This is a "weak" conversion which converts straight back to using pages.
A full conversion should be performed at some point, hopefully by
someone familiar with the filesystem.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/ntfs/aops.c | 40 +++++++++++++++++++++-------------------
fs/ntfs/aops.h | 6 +++---
fs/ntfs/attrib.c | 2 +-
fs/ntfs/file.c | 4 ++--
fs/ntfs/inode.c | 4 ++--
fs/ntfs/mft.h | 2 +-
6 files changed, 30 insertions(+), 28 deletions(-)
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index 90e3dad8ee45..9e3964ea2ea0 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -159,7 +159,7 @@ static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)
*
* Return 0 on success and -errno on error.
*
- * Contains an adapted version of fs/buffer.c::block_read_full_page().
+ * Contains an adapted version of fs/buffer.c::block_read_full_folio().
*/
static int ntfs_read_block(struct page *page)
{
@@ -358,16 +358,16 @@ static int ntfs_read_block(struct page *page)
}
/**
- * ntfs_readpage - fill a @page of a @file with data from the device
- * @file: open file to which the page @page belongs or NULL
- * @page: page cache page to fill with data
+ * ntfs_read_folio - fill a @folio of a @file with data from the device
+ * @file: open file to which the folio @folio belongs or NULL
+ * @folio: page cache folio to fill with data
*
- * For non-resident attributes, ntfs_readpage() fills the @page of the open
- * file @file by calling the ntfs version of the generic block_read_full_page()
+ * For non-resident attributes, ntfs_read_folio() fills the @folio of the open
+ * file @file by calling the ntfs version of the generic block_read_full_folio()
* function, ntfs_read_block(), which in turn creates and reads in the buffers
- * associated with the page asynchronously.
+ * associated with the folio asynchronously.
*
- * For resident attributes, OTOH, ntfs_readpage() fills @page by copying the
+ * For resident attributes, OTOH, ntfs_read_folio() fills @folio by copying the
* data from the mft record (which at this stage is most likely in memory) and
* fills the remainder with zeroes. Thus, in this case, I/O is synchronous, as
* even if the mft record is not cached at this point in time, we need to wait
@@ -375,8 +375,9 @@ static int ntfs_read_block(struct page *page)
*
* Return 0 on success and -errno on error.
*/
-static int ntfs_readpage(struct file *file, struct page *page)
+static int ntfs_read_folio(struct file *file, struct folio *folio)
{
+ struct page *page = &folio->page;
loff_t i_size;
struct inode *vi;
ntfs_inode *ni, *base_ni;
@@ -458,7 +459,7 @@ static int ntfs_readpage(struct file *file, struct page *page)
}
/*
* If a parallel write made the attribute non-resident, drop the mft
- * record and retry the readpage.
+ * record and retry the read_folio.
*/
if (unlikely(NInoNonResident(ni))) {
unmap_mft_record(base_ni);
@@ -637,10 +638,11 @@ static int ntfs_write_block(struct page *page, struct writeback_control *wbc)
if (unlikely((block >= iblock) &&
(initialized_size < i_size))) {
/*
- * If this page is fully outside initialized size, zero
- * out all pages between the current initialized size
- * and the current page. Just use ntfs_readpage() to do
- * the zeroing transparently.
+ * If this page is fully outside initialized
+ * size, zero out all pages between the current
+ * initialized size and the current page. Just
+ * use ntfs_read_folio() to do the zeroing
+ * transparently.
*/
if (block > iblock) {
// TODO:
@@ -798,7 +800,7 @@ static int ntfs_write_block(struct page *page, struct writeback_control *wbc)
/* For the error case, need to reset bh to the beginning. */
bh = head;
- /* Just an optimization, so ->readpage() is not called later. */
+ /* Just an optimization, so ->read_folio() is not called later. */
if (unlikely(!PageUptodate(page))) {
int uptodate = 1;
do {
@@ -1329,7 +1331,7 @@ static int ntfs_write_mst_block(struct page *page,
* vfs inode dirty code path for the inode the mft record belongs to or via the
* vm page dirty code path for the page the mft record is in.
*
- * Based on ntfs_readpage() and fs/buffer.c::block_write_full_page().
+ * Based on ntfs_read_folio() and fs/buffer.c::block_write_full_page().
*
* Return 0 on success and -errno on error.
*/
@@ -1651,7 +1653,7 @@ static sector_t ntfs_bmap(struct address_space *mapping, sector_t block)
* attributes.
