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authorJan Kara <jack@suse.cz>2017-11-16 04:34:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-16 05:21:04 +0300
commitd2bc5b3c67a9cce28616fd90e1651b9c9246fae8 (patch)
tree8f65f4083058c8d2313f2ea3eea00064d5625232 /fs/gfs2
parent8faab64229a5d5f5ab624cbe5d5286d5b74c76cd (diff)
downloadlinux-d2bc5b3c67a9cce28616fd90e1651b9c9246fae8.tar.xz
gfs2: use pagevec_lookup_range_tag()
We want only pages from given range in gfs2_write_cache_jdata(). Use pagevec_lookup_range_tag() instead of pagevec_lookup_tag() and remove unnecessary code. Link: http://lkml.kernel.org/r/20171009151359.31984-9-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Cc: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/aops.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 68ed06962537..d0848d9623fb 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -280,22 +280,6 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping,
for(i = 0; i < nr_pages; i++) {
struct page *page = pvec->pages[i];
- /*
- * At this point, the page may be truncated or
- * invalidated (changing page->mapping to NULL), or
- * even swizzled back from swapper_space to tmpfs file
- * mapping. However, page->index will not change
- * because we have a reference on the page.
- */
- if (page->index > end) {
- /*
- * can't be range_cyclic (1st pass) because
- * end == -1 in that case.
- */
- ret = 1;
- break;
- }
-
*done_index = page->index;
lock_page(page);
@@ -413,8 +397,8 @@ retry:
tag_pages_for_writeback(mapping, index, end);
done_index = index;
while (!done && (index <= end)) {
- nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag,
- min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1);
+ nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end,
+ tag, PAGEVEC_SIZE);
if (nr_pages == 0)
break;