1 files changed, 8 insertions, 34 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 084a6ade108a..2379564e5aea 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -563,12 +563,6 @@ repeat:
 	return err;
 }
 
-void emergency_thaw_bdev(struct super_block *sb)
-{
-	while (sb->s_bdev && !thaw_bdev(sb->s_bdev))
-		printk(KERN_WARNING "Emergency Thaw on %pg\n", sb->s_bdev);
-}
-
 /**
  * sync_mapping_buffers - write out & wait upon a mapping's "associated" buffers
  * @mapping: the mapping which wants those buffers written
@@ -1539,21 +1533,6 @@ void invalidate_bh_lrus_cpu(void)
 	bh_lru_unlock();
 }
 
-void set_bh_page(struct buffer_head *bh,
-		struct page *page, unsigned long offset)
-{
-	bh->b_page = page;
-	BUG_ON(offset >= PAGE_SIZE);
-	if (PageHighMem(page))
-		/*
-		 * This catches illegal uses and preserves the offset:
-		 */
-		bh->b_data = (char *)(0 + offset);
-	else
-		bh->b_data = page_address(page) + offset;
-}
-EXPORT_SYMBOL(set_bh_page);
-
 void folio_set_bh(struct buffer_head *bh, struct folio *folio,
 		  unsigned long offset)
 {
@@ -2180,8 +2159,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len,
 }
 EXPORT_SYMBOL(__block_write_begin);
 
-static int __block_commit_write(struct inode *inode, struct folio *folio,
-		size_t from, size_t to)
+static void __block_commit_write(struct folio *folio, size_t from, size_t to)
 {
 	size_t block_start, block_end;
 	bool partial = false;
@@ -2216,7 +2194,6 @@ static int __block_commit_write(struct inode *inode, struct folio *folio,
 	 */
 	if (!partial)
 		folio_mark_uptodate(folio);
-	return 0;
 }
 
 /*
@@ -2253,7 +2230,6 @@ int block_write_end(struct file *file, struct address_space *mapping,
 			struct page *page, void *fsdata)
 {
 	struct folio *folio = page_folio(page);
-	struct inode *inode = mapping->host;
 	size_t start = pos - folio_pos(folio);
 
 	if (unlikely(copied < len)) {
@@ -2277,7 +2253,7 @@ int block_write_end(struct file *file, struct address_space *mapping,
 	flush_dcache_folio(folio);
 
 	/* This could be a short (even 0-length) commit */
-	__block_commit_write(inode, folio, start, start + copied);
+	__block_commit_write(folio, start, start + copied);
 
 	return copied;
 }
@@ -2598,12 +2574,10 @@ int cont_write_begin(struct file *file, struct address_space *mapping,
 }
 EXPORT_SYMBOL(cont_write_begin);
 
-int block_commit_write(struct page *page, unsigned from, unsigned to)
+void block_commit_write(struct page *page, unsigned from, unsigned to)
 {
 	struct folio *folio = page_folio(page);
-	struct inode *inode = folio->mapping->host;
-	__block_commit_write(inode, folio, from, to);
-	return 0;
+	__block_commit_write(folio, from, to);
 }
 EXPORT_SYMBOL(block_commit_write);
 
@@ -2649,11 +2623,11 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
 		end = size - folio_pos(folio);
 
 	ret = __block_write_begin_int(folio, 0, end, get_block, NULL);
-	if (!ret)
-		ret = __block_commit_write(inode, folio, 0, end);
-
-	if (unlikely(ret < 0))
+	if (unlikely(ret))
 		goto out_unlock;
+
+	__block_commit_write(folio, 0, end);
+
 	folio_mark_dirty(folio);
 	folio_wait_stable(folio);
 	return 0;