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f2fs_io: exit if system(3) is failed

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Exit the request, if system(3) is failed to be executed.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2019-03-23 19:23:40 +09:00
parent fec5a029b1
commit e87d54e90d
1 changed files with 8 additions and 4 deletions
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12
tools/f2fs_io/f2fs_io.c
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@ -374,19 +374,23 @@ static void do_gc_urgent(int argc, char **argv, const struct cmd_desc *cmd)
if (argc == 3 && !strcmp(argv[2], "start")) {
printf("gc_urgent: start on %s\n", argv[1]);
sprintf(command, "echo %d > %s/%s/gc_urgent", 1, "/sys/fs/f2fs/", argv[1]);
system(command);
if (system(command))
exit(1);
} else if (argc == 3 && !strcmp(argv[2], "end")) {
printf("gc_urgent: end on %s\n", argv[1]);
sprintf(command, "echo %d > %s/%s/gc_urgent", 0, "/sys/fs/f2fs/", argv[1]);
system(command);
if (system(command))
exit(1);
} else if (argc == 4 && !strcmp(argv[2], "run")) {
printf("gc_urgent: start on %s for %d secs\n", argv[1], atoi(argv[3]));
sprintf(command, "echo %d > %s/%s/gc_urgent", 1, "/sys/fs/f2fs/", argv[1]);
system(command);
if (system(command))
exit(1);
sleep(atoi(argv[3]));
printf("gc_urgent: end on %s for %d secs\n", argv[1], atoi(argv[3]));
sprintf(command, "echo %d > %s/%s/gc_urgent", 0, "/sys/fs/f2fs/", argv[1]);
system(command);
if (system(command))
exit(1);
} else {
fputs("Excess arguments\n\n", stderr);
fputs(cmd->cmd_help, stderr);