diff options
Diffstat (limited to 'debugfs')
| -rw-r--r-- | debugfs/debugfs.c | 7 | ||||
| -rw-r--r-- | debugfs/set_fields.c | 9 |
2 files changed, 15 insertions, 1 deletions
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c index eba3b697..1fb8f448 100644 --- a/debugfs/debugfs.c +++ b/debugfs/debugfs.c @@ -2165,11 +2165,15 @@ void do_punch(int argc, char *argv[]) void do_dump_mmp(int argc, char *argv[]) { - struct ext2_super_block *sb = current_fs->super; + struct ext2_super_block *sb; struct mmp_struct *mmp_s; time_t t; errcode_t retval = 0; + if (check_fs_open(argv[0])) + return; + + sb = current_fs->super; if (sb->s_mmp_block <= sb->s_first_data_block || sb->s_mmp_block >= ext2fs_blocks_count(sb)) { com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n"); @@ -2203,6 +2207,7 @@ void do_dump_mmp(int argc, char *argv[]) fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t)); fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename); fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname); + fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic); } static int source_file(const char *cmd_file, int sci_idx) diff --git a/debugfs/set_fields.c b/debugfs/set_fields.c index d4612759..00411605 100644 --- a/debugfs/set_fields.c +++ b/debugfs/set_fields.c @@ -242,6 +242,9 @@ static struct field_set_info ext4_bg_fields[] = { { 0, 0, 0, 0 } }; +/* forward declaration */ +static struct field_set_info mmp_fields[]; + static int check_suffix(const char *field) { int len = strlen(field); @@ -561,6 +564,9 @@ static void print_possible_fields(struct field_set_info *fields) } else if (fields == inode_fields) { type = "Inode"; cmd = "set_inode"; + } else if (fields == mmp_fields) { + type = "MMP"; + cmd = "set_mmp_value"; } else { type = "Block group descriptor"; cmd = "set_block_group"; @@ -768,6 +774,9 @@ void do_set_mmp_value(int argc, char *argv[]) return; } + if (check_fs_open(argv[0])) + return; + if (current_fs->super->s_mmp_block == 0) { com_err(argv[0], 0, "no MMP block allocated\n"); return; |