We expect cold files write data sequentially, but sometimes some of small data can be updated, which incurs fragmentation. Let's avoid that. Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/segment.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 6b871b492fd5..7f700e54b77d 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -577,6 +577,10 @@ static inline bool need_inplace_update_policy(struct inode *inode, if (test_opt(sbi, LFS)) return false; + /* if this is cold file, we should overwrite to avoid fragmentation */ + if (file_is_cold(inode)) + return true; + if (policy & (0x1 << F2FS_IPU_FORCE)) return true; if (policy & (0x1 << F2FS_IPU_SSR) && need_SSR(sbi)) -- 2.13.0.rc1.294.g07d810a77f-goog
