diff options
Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r-- | fs/f2fs/segment.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1f12004..7d53cb4 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -197,28 +197,20 @@ void register_inmem_page(struct inode *inode, struct page *page) { struct f2fs_inode_info *fi = F2FS_I(inode); struct inmem_pages *new; - int err; - SetPagePrivate(page); f2fs_trace_pid(page); + set_page_private(page, (unsigned long)ATOMIC_WRITTEN_PAGE); + SetPagePrivate(page); + new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS); /* add atomic page indices to the list */ new->page = page; INIT_LIST_HEAD(&new->list); -retry: + /* increase reference count with clean state */ mutex_lock(&fi->inmem_lock); - err = radix_tree_insert(&fi->inmem_root, page->index, new); - if (err == -EEXIST) { - mutex_unlock(&fi->inmem_lock); - kmem_cache_free(inmem_entry_slab, new); - return; - } else if (err) { - mutex_unlock(&fi->inmem_lock); - goto retry; - } get_page(page); list_add_tail(&new->list, &fi->inmem_pages); inc_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); @@ -255,8 +247,8 @@ int commit_inmem_pages(struct inode *inode, bool abort) mutex_lock(&fi->inmem_lock); list_for_each_entry_safe(cur, tmp, &fi->inmem_pages, list) { + lock_page(cur->page); if (!abort) { - lock_page(cur->page); if (cur->page->mapping == inode->i_mapping) { set_page_dirty(cur->page); f2fs_wait_on_page_writeback(cur->page, DATA); @@ -271,12 +263,13 @@ int commit_inmem_pages(struct inode *inode, bool abort) break; } } - f2fs_put_page(cur->page, 1); } else { trace_f2fs_commit_inmem_page(cur->page, INMEM_DROP); - put_page(cur->page); } - radix_tree_delete(&fi->inmem_root, cur->page->index); + set_page_private(cur->page, 0); + ClearPagePrivate(cur->page); + f2fs_put_page(cur->page, 1); + list_del(&cur->list); kmem_cache_free(inmem_entry_slab, cur); dec_page_count(F2FS_I_SB(inode), F2FS_INMEM_PAGES); |