[PATCH 6.1 384/885] gfs2: jdata writepage fix

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From: Andreas Gruenbacher <agruenba@xxxxxxxxxx>

[ Upstream commit cbb60951ce18c9b6e91d2eb97deb41d8ff616622 ]

The ->writepage() and ->writepages() operations are supposed to write
entire pages.  However, on filesystems with a block size smaller than
PAGE_SIZE, __gfs2_jdata_writepage() only adds the first block to the
current transaction instead of adding the entire page.  Fix that.

Fixes: 18ec7d5c3f43 ("[GFS2] Make journaled data files identical to normal files on disk")
Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/gfs2/aops.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index e782b4f1d1043..2f04c0ff7470b 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -127,7 +127,6 @@ static int __gfs2_jdata_writepage(struct page *page, struct writeback_control *w
 {
 	struct inode *inode = page->mapping->host;
 	struct gfs2_inode *ip = GFS2_I(inode);
-	struct gfs2_sbd *sdp = GFS2_SB(inode);
 
 	if (PageChecked(page)) {
 		ClearPageChecked(page);
@@ -135,7 +134,7 @@ static int __gfs2_jdata_writepage(struct page *page, struct writeback_control *w
 			create_empty_buffers(page, inode->i_sb->s_blocksize,
 					     BIT(BH_Dirty)|BIT(BH_Uptodate));
 		}
-		gfs2_page_add_databufs(ip, page, 0, sdp->sd_vfs->s_blocksize);
+		gfs2_page_add_databufs(ip, page, 0, PAGE_SIZE);
 	}
 	return gfs2_write_jdata_page(page, wbc);
 }
-- 
2.39.2






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