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| author | Dan Williams <dan.j.williams@intel.com> | 2007-07-09 11:56:42 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2007-07-13 08:06:14 -0700 |
| commit | 685784aaf3cd0e3ff5e36c7ecf6f441cdbf57f73 (patch) | |
| tree | 10f99829f7d877b87614fe69be77e363c026a8d7 /drivers/md/Kconfig | |
| parent | d379b01e9087a582d58f4b678208a4f8d8376fe7 (diff) | |
| download | op-kernel-dev-685784aaf3cd0e3ff5e36c7ecf6f441cdbf57f73.zip op-kernel-dev-685784aaf3cd0e3ff5e36c7ecf6f441cdbf57f73.tar.gz | |
xor: make 'xor_blocks' a library routine for use with async_tx
The async_tx api tries to use a dma engine for an operation, but will fall
back to an optimized software routine otherwise. Xor support is
implemented using the raid5 xor routines. For organizational purposes this
routine is moved to a common area.
The following fixes are also made:
* rename xor_block => xor_blocks, suggested by Adrian Bunk
* ensure that xor.o initializes before md.o in the built-in case
* checkpatch.pl fixes
* mark calibrate_xor_blocks __init, Adrian Bunk
Cc: Adrian Bunk <bunk@stusta.de>
Cc: NeilBrown <neilb@suse.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 7df934d..24d93d0 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -109,6 +109,7 @@ config MD_RAID10 config MD_RAID456 tristate "RAID-4/RAID-5/RAID-6 mode" depends on BLK_DEV_MD + select XOR_BLOCKS ---help--- A RAID-5 set of N drives with a capacity of C MB per drive provides the capacity of C * (N - 1) MB, and protects against a failure |
