Commit 0b96d9be authored by Gao Xiang's avatar Gao Xiang
Browse files

erofs: fix block count report when 48-bit layout is on 



Fix incorrect shift order when combining the 48-bit block count.

Fixes: 2e1473d5 ("erofs: implement 48-bit block addressing for unencoded inodes")
Signed-off-by: default avatarGao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250807082019.3093539-1-hsiangkao@linux.alibaba.com
parent c99fab6e

fs/erofs/super.c

+2 −2
Original line number Diff line number Diff line
@@ -323,8 +323,8 @@ static int erofs_read_superblock(struct super_block *sb) 
	sbi->islotbits = ilog2(sizeof(struct erofs_inode_compact));

	if (erofs_sb_has_48bit(sbi) && dsb->rootnid_8b) {

		sbi->root_nid = le64_to_cpu(dsb->rootnid_8b);

		sbi->dif0.blocks = (sbi->dif0.blocks << 32) |

				le16_to_cpu(dsb->rb.blocks_hi);

		sbi->dif0.blocks = sbi->dif0.blocks |

				((u64)le16_to_cpu(dsb->rb.blocks_hi) << 32);

	} else {

		sbi->root_nid = le16_to_cpu(dsb->rb.rootnid_2b);

	}