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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 78c3f1d..9b49832 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -291,13 +291,30 @@
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;
