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Merge pull request #227 from breuner/fix-mdtest-directio 

mdtest: allocate aligned buffers to support DirectIO
master
Glenn K. Lockwood 2020-06-02 15:06:50 -07:00 committed by GitHub
parent a369d94037 3eb488939d
commit 9f07265d1e
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1 changed files with 4 additions and 4 deletions
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8
src/mdtest.c
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@ -633,8 +633,8 @@ void mdtest_read(int random, int dirs, const long dir_iter, char *path) {
/* allocate read buffer */
if (read_bytes > 0) {
read_buffer = (char *)malloc(read_bytes);
if (read_buffer == NULL) {
int alloc_res = posix_memalign((void**)&read_buffer, sysconf(_SC_PAGESIZE), write_bytes);
if (alloc_res) {
FAIL("out of memory");
}
@ -2125,8 +2125,8 @@ mdtest_results_t * mdtest_run(int argc, char **argv, MPI_Comm world_com, FILE *
/* allocate and initialize write buffer with # */
if (write_bytes > 0) {
write_buffer = (char *)malloc(write_bytes);
if (write_buffer == NULL) {
int alloc_res = posix_memalign((void**)&write_buffer, sysconf(_SC_PAGESIZE), write_bytes);
if (alloc_res) {
FAIL("out of memory");
}
generate_memory_pattern(write_buffer, write_bytes);