f2fs: Fix not used variable 'index'

Fix the following compilation warning: fs/f2fs/data.c:2391:10: warning: variable ‘index’ set but not used [-Wunused-but-set-variable] 2391 | pgoff_t index; Only define and set the variable index when the CONFIG_F2FS_FS_COMPRESSION is enabled. Fixes: db92e6c ("f2fs: convert f2fs_mpage_readpages() to use folio") Signed-off-by: Zeng Heng <[email protected]> Reviewed-by: Chao Yu <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]>
jaegeuk · Oct 28, 2024 · 665e78a · 665e78a
1 parent af4c5ca
commit 665e78a
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
@@ -2385,10 +2385,10 @@ static int f2fs_mpage_readpages(struct inode *inode,
 		.nr_cpages = 0,
 	};
 	pgoff_t nc_cluster_idx = NULL_CLUSTER;
+	pgoff_t index;
 #endif
 	unsigned nr_pages = rac ? readahead_count(rac) : 1;
 	unsigned max_nr_pages = nr_pages;
-	pgoff_t index;
 	int ret = 0;
 
 	map.m_pblk = 0;
@@ -2406,9 +2406,9 @@ static int f2fs_mpage_readpages(struct inode *inode,
 			prefetchw(&folio->flags);
 		}
 
+#ifdef CONFIG_F2FS_FS_COMPRESSION
 		index = folio_index(folio);
 
-#ifdef CONFIG_F2FS_FS_COMPRESSION
 		if (!f2fs_compressed_file(inode))
 			goto read_single_page;