73 lines
2.2 KiB
Diff
73 lines
2.2 KiB
Diff
From fd613a23cb8763da1ac47fcd1d7faacc8fd550d2 Mon Sep 17 00:00:00 2001
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From: Mike Yuan <me@yhndnzj.com>
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Date: Thu, 13 Jul 2023 23:13:10 +0800
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Subject: [PATCH] fstab-util: add fstab_is_bind
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(cherry picked from commit 35df78cd88e784abafd5df4545feeb3dd98e14a4)
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Related: #2190226
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---
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src/core/mount.c | 9 +--------
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src/shared/fstab-util.c | 13 +++++++++++++
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src/shared/fstab-util.h | 2 ++
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3 files changed, 16 insertions(+), 8 deletions(-)
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diff --git a/src/core/mount.c b/src/core/mount.c
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index ba55f7dd86..a46ac804d8 100644
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--- a/src/core/mount.c
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+++ b/src/core/mount.c
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@@ -119,14 +119,7 @@ static bool mount_is_loop(const MountParameters *p) {
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static bool mount_is_bind(const MountParameters *p) {
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assert(p);
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-
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- if (fstab_test_option(p->options, "bind\0" "rbind\0"))
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- return true;
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-
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- if (p->fstype && STR_IN_SET(p->fstype, "bind", "rbind"))
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- return true;
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-
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- return false;
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+ return fstab_is_bind(p->options, p->fstype);
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}
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static bool mount_is_bound_to_device(Mount *m) {
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diff --git a/src/shared/fstab-util.c b/src/shared/fstab-util.c
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index f683f05981..35e0d0d6f7 100644
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--- a/src/shared/fstab-util.c
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+++ b/src/shared/fstab-util.c
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@@ -19,6 +19,8 @@ int fstab_has_fstype(const char *fstype) {
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_cleanup_endmntent_ FILE *f = NULL;
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struct mntent *m;
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+ assert(fstype);
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+
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f = setmntent(fstab_path(), "re");
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if (!f)
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return errno == ENOENT ? false : -errno;
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@@ -286,3 +288,14 @@ char *fstab_node_to_udev_node(const char *p) {
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return strdup(p);
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}
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+
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+bool fstab_is_bind(const char *options, const char *fstype) {
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+
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+ if (fstab_test_option(options, "bind\0" "rbind\0"))
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+ return true;
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+
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+ if (fstype && STR_IN_SET(fstype, "bind", "rbind"))
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+ return true;
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+
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+ return false;
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+}
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diff --git a/src/shared/fstab-util.h b/src/shared/fstab-util.h
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index 6b596baafa..5979b476b6 100644
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--- a/src/shared/fstab-util.h
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+++ b/src/shared/fstab-util.h
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@@ -40,3 +40,5 @@ char *fstab_node_to_udev_node(const char *p);
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static inline const char* fstab_path(void) {
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return secure_getenv("SYSTEMD_FSTAB") ?: "/etc/fstab";
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}
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+
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+bool fstab_is_bind(const char *options, const char *fstype);
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