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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>
This commit is contained in:
Akinobu Mita 2010-02-28 10:59:11 +00:00 committed by Chris Mason
parent 1406e4327b
commit 91748467a5
3 changed files with 4 additions and 30 deletions
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1
fs/btrfs/ctree.h
View File

@ -2388,7 +2388,6 @@ void btrfs_sysfs_del_super(struct btrfs_fs_info *root);
ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
/* super.c */
u64 btrfs_parse_size(char *str);
int btrfs_parse_options(struct btrfs_root *root, char *options);
int btrfs_sync_fs(struct super_block *sb, int wait);

2
fs/btrfs/ioctl.c
View File

@ -776,7 +776,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
mod = 1;
sizestr++;
}
new_size = btrfs_parse_size(sizestr);
new_size = memparse(sizestr, NULL);
if (new_size == 0) {
ret = -EINVAL;
goto out_unlock;

31
fs/btrfs/super.c
View File

@ -96,31 +96,6 @@ static match_table_t tokens = {
{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 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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",