[PATCH 10/30] ext4: Remove calls to to set/clear the folio error flag

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Nobody checks this flag on ext4 folios, stop setting and clearing it.

Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: Andreas Dilger <adilger.kernel@xxxxxxxxx>
Cc: linux-ext4@xxxxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 fs/ext4/move_extent.c | 4 +---
 fs/ext4/page-io.c     | 3 ---
 fs/ext4/readpage.c    | 1 -
 3 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 7cd4afa4de1d..204f53b23622 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -199,10 +199,8 @@ mext_page_mkuptodate(struct folio *folio, unsigned from, unsigned to)
 			continue;
 		if (!buffer_mapped(bh)) {
 			err = ext4_get_block(inode, block, bh, 0);
-			if (err) {
-				folio_set_error(folio);
+			if (err)
 				return err;
-			}
 			if (!buffer_mapped(bh)) {
 				folio_zero_range(folio, block_start, blocksize);
 				set_buffer_uptodate(bh);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 312bc6813357..ad5543866d21 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -117,7 +117,6 @@ static void ext4_finish_bio(struct bio *bio)
 
 		if (bio->bi_status) {
 			int err = blk_status_to_errno(bio->bi_status);
-			folio_set_error(folio);
 			mapping_set_error(folio->mapping, err);
 		}
 		bh = head = folio_buffers(folio);
@@ -441,8 +440,6 @@ int ext4_bio_write_folio(struct ext4_io_submit *io, struct folio *folio,
 	BUG_ON(!folio_test_locked(folio));
 	BUG_ON(folio_test_writeback(folio));
 
-	folio_clear_error(folio);
-
 	/*
 	 * Comments copied from block_write_full_folio:
 	 *
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 21e8f0aebb3c..8494492582ab 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -289,7 +289,6 @@ int ext4_mpage_readpages(struct inode *inode,
 
 				if (ext4_map_blocks(NULL, inode, &map, 0) < 0) {
 				set_error_page:
-					folio_set_error(folio);
 					folio_zero_segment(folio, 0,
 							  folio_size(folio));
 					folio_unlock(folio);
-- 
2.43.0





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