From f3d98e74fcddb23dba00a88145272fc8223baaee Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 10 Jan 2018 18:18:52 +0800 Subject: f2fs: speed up defragment on sparse file We have supported to get next page offset with valid mapping crossing hole in f2fs_map_blocks, utilizing it to speed up defragment on sparse file. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'fs/f2fs/file.c') diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 58c9e3d8b8ec..9553f80dc677 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2071,10 +2071,10 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, struct f2fs_defragment *range) { struct inode *inode = file_inode(filp); - struct f2fs_map_blocks map = { .m_next_pgofs = NULL, - .m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE }; + struct f2fs_map_blocks map = { .m_next_extent = NULL, + .m_seg_type = NO_CHECK_TYPE }; struct extent_info ei = {0,0,0}; - pgoff_t pg_start, pg_end; + pgoff_t pg_start, pg_end, next_pgofs; unsigned int blk_per_seg = sbi->blocks_per_seg; unsigned int total = 0, sec_num; block_t blk_end = 0; @@ -2108,6 +2108,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, } map.m_lblk = pg_start; + map.m_next_pgofs = &next_pgofs; /* * lookup mapping info in dnode page cache, skip defragmenting if all @@ -2121,7 +2122,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, goto out; if (!(map.m_flags & F2FS_MAP_FLAGS)) { - map.m_lblk++; + map.m_lblk = next_pgofs; continue; } @@ -2166,7 +2167,7 @@ do_map: goto clear_out; if (!(map.m_flags & F2FS_MAP_FLAGS)) { - map.m_lblk++; + map.m_lblk = next_pgofs; continue; } -- cgit v1.2.3