f2fs: introduce help macro ADDRS_PER_PAGE()
Introduce help macro ADDRS_PER_PAGE() to get the number of address pointers in
direct node or inode.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1716de65..9160610 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -659,8 +659,7 @@
goto put_out;
}
- end_offset = IS_INODE(dn.node_page) ?
- ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;
+ end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
bh_result->b_size = (((size_t)1) << blkbits);
dn.ofs_in_node++;
pgofs++;
@@ -682,8 +681,7 @@
if (dn.data_blkaddr == NEW_ADDR)
goto put_out;
- end_offset = IS_INODE(dn.node_page) ?
- ADDRS_PER_INODE(F2FS_I(inode)) : ADDRS_PER_BLOCK;
+ end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
}
if (maxblocks > (bh_result->b_size >> blkbits)) {
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a8c38dc..2d510e0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -295,10 +295,7 @@
return err;
}
- if (IS_INODE(dn.node_page))
- count = ADDRS_PER_INODE(F2FS_I(inode));
- else
- count = ADDRS_PER_BLOCK;
+ count = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode));
count -= dn.ofs_in_node;
f2fs_bug_on(count < 0);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 9eb6487..be1e3e8 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -301,10 +301,7 @@
goto out;
start = start_bidx_of_node(ofs_of_node(page), fi);
- if (IS_INODE(page))
- end = start + ADDRS_PER_INODE(fi);
- else
- end = start + ADDRS_PER_BLOCK;
+ end = start + ADDRS_PER_PAGE(page, fi);
f2fs_lock_op(sbi);
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index df53e17..8c03f71 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -146,6 +146,9 @@
#define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */
#define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block */
+#define ADDRS_PER_PAGE(page, fi) \
+ (IS_INODE(page) ? ADDRS_PER_INODE(fi) : ADDRS_PER_BLOCK)
+
#define NODE_DIR1_BLOCK (DEF_ADDRS_PER_INODE + 1)
#define NODE_DIR2_BLOCK (DEF_ADDRS_PER_INODE + 2)
#define NODE_IND1_BLOCK (DEF_ADDRS_PER_INODE + 3)