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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-05-27 11:29:24 -0400
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-08-02 12:34:02 -0400
commit97a3a383c4f29f16e9a8265ea188f274516e1076 (patch)
treee7c27456a9d44a94232ea6a4d14f1857e3cad2ed /fs
parente775dfb33d81455bb043e447c5bdca76ae60ea15 (diff)
downloadlinux-97a3a383c4f29f16e9a8265ea188f274516e1076.tar.bz2
ocfs2: Use filemap_write_and_wait_range() in ocfs2_cow_sync_writeback()
Remove the open-coding of filemap_fdatawait_range(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/refcounttree.c42
1 files changed, 6 insertions, 36 deletions
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index e04358a46b68..1358981e80a3 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3146,48 +3146,18 @@ int ocfs2_cow_sync_writeback(struct super_block *sb,
struct inode *inode,
u32 cpos, u32 num_clusters)
{
- int ret = 0;
- loff_t offset, end, map_end;
- pgoff_t page_index;
- struct page *page;
+ int ret;
+ loff_t start, end;
if (ocfs2_should_order_data(inode))
return 0;
- offset = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits;
- end = offset + (num_clusters << OCFS2_SB(sb)->s_clustersize_bits);
+ start = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits;
+ end = start + (num_clusters << OCFS2_SB(sb)->s_clustersize_bits) - 1;
- ret = filemap_fdatawrite_range(inode->i_mapping,
- offset, end - 1);
- if (ret < 0) {
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret < 0)
mlog_errno(ret);
- return ret;
- }
-
- while (offset < end) {
- page_index = offset >> PAGE_SHIFT;
- map_end = ((loff_t)page_index + 1) << PAGE_SHIFT;
- if (map_end > end)
- map_end = end;
-
- page = find_or_create_page(inode->i_mapping,
- page_index, GFP_NOFS);
- BUG_ON(!page);
-
- wait_on_page_writeback(page);
- if (PageError(page)) {
- ret = -EIO;
- mlog_errno(ret);
- } else
- mark_page_accessed(page);
-
- unlock_page(page);
- put_page(page);
- page = NULL;
- offset = map_end;
- if (ret)
- break;
- }
return ret;
}