diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 202496172059..c567c73f7509 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3296,6 +3296,8 @@ int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page, unsigned int btrfs_verify_data_csum(struct btrfs_bio *bbio, u32 bio_offset, struct page *page, u64 start, u64 end); +int btrfs_check_data_csum(struct inode *inode, struct btrfs_bio *bbio, + u32 bio_offset, struct page *page, u32 pgoff); struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode, u64 start, u64 len); noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 934cd10dac68..18d397bfd28e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3440,20 +3440,18 @@ int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page, /* * check_data_csum - verify checksum of one sector of uncompressed data * @inode: inode - * @io_bio: btrfs_io_bio which contains the csum + * @bbio: btrfs_bio which contains the csum * @bio_offset: offset to the beginning of the bio (in bytes) * @page: page where is the data to be verified * @pgoff: offset inside the page - * @start: logical offset in the file * * The length of such check is always one sector size. * * When csum mismatch is detected, we will also report the error and fill the * corrupted range with zero. (Thus it needs the extra parameters) */ -static int check_data_csum(struct inode *inode, struct btrfs_bio *bbio, - u32 bio_offset, struct page *page, u32 pgoff, - u64 start) +int btrfs_check_data_csum(struct inode *inode, struct btrfs_bio *bbio, + u32 bio_offset, struct page *page, u32 pgoff) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); u32 len = fs_info->sectorsize; @@ -3469,8 +3467,9 @@ static int check_data_csum(struct inode *inode, struct btrfs_bio *bbio, return 0; zeroit: - btrfs_print_data_csum_error(BTRFS_I(inode), start, csum, csum_expected, - bbio->mirror_num); + btrfs_print_data_csum_error(BTRFS_I(inode), + bbio->file_offset + bio_offset, + csum, csum_expected, bbio->mirror_num); if (bbio->device) btrfs_dev_stat_inc_and_print(bbio->device, BTRFS_DEV_STAT_CORRUPTION_ERRS); @@ -3539,8 +3538,7 @@ unsigned int btrfs_verify_data_csum(struct btrfs_bio *bbio, EXTENT_NODATASUM); continue; } - ret = check_data_csum(inode, bbio, bio_offset, page, pg_off, - page_offset(page) + pg_off); + ret = btrfs_check_data_csum(inode, bbio, bio_offset, page, pg_off); if (ret < 0) { const int nr_bit = (pg_off - offset_in_page(start)) >> root->fs_info->sectorsize_bits; @@ -8004,8 +8002,8 @@ static blk_status_t btrfs_check_read_dio_bio(struct btrfs_dio_private *dip, u64 start = bbio->file_offset + offset; if (uptodate && - (!csum || !check_data_csum(inode, bbio, offset, bv.bv_page, - bv.bv_offset, start))) { + (!csum || !btrfs_check_data_csum(inode, bbio, offset, bv.bv_page, + bv.bv_offset))) { clean_io_failure(fs_info, failure_tree, io_tree, start, bv.bv_page, btrfs_ino(BTRFS_I(inode)), bv.bv_offset); @@ -10387,7 +10385,6 @@ static blk_status_t btrfs_encoded_read_verify_csum(struct btrfs_bio *bbio) u32 sectorsize = fs_info->sectorsize; struct bio_vec *bvec; struct bvec_iter_all iter_all; - u64 start = priv->file_offset; u32 bio_offset = 0; if (priv->skip_csum || !uptodate) @@ -10400,10 +10397,9 @@ static blk_status_t btrfs_encoded_read_verify_csum(struct btrfs_bio *bbio) pgoff = bvec->bv_offset; for (i = 0; i < nr_sectors; i++) { ASSERT(pgoff < PAGE_SIZE); - if (check_data_csum(&inode->vfs_inode, bbio, bio_offset, - bvec->bv_page, pgoff, start)) + if (btrfs_check_data_csum(&inode->vfs_inode, bbio, bio_offset, + bvec->bv_page, pgoff)) return BLK_STS_IOERR; - start += sectorsize; bio_offset += sectorsize; pgoff += sectorsize; }