提交于
- add the detailed explanation. - remove 'default y'. - make 'EXPERIMENTAL' keyword visible to the user in menu. Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Linus Torvalds 提交于
The SCSI code can be compiled modular, but BLK_DEV_BSG currently cannot, and depends on the SCSI layer. So make sure that it depends on the SCSI layer being compiled in, not just available as a module. Noticed by Jeff Garzik and S.Çağlar Onur. Cc: Jeff Garzik <jeff@garzik.org> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: S.Çağlar Onur <caglar@pardus.org.tr> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 16 7月, 2007 2 次提交
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由 FUJITA Tomonori 提交于
This updates bsg entry in Kconfig: - bsg supports sg v4 - bsg depends on SCSI - it might be better to mark it experimental for a while Signed-off-by: NFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 10 7月, 2007 1 次提交
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由 Jan Engelhardt 提交于
instead of going through all options. Signed-off-by: NJan Engelhardt <jengelh@gmx.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 05 12月, 2006 1 次提交
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由 Matthew Wilcox 提交于
CONFIG_LBD and CONFIG_LSF are spread into asm/types.h for no particularly good reason. Centralising the definition in linux/types.h means that arch maintainers don't need to bother adding it, as well as fixing the problem with x86-64 users being asked to make a decision that has absolutely no effect. The H8/300 porters seem particularly confused since I'm not aware of any microcontrollers that need to support 2TB filesystems. Signed-off-by: NMatthew Wilcox <matthew@wil.cx> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 01 10月, 2006 2 次提交
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由 Jens Axboe 提交于
It's too easy for people to shoot themselves in the foot, and it only makes sense for embedded folks anyway. Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 David Howells 提交于
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: NDavid Howells <dhowells@redhat.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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- 01 4月, 2006 1 次提交
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由 Trond Myklebust 提交于
The help text says that if you select CONFIG_LBD, then it will automatically select CONFIG_LFS. That isn't currently the case, so update the text. - Get rid of the cruft in the help text mentioning CONFIG_LBD - Tell unsure users to select CONFIG_LFS. - Remove the `default n'. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 3月, 2006 2 次提交
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由 Jens Axboe 提交于
debugfs depends on sysfs, so make blktrace kconfig option depend on that. Reported by Adrian Bunk. Signed-off-by: NJens Axboe <axboe@suse.de>
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由 Takashi Sato 提交于
Add blkcnt_t as the type of inode.i_blocks. This enables you to make the size of blkcnt_t either 4 bytes or 8 bytes on 32 bits architecture with CONFIG_LSF. - CONFIG_LSF Add new configuration parameter. - blkcnt_t On h8300, i386, mips, powerpc, s390 and sh that define sector_t, blkcnt_t is defined as u64 if CONFIG_LSF is enabled; otherwise it is defined as unsigned long. On other architectures, it is defined as unsigned long. - inode.i_blocks Change the type from sector_t to blkcnt_t. Signed-off-by: NTakashi Sato <sho@tnes.nec.co.jp> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 24 3月, 2006 1 次提交
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <axboe@suse.de>
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- 07 1月, 2006 1 次提交
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由 Martin Schwidefsky 提交于
Sanitize some s390 Kconfig options. We have ARCH_S390, ARCH_S390X, ARCH_S390_31, 64BIT, S390_SUPPORT and COMPAT. Replace these 6 options by S390, 64BIT and COMPAT. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 04 11月, 2005 1 次提交
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由 Jens Axboe 提交于
drivers/block/ is right now a mix of core and driver parts. Lets move the core parts to a new top level directory. Al will move the fs/ related block parts to block/ next. Signed-off-by: NJens Axboe <axboe@suse.de>
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