[PATCH 09/16] nfs: Remove calls to folio_set_error

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

Common code doesn't test the error flag, so we don't need to set it in
nfs.  We can use folio_end_read() to combine the setting (or not)
of the uptodate flag and clearing the lock flag.

Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Anna Schumaker <anna@kernel.org>
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/nfs/read.c    |  2 --
 fs/nfs/symlink.c | 12 ++----------
 fs/nfs/write.c   |  1 -
 3 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index a142287d86f6..cca80b5f54e0 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -122,8 +122,6 @@ static void nfs_readpage_release(struct nfs_page *req, int error)
 {
 	struct folio *folio = nfs_page_to_folio(req);
 
-	if (nfs_error_is_fatal_on_server(error) && error != -ETIMEDOUT)
-		folio_set_error(folio);
 	if (nfs_page_group_sync_on_bit(req, PG_UNLOCKPAGE))
 		if (nfs_netfs_folio_unlock(folio))
 			folio_unlock(folio);
diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c
index 0e27a2e4e68b..1c62a5a9f51d 100644
--- a/fs/nfs/symlink.c
+++ b/fs/nfs/symlink.c
@@ -32,16 +32,8 @@ static int nfs_symlink_filler(struct file *file, struct folio *folio)
 	int error;
 
 	error = NFS_PROTO(inode)->readlink(inode, &folio->page, 0, PAGE_SIZE);
-	if (error < 0)
-		goto error;
-	folio_mark_uptodate(folio);
-	folio_unlock(folio);
-	return 0;
-
-error:
-	folio_set_error(folio);
-	folio_unlock(folio);
-	return -EIO;
+	folio_end_read(folio, error == 0);
+	return error;
 }
 
 static const char *nfs_get_link(struct dentry *dentry,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 3573cdc4b28f..85cddb2a6135 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -311,7 +311,6 @@ static void nfs_mapping_set_error(struct folio *folio, int error)
 {
 	struct address_space *mapping = folio_file_mapping(folio);
 
-	folio_set_error(folio);
 	filemap_set_wb_err(mapping, error);
 	if (mapping->host)
 		errseq_set(&mapping->host->i_sb->s_wb_err,
-- 
2.43.0