From 649c6dfed0302620a191ca91196d923463cfa766 Mon Sep 17 00:00:00 2001 From: Alex Shi Date: Mon, 14 Dec 2020 19:04:59 -0800 Subject: [PATCH] mm/truncate: add parameter explanation for invalidate_mapping_pagevec To fix a kernel-doc markups issue: mm/truncate.c:646: warning: Function parameter or member 'mapping' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'start' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'end' not described in 'invalidate_mapping_pagevec' mm/truncate.c:646: warning: Function parameter or member 'nr_pagevec' not described in 'invalidate_mapping_pagevec' Link: https://lkml.kernel.org/r/1605605088-30668-1-git-send-email-alex.shi@linux.alibaba.com Signed-off-by: Alex Shi Cc: Jonathan Corbet Cc: Randy Dunlap Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/truncate.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/mm/truncate.c b/mm/truncate.c index 960edf5803ca..c196fad0bb5d 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -637,9 +637,15 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping, EXPORT_SYMBOL(invalidate_mapping_pages); /** - * This helper is similar with the above one, except that it accounts for pages - * that are likely on a pagevec and count them in @nr_pagevec, which will used by - * the caller. + * invalidate_mapping_pagevec - Invalidate all the unlocked pages of one inode + * @mapping: the address_space which holds the pages to invalidate + * @start: the offset 'from' which to invalidate + * @end: the offset 'to' which to invalidate (inclusive) + * @nr_pagevec: invalidate failed page number for caller + * + * This helper is similar with invalidate_mapping_pages, except that it accounts + * for pages that failed to invalidate on a pagevec and count them in + * @nr_pagevec, which will used by the caller. */ void invalidate_mapping_pagevec(struct address_space *mapping, pgoff_t start, pgoff_t end, unsigned long *nr_pagevec)