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Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c36
1 files changed, 8 insertions, 28 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 084a6ade108a..0f17c36922e6 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1539,21 +1539,6 @@ 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 +2165,7 @@ 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 +2200,6 @@ static int __block_commit_write(struct inode *inode, struct folio *folio,
*/
if (!partial)
folio_mark_uptodate(folio);
- return 0;
}
/*
@@ -2253,7 +2236,6 @@ 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 +2259,7 @@ 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 +2580,10 @@ 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 +2629,11 @@ 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;