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f2fs: Fix not used variable 'index'

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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: db92e6c729 ("f2fs: convert f2fs_mpage_readpages() to use folio")
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Zeng Heng 2024-10-23 17:48:50 +08:00 committed by Jaegeuk Kim
parent e63ce120b4
commit 0c3a38a4b4
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/data.c
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@ -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;