f2fs: introduce macros to convert bytes and blocks in f2fs

This patch adds two macros for transition between byte and block offsets.
Currently, f2fs only supports 4KB blocks, so use the default size for now.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 31a715b5fd5c..58d88df0d632 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -981,15 +981,14 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
         /* write out checkpoint buffer at block 0 */
         cp_page = grab_meta_page(sbi, start_blk++);
         kaddr = page_address(cp_page);
-        memcpy(kaddr, ckpt, (1 << sbi->log_blocksize));
+        memcpy(kaddr, ckpt, F2FS_BLKSIZE);
         set_page_dirty(cp_page);
         f2fs_put_page(cp_page, 1);
 
         for (i = 1; i < 1 + cp_payload_blks; i++) {
                 cp_page = grab_meta_page(sbi, start_blk++);
                 kaddr = page_address(cp_page);
-                memcpy(kaddr, (char *)ckpt + i * F2FS_BLKSIZE,
-                                (1 << sbi->log_blocksize));
+                memcpy(kaddr, (char *)ckpt + i * F2FS_BLKSIZE, F2FS_BLKSIZE);
                 set_page_dirty(cp_page);
                 f2fs_put_page(cp_page, 1);
         }
@@ -1009,7 +1008,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
         /* writeout checkpoint block */
         cp_page = grab_meta_page(sbi, start_blk);
         kaddr = page_address(cp_page);
-        memcpy(kaddr, ckpt, (1 << sbi->log_blocksize));
+        memcpy(kaddr, ckpt, F2FS_BLKSIZE);
         set_page_dirty(cp_page);
         f2fs_put_page(cp_page, 1);