diff options
Diffstat (limited to 'fs/f2fs')
-rw-r--r-- | fs/f2fs/checkpoint.c | 8 | ||||
-rw-r--r-- | fs/f2fs/data.c | 2 | ||||
-rw-r--r-- | fs/f2fs/f2fs.h | 22 | ||||
-rw-r--r-- | fs/f2fs/file.c | 5 | ||||
-rw-r--r-- | fs/f2fs/node.c | 144 | ||||
-rw-r--r-- | fs/f2fs/super.c | 6 |
6 files changed, 156 insertions, 31 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 334c6f90eaf1..551c1d1984ec 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1161,7 +1161,7 @@ static void unblock_operations(struct f2fs_sb_info *sbi) f2fs_unlock_all(sbi); } -static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi) +void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info *sbi) { DEFINE_WAIT(wait); @@ -1397,7 +1397,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_CP_META_IO); /* wait for previous submitted meta pages writeback */ - wait_on_all_pages_writeback(sbi); + f2fs_wait_on_all_pages_writeback(sbi); /* flush all device cache */ err = f2fs_flush_device_cache(sbi); @@ -1406,7 +1406,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* barrier and flush checkpoint cp pack 2 page if it can */ commit_checkpoint(sbi, ckpt, start_blk); - wait_on_all_pages_writeback(sbi); + f2fs_wait_on_all_pages_writeback(sbi); /* * invalidate intermediate page cache borrowed from meta inode @@ -1418,6 +1418,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) f2fs_release_ino_entry(sbi, false); + f2fs_reset_fsync_node_info(sbi); + clear_sbi_flag(sbi, SBI_IS_DIRTY); clear_sbi_flag(sbi, SBI_NEED_CP); __set_cp_next_pack(sbi); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b7986b2e5d1d..363520ee099a 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -177,6 +177,8 @@ static void f2fs_write_end_io(struct bio *bio) page->index != nid_of_node(page)); dec_page_count(sbi, type); + if (f2fs_in_warm_node_list(sbi, page)) + f2fs_del_fsync_node_entry(sbi, page); clear_cold_data(page); end_page_writeback(page); } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 75e81b1af2e8..1647a13be7f9 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -228,6 +228,12 @@ struct inode_entry { struct inode *inode; /* vfs inode pointer */ }; +struct fsync_node_entry { + struct list_head list; /* list head */ + struct page *page; /* warm node page pointer */ + unsigned int seq_id; /* sequence id */ +}; + /* for the bitmap indicate blocks to be discarded */ struct discard_entry { struct list_head list; /* list head */ @@ -1156,6 +1162,11 @@ struct f2fs_sb_info { struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ + spinlock_t fsync_node_lock; /* for node entry lock */ + struct list_head fsync_node_list; /* node list head */ + unsigned int fsync_seg_id; /* sequence id */ + unsigned int fsync_node_num; /* number of node entries */ + /* for orphan inode, use 0'th array */ unsigned int max_orphans; /* max orphan inodes */ @@ -2827,6 +2838,10 @@ struct node_info; int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid); bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type); +bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page); +void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi); +void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page); +void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi); int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); @@ -2836,7 +2851,8 @@ pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from); int f2fs_truncate_xattr_node(struct inode *inode); -int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino); +int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, + unsigned int seq_id); int f2fs_remove_inode_page(struct inode *inode); struct page *f2fs_new_inode_page(struct inode *inode); struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs); @@ -2845,7 +2861,8 @@ struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); struct page *f2fs_get_node_page_ra(struct page *parent, int start); void f2fs_move_node_page(struct page *node_page, int gc_type); int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, - struct writeback_control *wbc, bool atomic); + struct writeback_control *wbc, bool atomic, + unsigned int *seq_id); int f2fs_sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, bool