diff options
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 2158377a135..bb72359d8dc 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -165,6 +165,19 @@ config MULTICORE_RAID456 If unsure, say N. +config MD_RAID_SKIP_BIO_COPY + bool "Skip intermediate bio->cache copy" + depends on MD_RAID456 + default n + ---help--- + Skip intermediate data copying between the bio requested to write and + the disk cache in <sh> if the full-stripe write operation is on the + way. This might improve the performance of write operations in some + dedicated cases but generally eliminating disk cache slows the + performance down. + + If unsure, say N. + config MD_RAID6_PQ tristate |