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f3write: suggest --max-write-rate for error EIO

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This commit is contained in:
Michel Machado 2017-12-19 11:46:32 -05:00
parent 2544c80ab0
commit 485b81ceb0
1 changed files with 8 additions and 2 deletions
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10
f3write.c
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@ -468,7 +468,7 @@ static int end_measurement(int fd, struct flow *fw)
/* Return true when disk is full. */ /* Return true when disk is full. */
static int create_and_fill_file(const char *path, long number, size_t size, static int create_and_fill_file(const char *path, long number, size_t size,
struct flow *fw) int *phas_suggested_max_write_rate, struct flow *fw)
{ {
char *full_fn; char *full_fn;
const char *filename; const char *filename;
@ -548,6 +548,10 @@ static int create_and_fill_file(const char *path, long number, size_t size,
/* Something went wrong. */ /* Something went wrong. */
assert(saved_errno); assert(saved_errno);
printf("Write failure: %s\n", strerror(saved_errno)); printf("Write failure: %s\n", strerror(saved_errno));
if (saved_errno == EIO && !*phas_suggested_max_write_rate) {
*phas_suggested_max_write_rate = true;
printf("\nWARNING:\nThe write error above may be due to your memory card overheating\nunder constant, maximum write rate. You can test this hypothesis\ntouching your memory card. If it is hot, you can try f3write\nagain, once your card has cooled down, using parameter --max-write-rate=2048\nto limit the maximum write rate to 2MB/s, or another suitable rate.\n\n");
}
return false; return false;
} }
@ -571,6 +575,7 @@ static int fill_fs(const char *path, long start_at, long end_at,
uint64_t free_space; uint64_t free_space;
struct flow fw; struct flow fw;
long i; long i;
int has_suggested_max_write_rate = max_write_rate > 0;
free_space = get_freespace(path); free_space = get_freespace(path);
pr_freespace(free_space); pr_freespace(free_space);
@ -599,7 +604,8 @@ static int fill_fs(const char *path, long start_at, long end_at,
init_flow(&fw, free_space, max_write_rate, progress); init_flow(&fw, free_space, max_write_rate, progress);
for (i = start_at; i <= end_at; i++) for (i = start_at; i <= end_at; i++)
if (create_and_fill_file(path, i, GIGABYTES, &fw)) if (create_and_fill_file(path, i, GIGABYTES,
&has_suggested_max_write_rate, &fw))
break; break;
/* Final report. */ /* Final report. */