File 0001-fswreck-Create-a-loop-in-group-chains.patch of Package ocfs2-tools
From 57a0a528f35d2b540d4ed533b6274586056664ce Mon Sep 17 00:00:00 2001 From: Goldwyn Rodrigues <rgoldwyn@suse.de> Date: Thu, 20 Sep 2012 19:39:17 -0500 Subject: [PATCH 1/2] fswreck: Create a loop in group chains --- fswreck/corrupt.c | 3 +++ fswreck/group.c | 6 ++++++ fswreck/include/fsck_type.h | 1 + fswreck/main.c | 2 ++ 4 files changed, 12 insertions(+) Index: ocfs2-tools/fswreck/corrupt.c =================================================================== --- ocfs2-tools.orig/fswreck/corrupt.c 2012-08-24 10:02:19.000000000 -0500 +++ ocfs2-tools/fswreck/corrupt.c 2012-09-25 11:12:35.000000000 -0500 @@ -331,6 +331,9 @@ void corrupt_group_desc(ocfs2_filesys *f case GROUP_FREE_BITS: func = mess_up_group_minor; break; + case GROUP_CHAIN_LOOP: + func = mess_up_group_minor; + break; case GROUP_GEN: func = mess_up_group_gen; break; Index: ocfs2-tools/fswreck/group.c =================================================================== --- ocfs2-tools.orig/fswreck/group.c 2012-08-24 10:02:19.000000000 -0500 +++ ocfs2-tools/fswreck/group.c 2012-09-25 11:12:35.000000000 -0500 @@ -176,6 +176,12 @@ static void damage_group_desc(ocfs2_file bg->bg_chain, (bg->bg_chain + 10)); bg->bg_chain += 10; break; + case GROUP_CHAIN_LOOP: + fprintf(stdout, "Corrput GROUP_LOOP: " + "change group next from %"PRIu64" to %"PRIu64"\n", + bg->bg_next_group, cr->c_blkno); + bg->bg_next_group = cpu_to_le64(cr->c_blkno); + break; case GROUP_FREE_BITS: fprintf(stdout, "Corrput GROUP_FREE_BITS: " "change group free bits from %u to %u\n", Index: ocfs2-tools/fswreck/include/fsck_type.h =================================================================== --- ocfs2-tools.orig/fswreck/include/fsck_type.h 2012-08-24 10:02:19.000000000 -0500 +++ ocfs2-tools/fswreck/include/fsck_type.h 2012-09-25 11:12:35.000000000 -0500 @@ -57,6 +57,7 @@ enum fsck_type GROUP_BLKNO, GROUP_CHAIN, GROUP_FREE_BITS, + GROUP_CHAIN_LOOP, CHAIN_COUNT, CHAIN_NEXT_FREE, CHAIN_EMPTY, Index: ocfs2-tools/fswreck/main.c =================================================================== --- ocfs2-tools.orig/fswreck/main.c 2012-08-24 10:02:19.000000000 -0500 +++ ocfs2-tools/fswreck/main.c 2012-09-25 11:12:35.000000000 -0500 @@ -102,6 +102,8 @@ static struct prompt_code prompt_codes[N "Corrupt chain group's blkno"), define_prompt_code(GROUP_CHAIN, corrupt_group_desc, "", 1, "Corrupt chain group's chain where it was in"), + define_prompt_code(GROUP_CHAIN_LOOP, corrupt_group_desc, "", 1, + "Corrupt group's chain to form a loop"), define_prompt_code(GROUP_FREE_BITS, corrupt_group_desc, "", 1, "Corrupt chain group's free bits"), define_prompt_code(CHAIN_COUNT, corrupt_sys_file, "", 1,
