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ext4: Make mpage_journal_page_buffers use folio 

This patch converts mpage_journal_page_buffers() to use folio and also
removes the PAGE_SIZE assumption.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/ebc3ac80e6a54b53327740d010ce684a83512021.1684122756.git.ritesh.list@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ritesh Harjani 2023-05-15 16:10:43 +05:30 committed by Theodore Ts'o
parent 36c9b45040
commit 80be8c5cc9
1 changed files with 13 additions and 15 deletions
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28
fs/ext4/inode.c
View File

@ -2321,11 +2321,11 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode)
MAX_WRITEPAGES_EXTENT_LEN + bpp - 1, bpp);
}
static int ext4_journal_page_buffers(handle_t *handle, struct page *page,
int len)
static int ext4_journal_folio_buffers(handle_t *handle, struct folio *folio,
size_t len)
{
struct buffer_head *page_bufs = page_buffers(page);
struct inode *inode = page->mapping->host;
struct buffer_head *page_bufs = folio_buffers(folio);
struct inode *inode = folio->mapping->host;
int ret, err;
ret = ext4_walk_page_buffers(handle, inode, page_bufs, 0, len,
@ -2334,7 +2334,7 @@ static int ext4_journal_page_buffers(handle_t *handle, struct page *page,
NULL, write_end_fn);
if (ret == 0)
ret = err;
err = ext4_jbd2_inode_add_write(handle, inode, page_offset(page), len);
err = ext4_jbd2_inode_add_write(handle, inode, folio_pos(folio), len);
if (ret == 0)
ret = err;
EXT4_I(inode)->i_datasync_tid = handle->h_transaction->t_tid;
@ -2344,22 +2344,20 @@ static int ext4_journal_page_buffers(handle_t *handle, struct page *page,
static int mpage_journal_page_buffers(handle_t *handle,
struct mpage_da_data *mpd,
struct page *page)
struct folio *folio)
{
struct inode *inode = mpd->inode;
loff_t size = i_size_read(inode);
int len;
size_t len = folio_size(folio);
ClearPageChecked(page);
folio_clear_checked(folio);
mpd->wbc->nr_to_write--;
if (page->index == size >> PAGE_SHIFT &&
if (folio_pos(folio) + len > size &&
!ext4_verity_in_progress(inode))
len = size & ~PAGE_MASK;
else
len = PAGE_SIZE;
len = size - folio_pos(folio);
return ext4_journal_page_buffers(handle, page, len);
return ext4_journal_folio_buffers(handle, folio, len);
}
/*
@ -2499,7 +2497,7 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd)
/* Pending dirtying of journalled data? */
if (folio_test_checked(folio)) {
err = mpage_journal_page_buffers(handle,
mpd, &folio->page);
mpd, folio);
if (err < 0)
goto out;
mpd->journalled_more_data = 1;
@ -6157,7 +6155,7 @@ retry_alloc:
err = __block_write_begin(&folio->page, 0, len, ext4_get_block);
if (!err) {
ret = VM_FAULT_SIGBUS;
if (ext4_journal_page_buffers(handle, &folio->page, len))
if (ext4_journal_folio_buffers(handle, folio, len))
goto out_error;
} else {
folio_unlock(folio);