Messages in this thread Patch in this message | | | Subject | [PATCH] f2fs: set file as cold when file defragmentation | From | Daejun Park <> | Date | Thu, 29 Apr 2021 15:20:05 +0900 |
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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.park@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
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