On 04/13/2015 03:21 PM, Jan Kara wrote:
<>
>> -struct backing_dev_info *inode_to_bdi(struct inode *inode);
>> +struct backing_dev_info *__inode_to_bdi(struct inode *inode);
>> +
>> +static inline
>> +struct backing_dev_info *inode_to_bdi(struct inode *inode)
>> +{
>> + if (!inode || !inode->i_sb)
>> + return __inode_to_bdi(inode);
>> +
>> + return inode->i_sb->s_bdi;
>> +}
> This is wrong for block-device inodes, isn't it?
Rrr yes my bad I meant
+struct backing_dev_info *inode_to_bdi(struct inode *inode)
+{
+ if (!inode || !inode->i_sb || !inode->i_sb->s_bdi)
+ return __inode_to_bdi(inode);
+
+ return inode->i_sb->s_bdi;
+}
I was hopping that blockdev_superblock->s_bdi == NULL
because what sb_is_blkdev_sb() is doing is checking
for blockdev_superblock.
>From code audit I do not see where it might be set but
I might have missed it.
Thanks Jan
Boaz
>
> Honza
>
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