From eabf038f4e366c2172c1322d5e36bb477a763adc Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Wed, 9 Feb 2022 20:21:58 +0000 Subject: orangefs: Convert launder_page to launder_folio OrangeFS launders its pages from a number of locations, so add a small amount of folio usage to its callers where it makes sense. Signed-off-by: Matthew Wilcox (Oracle) Tested-by: Damien Le Moal Acked-by: Damien Le Moal Tested-by: Mike Marshall # orangefs Tested-by: David Howells # afs --- fs/orangefs/inode.c | 69 ++++++++++++++++++++++++++++------------------------- 1 file changed, 36 insertions(+), 33 deletions(-) (limited to 'fs/orangefs') diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 26f163b13b16..8a9bbbbdf406 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -243,7 +243,7 @@ static int orangefs_writepages(struct address_space *mapping, return ret; } -static int orangefs_launder_page(struct page *); +static int orangefs_launder_folio(struct folio *); static void orangefs_readahead(struct readahead_control *rac) { @@ -290,14 +290,15 @@ static void orangefs_readahead(struct readahead_control *rac) static int orangefs_readpage(struct file *file, struct page *page) { + struct folio *folio = page_folio(page); struct inode *inode = page->mapping->host; struct iov_iter iter; struct bio_vec bv; ssize_t ret; loff_t off; /* offset into this page */ - if (PageDirty(page)) - orangefs_launder_page(page); + if (folio_test_dirty(folio)) + orangefs_launder_folio(folio); off = page_offset(page); bv.bv_page = page; @@ -330,6 +331,7 @@ static int orangefs_write_begin(struct file *file, void **fsdata) { struct orangefs_write_range *wr; + struct folio *folio; struct page *page; pgoff_t index; int ret; @@ -341,27 +343,28 @@ static int orangefs_write_begin(struct file *file, return -ENOMEM; *pagep = page; + folio = page_folio(page); - if (PageDirty(page) && !PagePrivate(page)) { + if (folio_test_dirty(folio) && !folio_test_private(folio)) { /* * Should be impossible. If it happens, launder the page * since we don't know what's dirty. This will WARN in * orangefs_writepage_locked. */ - ret = orangefs_launder_page(page); + ret = orangefs_launder_folio(folio); if (ret) return ret; } - if (PagePrivate(page)) { + if (folio_test_private(folio)) { struct orangefs_write_range *wr; - wr = (struct orangefs_write_range *)page_private(page); + wr = folio_get_private(folio); if (wr->pos + wr->len == pos && uid_eq(wr->uid, current_fsuid()) && gid_eq(wr->gid, current_fsgid())) { wr->len += len; goto okay; } else { - ret = orangefs_launder_page(page); + ret = orangefs_launder_folio(folio); if (ret) return ret; } @@ -375,7 +378,7 @@ static int orangefs_write_begin(struct file *file, wr->len = len; wr->uid = current_fsuid(); wr->gid = current_fsgid(); - attach_page_private(page, wr); + folio_attach_private(folio, wr); okay: return 0; } @@ -481,7 +484,7 @@ static void orangefs_invalidate_folio(struct folio *folio, * Thus the following runs if wr was modified above. */ - orangefs_launder_page(&folio->page); + orangefs_launder_folio(folio); } static int orangefs_releasepage(struct page *page, gfp_t foo) @@ -494,17 +497,17 @@ static void orangefs_freepage(struct page *page) kfree(detach_page_private(page)); } -static int orangefs_launder_page(struct page *page) +static int orangefs_launder_folio(struct folio *folio) { int r = 0; struct writeback_control wbc = { .sync_mode = WB_SYNC_ALL, .nr_to_write = 0, }; - wait_on_page_writeback(page); - if (clear_page_dirty_for_io(page)) { - r = orangefs_writepage_locked(page, &wbc); - end_page_writeback(page); + folio_wait_writeback(folio); + if (folio_clear_dirty_for_io(folio)) { + r = orangefs_writepage_locked(&folio->page, &wbc); + folio_end_writeback(folio); } return r; } @@ -637,13 +640,13 @@ static const struct address_space_operations orangefs_address_operations = { .invalidate_folio = orangefs_invalidate_folio, .releasepage = orangefs_releasepage, .freepage = orangefs_freepage, - .launder_page = orangefs_launder_page, + .launder_folio = orangefs_launder_folio, .direct_IO = orangefs_direct_IO, }; vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf) { - struct page *page = vmf->page; + struct folio *folio = page_folio(vmf->page); struct inode *inode = file_inode(vmf->vma->vm_file); struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); unsigned long *bitlock = &orangefs_inode->bitlock; @@ -657,27 +660,27 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf) goto out; } - lock_page(page); - if (PageDirty(page) && !PagePrivate(page)) { + folio_lock(folio); + if (folio_test_dirty(folio) && !folio_test_private(folio)) { /* - * Should be impossible. If it happens, launder the page + * Should be impossible. If it happens, launder the folio * since we don't know what's dirty. This will WARN in * orangefs_writepage_locked. */ - if (orangefs_launder_page(page)) { + if (orangefs_launder_folio(folio)) { ret = VM_FAULT_LOCKED|VM_FAULT_RETRY; goto out; } } - if (PagePrivate(page)) { - wr = (struct orangefs_write_range *)page_private(page); + if (folio_test_private(folio)) { + wr = folio_get_private(folio); if (uid_eq(wr->uid, current_fsuid()) && gid_eq(wr->gid, current_fsgid())) { - wr->pos = page_offset(page); + wr->pos = page_offset(vmf->page); wr->len = PAGE_SIZE; goto okay; } else { - if (orangefs_launder_page(page)) { + if (orangefs_launder_folio(folio)) { ret = VM_FAULT_LOCKED|VM_FAULT_RETRY; goto out; } @@ -688,27 +691,27 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf) ret = VM_FAULT_LOCKED|VM_FAULT_RETRY; goto out; } - wr->pos = page_offset(page); + wr->pos = page_offset(vmf->page); wr->len = PAGE_SIZE; wr->uid = current_fsuid(); wr->gid = current_fsgid(); - attach_page_private(page, wr); + folio_attach_private(folio, wr); okay: file_update_time(vmf->vma->vm_file); - if (page->mapping != inode->i_mapping) { - unlock_page(page); + if (folio->mapping != inode->i_mapping) { + folio_unlock(folio); ret = VM_FAULT_LOCKED|VM_FAULT_NOPAGE; goto out; } /* - * We mark the page dirty already here so that when freeze is in + * We mark the folio dirty already here so that when freeze is in * progress, we are guaranteed that writeback during freezing will - * see the dirty page and writeprotect it again. + * see the dirty folio and writeprotect it again. */ - set_page_dirty(page); - wait_for_stable_page(page); + folio_mark_dirty(folio); + folio_wait_stable(folio); ret = VM_FAULT_LOCKED; out: sb_end_pagefault(inode->i_sb); -- cgit v1.2.3-58-ga151