Add command line flag for compressor options, pass them to compressors

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 8 insertions, 1 deletions

diff --git a/mkfs/mkfs.c b/mkfs/mkfs.c
index dac0a34..c958d73 100644
--- a/mkfs/mkfs.c
+++ b/mkfs/mkfs.c
@@ -47,6 +47,12 @@ int main(int argc, char **argv)
 
 	process_command_line(&info.opt, argc, argv);
 
+	if (info.opt.comp_extra != NULL &&
+	    strcmp(info.opt.comp_extra, "help") == 0) {
+		compressor_print_help(info.opt.compressor);
+		return EXIT_SUCCESS;
+	}
+
 	if (sqfs_super_init(&info.super, info.opt.blksz, info.opt.def_mtime,
 			    info.opt.compressor)) {
 		return EXIT_FAILURE;
@@ -85,7 +91,8 @@ int main(int argc, char **argv)
 	fstree_sort(&info.fs);
 
 	info.cmp = compressor_create(info.super.compression_id, true,
-				     info.super.block_size);
+				     info.super.block_size,
+				     info.opt.comp_extra);
 	if (info.cmp == NULL) {
 		fputs("Error creating compressor\n", stderr);
 		goto out_outfd;