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mm: make pagevec_lookup() update index

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Make pagevec_lookup() (and underlying find_get_pages()) update index to
the next page where iteration should continue.  Most callers want this
and also pagevec_lookup_tag() already does this.

Link: http://lkml.kernel.org/r/20170726114704.7626-3-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara
2017-09-06 16:21:18 -07:00
committed by Linus Torvalds
parent 26b433d0da
commit d72dc8a25a
11 changed files with 32 additions and 37 deletions
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2
include/linux/pagevec.h
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@@ -28,7 +28,7 @@ unsigned pagevec_lookup_entries(struct pagevec *pvec,
pgoff_t *indices);
void pagevec_remove_exceptionals(struct pagevec *pvec);
unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
pgoff_t start, unsigned nr_pages);
pgoff_t *start, unsigned nr_pages);
unsigned pagevec_lookup_tag(struct pagevec *pvec,
struct address_space *mapping, pgoff_t *index, int tag,
unsigned nr_pages);