1debugfs edit extended attributes 2mke2fs -Fq -b 1024 test.img 512 3Exit status is 0 4ea_set / user.joe smith 5Exit status is 0 6ea_set / user.moo FEE_FIE_FOE_FUMMMMMM 7Exit status is 0 8ea_list / 9Extended attributes: 10 user.joe (5) = "smith" 11 user.moo (20) = "FEE_FIE_FOE_FUMMMMMM" 12Exit status is 0 13ea_get / user.moo 14user.moo (20) = "FEE_FIE_FOE_FUMMMMMM" 15 16Exit status is 0 17ea_get / nosuchea 18ea_get: Extended attribute key not found while getting extended attribute 19Exit status is 0 20ea_rm / user.moo 21Exit status is 0 22ea_rm / nosuchea 23Exit status is 0 24ea_list / 25Extended attributes: 26 user.joe (5) = "smith" 27Exit status is 0 28ea_get / user.moo 29ea_get: Extended attribute key not found while getting extended attribute 30Exit status is 0 31ea_rm / user.joe 32Exit status is 0 33ea_list / 34Exit status is 0 35ea_set -f d_xattr_edits.tmp / user.file_based_xattr 36Exit status is 0 37ea_list / 38Extended attributes: 39 user.file_based_xattr (108) 40Exit status is 0 41ea_get / user.file_based_xattr 42user.file_based_xattr (108) = "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567\n" 43 44Exit status is 0 45ea_get -f d_xattr_edits.ver.tmp / user.file_based_xattr 46Exit status is 0 47Compare big attribute 48e2fsck -yf -N test_filesys 49Pass 1: Checking inodes, blocks, and sizes 50Pass 2: Checking directory structure 51Pass 3: Checking directory connectivity 52Pass 4: Checking reference counts 53Pass 5: Checking group summary information 54test_filesys: 11/64 files (0.0% non-contiguous), 29/512 blocks 55Exit status is 0 56