linux-ext4 - Re: [PATCH 4/5] mke2fs: teach mke2fs to understand -b 4k and -C 256M

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Message-ID: <50F57214.3050101@redhat.com>
Date:	Tue, 15 Jan 2013 09:13:24 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
CC:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	gnehzuil.liu@...il.com
Subject: Re: [PATCH 4/5] mke2fs: teach mke2fs to understand -b 4k and -C 256M

On 1/15/13 9:11 AM, Eric Sandeen wrote:
> On 1/14/13 6:37 PM, Theodore Ts'o wrote:
>> The -b and -C options now use parse_num_blocks2() insteda of strtol,
>> so that users can specify -C 256M instead of the much less convenient
>> -C 268435456.
> 
> Hm and -C isn't in the manpage at all.
> 
> Seems like the mke2fs manpage needs an update for bigalloc?

I'm sorry, I see that patch has already been sent.  I'll catch
up with my email, now.  :(

-Eric

> -Eric
> 
>> Signed-off-by: "Theodore Ts'o" <tytso@....edu>
>> ---
>>  misc/mke2fs.c | 8 ++++----
>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/misc/mke2fs.c b/misc/mke2fs.c
>> index 5cb49b3..c16ab33 100644
>> --- a/misc/mke2fs.c
>> +++ b/misc/mke2fs.c
>> @@ -1324,10 +1324,10 @@ profile_error:
>>  		    "b:cg:i:jl:m:no:qr:s:t:vC:DE:FG:I:J:KL:M:N:O:R:ST:U:V")) != EOF) {
>>  		switch (c) {
>>  		case 'b':
>> -			blocksize = strtol(optarg, &tmp, 0);
>> +			blocksize = parse_num_blocks2(optarg, -1);
>>  			b = (blocksize > 0) ? blocksize : -blocksize;
>>  			if (b < EXT2_MIN_BLOCK_SIZE ||
>> -			    b > EXT2_MAX_BLOCK_SIZE || *tmp) {
>> +			    b > EXT2_MAX_BLOCK_SIZE) {
>>  				com_err(program_name, 0,
>>  					_("invalid block size - %s"), optarg);
>>  				exit(1);
>> @@ -1345,9 +1345,9 @@ profile_error:
>>  			cflag++;
>>  			break;
>>  		case 'C':
>> -			cluster_size = strtoul(optarg, &tmp, 0);
>> +			cluster_size = parse_num_blocks2(optarg, -1);
>>  			if (cluster_size <= EXT2_MIN_CLUSTER_SIZE ||
>> -			    cluster_size > EXT2_MAX_CLUSTER_SIZE || *tmp) {
>> +			    cluster_size > EXT2_MAX_CLUSTER_SIZE) {
>>  				com_err(program_name, 0,
>>  					_("invalid cluster size - %s"),
>>  					optarg);
>>
> 

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