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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 20:01:06 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-22 21:20:03 +0200 |
| commit | d6ec084200c37683278c821338f74ddf21ab80f5 (patch) | |
| tree | 931a112061e3a861768384b8b6ea20fdd35bd41b /include/asm-x86/scatterlist_32.h | |
| parent | 18dabf473e15850c0dbc8ff13ac1e2806d542c15 (diff) | |
| download | lwn-d6ec084200c37683278c821338f74ddf21ab80f5.tar.gz lwn-d6ec084200c37683278c821338f74ddf21ab80f5.zip | |
Add CONFIG_DEBUG_SG sg validation
Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/asm-x86/scatterlist_32.h')
| -rw-r--r-- | include/asm-x86/scatterlist_32.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/scatterlist_32.h b/include/asm-x86/scatterlist_32.h index 140a5b37fa77..0e7d997a34be 100644 --- a/include/asm-x86/scatterlist_32.h +++ b/include/asm-x86/scatterlist_32.h @@ -4,6 +4,9 @@ #include <asm/types.h> struct scatterlist { +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif unsigned long page_link; unsigned int offset; dma_addr_t dma_address; |