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authorMaxim Patlasov <mpatlasov@parallels.com>2012-10-26 19:50:04 +0400
committerMiklos Szeredi <mszeredi@suse.cz>2013-01-24 16:21:27 +0100
commitd28574e043e8b7cb35482de6e9a553118a32803d (patch)
tree6233897744a2d5de8ff98e51e4f12dad933355b0
parent85f40aec887110ae6bbefa87988def4606a3d583 (diff)
downloadop-kernel-dev-d28574e043e8b7cb35482de6e9a553118a32803d.zip
op-kernel-dev-d28574e043e8b7cb35482de6e9a553118a32803d.tar.gz
mm: minor cleanup of iov_iter_single_seg_count()
The function does not modify iov_iter which 'i' points to. Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
-rw-r--r--include/linux/fs.h2
-rw-r--r--mm/filemap.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7617ee0..7d2e893 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -301,7 +301,7 @@ size_t iov_iter_copy_from_user(struct page *page,
struct iov_iter *i, unsigned long offset, size_t bytes);
void iov_iter_advance(struct iov_iter *i, size_t bytes);
int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes);
-size_t iov_iter_single_seg_count(struct iov_iter *i);
+size_t iov_iter_single_seg_count(const struct iov_iter *i);
static inline void iov_iter_init(struct iov_iter *i,
const struct iovec *iov, unsigned long nr_segs,
diff --git a/mm/filemap.c b/mm/filemap.c
index 83efee7..24a7ea5 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2056,7 +2056,7 @@ EXPORT_SYMBOL(iov_iter_fault_in_readable);
/*
* Return the count of just the current iov_iter segment.
*/
-size_t iov_iter_single_seg_count(struct iov_iter *i)
+size_t iov_iter_single_seg_count(const struct iov_iter *i)
{
const struct iovec *iov = i->iov;
if (i->nr_segs == 1)
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