diff options
author | Eric Sandeen <sandeen@redhat.com> | 2011-11-11 21:06:04 -0500 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2011-11-11 21:06:04 -0500 |
commit | 7105c183a0f4622268a50db37017cfacc9877e5f (patch) | |
tree | 89935ef473c4d5d65fb8019872f2b35d20320eac /debugfs/debugfs.c | |
parent | 3859977a6b29889b7115db647d2c27c6bf1bd8be (diff) | |
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debugfs: tidy up mmp handling
Several small fixes:
* Gracefully fail mmp commands if fs is not open
* Show magic number in dump_mmp command
* Fix header in output for set_mmp_value -l
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'debugfs/debugfs.c')
-rw-r--r-- | debugfs/debugfs.c | 7 |
1 files changed, 6 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) |