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HOWTO: minor fixes and backports from man page
[fio.git]
/
memory.c
diff --git
a/memory.c
b/memory.c
index 22a7f5ddde6c1dc785d9a6f37ad4a16d53cb38ec..04dc3be8bfda1b312298591bff312d8d2b39912a 100644
(file)
--- a/
memory.c
+++ b/
memory.c
@@
-138,6
+138,9
@@
static int alloc_mem_mmap(struct thread_data *td, size_t total_mem)
}
if (td->o.mmapfile) {
}
if (td->o.mmapfile) {
+ if (access(td->o.mmapfile, F_OK) == 0)
+ td->flags |= TD_F_MMAP_KEEP;
+
td->mmapfd = open(td->o.mmapfile, O_RDWR|O_CREAT, 0644);
if (td->mmapfd < 0) {
td->mmapfd = open(td->o.mmapfile, O_RDWR|O_CREAT, 0644);
if (td->mmapfd < 0) {
@@
-169,7
+172,7
@@
static int alloc_mem_mmap(struct thread_data *td, size_t total_mem)
td->orig_buffer = NULL;
if (td->mmapfd != 1 && td->mmapfd != -1) {
close(td->mmapfd);
td->orig_buffer = NULL;
if (td->mmapfd != 1 && td->mmapfd != -1) {
close(td->mmapfd);
- if (td->o.mmapfile)
+ if (td->o.mmapfile
&& !(td->flags & TD_F_MMAP_KEEP)
)
unlink(td->o.mmapfile);
}
unlink(td->o.mmapfile);
}
@@
-187,7
+190,8
@@
static void free_mem_mmap(struct thread_data *td, size_t total_mem)
if (td->o.mmapfile) {
if (td->mmapfd != -1)
close(td->mmapfd);
if (td->o.mmapfile) {
if (td->mmapfd != -1)
close(td->mmapfd);
- unlink(td->o.mmapfile);
+ if (!(td->flags & TD_F_MMAP_KEEP))
+ unlink(td->o.mmapfile);
free(td->o.mmapfile);
}
}
free(td->o.mmapfile);
}
}