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authorJohannes Thumshirn <jthumshirn@suse.de>2017-06-07 12:45:28 +0300
committerChristoph Hellwig <hch@lst.de>2017-06-15 15:30:14 +0300
commit0945e56994ac855d01c4aecf69bded65c751b894 (patch)
tree4eb91a5f067aa28a6cbb0056e56d7a5e0f9ed351 /include
parentd19d4c8eb1c08f5292a5a5619098e498166055c2 (diff)
downloadlinux-0945e56994ac855d01c4aecf69bded65c751b894.tar.xz
scatterlist: add sg_zero_buffer() helper
The sg_zero_buffer() helper is used to zero fill an area in a SG list. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> [hch: renamed to sg_zero_buffer] Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/scatterlist.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index cb3c8fe6acd7..4b3286ac60c8 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -278,6 +278,8 @@ size_t sg_pcopy_from_buffer(struct scatterlist *sgl, unsigned int nents,
const void *buf, size_t buflen, off_t skip);
size_t sg_pcopy_to_buffer(struct scatterlist *sgl, unsigned int nents,
void *buf, size_t buflen, off_t skip);
+size_t sg_zero_buffer(struct scatterlist *sgl, unsigned int nents,
+ size_t buflen, off_t skip);
/*
* Maximum number of entries that will be allocated in one piece, if