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Commit d28574e0 authored by Maxim Patlasov's avatar Maxim Patlasov Committed by Miklos Szeredi
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mm: minor cleanup of iov_iter_single_seg_count() 



The function does not modify iov_iter which 'i' points to.

Signed-off-by: default avatarMaxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 85f40aec

include/linux/fs.h

+1 −1
Original line number Diff line number Diff line
@@ -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,

mm/filemap.c

+1 −1
Original line number Diff line number Diff line
@@ -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)