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>
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1406e4327b
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91748467a5
3 changed files with 4 additions and 30 deletions
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@ -2388,7 +2388,6 @@ void btrfs_sysfs_del_super(struct btrfs_fs_info *root);
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ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
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/* super.c */
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u64 btrfs_parse_size(char *str);
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int btrfs_parse_options(struct btrfs_root *root, char *options);
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int btrfs_sync_fs(struct super_block *sb, int wait);
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@ -776,7 +776,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
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mod = 1;
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sizestr++;
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}
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new_size = btrfs_parse_size(sizestr);
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new_size = memparse(sizestr, NULL);
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if (new_size == 0) {
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ret = -EINVAL;
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goto out_unlock;
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@ -96,31 +96,6 @@ static match_table_t tokens = {
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{Opt_err, NULL},
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};
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u64 btrfs_parse_size(char *str)
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{
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u64 res;
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int mult = 1;
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char *end;
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char last;
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res = simple_strtoul(str, &end, 10);
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last = end[0];
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if (isalpha(last)) {
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last = tolower(last);
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switch (last) {
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case 'g':
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mult *= 1024;
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case 'm':
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mult *= 1024;
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case 'k':
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mult *= 1024;
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}
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res = res * mult;
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}
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return res;
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}
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/*
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* Regular mount options parser. Everything that is needed only when
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* reading in a new superblock is parsed here.
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@ -216,7 +191,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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case Opt_max_extent:
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num = match_strdup(&args[0]);
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if (num) {
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info->max_extent = btrfs_parse_size(num);
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info->max_extent = memparse(num, NULL);
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kfree(num);
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info->max_extent = max_t(u64,
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@ -228,7 +203,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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case Opt_max_inline:
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num = match_strdup(&args[0]);
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if (num) {
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info->max_inline = btrfs_parse_size(num);
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info->max_inline = memparse(num, NULL);
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kfree(num);
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if (info->max_inline) {
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@ -243,7 +218,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
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case Opt_alloc_start:
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num = match_strdup(&args[0]);
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if (num) {
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info->alloc_start = btrfs_parse_size(num);
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info->alloc_start = memparse(num, NULL);
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kfree(num);
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printk(KERN_INFO
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"btrfs: allocations start at %llu\n",
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