ext4: remove unused variable from ext4_ext_in_cache()

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Zheng Liu <gnehzuil.liu@gmail.com>

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d45ff3f..26af228 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2194,7 +2194,6 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
                  struct ext4_extent *ex)
 {
        struct ext4_ext_cache *cex;
-       struct ext4_sb_info *sbi;
        int ret = 0;
 
        /*
@@ -2202,7 +2201,6 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
         */
        spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
        cex = &EXT4_I(inode)->i_cached_extent;
-       sbi = EXT4_SB(inode->i_sb);
 
        /* has cache valid data? */
        if (cex->ec_len == 0)