On 2018年02月23日 09:12, Holger Hoffstätte wrote:
> On 02/22/18 05:52, Qu Wenruo wrote:
>> btrfs_read_block_groups() is used to build up the block group cache for
>> all block groups, so it will iterate all block group items in extent
>> tree.
>>
>> For large filesystem (TB level), it will search fo
On 02/22/18 05:52, Qu Wenruo wrote:
> btrfs_read_block_groups() is used to build up the block group cache for
> all block groups, so it will iterate all block group items in extent
> tree.
>
> For large filesystem (TB level), it will search for BLOCK_GROUP_ITEM
> thousands times, which is the most
On 02/22/18 05:52, Qu Wenruo wrote:
> btrfs_read_block_groups() is used to build up the block group cache for
> all block groups, so it will iterate all block group items in extent
> tree.
>
> For large filesystem (TB level), it will search for BLOCK_GROUP_ITEM
> thousands times, which is the most