diff options
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1e264e761f71..9993f94848fc 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -335,13 +335,26 @@ static void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno) mutex_unlock(&dirty_i->seglist_lock); } -static void f2fs_issue_discard(struct f2fs_sb_info *sbi, +static int f2fs_issue_discard(struct f2fs_sb_info *sbi, block_t blkstart, block_t blklen) { sector_t start = SECTOR_FROM_BLOCK(sbi, blkstart); sector_t len = SECTOR_FROM_BLOCK(sbi, blklen); - blkdev_issue_discard(sbi->sb->s_bdev, start, len, GFP_NOFS, 0); trace_f2fs_issue_discard(sbi->sb, blkstart, blklen); + return blkdev_issue_discard(sbi->sb->s_bdev, start, len, GFP_NOFS, 0); +} + +void discard_next_dnode(struct f2fs_sb_info *sbi) +{ + struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE); + block_t blkaddr = NEXT_FREE_BLKADDR(sbi, curseg); + + if (f2fs_issue_discard(sbi, blkaddr, 1)) { + struct page *page = grab_meta_page(sbi, blkaddr); + /* zero-filled page */ + set_page_dirty(page); + f2fs_put_page(page, 1); + } } static void add_discard_addrs(struct f2fs_sb_info *sbi, |