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buffer: Convert __block_write_begin() to take a folio

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Almost all callers have a folio now, so change __block_write_begin()
to take a folio and remove a call 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:
Matthew Wilcox (Oracle) 2024-07-10 23:09:04 -04:00 committed by Christian Brauner
parent 7f90d7f1bc
commit 9f04609f74
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
12 changed files with 20 additions and 21 deletions
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5
fs/buffer.c
View File

@ -2168,11 +2168,10 @@ int __block_write_begin_int(struct folio *folio, loff_t pos, unsigned len,
return err;
}
int __block_write_begin(struct page *page, loff_t pos, unsigned len,
int __block_write_begin(struct folio *folio, loff_t pos, unsigned len,
get_block_t *get_block)
{
return __block_write_begin_int(page_folio(page), pos, len, get_block,
NULL);
return __block_write_begin_int(folio, pos, len, get_block, NULL);
}
EXPORT_SYMBOL(__block_write_begin);

2
fs/ext2/dir.c
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@ -434,7 +434,7 @@ int ext2_inode_by_name(struct inode *dir, const struct qstr *child, ino_t *ino)
static int ext2_prepare_chunk(struct folio *folio, loff_t pos, unsigned len)
{
return __block_write_begin(&folio->page, pos, len, ext2_get_block);
return __block_write_begin(folio, pos, len, ext2_get_block);
}
static int ext2_handle_dirsync(struct inode *dir)

6
fs/ext4/inline.c
View File

@ -601,10 +601,10 @@ static int ext4_convert_inline_data_to_extent(struct address_space *mapping,
goto out;
if (ext4_should_dioread_nolock(inode)) {
ret = __block_write_begin(&folio->page, from, to,
ret = __block_write_begin(folio, from, to,
ext4_get_block_unwritten);
} else
ret = __block_write_begin(&folio->page, from, to, ext4_get_block);
ret = __block_write_begin(folio, from, to, ext4_get_block);
if (!ret && ext4_should_journal_data(inode)) {
ret = ext4_walk_page_buffers(handle, inode,
@ -856,7 +856,7 @@ static int ext4_da_convert_inline_data_to_extent(struct address_space *mapping,
goto out;
}
ret = __block_write_begin(&folio->page, 0, inline_size,
ret = __block_write_begin(folio, 0, inline_size,
ext4_da_get_block_prep);
if (ret) {
up_read(&EXT4_I(inode)->xattr_sem);

8
fs/ext4/inode.c
View File

@ -1224,10 +1224,10 @@ static int ext4_write_begin(struct file *file, struct address_space *mapping,
ret = ext4_block_write_begin(folio, pos, len, ext4_get_block);
#else
if (ext4_should_dioread_nolock(inode))
ret = __block_write_begin(&folio->page, pos, len,
ret = __block_write_begin(folio, pos, len,
ext4_get_block_unwritten);
else
ret = __block_write_begin(&folio->page, pos, len, ext4_get_block);
ret = __block_write_begin(folio, pos, len, ext4_get_block);
#endif
if (!ret && ext4_should_journal_data(inode)) {
ret = ext4_walk_page_buffers(handle, inode,
@ -2962,7 +2962,7 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
#ifdef CONFIG_FS_ENCRYPTION
ret = ext4_block_write_begin(folio, pos, len, ext4_da_get_block_prep);
#else
ret = __block_write_begin(&folio->page, pos, len, ext4_da_get_block_prep);
ret = __block_write_begin(folio, pos, len, ext4_da_get_block_prep);
#endif
if (ret < 0) {
folio_unlock(folio);
@ -6216,7 +6216,7 @@ vm_fault_t ext4_page_mkwrite(struct vm_fault *vmf)
if (folio_pos(folio) + len > size)
len = size - folio_pos(folio);
err = __block_write_begin(&folio->page, 0, len, ext4_get_block);
err = __block_write_begin(folio, 0, len, ext4_get_block);
if (!err) {
ret = VM_FAULT_SIGBUS;
if (ext4_journal_folio_buffers(handle, folio, len))

2
fs/minix/inode.c
View File

@ -429,7 +429,7 @@ static int minix_read_folio(struct file *file, struct folio *folio)
int minix_prepare_chunk(struct folio *folio, loff_t pos, unsigned len)
{
return __block_write_begin(&folio->page, pos, len, minix_get_block);
return __block_write_begin(folio, pos, len, minix_get_block);
}
static void minix_write_failed(struct address_space *mapping, loff_t to)

