projects
/
fio.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Dump actual filename in failure to open
[fio.git]
/
memory.c
diff --git
a/memory.c
b/memory.c
index 384b80617f609ca65c6f099b1c073de4c78cc20c..e5680389072e1f13910dea1b87a1d9c3bd7fd570 100644
(file)
--- a/
memory.c
+++ b/
memory.c
@@
-70,6
+70,9
@@
int allocate_io_mem(struct thread_data *td)
td->shm_id = shmget(IPC_PRIVATE, td->orig_buffer_size, flags);
if (td->shm_id < 0) {
td_verror(td, errno, "shmget");
td->shm_id = shmget(IPC_PRIVATE, td->orig_buffer_size, flags);
if (td->shm_id < 0) {
td_verror(td, errno, "shmget");
+ if (geteuid() != 0 && errno == ENOMEM)
+ log_err("fio: you may need to run this job as root\n");
+
return 1;
}
return 1;
}
@@
-93,6
+96,11
@@
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;