diff options
| author | Chao Yu <yuchao0@huawei.com> | 2018-01-10 13:18:52 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-23 01:56:46 +0300 |
| commit | f3d98e74fcddb23dba00a88145272fc8223baaee (patch) | |
| tree | 24589242c5fd6510883f0a090ea9f253ddce9f7c /fs/f2fs | |
| parent | c4020b2da4c9e84d63e30ce5a85dc287507f0e60 (diff) | |
| download | linux-f3d98e74fcddb23dba00a88145272fc8223baaee.tar.xz | |
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 <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/data.c | 6 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 11 |
2 files changed, 11 insertions, 6 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 28a3328f1617..81fd4823a071 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1017,8 +1017,12 @@ next_block: *map->m_next_pgofs = pgofs + 1; goto sync_out; } - if (flag != F2FS_GET_BLOCK_FIEMAP) + if (flag != F2FS_GET_BLOCK_FIEMAP) { + /* for defragment case */ + if (map->m_next_pgofs) + *map->m_next_pgofs = pgofs + 1; goto sync_out; + } } } 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; } |