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-rw-r--r--lib/bitmap.c22
-rw-r--r--lib/string_helpers.c34
2 files changed, 41 insertions, 15 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 482df94ea21e..1338469ac849 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -996,3 +996,25 @@ int bitmap_allocate_region(unsigned long *bitmap, int pos, int order)
return 0;
}
EXPORT_SYMBOL(bitmap_allocate_region);
+
+/**
+ * bitmap_copy_le - copy a bitmap, putting the bits into little-endian order.
+ * @dst: destination buffer
+ * @src: bitmap to copy
+ * @nbits: number of bits in the bitmap
+ *
+ * Require nbits % BITS_PER_LONG == 0.
+ */
+void bitmap_copy_le(void *dst, const unsigned long *src, int nbits)
+{
+ unsigned long *d = dst;
+ int i;
+
+ for (i = 0; i < nbits/BITS_PER_LONG; i++) {
+ if (BITS_PER_LONG == 64)
+ d[i] = cpu_to_le64(src[i]);
+ else
+ d[i] = cpu_to_le32(src[i]);
+ }
+}
+EXPORT_SYMBOL(bitmap_copy_le);
diff --git a/lib/string_helpers.c b/lib/string_helpers.c
index 8347925030ff..ab431d4cc970 100644
--- a/lib/string_helpers.c
+++ b/lib/string_helpers.c
@@ -23,7 +23,7 @@
int string_get_size(u64 size, const enum string_size_units units,
char *buf, int len)
{
- const char *units_10[] = { "B", "KB", "MB", "GB", "TB", "PB",
+ const char *units_10[] = { "B", "kB", "MB", "GB", "TB", "PB",
"EB", "ZB", "YB", NULL};
const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB",
"EiB", "ZiB", "YiB", NULL };
@@ -31,7 +31,7 @@ int string_get_size(u64 size, const enum string_size_units units,
[STRING_UNITS_10] = units_10,
[STRING_UNITS_2] = units_2,
};
- const int divisor[] = {
+ const unsigned int divisor[] = {
[STRING_UNITS_10] = 1000,
[STRING_UNITS_2] = 1024,
};
@@ -40,23 +40,27 @@ int string_get_size(u64 size, const enum string_size_units units,
char tmp[8];
tmp[0] = '\0';
+ i = 0;
+ if (size >= divisor[units]) {
+ while (size >= divisor[units] && units_str[units][i]) {
+ remainder = do_div(size, divisor[units]);
+ i++;
+ }
- for (i = 0; size > divisor[units] && units_str[units][i]; i++)
- remainder = do_div(size, divisor[units]);
+ sf_cap = size;
+ for (j = 0; sf_cap*10 < 1000; j++)
+ sf_cap *= 10;
- sf_cap = size;
- for (j = 0; sf_cap*10 < 1000; j++)
- sf_cap *= 10;
-
- if (j) {
- remainder *= 1000;
- do_div(remainder, divisor[units]);
- snprintf(tmp, sizeof(tmp), ".%03lld",
- (unsigned long long)remainder);
- tmp[j+1] = '\0';
+ if (j) {
+ remainder *= 1000;
+ do_div(remainder, divisor[units]);
+ snprintf(tmp, sizeof(tmp), ".%03lld",
+ (unsigned long long)remainder);
+ tmp[j+1] = '\0';
+ }
}
- snprintf(buf, len, "%lld%s%s", (unsigned long long)size,
+ snprintf(buf, len, "%lld%s %s", (unsigned long long)size,
tmp, units_str[units][i]);
return 0;