btrfs: use memparse
Use memparse() instead of its own private implementation.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index ff3dd55..9ac612e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -96,31 +96,6 @@
{Opt_err, NULL},
};
-u64 btrfs_parse_size(char *str)
-{
- u64 res;
- int mult = 1;
- char *end;
- char last;
-
- res = simple_strtoul(str, &end, 10);
-
- last = end[0];
- if (isalpha(last)) {
- last = tolower(last);
- switch (last) {
- case 'g':
- mult *= 1024;
- case 'm':
- mult *= 1024;
- case 'k':
- mult *= 1024;
- }
- res = res * mult;
- }
- return res;
-}
-
/*
* Regular mount options parser. Everything that is needed only when
* reading in a new superblock is parsed here.
@@ -216,7 +191,7 @@
case Opt_max_extent:
num = match_strdup(&args[0]);
if (num) {
- info->max_extent = btrfs_parse_size(num);
+ info->max_extent = memparse(num, NULL);
kfree(num);
info->max_extent = max_t(u64,
@@ -228,7 +203,7 @@
case Opt_max_inline:
num = match_strdup(&args[0]);
if (num) {
- info->max_inline = btrfs_parse_size(num);
+ info->max_inline = memparse(num, NULL);
kfree(num);
if (info->max_inline) {
@@ -243,7 +218,7 @@
case Opt_alloc_start:
num = match_strdup(&args[0]);
if (num) {
- info->alloc_start = btrfs_parse_size(num);
+ info->alloc_start = memparse(num, NULL);
kfree(num);
printk(KERN_INFO
"btrfs: allocations start at %llu\n",