diff options
Diffstat (limited to 'fs/gfs2/aops.c')
-rw-r--r-- | fs/gfs2/aops.c | 69 |
1 files changed, 35 insertions, 34 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index a5f4be6b9213..1c407eba1e30 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -38,13 +38,13 @@ void gfs2_trans_add_databufs(struct gfs2_inode *ip, struct folio *folio, - unsigned int from, unsigned int len) + size_t from, size_t len) { struct buffer_head *head = folio_buffers(folio); unsigned int bsize = head->b_size; struct buffer_head *bh; - unsigned int to = from + len; - unsigned int start, end; + size_t to = from + len; + size_t start, end; for (bh = head, start = 0; bh != head || !start; bh = bh->b_this_page, start = end) { @@ -82,61 +82,61 @@ static int gfs2_get_block_noalloc(struct inode *inode, sector_t lblock, } /** - * gfs2_write_jdata_page - gfs2 jdata-specific version of block_write_full_page - * @page: The page to write + * gfs2_write_jdata_folio - gfs2 jdata-specific version of block_write_full_page + * @folio: The folio to write * @wbc: The writeback control * * This is the same as calling block_write_full_page, but it also * writes pages outside of i_size */ -static int gfs2_write_jdata_page(struct page *page, +static int gfs2_write_jdata_folio(struct folio *folio, struct writeback_control *wbc) { - struct inode * const inode = page->mapping->host; + struct inode * const inode = folio->mapping->host; loff_t i_size = i_size_read(inode); - const pgoff_t end_index = i_size >> PAGE_SHIFT; - unsigned offset; /* - * The page straddles i_size. It must be zeroed out on each and every + * The folio straddles i_size. It must be zeroed out on each and every * writepage invocation because it may be mmapped. "A file is mapped * in multiples of the page size. For a file that is not a multiple of - * the page size, the remaining memory is zeroed when mapped, and + * the page size, the remaining memory is zeroed when mapped, and * writes to that region are not written out to the file." */ - offset = i_size & (PAGE_SIZE - 1); - if (page->index == end_index && offset) - zero_user_segment(page, offset, PAGE_SIZE); + if (folio_pos(folio) < i_size && + i_size < folio_pos(folio) + folio_size(folio)) + folio_zero_segment(folio, offset_in_folio(folio, i_size), + folio_size(folio)); - return __block_write_full_page(inode, page, gfs2_get_block_noalloc, wbc, - end_buffer_async_write); + return __block_write_full_folio(inode, folio, gfs2_get_block_noalloc, + wbc, end_buffer_async_write); } /** - * __gfs2_jdata_writepage - The core of jdata writepage - * @page: The page to write + * __gfs2_jdata_write_folio - The core of jdata writepage + * @folio: The folio to write * @wbc: The writeback control * * This is shared between writepage and writepages and implements the * core of the writepage operation. If a transaction is required then - * PageChecked will have been set and the transaction will have + * the checked flag will have been set and the transaction will have * already been started before this is called. */ - -static int __gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc) +static int __gfs2_jdata_write_folio(struct folio *folio, + struct writeback_control *wbc) { - struct inode *inode = page->mapping->host; + struct inode *inode = folio->mapping->host; struct gfs2_inode *ip = GFS2_I(inode); - if (PageChecked(page)) { - ClearPageChecked(page); - if (!page_has_buffers(page)) { - create_empty_buffers(page, inode->i_sb->s_blocksize, - BIT(BH_Dirty)|BIT(BH_Uptodate)); + if (folio_test_checked(folio)) { + folio_clear_checked(folio); + if (!folio_buffers(folio)) { + folio_create_empty_buffers(folio, + inode->i_sb->s_blocksize, + BIT(BH_Dirty)|BIT(BH_Uptodate)); } - gfs2_trans_add_databufs(ip, page_folio(page), 0, PAGE_SIZE); + gfs2_trans_add_databufs(ip, folio, 0, folio_size(folio)); } - return gfs2_write_jdata_page(page, wbc); + return gfs2_write_jdata_folio(folio, wbc); } /** @@ -150,20 +150,21 @@ static int __gfs2_jdata_writepage(struct page *page, struct writeback_control *w static int gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc) { + struct folio *folio = page_folio(page); struct inode *inode = page->mapping->host; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); if (gfs2_assert_withdraw(sdp, gfs2_glock_is_held_excl(ip->i_gl))) goto out; - if (PageChecked(page) || current->journal_info) + if (folio_test_checked(folio) || current->journal_info) goto out_ignore; - return __gfs2_jdata_writepage(page, wbc); + return __gfs2_jdata_write_folio(folio, wbc); out_ignore: - redirty_page_for_writepage(wbc, page); + folio_redirty_for_writepage(wbc, folio); out: - unlock_page(page); + folio_unlock(folio); return 0; } @@ -255,7 +256,7 @@ continue_unlock: trace_wbc_writepage(wbc, inode_to_bdi(inode)); - ret = __gfs2_jdata_writepage(&folio->page, wbc); + ret = __gfs2_jdata_write_folio(folio, wbc); if (unlikely(ret)) { if (ret == AOP_WRITEPAGE_ACTIVATE) { folio_unlock(folio); |