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Diffstat (limited to 'include/linux/f2fs_fs.h')
-rw-r--r--include/linux/f2fs_fs.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index e2d239ed4c60..b6feed6547ce 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -32,9 +32,9 @@
/* 0, 1(node nid), 2(meta nid) are reserved node id */
#define F2FS_RESERVED_NODE_NUM 3
-#define F2FS_ROOT_INO(sbi) (sbi->root_ino_num)
-#define F2FS_NODE_INO(sbi) (sbi->node_ino_num)
-#define F2FS_META_INO(sbi) (sbi->meta_ino_num)
+#define F2FS_ROOT_INO(sbi) ((sbi)->root_ino_num)
+#define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num)
+#define F2FS_META_INO(sbi) ((sbi)->meta_ino_num)
#define F2FS_IO_SIZE(sbi) (1 << (sbi)->write_io_size_bits) /* Blocks */
#define F2FS_IO_SIZE_KB(sbi) (1 << ((sbi)->write_io_size_bits + 2)) /* KB */
@@ -114,6 +114,7 @@ struct f2fs_super_block {
/*
* For checkpoint
*/
+#define CP_TRIMMED_FLAG 0x00000100
#define CP_NAT_BITS_FLAG 0x00000080
#define CP_CRC_RECOVERY_FLAG 0x00000040
#define CP_FASTBOOT_FLAG 0x00000020
@@ -161,7 +162,7 @@ struct f2fs_checkpoint {
*/
#define F2FS_ORPHANS_PER_BLOCK 1020
-#define GET_ORPHAN_BLOCKS(n) ((n + F2FS_ORPHANS_PER_BLOCK - 1) / \
+#define GET_ORPHAN_BLOCKS(n) (((n) + F2FS_ORPHANS_PER_BLOCK - 1) / \
F2FS_ORPHANS_PER_BLOCK)
struct f2fs_orphan_block {
@@ -302,6 +303,12 @@ struct f2fs_nat_block {
#define SIT_ENTRY_PER_BLOCK (PAGE_SIZE / sizeof(struct f2fs_sit_entry))
/*
+ * F2FS uses 4 bytes to represent block address. As a result, supported size of
+ * disk is 16 TB and it equals to 16 * 1024 * 1024 / 2 segments.
+ */
+#define F2FS_MAX_SEGMENT ((16 * 1024 * 1024) / 2)
+
+/*
* Note that f2fs_sit_entry->vblocks has the following bit-field information.
* [15:10] : allocation type such as CURSEG_XXXX_TYPE
* [9:0] : valid block count
@@ -449,7 +456,7 @@ typedef __le32 f2fs_hash_t;
#define F2FS_SLOT_LEN 8
#define F2FS_SLOT_LEN_BITS 3
-#define GET_DENTRY_SLOTS(x) ((x + F2FS_SLOT_LEN - 1) >> F2FS_SLOT_LEN_BITS)
+#define GET_DENTRY_SLOTS(x) (((x) + F2FS_SLOT_LEN - 1) >> F2FS_SLOT_LEN_BITS)
/* MAX level for dir lookup */
#define MAX_DIR_HASH_DEPTH 63