f2fs_reserve_block 842 fs/f2fs/data.c return f2fs_reserve_block(dn, index); f2fs_reserve_block 997 fs/f2fs/data.c err = f2fs_reserve_block(&dn, index); f2fs_reserve_block 3217 fs/f2fs/f2fs.h int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); f2fs_reserve_block 128 fs/f2fs/inline.c err = f2fs_reserve_block(dn, 0); f2fs_reserve_block 378 fs/f2fs/inline.c err = f2fs_reserve_block(&dn, 0);