diff options
Diffstat (limited to 'src/fsck/fsck.c')
| -rw-r--r-- | src/fsck/fsck.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/src/fsck/fsck.c b/src/fsck/fsck.c index 9ecba99bb1..e7185342d7 100644 --- a/src/fsck/fsck.c +++ b/src/fsck/fsck.c @@ -132,7 +132,7 @@ static void test_files(void) { } -static int process_progress(int fd, dev_t device_num) { +static int process_progress(int fd, pid_t fsck_pid, dev_t device_num) { _cleanup_fclose_ FILE *f = NULL; usec_t last = 0; _cleanup_close_ int fsckd_fd = -1; @@ -153,11 +153,13 @@ static int process_progress(int fd, dev_t device_num) { while (!feof(f)) { int pass; + size_t buflen; size_t cur, max; - ssize_t n; + ssize_t r; usec_t t; _cleanup_free_ char *device = NULL; FsckProgress progress; + FsckdMessage fsckd_message; if (fscanf(f, "%i %lu %lu %ms", &pass, &cur, &max, &device) != 4) break; @@ -175,9 +177,19 @@ static int process_progress(int fd, dev_t device_num) { progress.max = max; progress.pass = pass; - n = send(fsckd_fd, &progress, sizeof(FsckProgress), 0); - if (n < 0 || (size_t) n < sizeof(FsckProgress)) + r = send(fsckd_fd, &progress, sizeof(FsckProgress), 0); + if (r < 0 || (size_t) r < sizeof(FsckProgress)) log_warning_errno(errno, "Cannot communicate fsck progress to fsckd: %m"); + + /* get fsckd requests, only read when we have coherent size data */ + r = ioctl(fsckd_fd, FIONREAD, &buflen); + if (r == 0 && (size_t) buflen >= sizeof(FsckdMessage)) { + r = recv(fsckd_fd, &fsckd_message, sizeof(FsckdMessage), 0); + if (r > 0 && fsckd_message.cancel == 1) { + log_info("Request to cancel fsck from fsckd"); + kill(fsck_pid, SIGTERM); + } + } } return 0; @@ -187,6 +199,7 @@ int main(int argc, char *argv[]) { const char *cmdline[9]; int i = 0, r = EXIT_FAILURE, q; pid_t pid; + int progress_rc; siginfo_t status; _cleanup_udev_unref_ struct udev *udev = NULL; _cleanup_udev_device_unref_ struct udev_device *udev_device = NULL; @@ -328,7 +341,7 @@ int main(int argc, char *argv[]) { progress_pipe[1] = safe_close(progress_pipe[1]); if (progress_pipe[0] >= 0) { - process_progress(progress_pipe[0], st.st_rdev); + progress_rc = process_progress(progress_pipe[0], pid, st.st_rdev); progress_pipe[0] = -1; } @@ -338,13 +351,14 @@ int main(int argc, char *argv[]) { goto finish; } - if (status.si_code != CLD_EXITED || (status.si_status & ~1)) { + if (status.si_code != CLD_EXITED || (status.si_status & ~1) || progress_rc != 0) { - if (status.si_code == CLD_KILLED || status.si_code == CLD_DUMPED) + /* cancel will kill fsck (but process_progress returns 0) */ + if ((progress_rc != 0 && status.si_code == CLD_KILLED) || status.si_code == CLD_DUMPED) log_error("fsck terminated by signal %s.", signal_to_string(status.si_status)); else if (status.si_code == CLD_EXITED) log_error("fsck failed with error code %i.", status.si_status); - else + else if (progress_rc != 0) log_error("fsck failed due to unknown reason."); if (status.si_code == CLD_EXITED && (status.si_status & 2) && root_directory) @@ -355,7 +369,8 @@ int main(int argc, char *argv[]) { start_target(SPECIAL_EMERGENCY_TARGET); else { r = EXIT_SUCCESS; - log_warning("Ignoring error."); + if (progress_rc != 0) + log_warning("Ignoring error."); } } else |