diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/segment.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 2c40ce132895..342e0f761d8f 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -486,7 +486,20 @@ static int f2fs_issue_discard(struct f2fs_sb_info *sbi, void discard_next_dnode(struct f2fs_sb_info *sbi, block_t blkaddr) { - if (f2fs_issue_discard(sbi, blkaddr, 1)) { + int err = -ENOTSUPP; + + if (test_opt(sbi, DISCARD)) { + struct seg_entry *se = get_seg_entry(sbi, + GET_SEGNO(sbi, blkaddr)); + unsigned int offset = GET_BLKOFF_FROM_SEG0(sbi, blkaddr); + + if (f2fs_test_bit(offset, se->discard_map)) + return; + + err = f2fs_issue_discard(sbi, blkaddr, 1); + } + + if (err) { struct page *page = grab_meta_page(sbi, blkaddr); /* zero-filled page */ set_page_dirty(page); |