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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 16:35:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-03 16:35:11 -0700 |
| commit | 708e16892e1646594a29eaa7ac7b209b600b9fd2 (patch) | |
| tree | fe7c31bc0edef84eb1075c7e195340047d6aaa17 /Documentation/block/barrier.txt | |
| parent | f3c87a8999c28f2948ebd407574f7e9fb5c577b2 (diff) | |
| parent | a847825970e741e20a09c659978baa34016b63bc (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (39 commits)
Add missing maintainer countries in CREDITS
Fix bytes <-> kilobytes typo in Kconfig for ramdisk
fix a typo in Documentation/pi-futex.txt
BUG_ON conversion for fs/xfs/
BUG_ON() conversion in fs/nfsd/
BUG_ON conversion for fs/reiserfs
BUG_ON cleanups in arch/i386
BUG_ON cleanup in drivers/net/tokenring/
BUG_ON cleanup for drivers/md/
kerneldoc-typo in led-class.c
debugfs: spelling fix
rcutorture: Fix incorrect description of default for nreaders parameter
parport: Remove space in function calls
Michal Wronski: update contact info
Spelling fix: "control" instead of "cotrol"
reboot parameter in Documentation/kernel-parameters.txt
Fix copy&waste bug in comment in scripts/kernel-doc
remove duplicate "until" from kernel/workqueue.c
ite_gpio fix tabbage
fix file specification in comments
...
Fixed trivial path conflicts due to removed files:
arch/mips/dec/boot/decstation.c, drivers/char/ite_gpio.c
Diffstat (limited to 'Documentation/block/barrier.txt')
| -rw-r--r-- | Documentation/block/barrier.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/block/barrier.txt b/Documentation/block/barrier.txt index 03971518b22..a272c3db809 100644 --- a/Documentation/block/barrier.txt +++ b/Documentation/block/barrier.txt @@ -25,7 +25,7 @@ of the following three ways. i. For devices which have queue depth greater than 1 (TCQ devices) and support ordered tags, block layer can just issue the barrier as an ordered request and the lower level driver, controller and drive -itself are responsible for making sure that the ordering contraint is +itself are responsible for making sure that the ordering constraint is met. Most modern SCSI controllers/drives should support this. NOTE: SCSI ordered tag isn't currently used due to limitation in the @@ -42,7 +42,7 @@ iii. Devices which have queue depth of 1. This is a degenerate case of ii. Just keeping issue order suffices. Ancient SCSI controllers/drives and IDE drives are in this category. -2. Forced flushing to physcial medium +2. Forced flushing to physical medium Again, if you're not gonna do synchronization with disk drives (dang, it sounds even more appealing now!), the reason you use I/O barriers @@ -56,7 +56,7 @@ There are four cases, i. No write-back cache. Keeping requests ordered is enough. ii. Write-back cache but no flush operation. There's no way to -gurantee physical-medium commit order. This kind of devices can't to +guarantee physical-medium commit order. This kind of devices can't to I/O barriers. iii. Write-back cache and flush operation but no FUA (forced unit |