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authorJan Kara <jack@suse.cz>2017-11-15 17:34:55 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:04 -0800
commit8faab64229a5d5f5ab624cbe5d5286d5b74c76cd (patch)
tree82b121b6ba9bad096d1c0636d292ea0c0aa5b9b7 /fs/f2fs
parent028a63a6e381d7d109e19db4740085d1b655c539 (diff)
downloadlinux-8faab64229a5d5f5ab624cbe5d5286d5b74c76cd.tar.bz2
f2fs: use find_get_pages_tag() for looking up single page
__get_first_dirty_index() wants to lookup only the first dirty page after given index. There's no point in using pagevec_lookup_tag() for that. Just use find_get_pages_tag() directly. Link: http://lkml.kernel.org/r/20171009151359.31984-8-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Chao Yu <yuchao0@huawei.com> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/file.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 517e112c8a9a..f78b76ec4707 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -313,18 +313,19 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
static pgoff_t __get_first_dirty_index(struct address_space *mapping,
pgoff_t pgofs, int whence)
{
- struct pagevec pvec;
+ struct page *page;
int nr_pages;
if (whence != SEEK_DATA)
return 0;
/* find first dirty page index */
- pagevec_init(&pvec, 0);
- nr_pages = pagevec_lookup_tag(&pvec, mapping, &pgofs,
- PAGECACHE_TAG_DIRTY, 1);
- pgofs = nr_pages ? pvec.pages[0]->index : ULONG_MAX;
- pagevec_release(&pvec);
+ nr_pages = find_get_pages_tag(mapping, &pgofs, PAGECACHE_TAG_DIRTY,
+ 1, &page);
+ if (!nr_pages)
+ return ULONG_MAX;
+ pgofs = page->index;
+ put_page(page);
return pgofs;
}