On 13/06/14 03:42, Gui Hecheng wrote:
For modern filesystems such as btrfs, t/p/e size level operations are common. add size unit t/p/e parsing to memparseSigned-off-by: Gui Hecheng <guihc.f...@cn.fujitsu.com> --- changelog v1->v2: replace kilobyte with kibibyte, and others v2->v3: add missing unit "bytes" in comment v3->v4: remove idiotic name for K,M,G,P,T,E --- lib/cmdline.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/lib/cmdline.c b/lib/cmdline.c index d4932f7..76a712e 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -121,11 +121,7 @@ EXPORT_SYMBOL(get_options); * @retptr: (output) Optional pointer to next char after parse completes * * Parses a string into a number. The number stored at @ptr is - * potentially suffixed with %K (for kilobytes, or 1024 bytes), - * %M (for megabytes, or 1048576 bytes), or %G (for gigabytes, or - * 1073741824). If the number is suffixed with K, M, or G, then - * the return value is the number multiplied by one kilobyte, one - * megabyte, or one gigabyte, respectively. + * potentially suffixed with K, M, G, T, P, E. */unsigned long long memparse(const char *ptr, char **retptr)@@ -135,6 +131,15 @@ unsigned long long memparse(const char *ptr, char **retptr) unsigned long long ret = simple_strtoull(ptr, &endptr, 0);switch (*endptr) {+ case 'E': + case 'e': + ret <<= 10; + case 'P': + case 'p': + ret <<= 10; + case 'T': + case 't': + ret <<= 10; case 'G': case 'g': ret <<= 10;
Ah, I see - you've removed all reference to their names. That's good too. :) -- __________ Brendan Hide http://swiftspirit.co.za/ http://www.webafrica.co.za/?AFF1E97 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
