cmd_fs_usage: Fix kernel version check

This needed an access() check, like the other uses, instead of exiting
if it can't be read.

Factor out a small common helper for this.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 1 insertions, 3 deletions

diff --git a/c_src/cmd_fsck.c b/c_src/cmd_fsck.c
index 6166328c..06f131bc 100644
--- a/c_src/cmd_fsck.c
+++ b/c_src/cmd_fsck.c
@@ -116,9 +116,7 @@ static bool should_use_kernel_fsck(darray_str devs)
 {
 	system("modprobe bcachefs");
 
-	unsigned kernel_version = !access("/sys/module/bcachefs/parameters/version", R_OK)
-	    ? read_file_u64(AT_FDCWD, "/sys/module/bcachefs/parameters/version")
-	    : 0;
+	unsigned kernel_version = bcachefs_kernel_version();
 
 	if (!kernel_version)
 		return false;