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Commit e6268746 authored by Ryusuke Konishi's avatar Ryusuke Konishi Committed by Linus Torvalds
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nilfs2: super block operations fix endian bug 



This adds a missing endian conversion of checksum field in the super
block.  This fixes compatibility issue on big endian machines which will
come to surface after supporting recovery of super block.

Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1f5abe7e

fs/nilfs2/super.c

+3 −3
Original line number Diff line number Diff line
@@ -287,9 +287,9 @@ int nilfs_commit_super(struct nilfs_sb_info *sbi) 
	sbp->s_free_blocks_count = cpu_to_le64(nfreeblocks);

	sbp->s_wtime = cpu_to_le64(get_seconds());

	sbp->s_sum = 0;

	sbp->s_sum = crc32_le(nilfs->ns_crc_seed, (unsigned char *)sbp,

			      le16_to_cpu(sbp->s_bytes));



	sbp->s_sum = cpu_to_le32(crc32_le(nilfs->ns_crc_seed,

					  (unsigned char *)sbp,

					  le16_to_cpu(sbp->s_bytes)));

	sbi->s_super->s_dirt = 0;

	return nilfs_sync_super(sbi);

}