f2fs: use macro for code readability

This reverts commit 30e533ede1550b4cc971317707d82ba3cfeea760.
f2fs: truncate stale block for inline_data

This reverts commit dd09e1f66e8fd05b43149f6b29e689b3f75d1f30.
f2fs: fix wrong casting for dentry name

This reverts commit b6f868cd85936e763bba08ee855e0f1917fcec3b.
f2fs: reposition unlock_new_inode to prevent accessing invalid inode

This reverts commit 864902ebd11b28bb5ae02b6f5366e55ef8f5b2c1.
f2fs: fix the initial inode page for recovery

This reverts commit 12e5ac0721b425e9e661321e5758c473945ea349.
f2fs: should clear the inline_xattr flag

This reverts commit 74c4038ef7b25621a025d383e01fa543a8152167.
f2fs: fix to recover inline_xattr/data and blocks

This reverts commit 1e2a0c895c7ba633f02ae3eddb340ad720651855.
f2fs: Fix errors