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Diffstat (limited to 'fs/gfs2/aops.c')
-rw-r--r--fs/gfs2/aops.c69
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);