TheCloud/f3
1
0
Fork 0
mirror of https://github.com/AltraMayor/f3.git synced 2025-08-03 02:25:56 -04:00
Code Issues Packages Projects Releases Wiki Activity

f3read: report errors coming from fdatasync()

Browse Source 
Errors coming from fdatasync() are unexpected, but according to
issue https://github.com/AltraMayor/f3/issues/211 they happen.
This patch just reports the error and general guidance to users.
This commit is contained in:
Michel Machado 2023-09-04 14:34:24 -04:00
parent 964ae86917
commit 6609119cc3
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
f3read.c
View File

@ -259,7 +259,15 @@ static void validate_file(const char *path, int number, struct flow *fw,
* even when testing small memory cards without a remount, and
* we should have a better reading-speed measurement.
*/
assert(!fdatasync(fd));
if (fdatasync(fd) < 0) {
int saved_errno = errno;
/* The issue https://github.com/AltraMayor/f3/issues/211
* motivated the warning below.
*/
printf("\nWARNING:\nThe operating system returned errno=%i for fdatasync(): %s\nThis error is unexpected and you may find more information on the log of the kernel (e.g. command dmesg(1) on Linux).\n\n",
saved_errno, strerror(saved_errno));
exit(saved_errno);
}
assert(!posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED));
/* Help the kernel to help us. */