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-rw-r--r--util-linux/fstrim.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/util-linux/fstrim.c b/util-linux/fstrim.c
index 205d1e4..558a94a 100644
--- a/util-linux/fstrim.c
+++ b/util-linux/fstrim.c
@@ -70,7 +70,9 @@ int fstrim_main(int argc UNUSED_PARAM, char **argv)
;
#endif
- opts = getopt32long(argv, "^" "o:l:m:v" "\0" "=1", fstrim_longopts,
+ opts = getopt32long(argv, "^"
+ "o:l:m:v"
+ "\0" "=1", fstrim_longopts,
&arg_o, &arg_l, &arg_m
);
@@ -85,15 +87,21 @@ int fstrim_main(int argc UNUSED_PARAM, char **argv)
range.minlen = xatoull_sfx(arg_m, kmg_i_suffixes);
mp = argv[optind];
- if (find_block_device(mp)) {
+//Wwhy bother checking that it's a blockdev?
+// if (find_block_device(mp)) {
fd = xopen_nonblocking(mp);
+
+ /* On ENOTTY error, util-linux 2.31 says:
+ * "fstrim: FILE: the discard operation is not supported"
+ */
xioctl(fd, FITRIM, &range);
+
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
if (opts & OPT_v)
printf("%s: %llu bytes trimmed\n", mp, (unsigned long long)range.len);
return EXIT_SUCCESS;
- }
+// }
return EXIT_FAILURE;
}