Commit d940aa07 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: fix to check i_compr_blocks correctly 



inode.i_blocks counts based on 512byte sector, we need to convert
to 4kb sized block count before comparing to i_compr_blocks.

In addition, add to print message when sanity check on inode
compression configs failed.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent df77fbd8

fs/f2fs/inode.c

+20 −3
Original line number Diff line number Diff line
@@ -291,14 +291,31 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page) 
			fi->i_flags & F2FS_COMPR_FL &&

			F2FS_FITS_IN_INODE(ri, fi->i_extra_isize,

						i_log_cluster_size)) {

		if (ri->i_compress_algorithm >= COMPRESS_MAX)

		if (ri->i_compress_algorithm >= COMPRESS_MAX) {

			f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "

				"compress algorithm: %u, run fsck to fix",

				  __func__, inode->i_ino,

				  ri->i_compress_algorithm);

			return false;

		if (le64_to_cpu(ri->i_compr_blocks) > inode->i_blocks)

		}

		if (le64_to_cpu(ri->i_compr_blocks) >

				SECTOR_TO_BLOCK(inode->i_blocks)) {

			f2fs_warn(sbi, "%s: inode (ino=%lx) has inconsistent "

				"i_compr_blocks:%llu, i_blocks:%llu, run fsck to fix",

				  __func__, inode->i_ino,

				  le64_to_cpu(ri->i_compr_blocks),

				  SECTOR_TO_BLOCK(inode->i_blocks));

			return false;

		}

		if (ri->i_log_cluster_size < MIN_COMPRESS_LOG_SIZE ||

			ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE)

			ri->i_log_cluster_size > MAX_COMPRESS_LOG_SIZE) {

			f2fs_warn(sbi, "%s: inode (ino=%lx) has unsupported "

				"log cluster size: %u, run fsck to fix",

				  __func__, inode->i_ino,

				  ri->i_log_cluster_size);

			return false;

		}

	}



	return true;

}

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