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sg engine: errno return value fixes
[fio.git]
/
memory.c
diff --git
a/memory.c
b/memory.c
index be664c9c22a40285cd07c6f7f69da120408618d7..8d6f95579a3366cb633226237965c5de971243e4 100644
(file)
--- a/
memory.c
+++ b/
memory.c
@@
-72,6
+72,8
@@
int allocate_io_mem(struct thread_data *td)
td_verror(td, errno, "shmget");
if (geteuid() != 0 && errno == ENOMEM)
log_err("fio: you may need to run this job as root\n");
td_verror(td, errno, "shmget");
if (geteuid() != 0 && errno == ENOMEM)
log_err("fio: you may need to run this job as root\n");
+ if (errno == EINVAL && td->o.mem_type == MEM_SHMHUGE)
+ log_err("fio: check that you have free huge pages and that hugepage-size is correct.\n");
return 1;
}
return 1;
}
@@
-96,6
+98,11
@@
int allocate_io_mem(struct thread_data *td)
td->orig_buffer = NULL;
return 1;
}
td->orig_buffer = NULL;
return 1;
}
+ if (ftruncate(td->mmapfd, td->orig_buffer_size) < 0) {
+ td_verror(td, errno, "truncate mmap file");
+ td->orig_buffer = NULL;
+ return 1;
+ }
} else
flags |= OS_MAP_ANON;
} else
flags |= OS_MAP_ANON;