diff options
| author | Jan Kara <jack@suse.cz> | 2017-11-16 04:34:58 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-16 05:21:04 +0300 |
| commit | d2bc5b3c67a9cce28616fd90e1651b9c9246fae8 (patch) | |
| tree | 8f65f4083058c8d2313f2ea3eea00064d5625232 /fs/gfs2 | |
| parent | 8faab64229a5d5f5ab624cbe5d5286d5b74c76cd (diff) | |
| download | linux-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.c | 20 |
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; |