#include <sys/statfs.h>
#include <blkid/blkid.h>
-#ifdef HAVE_LINUX_BTRFS_H
-#include <linux/btrfs.h>
-#endif
-
#include "sd-id128.h"
#include "libudev.h"
#include "path-util.h"
#include "fileio.h"
#include "efivars.h"
#include "blkid-util.h"
+#include "btrfs-util.h"
static const char *arg_dest = "/tmp";
static bool arg_enabled = true;
return log_oom();
f = fopen(unit, "wxe");
- if (!f) {
- log_error_errno(errno, "Failed to create unit file %s: %m", unit);
- return -errno;
- }
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
fprintf(f,
"# Automatically generated by systemd-gpt-auto-generator\n\n"
path);
fflush(f);
- if (ferror(f)) {
- log_error_errno(errno, "Failed to write unit file %s: %m", unit);
- return -errno;
- }
+ if (ferror(f))
+ return log_error_errno(errno, "Failed to write unit file %s: %m", unit);
lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL);
if (!lnk)
return log_oom();
mkdir_parents_label(lnk, 0755);
- if (symlink(unit, lnk) < 0) {
- log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
- return -errno;
- }
+ if (symlink(unit, lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
return 0;
}
return log_oom();
f = fopen(p, "wxe");
- if (!f) {
- log_error_errno(errno, "Failed to create unit file %s: %m", p);
- return -errno;
- }
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", p);
fprintf(f,
"# Automatically generated by systemd-gpt-auto-generator\n\n"
id);
fflush(f);
- if (ferror(f)) {
- log_error_errno(errno, "Failed to write file %s: %m", p);
- return -errno;
- }
+ if (ferror(f))
+ return log_error_errno(errno, "Failed to write file %s: %m", p);
- from = strappenda("../", n);
+ from = strjoina("../", n);
to = strjoin(arg_dest, "/", d, ".wants/", n, NULL);
if (!to)
return log_oom();
mkdir_parents_label(to, 0755);
- if (symlink(from, to) < 0) {
- log_error_errno(errno, "Failed to create symlink %s: %m", to);
- return -errno;
- }
+ if (symlink(from, to) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", to);
free(to);
to = strjoin(arg_dest, "/cryptsetup.target.requires/", n, NULL);
return log_oom();
mkdir_parents_label(to, 0755);
- if (symlink(from, to) < 0) {
- log_error_errno(errno, "Failed to create symlink %s: %m", to);
- return -errno;
- }
+ if (symlink(from, to) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", to);
free(to);
to = strjoin(arg_dest, "/dev-mapper-", e, ".device.requires/", n, NULL);
return log_oom();
mkdir_parents_label(to, 0755);
- if (symlink(from, to) < 0) {
- log_error_errno(errno, "Failed to create symlink %s: %m", to);
- return -errno;
- }
+ if (symlink(from, to) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", to);
free(p);
p = strjoin(arg_dest, "/dev-mapper-", e, ".device.d/50-job-timeout-sec-0.conf", NULL);
return log_oom();
f = fopen(p, "wxe");
- if (!f) {
- log_error_errno(errno, "Failed to create unit file %s: %m", unit);
- return -errno;
- }
+ if (!f)
+ return log_error_errno(errno, "Failed to create unit file %s: %m", unit);
fprintf(f,
"# Automatically generated by systemd-gpt-auto-generator\n\n"
fprintf(f, "Options=%s\n", rw ? "rw" : "ro");
fflush(f);
- if (ferror(f)) {
- log_error_errno(errno, "Failed to write unit file %s: %m", p);
- return -errno;
- }
+ if (ferror(f))
+ return log_error_errno(errno, "Failed to write unit file %s: %m", p);
if (post) {
lnk = strjoin(arg_dest, "/", post, ".requires/", unit, NULL);
return log_oom();
mkdir_parents_label(lnk, 0755);
- if (symlink(p, lnk) < 0) {
- log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
- return -errno;
- }
+ if (symlink(p, lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
}
return 0;
return r;
}
-static int get_btrfs_block_device(const char *path, dev_t *dev) {
- struct btrfs_ioctl_fs_info_args fsi = {};
- _cleanup_close_ int fd = -1;
- uint64_t id;
-
- assert(path);
- assert(dev);
-
- fd = open(path, O_DIRECTORY|O_CLOEXEC);
- if (fd < 0)
- return -errno;
-
- if (ioctl(fd, BTRFS_IOC_FS_INFO, &fsi) < 0)
- return -errno;
-
- /* We won't do this for btrfs RAID */
- if (fsi.num_devices != 1)
- return 0;
-
- for (id = 1; id <= fsi.max_id; id++) {
- struct btrfs_ioctl_dev_info_args di = {
- .devid = id,
- };
- struct stat st;
-
- if (ioctl(fd, BTRFS_IOC_DEV_INFO, &di) < 0) {
- if (errno == ENODEV)
- continue;
-
- return -errno;
- }
-
- if (stat((char*) di.path, &st) < 0)
- return -errno;
-
- if (!S_ISBLK(st.st_mode))
- return -ENODEV;
-
- if (major(st.st_rdev) == 0)
- return -ENODEV;
-
- *dev = st.st_rdev;
- return 1;
- }
-
- return -ENODEV;
-}
-
static int get_block_device(const char *path, dev_t *dev) {
struct stat st;
struct statfs sfs;
return -errno;
if (F_TYPE_EQUAL(sfs.f_type, BTRFS_SUPER_MAGIC))
- return get_btrfs_block_device(path, dev);
+ return btrfs_get_block_device(path, dev);
return 0;
}