*/
const struct address_space_operations ntfs_normal_aops = {
- .readpage = ntfs_readpage,
+ .read_folio = ntfs_read_folio,
#ifdef NTFS_RW
.writepage = ntfs_writepage,
.dirty_folio = block_dirty_folio,
@@ -1666,7 +1668,7 @@ const struct address_space_operations ntfs_normal_aops = {
* ntfs_compressed_aops - address space operations for compressed inodes
*/
const struct address_space_operations ntfs_compressed_aops = {
- .readpage = ntfs_readpage,
+ .read_folio = ntfs_read_folio,
#ifdef NTFS_RW
.writepage = ntfs_writepage,
.dirty_folio = block_dirty_folio,
@@ -1681,7 +1683,7 @@ const struct address_space_operations ntfs_compressed_aops = {
* and attributes
*/
const struct address_space_operations ntfs_mst_aops = {
- .readpage = ntfs_readpage, /* Fill page with data. */
+ .read_folio = ntfs_read_folio, /* Fill page with data. */
#ifdef NTFS_RW
.writepage = ntfs_writepage, /* Write dirty page to disk. */
.dirty_folio = filemap_dirty_folio,
diff --git a/fs/ntfs/aops.h b/fs/ntfs/aops.h
index f0962d46bd67..934d5f79b9e7 100644
--- a/fs/ntfs/aops.h
+++ b/fs/ntfs/aops.h
@@ -37,9 +37,9 @@ static inline void ntfs_unmap_page(struct page *page)
* Read a page from the page cache of the address space @mapping at position
* @index, where @index is in units of PAGE_SIZE, and not in bytes.
*
- * If the page is not in memory it is loaded from disk first using the readpage
- * method defined in the address space operations of @mapping and the page is
- * added to the page cache of @mapping in the process.
+ * If the page is not in memory it is loaded from disk first using the
+ * read_folio method defined in the address space operations of @mapping
+ * and the page is added to the page cache of @mapping in the process.
*
* If the page belongs to an mst protected attribute and it is marked as such
* in its ntfs inode (NInoMstProtected()) the mst fixups are applied but no
diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c
index 2911c04a33e0..4de597a83b88 100644
--- a/fs/ntfs/attrib.c
+++ b/fs/ntfs/attrib.c
@@ -1719,7 +1719,7 @@ int ntfs_attr_make_non_resident(ntfs_inode *ni, const u32 data_size)
vi->i_blocks = ni->allocated_size >> 9;
write_unlock_irqrestore(&ni->size_lock, flags);
/*
- * This needs to be last since the address space operations ->readpage
+ * This needs to be last since the address space operations ->read_folio
* and ->writepage can run concurrently with us as they are not
* serialized on i_mutex. Note, we are not allowed to fail once we flip
* this switch, which is another reason to do this last.
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 2ae25e48a41a..e1392a9b8ceb 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -251,14 +251,14 @@ static int ntfs_attr_extend_initialized(ntfs_inode *ni, const s64 new_init_size)
*
* TODO: For sparse pages could optimize this workload by using
* the FsMisc / MiscFs page bit as a "PageIsSparse" bit. This
- * would be set in readpage for sparse pages and here we would
+ * would be set in read_folio for sparse pages and here we would
* not need to mark dirty any pages which have this bit set.
* The only caveat is that we have to clear the bit everywhere
* where we allocate any clusters that lie in the page or that
* contain the page.
*
* TODO: An even greater optimization would be for us to only
- * call readpage() on pages which are not in sparse regions as
+ * call read_folio() on pages which are not in sparse regions as
* determined from the runlist. This would greatly reduce the
* number of pages we read and make dirty in the case of sparse
* files.
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index efe0602b4e51..db0f1995aedd 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -1832,7 +1832,7 @@ int ntfs_read_inode_mount(struct inode *vi)
/* Need this to sanity check attribute list references to $MFT. */
vi->i_generation = ni->seq_no = le16_to_cpu(m->sequence_number);
- /* Provides readpage() for map_mft_record(). */
+ /* Provides read_folio() for map_mft_record(). */
vi->i_mapping->a_ops = &ntfs_mst_aops;
ctx = ntfs_attr_get_search_ctx(ni, m);
@@ -2503,7 +2503,7 @@ int ntfs_truncate(struct inode *vi)
* between the old data_size, i.e. old_size, and the new_size
* has not been zeroed. Fortunately, we do not need to zero it
* either since on one hand it will either already be zero due
- * to both readpage and writepage clearing partial page data
+ * to both read_folio and writepage clearing partial page data
* beyond i_size in which case there is nothing to do or in the
* case of the file being mmap()ped at the same time, POSIX
* specifies that the behaviour is unspecified thus we do not
diff --git a/fs/ntfs/mft.h b/fs/ntfs/mft.h
index 17bfefc30271..49c001af16ed 100644
--- a/fs/ntfs/mft.h
+++ b/fs/ntfs/mft.h
@@ -79,7 +79,7 @@ extern int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync);
* paths and via the page cache write back code paths or between writing
* neighbouring mft records residing in the same page.
*
- * Locking the page also serializes us against ->readpage() if the page is not
+ * Locking the page also serializes us against ->read_folio() if the page is not
* uptodate.
*
* On success, clean the mft record and return 0. On error, leave the mft
--
2.34.1
