diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-03-13 13:14:53 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-03-21 17:33:38 +0800 |
| commit | fc8d5bba61ad8087af9a56337a7a297af6b46129 (patch) | |
| tree | b852cbb3515688dad24ae2ee6582546414480560 /include/linux | |
| parent | f3bda3b9b69cb193968ba781446ff18c734f0276 (diff) | |
lib/scatterlist: Add SG_MITER_LOCAL and use it
Add kmap_local support to the scatterlist iterator. Use it for
all the helper functions in lib/scatterlist.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/scatterlist.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index d836e7440ee8..138e2f1bd08f 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -671,6 +671,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter) #define SG_MITER_ATOMIC (1 << 0) /* use kmap_atomic */ #define SG_MITER_TO_SG (1 << 1) /* flush back to phys on unmap */ #define SG_MITER_FROM_SG (1 << 2) /* nop */ +#define SG_MITER_LOCAL (1 << 3) /* use kmap_local */ struct sg_mapping_iter { /* the following three fields can be accessed directly */ |