2
fs/nilfs2/dir.c
View File

@ -83,7 +83,7 @@ static int nilfs_prepare_chunk(struct folio *folio, unsigned int from,
{
loff_t pos = folio_pos(folio) + from;
return __block_write_begin(&folio->page, pos, to - from, nilfs_get_block);
return __block_write_begin(folio, pos, to - from, nilfs_get_block);
}
static void nilfs_commit_chunk(struct folio *folio,

2
fs/ocfs2/file.c
View File

@ -804,7 +804,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
* __block_write_begin and block_commit_write to zero the
* whole block.
*/
ret = __block_write_begin(&folio->page, block_start + 1, 0,
ret = __block_write_begin(folio, block_start + 1, 0,
ocfs2_get_block);
if (ret < 0) {
mlog_errno(ret);

6
fs/reiserfs/inode.c
View File

@ -2198,7 +2198,7 @@ static int grab_tail_page(struct inode *inode,
/* start within the page of the last block in the file */
start = (offset / blocksize) * blocksize;
error = __block_write_begin(&folio->page, start, offset - start,
error = __block_write_begin(folio, start, offset - start,
reiserfs_get_block_create_0);
if (error)
goto unlock;
@ -2762,7 +2762,7 @@ static int reiserfs_write_begin(struct file *file,
old_ref = th->t_refcount;
th->t_refcount++;
}
ret = __block_write_begin(&folio->page, pos, len, reiserfs_get_block);
ret = __block_write_begin(folio, pos, len, reiserfs_get_block);
if (ret && reiserfs_transaction_running(inode->i_sb)) {
struct reiserfs_transaction_handle *th = current->journal_info;
/*
@ -2822,7 +2822,7 @@ int __reiserfs_write_begin(struct page *page, unsigned from, unsigned len)
th->t_refcount++;
}
ret = __block_write_begin(page, from, len, reiserfs_get_block);
ret = __block_write_begin(page_folio(page), from, len, reiserfs_get_block);
if (ret && reiserfs_transaction_running(inode->i_sb)) {
struct reiserfs_transaction_handle *th = current->journal_info;
/*

2
fs/sysv/itree.c
View File

@ -468,7 +468,7 @@ static int sysv_read_folio(struct file *file, struct folio *folio)
int sysv_prepare_chunk(struct folio *folio, loff_t pos, unsigned len)
{
return __block_write_begin(&folio->page, pos, len, get_block);
return __block_write_begin(folio, pos, len, get_block);
}
static void sysv_write_failed(struct address_space *mapping, loff_t to)

2
fs/udf/file.c
View File

@ -62,7 +62,7 @@ static vm_fault_t udf_page_mkwrite(struct vm_fault *vmf)
end = size & ~PAGE_MASK;
else
end = PAGE_SIZE;
err = __block_write_begin(&folio->page, 0, end, udf_get_block);
err = __block_write_begin(folio, 0, end, udf_get_block);
if (err) {
folio_unlock(folio);
ret = vmf_fs_error(err);

2
fs/ufs/inode.c
View File

@ -481,7 +481,7 @@ static int ufs_read_folio(struct file *file, struct folio *folio)
int ufs_prepare_chunk(struct folio *folio, loff_t pos, unsigned len)
{
return __block_write_begin(&folio->page, pos, len, ufs_getfrag_block);
return __block_write_begin(folio, pos, len, ufs_getfrag_block);
}
static void ufs_truncate_blocks(struct inode *);

2
include/linux/buffer_head.h
View File

@ -259,7 +259,7 @@ int block_read_full_folio(struct folio *, get_block_t *);
bool block_is_partially_uptodate(struct folio *, size_t from, size_t count);
int block_write_begin(struct address_space *mapping, loff_t pos, unsigned len,
struct folio **foliop, get_block_t *get_block);
int __block_write_begin(struct page *page, loff_t pos, unsigned len,
int __block_write_begin(struct folio *folio, loff_t pos, unsigned len,
get_block_t *get_block);
int block_write_end(struct file *, struct address_space *,
loff_t, unsigned len, unsigned copied,