In file defragmentation by ioctl, all data blocks in the file are re-written out-of-place. File defragmentation implies user will not update and mostly read the file. So before the defragmentation, we set file temperature as cold for better block allocation.
Signed-off-by: Daejun Park <daejun7.p...@samsung.com> --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index d697c8900fa7..dcac965a05fe 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2669,6 +2669,9 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, map.m_len = pg_end - pg_start; total = 0; + if (!file_is_cold(inode)) + file_set_cold(inode); + while (map.m_lblk < pg_end) { pgoff_t idx; int cnt = 0; -- 2.25.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel