Hello, Would it be possible for someone to port source code of resize_reiserfs to handle reiser4 partitions ? [sdbX] reiserfsprogs-3.6.25.tar.xz I can assist with reiser4 testing on a r4 volume , their are some files on it [with some spare space on volume] to help verify results/syntax. I know there are meta metadata differences r3 vs r4 Cheers --Glenn ## reiserfsprogs resize_reiserfs content. http://www.linuxfromscratch.org/blfs/view/svn/postlfs/reiserfs.html https://www.kernel.org/pub/linux/kernel/people/jeffm/reiserfsprogs/v3.6.25/reiserfsprogs-3.6.25.tar.xz # ll reiserfsprogs-3.6.25/resize_reiserfs/ total 64 -rw-r--r-- 1 root root 215 Sep 17 2013 Makefile.am -rw-r--r-- 1 root root 22976 Jun 7 2016 Makefile.in -rw-r--r-- 1 root root 7936 Sep 17 2013 do_shrink.c -rw-r--r-- 1 root root 621 Aug 27 2013 fe.c -rw-r--r-- 1 root root 909 Sep 17 2013 resize.h -rw-r--r-- 1 root root 2988 Jun 7 2016 resize_reiserfs.8 -rw-r--r-- 1 root root 2999 Jun 7 2016 resize_reiserfs.8.in -rw-r--r-- 1 root root 8584 Jun 7 2016 resize_reiserfs.c resize_reiserfs output example runs against reiser v3 volume: resize_reiserfs v3 outout ######################### # resize_reiserfs Usage: resize_reiserfs [-s[+|-]#[G|M|K]] [-fqvV] device # resize_reiserfs ? resize_reiserfs 3.6.25 cannot open '?': No such file or directory # resize_reiserfs --help resize_reiserfs: invalid option -- '-' Usage: resize_reiserfs [-s[+|-]#[G|M|K]] [-fqvV] device # resize_reiserfs /dev/sdb2 resize_reiserfs 3.6.25 - no r3 on /dev/sdb2 # resize_reiserfs /dev/sdb2 resize_reiserfs 3.6.25 cannot open '/dev/sdb2': No such file or directory # resize_reiserfs /dev/sdb2 resize_reiserfs 3.6.25 reiserfs_open: the reiserfs superblock cannot be found on /dev/sdb2. ## reiser v3 on /dev/sdb1 # resize_reiserfs --help resize_reiserfs: invalid option -- '-' Usage: resize_reiserfs [-s[+|-]#[G|M|K]] [-fqvV] device # mount /dev/sdb1 /media/disk # df -h Filesystem Size Used Avail Use% Mounted on 1.5T 253G 1.3T 17% /media/disk # cd /tmp # umount /dev/sdb1 # resize_reiserfs -s -1G /dev/sdb1 resize_reiserfs 3.6.25 You are running BETA version of reiserfs shrinker. This version is only for testing or VERY CAREFUL use. Backup of you data is recommended. Do you want to continue? [y/N]:y Processing the tree: 0%....20%....40%....60%....80%....100% left 0, 226936 /sec nodes processed (moved): int 413 (0), leaves 68189 (0), unfm 66196804 (338), total 66265406 (338). check for used blocks in truncated region ReiserFS report: blocksize 4096 block count 402390784 (402652928) free blocks 336104888 (336367024) bitmap block count 12280 (12288) Syncing..done # resize_reiserfs: Resizing finished successfully. # resize_reiserfs -s -1M -v /dev/sdb1 resize_reiserfs 3.6.25 You are running BETA version of reiserfs shrinker. This version is only for testing or VERY CAREFUL use. Backup of you data is recommended. Do you want to continue? [y/N]:y processind the tree 0%..20%...40.. # # resize_reiserfs -s -1M -v /dev/sdb1 resize_reiserfs 3.6.25 You are running BETA version of reiserfs shrinker. This version is only for testing or VERY CAREFUL use. Backup of you data is recommended. Do you want to continue? [y/N]:y Processing the tree: 0%....20%....40%....60%....80%....100% left 0, 226161 /sec nodes processed (moved): int 413 (0), leaves 68189 (0), unfm 66196804 (0), total 66265406 (0). check for used blocks in truncated region ReiserFS report: blocksize 4096 block count 402390528 (402390784) free blocks 336104632 (336104888) bitmap block count 12280 (12280) Syncing..done resize_reiserfs: Resizing finished successfully. # # resize_reiserfs -s +100M -v /dev/sdb1 resize_reiserfs 3.6.25 ReiserFS report: blocksize 4096 block count 402416128 (402390528) free blocks 336130231 (336104632) bitmap block count 12281 (12280) Syncing..done resize_reiserfs: Resizing finished successfully. # # resize_reiserfs -s +1G /dev/sdb1 resize_reiserfs 3.6.25 /dev/sdb1 is of 402652928 blocks size only with reiserfs of 402544128 blocks size on it. You are trying to expand reiserfs up to 402806272 blocks size. You probably forgot to expand your partition size. # resize_reiserfs -s 10 /dev/sdb1 resize_reiserfs 3.6.25 Can't shrink filesystem on-line. # resize_reiserfs -s +100M /dev/sdb1 resize_reiserfs 3.6.25 ReiserFS report: blocksize 4096 block count 402595328 (402569728) free blocks 336309425 (336283826) bitmap block count 12287 (12286) Syncing..done resize_reiserfs: Resizing finished successfully. # resize_reiserfs -s +100M /dev/sdb1 resize_reiserfs 3.6.25 ReiserFS report: blocksize 4096 block count 402620928 (402595328) free blocks 336335024 (336309425) bitmap block count 12288 (12287) Syncing..done resize_reiserfs: Resizing finished successfully. # resize_reiserfs -s +20M /dev/sdb1 resize_reiserfs 3.6.25 ReiserFS report: blocksize 4096 block count 402651648 (402646528) free blocks 336365744 (336360624) bitmap block count 12288 (12288) Syncing..done resize_reiserfs: Resizing finished successfully. # resize_reiserfs -s +10M /dev/sdb1 resize_reiserfs 3.6.25 /dev/sdb1 is of 402652928 blocks size only with reiserfs of 402651648 blocks size on it. You are trying to expand reiserfs up to 402654208 blocks size. You probably forgot to expand your partition size. # resize_reiserfs -s +10M /dev/sdb1 resize_reiserfs 3.6.25 /dev/sdb1 is of 402652928 blocks size only with reiserfs of 402651648 blocks size on it. You are trying to expand reiserfs up to 402654208 blocks size. You probably forgot to expand your partition size. # resize_reiserfs -s +5M /dev/sdb1 resize_reiserfs 3.6.25 ReiserFS report: blocksize 4096 block count 402652928 (402651648) free blocks 336367024 (336365744) bitmap block count 12288 (12288) Syncing..done resize_reiserfs: Resizing finished successfully # time mount /dev/sdb1 /media/disk real 0m0.236s user 0m0.004s sys 0m0.008s # df -h Filesystem Size Used Avail Use% Mounted on r3 vol> /dev/sdb1 1.5T 253G 1.3T 17% /media/disk r4 vol> /dev/sdb2 311G 109G 203G 35% /media/disk2 # time umount /dev/sdb1 real 0m0.050s user 0m0.004s sys 0m0.008s -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
