diff options
| -rw-r--r-- | mm/truncate.c | 12 |
1 files 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) |