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-rw-r--r--util-linux/swaponoff.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index 54867ec36..afad4ab8f 100644
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -95,6 +95,20 @@ static int do_em_all(void)
if (applet_name[5] != 'n'
|| hasmntopt(m, MNTOPT_NOAUTO) == NULL
) {
+#if ENABLE_FEATURE_SWAPON_PRI
+ char *p;
+ g_flags = 0; /* each swap space might have different flags */
+ p = strstr(m->mnt_opts, "pri=");
+ if (p) {
+ /* Max allowed 32767 (==SWAP_FLAG_PRIO_MASK) */
+ int swap_prio = MIN(bb_strtoull(p + 4 , NULL, 10), SWAP_FLAG_PRIO_MASK);
+ /* We want to allow "NNNN,foo", thus errno == EINVAL is allowed too */
+ if (errno != ERANGE) {
+ g_flags = SWAP_FLAG_PREFER |
+ (swap_prio << SWAP_FLAG_PRIO_SHIFT);
+ }
+ }
+#endif
err += swap_enable_disable(m->mnt_fsname);
}
}