diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-03-31 21:11:00 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2025-04-28 15:26:31 +0000 |
| commit | 5d895f7beae94f875573e1408d129795077ae20f (patch) | |
| tree | b77c25fd62a6c1f3929d0472f14e547a7308a566 | |
| parent | 4a2c49d2cbb92706ba0f03f034c7c712c37d72ce (diff) | |
f2fs: Use folios in do_garbage_collect()
Get a folio instead of a page and operate on folios throughout.
Remove six calls to compound_head() and use folio_put_refs() to put
both references we hold at the same time, reducing the number of atomic
operations we do.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/gc.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 171b6f9a2fbc..4e611f39d673 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1719,8 +1719,6 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, struct gc_inode_list *gc_list, int gc_type, bool force_migrate, bool one_time) { - struct page *sum_page; - struct f2fs_summary_block *sum; struct blk_plug plug; unsigned int segno = start_segno; unsigned int end_segno = start_segno + SEGS_PER_SEC(sbi); @@ -1770,40 +1768,40 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, /* reference all summary page */ while (segno < end_segno) { - sum_page = f2fs_get_sum_page(sbi, segno++); - if (IS_ERR(sum_page)) { - int err = PTR_ERR(sum_page); + struct folio *sum_folio = f2fs_get_sum_folio(sbi, segno++); + if (IS_ERR(sum_folio)) { + int err = PTR_ERR(sum_folio); end_segno = segno - 1; for (segno = start_segno; segno < end_segno; segno++) { - sum_page = find_get_page(META_MAPPING(sbi), + sum_folio = filemap_get_folio(META_MAPPING(sbi), GET_SUM_BLOCK(sbi, segno)); - f2fs_put_page(sum_page, 0); - f2fs_put_page(sum_page, 0); + folio_put_refs(sum_folio, 2); } return err; } - unlock_page(sum_page); + folio_unlock(sum_folio); } blk_start_plug(&plug); for (segno = start_segno; segno < end_segno; segno++) { + struct f2fs_summary_block *sum; /* find segment summary of victim */ - sum_page = find_get_page(META_MAPPING(sbi), + struct folio *sum_folio = filemap_get_folio(META_MAPPING(sbi), GET_SUM_BLOCK(sbi, segno)); - f2fs_put_page(sum_page, 0); if (get_valid_blocks(sbi, segno, false) == 0) goto freed; if (gc_type == BG_GC && __is_large_section(sbi) && migrated >= sbi->migration_granularity) goto skip; - if (!PageUptodate(sum_page) || unlikely(f2fs_cp_error(sbi))) + if (!folio_test_uptodate(sum_folio) || + unlikely(f2fs_cp_error(sbi))) goto skip; - sum = page_address(sum_page); + sum = folio_address(sum_folio); if (type != GET_SUM_TYPE((&sum->footer))) { f2fs_err(sbi, "Inconsistent segment (%u) type [%d, %d] in SSA and SIT", segno, type, GET_SUM_TYPE((&sum->footer))); @@ -1841,7 +1839,7 @@ freed: (segno + 1 < sec_end_segno) ? segno + 1 : NULL_SEGNO; skip: - f2fs_put_page(sum_page, 0); + folio_put_refs(sum_folio, 2); } if (submitted) |