diff options
Diffstat (limited to 'fs/f2fs/node.c')
| -rw-r--r-- | fs/f2fs/node.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index d9ba1db2d01e..e5044eec8097 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1762,6 +1762,47 @@ out: return ret ? -EIO: 0; } +static int f2fs_match_ino(struct inode *inode, unsigned long ino, void *data) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + bool clean; + + if (inode->i_ino != ino) + return 0; + + if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) + return 0; + + spin_lock(&sbi->inode_lock[DIRTY_META]); + clean = list_empty(&F2FS_I(inode)->gdirty_list); + spin_unlock(&sbi->inode_lock[DIRTY_META]); + + if (clean) + return 0; + + inode = igrab(inode); + if (!inode) + return 0; + return 1; +} + +static bool flush_dirty_inode(struct page *page) +{ + struct f2fs_sb_info *sbi = F2FS_P_SB(page); + struct inode *inode; + nid_t ino = ino_of_node(page); + + inode = find_inode_nowait(sbi->sb, ino, f2fs_match_ino, NULL); + if (!inode) + return false; + + f2fs_update_inode(inode, page); + unlock_page(page); + + iput(inode); + return true; +} + int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, bool do_balance, enum iostat_type io_type) @@ -1785,6 +1826,7 @@ next_step: for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; bool submitted = false; + bool may_dirty = true; /* give a priority to WB_SYNC threads */ if (atomic_read(&sbi->wb_sync_req[NODE]) && @@ -1832,6 +1874,13 @@ continue_unlock: goto lock_node; } + /* flush dirty inode */ + if (IS_INODE(page) && may_dirty) { + may_dirty = false; + if (flush_dirty_inode(page)) + goto lock_node; + } + f2fs_wait_on_page_writeback(page, NODE, true, true); if (!clear_page_dirty_for_io(page)) |