OrangeFS launders its pages from a number of locations, so add a
small amount of folio usage to its callers where it makes sense.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
fs/orangefs/inode.c | 69 +++++++++++++++++++++++----------------------
1 file changed, 36 insertions(+), 33 deletions(-)
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 26f163b13b16..8a9bbbbdf406 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -243,7 +243,7 @@ static int orangefs_writepages(struct address_space *mapping,
return ret;
}
-static int orangefs_launder_page(struct page *);
+static int orangefs_launder_folio(struct folio *);
static void orangefs_readahead(struct readahead_control *rac)
{
@@ -290,14 +290,15 @@ static void orangefs_readahead(struct readahead_control *rac)
static int orangefs_readpage(struct file *file, struct page *page)
{
+ struct folio *folio = page_folio(page);
struct inode *inode = page->mapping->host;
struct iov_iter iter;
struct bio_vec bv;
ssize_t ret;
loff_t off; /* offset into this page */
- if (PageDirty(page))
- orangefs_launder_page(page);
+ if (folio_test_dirty(folio))
+ orangefs_launder_folio(folio);
off = page_offset(page);
bv.bv_page = page;
@@ -330,6 +331,7 @@ static int orangefs_write_begin(struct file *file,
void **fsdata)
{
struct orangefs_write_range *wr;
+ struct folio *folio;
struct page *page;
pgoff_t index;
int ret;
@@ -341,27 +343,28 @@ static int orangefs_write_begin(struct file *file,
return -ENOMEM;
*pagep = page;
+ folio = page_folio(page);
- if (PageDirty(page) && !PagePrivate(page)) {
+ if (folio_test_dirty(folio) && !folio_test_private(folio)) {
/*
* Should be impossible. If it happens, launder the page
* since we don't know what's dirty. This will WARN in
* orangefs_writepage_locked.
*/
- ret = orangefs_launder_page(page);
+ ret = orangefs_launder_folio(folio);
if (ret)
return ret;
}
- if (PagePrivate(page)) {
+ if (folio_test_private(folio)) {
struct orangefs_write_range *wr;
- wr = (struct orangefs_write_range *)page_private(page);
+ wr = folio_get_private(folio);
if (wr->pos + wr->len == pos &&
uid_eq(wr->uid, current_fsuid()) &&
gid_eq(wr->gid, current_fsgid())) {
wr->len += len;
goto okay;
} else {
- ret = orangefs_launder_page(page);
+ ret = orangefs_launder_folio(folio);
if (ret)
return ret;
}
@@ -375,7 +378,7 @@ static int orangefs_write_begin(struct file *file,
wr->len = len;
wr->uid = current_fsuid();
wr->gid = current_fsgid();
- attach_page_private(page, wr);
+ folio_attach_private(folio, wr);
okay:
return 0;
}
@@ -481,7 +484,7 @@ static void orangefs_invalidate_folio(struct folio *folio,
* Thus the following runs if wr was modified above.
*/
- orangefs_launder_page(&folio->page);
+ orangefs_launder_folio(folio);
}
static int orangefs_releasepage(struct page *page, gfp_t foo)
@@ -494,17 +497,17 @@ static void orangefs_freepage(struct page *page)
kfree(detach_page_private(page));
}
-static int orangefs_launder_page(struct page *page)
+static int orangefs_launder_folio(struct folio *folio)
{
int r = 0;
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0,
};
- wait_on_page_writeback(page);
- if (clear_page_dirty_for_io(page)) {
- r = orangefs_writepage_locked(page, &wbc);
- end_page_writeback(page);
+ folio_wait_writeback(folio);
+ if (folio_clear_dirty_for_io(folio)) {
+ r = orangefs_writepage_locked(&folio->page, &wbc);
+ folio_end_writeback(folio);
}
return r;
}
@@ -637,13 +640,13 @@ static const struct address_space_operations orangefs_address_operations = {
.invalidate_folio = orangefs_invalidate_folio,
.releasepage = orangefs_releasepage,
.freepage = orangefs_freepage,
- .launder_page = orangefs_launder_page,
+ .launder_folio = orangefs_launder_folio,
.direct_IO = orangefs_direct_IO,
};
vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf)
{
- struct page *page = vmf->page;
+ struct folio *folio = page_folio(vmf->page);
struct inode *inode = file_inode(vmf->vma->vm_file);
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
unsigned long *bitlock = &orangefs_inode->bitlock;
@@ -657,27 +660,27 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf)
goto out;
}
- lock_page(page);
- if (PageDirty(page) && !PagePrivate(page)) {
+ folio_lock(folio);
+ if (folio_test_dirty(folio) && !folio_test_private(folio)) {
/*
- * Should be impossible. If it happens, launder the page
+ * Should be impossible. If it happens, launder the folio
* since we don't know what's dirty. This will WARN in
* orangefs_writepage_locked.
*/
- if (orangefs_launder_page(page)) {
+ if (orangefs_launder_folio(folio)) {
ret = VM_FAULT_LOCKED|VM_FAULT_RETRY;
goto out;
}
}
- if (PagePrivate(page)) {
- wr = (struct orangefs_write_range *)page_private(page);
+ if (folio_test_private(folio)) {
+ wr = folio_get_private(folio);
if (uid_eq(wr->uid, current_fsuid()) &&
gid_eq(wr->gid, current_fsgid())) {
- wr->pos = page_offset(page);
+ wr->pos = page_offset(vmf->page);
wr->len = PAGE_SIZE;
goto okay;
} else {
- if (orangefs_launder_page(page)) {
+ if (orangefs_launder_folio(folio)) {
ret = VM_FAULT_LOCKED|VM_FAULT_RETRY;
goto out;
}
@@ -688,27 +691,27 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf)
ret = VM_FAULT_LOCKED|VM_FAULT_RETRY;
goto out;
}
- wr->pos = page_offset(page);
+ wr->pos = page_offset(vmf->page);
wr->len = PAGE_SIZE;
wr->uid = current_fsuid();
wr->gid = current_fsgid();
- attach_page_private(page, wr);
+ folio_attach_private(folio, wr);
okay:
file_update_time(vmf->vma->vm_file);
- if (page->mapping != inode->i_mapping) {
- unlock_page(page);
+ if (folio->mapping != inode->i_mapping) {
+ folio_unlock(folio);
ret = VM_FAULT_LOCKED|VM_FAULT_NOPAGE;
goto out;
}
/*
- * We mark the page dirty already here so that when freeze is in
+ * We mark the folio dirty already here so that when freeze is in
* progress, we are guaranteed that writeback during freezing will
- * see the dirty page and writeprotect it again.
+ * see the dirty folio and writeprotect it again.
*/
- set_page_dirty(page);
- wait_for_stable_page(page);
+ folio_mark_dirty(folio);
+ folio_wait_stable(folio);
ret = VM_FAULT_LOCKED;
out:
sb_end_pagefault(inode->i_sb);
--
2.34.1
