Hi Ted, I haven't yet looked at whether it is kernel or e2fsck bug. But I am having this with the latest patch queue when running fsstress. The fsstress have falloc added as a supported operation. So it is mostly to do with fallocate. Architecture is x86. The tests performed are chown 3/39 write op creat 4/39 write op dread 4/39 fdatasync 1/39 write op fsync 1/39 write op getdents 1/39 link 1/39 write op mkdir 2/39 write op mknod 2/39 write op read 1/39 readlink 1/39 rename 2/39 write op rmdir 1/39 write op stat 1/39 symlink 2/39 write op sync 1/39 truncate 2/39 write op unlink 1/39 write op write 4/39 write op fallocate 4/39 write op seed = 1218256896 /usr/local/e2fsprogs/sbin/e2fsck -fnv /dev/sdb1 e2fsck 1.41.0 (10-Jul-2008) Pass 1: Checking inodes, blocks, and sizes Inode 10093, i_size is 974599, should be 999424. Fix? no Inode 22481, i_size is 363927, should be 909312. Fix? no Inode 28621, i_size is 143236, should be 159744. Fix? no Inode 28635, i_size is 1203683, should be 1830912. Fix? no Inode 42764, i_size is 2328377, should be 2691072. Fix? no Inode 54630, i_size is 204182, should be 331776. Fix? no Inode 60249, i_size is 0, should be 700416. Fix? no Inode 67588, i_size is 1621922, should be 1810432. Fix? no Inode 71084, i_size is 0, should be 184320. Fix? no Inode 78764, i_size is 0, should be 151552. Fix? no Inode 92569, i_size is 651967, should be 806912. Fix? no -aneesh -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html