do_balance, enum iostat_type io_type); @@ -2962,6 +2979,7 @@ int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi); void f2fs_update_dirty_page(struct inode *inode, struct page *page); void f2fs_remove_dirty_inode(struct inode *inode); int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); +void f2fs_wait_on_all_pages_writeback(struct f2fs_sb_info *sbi); int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi); int __init f2fs_create_checkpoint_caches(void); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index c2c47f3248c4..a90b4f24aa28 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -213,6 +213,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, .nr_to_write = LONG_MAX, .for_reclaim = 0, }; + unsigned int seq_id = 0; if (unlikely(f2fs_readonly(inode->i_sb))) return 0; @@ -275,7 +276,7 @@ go_write: } sync_nodes: atomic_inc(&sbi->wb_sync_req[NODE]); - ret = f2fs_fsync_node_pages(sbi, inode, &wbc, atomic); + ret = f2fs_fsync_node_pages(sbi, inode, &wbc, atomic, &seq_id); atomic_dec(&sbi->wb_sync_req[NODE]); if (ret) goto out; @@ -301,7 +302,7 @@ sync_nodes: * given fsync mark. */ if (!atomic) { - ret = f2fs_wait_on_node_pages_writeback(sbi, ino); + ret = f2fs_wait_on_node_pages_writeback(sbi, seq_id); if (ret) goto out; } diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 21ffb784764c..81fb2f3edb52 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -28,6 +28,7 @@ static struct kmem_cache *nat_entry_slab; static struct kmem_cache *free_nid_slab; static struct kmem_cache *nat_entry_set_slab; +static struct kmem_cache *fsync_node_entry_slab; /* * Check whether the given nid is within node id range. @@ -264,6 +265,72 @@ static unsigned int __gang_lookup_nat_set(struct f2fs_nm_info *nm_i, start, nr); } +bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page) +{ + return NODE_MAPPING(sbi) == page->mapping && + IS_DNODE(page) && is_cold_node(page); +} + +void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi) +{ + spin_lock_init(&sbi->fsync_node_lock); + INIT_LIST_HEAD(&sbi->fsync_node_list); + sbi->fsync_seg_id = 0; + sbi->fsync_node_num = 0; +} + +static unsigned int f2fs_add_fsync_node_entry(struct f2fs_sb_info *sbi, + struct page *page) +{ + struct fsync_node_entry *fn; + unsigned long flags; + unsigned int seq_id; + + fn = f2fs_kmem_cache_alloc(fsync_node_entry_slab, GFP_NOFS); + + get_page(page); + fn->page = page; + INIT_LIST_HEAD(&fn->list); + + spin_lock_irqsave(&sbi->fsync_node_lock, flags); + list_add_tail(&fn->list, &sbi->fsync_node_list); + fn->seq_id = sbi->fsync_seg_id++; + seq_id = fn->seq_id; + sbi->fsync_node_num++; + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); + + return seq_id; +} + +void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page) +{ + struct fsync_node_entry *fn; + unsigned long flags; + + spin_lock_irqsave(&sbi->fsync_node_lock, flags); + list_for_each_entry(fn, &sbi->fsync_node_list, list) { + if (fn->page == page) { + list_del(&fn->list); + sbi->fsync_node_num--; + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); + kmem_cache_free(fsync_node_entry_slab, fn); + put_page(page); + return; + } + } + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); + f2fs_bug_on(sbi, 1); +} + +void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi) +{ + unsigned long flags; + + spin_lock_irqsave(&sbi->fsync_node_lock, flags); + sbi->fsync_seg_id = 0; + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); +} + int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid) { struct f2fs_nm_info *nm_i = NM_I(sbi); @@ -1388,7 +1455,7 @@ continue_unlock: static int __write_node_page(struct page *page, bool atomic, bool *submitted, struct writeback_control *wbc, bool do_balance, - enum iostat_type io_type) + enum iostat_type io_type, unsigned int *seq_id) { struct f2fs_sb_info *sbi = F2FS_P_SB(page); nid_t nid; @@ -1405,6 +1472,7 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, .io_type = io_type, .io_wbc = wbc, }; + unsigned int seq; trace_f2fs_writepage(page, NODE); @@ -1450,6 +1518,13 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, set_page_writeback(page); ClearPageError(page); + + if (f2fs_in_warm_node_list(sbi, page)) { + seq = f2fs_add_fsync_node_entry(sbi, page); + if (seq_id) + *seq_id = seq; + } + fio.old_blkaddr = ni.blk_addr; f2fs_do_write_node_page(nid, &fio); set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page)); @@ -1497,7 +1572,7 @@ void f2fs_move_node_page(struct page *node_page, int gc_type) goto out_page; if (__write_node_page(node_page, false, NULL, - &wbc, false, FS_GC_NODE_IO)) + &wbc, false, FS_GC_NODE_IO, NULL)) unlock_page(node_page); goto release_page; } else { @@ -1514,11 +1589,13 @@ release_page: static int f2fs_write_node_page(struct page *page, struct writeback_control *wbc) { - return __write_node_page(page, false, NULL, wbc, false, FS_NODE_IO); + return __write_node_page(page, false, NULL, wbc, false, + FS_NODE_IO, NULL); } int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, - struct writeback_control *wbc, bool atomic) + struct writeback_control *wbc, bool atomic, + unsigned int *seq_id) { pgoff_t index; pgoff_t last_idx = ULONG_MAX; @@ -1599,7 +1676,7 @@ continue_unlock: ret = __write_node_page(page, atomic && page == last_page, &submitted, wbc, true, - FS_NODE_IO); + FS_NODE_IO, seq_id); if (ret) { unlock_page(page); f2fs_put_page(last_page, 0); @@ -1716,7 +1793,7 @@ continue_unlock: set_dentry_mark(page, 0); ret = __write_node_page(page, false, &submitted, - wbc, do_balance, io_type); + wbc, do_balance, io_type, NULL); if (ret) unlock_page(page); else if (submitted) @@ -1749,35 +1826,46 @@ out: return ret; } -int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) +int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, + unsigned int seq_id) { - pgoff_t index = 0; - struct pagevec pvec; + struct fsync_node_entry *fn; + struct page *page; + struct list_head *head = &sbi->fsync_node_list; + unsigned long flags; + unsigned int cur_seq_id = 0; int ret2, ret = 0; - int nr_pages; - pagevec_init(&pvec); + while (seq_id && cur_seq_id < seq_id) { + spin_lock_irqsave(&sbi->fsync_node_lock, flags); + if (list_empty(head)) { + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); + break; + } + fn = list_first_entry(head, struct fsync_node_entry, list); + if (fn->seq_id > seq_id) { + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); + break; + } + cur_seq_id = fn->seq_id; + page = fn->page; + get_page(page); + spin_unlock_irqrestore(&sbi->fsync_node_lock, flags); - while ((nr_pages = pagevec_lookup_tag(&pvec, NODE_MAPPING(sbi), &index, - PAGECACHE_TAG_WRITEBACK))) { - int i; + f2fs_wait_on_page_writeback(page, NODE, true); + if (TestClearPageError(page)) + ret = -EIO; - for (i = 0; i < nr_pages; i++) { - struct page *page = pvec.pages[i]; + put_page(page); - if (ino && ino_of_node(page) == ino) { - f2fs_wait_on_page_writeback(page, NODE, true); - if (TestClearPageError(page)) - ret = -EIO; - } - } - pagevec_release(&pvec); - cond_resched(); + if (ret) + break; } ret2 = filemap_check_errors(NODE_MAPPING(sbi)); if (!ret) ret = ret2; + return ret; } @@ -2992,8 +3080,15 @@ int __init f2fs_create_node_manager_caches(void) sizeof(struct nat_entry_set)); if (!nat_entry_set_slab) goto destroy_free_nid; + + fsync_node_entry_slab = f2fs_kmem_cache_create("fsync_node_entry", + sizeof(struct fsync_node_entry)); + if (!fsync_node_entry_slab) + goto destroy_nat_entry_set; return 0; +destroy_nat_entry_set: + kmem_cache_destroy(nat_entry_set_slab); destroy_free_nid: kmem_cache_destroy(free_nid_slab); destroy_nat_entry: @@ -3004,6 +3099,7 @@ fail: void f2fs_destroy_node_manager_caches(void) { + kmem_cache_destroy(fsync_node_entry_slab); kmem_cache_destroy(nat_entry_set_slab); kmem_cache_destroy(free_nid_slab); kmem_cache_destroy(nat_entry_slab); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 879ff1b22357..b0e2b017f390 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1036,6 +1036,10 @@ static void f2fs_put_super(struct super_block *sb) /* our cp_error case, we can wait for any writeback page */ f2fs_flush_merged_writes(sbi); + f2fs_wait_on_all_pages_writeback(sbi); + + f2fs_bug_on(sbi, sbi->fsync_node_num); + iput(sbi->node_inode); iput(sbi->meta_inode); @@ -2911,6 +2915,8 @@ try_onemore: f2fs_init_ino_entry_info(sbi); + f2fs_init_fsync_node_info(sbi); + /* setup f2fs internal modules */ err = f2fs_build_segment_manager(sbi); if (err) { |