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-rw-r--r--src/readahead/readahead-collect.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/readahead/readahead-collect.c b/src/readahead/readahead-collect.c
index 75ec5b70c7..02ecbe56c9 100644
--- a/src/readahead/readahead-collect.c
+++ b/src/readahead/readahead-collect.c
@@ -505,7 +505,7 @@ done:
on_ssd = fs_on_ssd(root) > 0;
log_debug("On SSD: %s", yes_no(on_ssd));
- on_btrfs = statfs(root, &sfs) >= 0 && F_TYPE_CMP(sfs.f_type, BTRFS_SUPER_MAGIC);
+ on_btrfs = statfs(root, &sfs) >= 0 && sfs.f_type == (__SWORD_TYPE) BTRFS_SUPER_MAGIC;
log_debug("On btrfs: %s", yes_no(on_btrfs));
if (asprintf(&pack_fn_new, "%s/.readahead.new", root) < 0) {