Re: [PATCH] Btrfs: use arg gfp_mask to decide how to allocate tree mod

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On Sun, May 05, 2013 at 15:58 (+0200), Wang Shilong wrote:
> It seems the original code doesn't pass the right arg gfp_t to decide how to allocate.
> Just applying this patch, fsstress will fail. So please ignore this patch, will resend later..

That's in fact what the comment above the line you changed implies :-)

-Jan

> Thanks,
> Wang
> 
>> From: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
>>
>> We have passed arg gfp_mask to tree_mod_alloc(), so
>> just use it rather than always use GFP_ATOMIC.
>>
>> Signed-off-by: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
>> ---
>> fs/btrfs/ctree.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
>> index de6de8e..0e3514f 100644
>> --- a/fs/btrfs/ctree.c
>> +++ b/fs/btrfs/ctree.c
>> @@ -553,7 +553,7 @@ static inline int tree_mod_alloc(struct btrfs_fs_info *fs_info, gfp_t flags,
>> 	 * once we switch from spin locks to something different, we should
>> 	 * honor the flags parameter here.
>> 	 */
>> -	tm = *tm_ret = kzalloc(sizeof(*tm), GFP_ATOMIC);
>> +	tm = *tm_ret = kzalloc(sizeof(*tm), flags);
>> 	if (!tm)
>> 		return -ENOMEM;
>>
>> -- 
>> 1.7.11.7
>>
> 
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