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 <alex.shi@linux.alibaba.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alex Shi 2020-12-14 19:04:59 -08:00 committed by Linus Torvalds
parent 06c0444290
commit 649c6dfed0

View File

@ -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)