Signed-off-by: Stefan Schantl stefan.schantl@ipfire.org --- src/installer/hw.c | 48 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 45 insertions(+), 3 deletions(-)
diff --git a/src/installer/hw.c b/src/installer/hw.c index cb6a8ab81..e520fb687 100644 --- a/src/installer/hw.c +++ b/src/installer/hw.c @@ -926,6 +926,7 @@ int hw_create_btrfs_layout(const char* path, const char* output) {
int hw_mount_filesystems(struct hw_destination* dest, const char* prefix) { char target[STRING_SIZE]; + int r;
assert(*prefix == '/');
@@ -953,9 +954,17 @@ int hw_mount_filesystems(struct hw_destination* dest, const char* prefix) { }
// root - int r = hw_mount(dest->part_root, prefix, filesystem, 0); - if (r) - return r; + if (dest->filesystem == HW_FS_BTRFS) { + r = hw_mount_btrfs_subvolumes(dest->part_root); + + if (r) + return r; + } else { + r = hw_mount(dest->part_root, prefix, filesystem, 0); + + if (r) + return r; + }
// boot snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_BOOT); @@ -1019,6 +1028,39 @@ int hw_mount_filesystems(struct hw_destination* dest, const char* prefix) { return 0; }
+int hw_mount_btrfs_subvolumes(const char* source) { + int r; + char path[STRING_SIZE]; + char options[STRING_SIZE]; + + // Mount the root subvolume + snprintf(options, sizeof(options), "subvol=%s,%s", btrfs_subvolumes[0][0], BTRFS_MOUNT_OPTIONS); + r = mount(source, DESTINATION_MOUNT_PATH, "btrfs", NULL, options); + + if (r) + return r; + + // Loop through the remain array of known subvolumes. + for ( int i = 1; i < LEN(btrfs_subvolumes); i++ ) { + snprintf(path, sizeof(path), "%s%s", DESTINATION_MOUNT_PATH, btrfs_subvolumes[i][1]); + snprintf(options, sizeof(options), "subvol=%s,", btrfs_subvolumes[i][0], BTRFS_MOUNT_OPTIONS); + + // Create the directory. + r = hw_mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO); + + if(r != 0 && errno != EEXIST) + return r; + + // Try to mount the subvolume. + r = mount(source, path, "btrfs", NULL, options); + + if (r) + return r; + } + + return 0; +} + int hw_umount_filesystems(struct hw_destination* dest, const char* prefix) { int r; char target[STRING_SIZE];