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btrfs-util: support recursive removal of read-only subvolumes
[elogind.git]
/
src
/
shared
/
machine-image.c
diff --git
a/src/shared/machine-image.c
b/src/shared/machine-image.c
index fb72123f1a80e43b2ee2b38dc66c87c63a089089..bc215f0ad5ca60e60d8fa600c6879717c354d65c 100644
(file)
--- a/
src/shared/machine-image.c
+++ b/
src/shared/machine-image.c
@@
-136,12
+136,11
@@
static int image_make(
/* btrfs subvolumes have inode 256 */
if (st.st_ino == 256) {
/* btrfs subvolumes have inode 256 */
if (st.st_ino == 256) {
- struct statfs sfs;
- if (fstatfs(fd, &sfs) < 0)
- return -errno;
-
- if (
F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC)
) {
+ r = btrfs_is_filesystem(fd);
+ if (r < 0)
+ return r;
+ if (
r
) {
BtrfsSubvolInfo info;
BtrfsQuotaInfo quota;
BtrfsSubvolInfo info;
BtrfsQuotaInfo quota;
@@
-491,7
+490,7
@@
int image_clone(Image *i, const char *new_name, bool read_only) {
case IMAGE_DIRECTORY:
new_path = strjoina("/var/lib/machines/", new_name);
case IMAGE_DIRECTORY:
new_path = strjoina("/var/lib/machines/", new_name);
- r = btrfs_subvol_snapshot(i->path, new_path,
read_only, true
);
+ r = btrfs_subvol_snapshot(i->path, new_path,
(read_only ? BTRFS_SNAPSHOT_READ_ONLY : 0) | BTRFS_SNAPSHOT_FALLBACK_COPY | BTRFS_SNAPSHOT_RECURSIVE
);
break;
case IMAGE_RAW:
break;
case IMAGE_RAW: