On 8/28/2025 11:23 PM, Jaegeuk Kim wrote:
On 08/28, Chao Yu wrote:
On 8/28/25 05:52, Jaegeuk Kim via Linux-f2fs-devel wrote:
Let's split IPU writes in hot data area to improve the GC efficiency.

I didn't get it, IPU may be not friendly for migrating data along w/ write in
hot area?

This deals with IPU in the LFS mode.

Okay, so, we missed to add f2fs_lfs_mode() condition, right?

Thanks,



Thanks,


Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
  fs/f2fs/segment.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e0f6589c6a1c..bb79dad55ac9 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3688,7 +3688,8 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
if (file_is_hot(inode) ||
                                is_inode_flag_set(inode, FI_HOT_DATA) ||
-                               f2fs_is_cow_file(inode))
+                               f2fs_is_cow_file(inode) ||
+                               is_inode_flag_set(inode, FI_NEED_IPU))
                        return CURSEG_HOT_DATA;
                return f2fs_rw_hint_to_seg_type(F2FS_I_SB(inode),
                                                inode->i_write_hint);



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