mirror of
https://github.com/torvalds/linux.git
synced 2024-11-26 14:12:06 +00:00
reiserfs: Convert reiserfs_write_begin() to use a folio
Remove a few calls to compound_head(). Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
parent
24481ffdc0
commit
cc67bcb2c3
@ -2738,20 +2738,21 @@ static int reiserfs_write_begin(struct file *file,
|
||||
struct page **pagep, void **fsdata)
|
||||
{
|
||||
struct inode *inode;
|
||||
struct page *page;
|
||||
struct folio *folio;
|
||||
pgoff_t index;
|
||||
int ret;
|
||||
int old_ref = 0;
|
||||
|
||||
inode = mapping->host;
|
||||
index = pos >> PAGE_SHIFT;
|
||||
page = grab_cache_page_write_begin(mapping, index);
|
||||
if (!page)
|
||||
return -ENOMEM;
|
||||
*pagep = page;
|
||||
folio = __filemap_get_folio(mapping, index, FGP_WRITEBEGIN,
|
||||
mapping_gfp_mask(mapping));
|
||||
if (IS_ERR(folio))
|
||||
return PTR_ERR(folio);
|
||||
*pagep = &folio->page;
|
||||
|
||||
reiserfs_wait_on_write_block(inode->i_sb);
|
||||
fix_tail_page_for_writing(page);
|
||||
fix_tail_page_for_writing(&folio->page);
|
||||
if (reiserfs_transaction_running(inode->i_sb)) {
|
||||
struct reiserfs_transaction_handle *th;
|
||||
th = (struct reiserfs_transaction_handle *)current->
|
||||
@ -2761,7 +2762,7 @@ static int reiserfs_write_begin(struct file *file,
|
||||
old_ref = th->t_refcount;
|
||||
th->t_refcount++;
|
||||
}
|
||||
ret = __block_write_begin(page, pos, len, reiserfs_get_block);
|
||||
ret = __block_write_begin(&folio->page, pos, len, reiserfs_get_block);
|
||||
if (ret && reiserfs_transaction_running(inode->i_sb)) {
|
||||
struct reiserfs_transaction_handle *th = current->journal_info;
|
||||
/*
|
||||
@ -2791,8 +2792,8 @@ static int reiserfs_write_begin(struct file *file,
|
||||
}
|
||||
}
|
||||
if (ret) {
|
||||
unlock_page(page);
|
||||
put_page(page);
|
||||
folio_unlock(folio);
|
||||
folio_put(folio);
|
||||
/* Truncate allocated blocks */
|
||||
reiserfs_truncate_failed_write(inode);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user