#include "sd-messages.h"
-#include "parse-util.h"
#include "def.h"
#include "exec-util.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
+#include "parse-util.h"
#include "sleep-config.h"
#include "stdio-util.h"
#include "string-util.h"
return log_debug_errno(r, "Unable to find hibernation location: %m");
/* if it's a swap partition, we just write the disk to /sys/power/resume */
- if (streq(type, "partition"))
- return write_string_file("/sys/power/resume", device, 0);
- else if (!streq(type, "file"))
- return log_debug_errno(EINVAL, "Invalid hibernate type %s: %m",
- type);
+ if (streq(type, "partition")) {
+ r = write_string_file("/sys/power/resume", device, 0);
+ if (r < 0)
+ return log_debug_errno(r, "Faileed to write partitoin device to /sys/power/resume: %m");
+
+ return r;
+ }
+ if (!streq(type, "file")) {
+ log_debug("Invalid hibernate type: %s", type);
+ return -EINVAL;
+ }
/* Only available in 4.17+ */
if (access("/sys/power/resume_offset", F_OK) < 0) {
if (errno == ENOENT)
return 0;
+
return log_debug_errno(errno, "/sys/power/resume_offset unavailable: %m");
}
- r = access("/sys/power/resume_offset", W_OK);
- if (r < 0)
+ if (access("/sys/power/resume_offset", W_OK) < 0)
return log_debug_errno(errno, "/sys/power/resume_offset not writeable: %m");
fd = open(device, O_RDONLY | O_CLOEXEC | O_NONBLOCK);
r = fstat(fd, &stb);
if (r < 0)
return log_debug_errno(errno, "Unable to stat %s: %m", device);
+
r = read_fiemap(fd, &fiemap);
if (r < 0)
- return log_debug_errno(r, "Unable to read extent map for '%s': %m",
- device);
+ return log_debug_errno(r, "Unable to read extent map for '%s': %m", device);
if (fiemap->fm_mapped_extents == 0) {
log_debug("No extents found in '%s'", device);
return -EINVAL;
}
+
offset = fiemap->fm_extents[0].fe_physical / page_size();
xsprintf(offset_str, "%" PRIu64, offset);
r = write_string_file("/sys/power/resume_offset", offset_str, 0);
if (r < 0)
- return log_debug_errno(r, "Failed to write offset '%s': %m",
- offset_str);
+ return log_debug_errno(r, "Failed to write offset '%s': %m", offset_str);
xsprintf(device_str, "%lx", (unsigned long)stb.st_dev);
r = write_string_file("/sys/power/resume", device_str, 0);
if (r < 0)
- return log_debug_errno(r, "Failed to write device '%s': %m",
- device_str);
+ return log_debug_errno(r, "Failed to write device '%s': %m", device_str);
+
return 0;
}
int k;
k = write_string_file("/sys/power/disk", *mode, 0);
- if (k == 0)
+ if (k >= 0)
return 0;
- log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
- *mode);
- if (r == 0)
+ log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m", *mode);
+ if (r >= 0)
r = k;
}
int k;
k = write_string_stream(*f, *state, 0);
- if (k == 0)
+ if (k >= 0)
return 0;
- log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m",
- *state);
- if (r == 0)
+ log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m", *state);
+ if (r >= 0)
r = k;
fclose(*f);
arg_verb = argv[optind];
- if (!streq(arg_verb, "suspend") &&
- !streq(arg_verb, "hibernate") &&
- !streq(arg_verb, "hybrid-sleep") &&
- !streq(arg_verb, "suspend-then-hibernate")) {
+ if (!STR_IN_SET(arg_verb, "suspend", "hibernate", "hybrid-sleep", "suspend-then-hibernate")) {
log_error("Unknown command '%s'.", arg_verb);
return -EINVAL;
}
r = execute_s2h(delay);
else
r = execute(modes, states);
+
finish:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}