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fuse: convert fuse_page_mkwrite to use folios

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Convert this to grab the folio directly, and update all the helpers to
use the folio related functions.

Reviewed-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Josef Bacik 2024-09-30 09:45:12 -04:00 committed by Miklos Szeredi
parent 9bafbe7ae0
commit 184b6eb364
1 changed files with 15 additions and 5 deletions
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20
fs/fuse/file.c
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@ -483,6 +483,16 @@ static void fuse_wait_on_page_writeback(struct inode *inode, pgoff_t index)
wait_event(fi->page_waitq, !fuse_page_is_writeback(inode, index));
}
static void fuse_wait_on_folio_writeback(struct inode *inode,
struct folio *folio)
{
struct fuse_inode *fi = get_fuse_inode(inode);
pgoff_t last = folio_next_index(folio) - 1;
wait_event(fi->page_waitq,
!fuse_range_is_writeback(inode, folio_index(folio), last));
}
/*
* Wait for all pending writepages on the inode to finish.
*
@ -2558,17 +2568,17 @@ static void fuse_vma_close(struct vm_area_struct *vma)
*/
static vm_fault_t fuse_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);
file_update_time(vmf->vma->vm_file);
lock_page(page);
if (page->mapping != inode->i_mapping) {
unlock_page(page);
folio_lock(folio);
if (folio->mapping != inode->i_mapping) {
folio_unlock(folio);
return VM_FAULT_NOPAGE;
}
fuse_wait_on_page_writeback(inode, page->index);
fuse_wait_on_folio_writeback(inode, folio);
return VM_FAULT_LOCKED;
}