Subject: Re: linux-next: Tree for Aug 13 (xfs)

From: Eric Sandeen <[email-masked]>
Date: Tue, 13 Aug 2013 13:34:25 -0500

On 8/13/13 11:59 AM, Randy Dunlap wrote:
> On 08/13/13 01:28, Stephen Rothwell wrote:
>> Hi all,
>>
>> Changes since 20130812:
>>
> 
> on i386:
> 
> fs/built-in.o: In function `xfs_log_calc_minimum_size':
> (.text+0x1797a9): undefined reference to `__udivdi3'
> 
> 

See:

[PATCH] xfs: call roundup_64() to calculate the min_logblks

on the xfs list:

From: Jie Liu <[email-masked]>

Replace roundup() with roundup_64() as we calculate min_logblks
with 64-bit divisions.  Hence, call roundup() will cause the
following error while compiling a 32-bit kernel:

fs/built-in.o: In function `xfs_log_calc_minimum_size':
fs/xfs/xfs_log_rlimit.c:140: undefined reference to `__udivdi3'

Reported-by: Fengguang Wu <[email-masked]>
Cc: Dave Chinner <[email-masked]>
Signed-off-by: Jie Liu <[email-masked]>
---
 fs/xfs/xfs_log_rlimit.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_log_rlimit.c b/fs/xfs/xfs_log_rlimit.c
index 6b17ef4..bbcec0b 100644
--- a/fs/xfs/xfs_log_rlimit.c
+++ b/fs/xfs/xfs_log_rlimit.c
@@ -136,10 +136,12 @@ xfs_log_calc_minimum_size(
 	 * Also, the log size should be a multiple of the log stripe unit, round
 	 * it up to lsunit boundary if lsunit is specified.
 	 */
-	if (lsunit)
-		min_logblks = roundup(BTOBB(max_logres), lsunit) + 2 * lsunit;
-	else
+	if (lsunit) {
+		min_logblks = roundup_64(BTOBB(max_logres), lsunit) +
+			      2 * lsunit;
+	} else
 		min_logblks = BTOBB(max_logres) + 2 * BBSIZE;
 	min_logblks *= XFS_MIN_LOG_FACTOR;
+
 	return XFS_BB_TO_FSB(mp, min_logblks);
 }
-- 

-Eric

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