debugfs: allow comment lines in command file

Allow comment lines with '#' at the start of the line in the command
file passed in to debugfs via the "-f" option or from standard input.

Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Lustre-bug-id: https://jira.whamcloud.com/browse/LU-13197
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index e33c92e..6325f25 100644 (file)
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -2494,6 +2494,10 @@ static int source_file(const char *cmd_file, int ss_idx)
        while (!feof(f)) {
                if (fgets(buf, sizeof(buf), f) == NULL)
                        break;
+               if (buf[0] == '#') {
+                       printf("%s", buf);
+                       continue;
+               }
                cp = strchr(buf, '\n');
                if (cp)
                        *cp = 0;