On 4/15/21 1:04 AM, Qu Wenruo wrote:
Currently btrfs uses page Private2 bit to incidate if we have ordered
extent for the page range.
But the lifespan of it is not consistent, during regular writeback path,
there are two locations to clear the same PagePrivate2:
T - Page marked Dirty
Currently btrfs uses page Private2 bit to incidate if we have ordered
extent for the page range.
But the lifespan of it is not consistent, during regular writeback path,
there are two locations to clear the same PagePrivate2:
T - Page marked Dirty
|
+ - Page marked Private2, t
