ext4: move vars to local scope in ext4_discard_partial_page_buffers_no_lock()

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 60af512..f60b459 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3179,7 +3179,6 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
        ext4_fsblk_t index = from >> PAGE_CACHE_SHIFT;
        unsigned int offset = from & (PAGE_CACHE_SIZE-1);
        unsigned int blocksize, max, pos;
-       unsigned int end_of_block, range_to_discard;
        ext4_lblk_t iblock;
        struct buffer_head *bh;
        int err = 0;
@@ -3231,6 +3230,8 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
 
        pos = offset;
        while (pos < offset + length) {
+               unsigned int end_of_block, range_to_discard;
+
                err = 0;
 
                /* The length of space left to zero and unmap */