On Fri, Nov 22, 2019 at 10:52:53AM +0000, Lee Jones wrote:
From: Jan Kara <jack@xxxxxxx> [ Upstream commit 3abb1a0fc2871f2db52199e1748a1d48a54a3427 ] These days inode reclaim calls evict_inode() only when it has no pages in the mapping. In that case it is not necessary to wait for transaction commit in ext4_evict_inode() as there can be no pages waiting to be committed. So avoid unnecessary transaction waiting in that case. We still have to keep the check for the case where ext4_evict_inode() gets called from other paths (e.g. umount) where inode still can have some page cache pages.
This reads to me like an optimization? -- Thanks, Sasha